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Publication numberUS3596093 A
Publication typeGrant
Publication dateJul 27, 1971
Filing dateSep 12, 1968
Priority dateSep 12, 1968
Publication numberUS 3596093 A, US 3596093A, US-A-3596093, US3596093 A, US3596093A
InventorsWilliam D Boatman, Jerome M Short, Elden L Johnson Jr
Original AssigneeDymo Industries Inc
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Selective addressing machine for preparing a list of selected addresses from a group of master cards
US 3596093 A
Abstract  available in
Images(12)
Previous page
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Claims  available in
Description  (OCR text may contain errors)

United States Patent Appl. No. 759,533

Filed Sept. 12, I968 Patented July 27, 197] Assignee Dytno Industries, inc.

Emeryvllle, Calif.

SELECTIVE ADDRESSING MACHINE FOR PREPARING A LIST OF SELECTED ADDRESSES FROM A GROUP OF MASTER CARDS 38 Claims, 26 Drawing Figs.

52 11.5. CI 250/65, 101/47, 209/110, 250/219 [51] IIILCI -B30b15/30 [50) Field oIsfll'dl 250/651, 2|9 L; 101/47, 50, as; 209/l I0 [56] References Cited UNITED STATES PATENTS 2,838,175 6/1958 Lakeetal 209/110 2,995,240 8/1961 Cunningham el al.. 209/1 10 3,044,395 7/1962 Ackell et 101/65 3,259,330 7/1966 Baybick ct 3.1. 250/219 L 3,400,895 9/1968 C016 6181 250/219 L cmzo FT! HOLDlI-/ l I seasma chum awnucmq new uwrm 60 oe'reeron an s FOREIGN PATENTS 691,304 7/1964 Canada ABSTRACT: A machine for preparing a list of selected ad drems on an elongate master tape from a group of master cards each carrying a visible address and machine infonnation pertaining to the address, the machine having an imaging station, a mechanism for sequentially advancing each of the group of master cards to the imaging station, a mechanism for advancing the master tape in sequential fixed increments to the imaging station, imaging means at the imaging station, a device for sensing machine information on each advanced master card for selecting at least some of the master cards from the advancing master cards and operating the imaging means only when a selected master card is at the imaging station to establish upon the master tape an image of the address carried by the selected master card. Each selected master card is momentarily halted at the imaging station with the address carried thereby juxtaposed with a stationary increment of the master tape and the master tape is advanced from the imaging station after each operation of the imaging means. Also disclosed is a novel arrangement for the advancement of tape through the machine and a novel arrangement for the advancement and sorting of the cards passing through the machine.

CHRD TRHHSPORT MERNS s'ronaee COHNRTMENT APPLYING MEANS FIG. I.

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INVENTORS HTTORI SELECTIVE ADDRESSING MACHINE FOR PREPARING A LIST OF SELECTED ADDRESSES FROM A GROUP OF MASTER CARDS The present invention relates generally to addressing machines and pertains, more specifically, to an addressing machine in which a list of selected addresses is prepared on an elongate master tape from a group of master cards carrying machine information and visible addresses, the machine being capable of sensing the machine information on each card to determine whether or not the address carried by that card should appear on the tape.

The current increase in the number of mailings performed by various large scale mailing organizations such as publishers, mail order concerns and other large volume users of the mails, and the need for the development of lengthy, well-organized mailing lists from which specified addresses may be selected in accordance with any of a variety of common characteristics of such addresses has led to the requirement for more effective machines for composing lists of such specified addresses as well as printing such lists on items to be mailed. Thus, it would be advantageous to have available a machine which could prepare a list of addresses chosen from a larger group of addresses in accordance with common characteristics such as those pertaining to the names of addressees, occupations of addressees, geographical locations, and like data.

Addressing machines are currently available which accept lists of addresses printed on an elongate tape and which transfer such addresses onto envelopes or other mailing pieces, or onto mailing labels. Among that type of addressing machine are machines which accept a heat transfer tape hav ing addresses printed thereon of heat transferable material and which employ heat to transfer the addresses.

It is an important object of the invention to provide a machine which employs master cards carrying addresses and machine information pertaining to the addresses and utilizes the machine information to select a plurality of cards from those cards supplied to the machine and to create an image of the addresses carried by the selected cards on a master tape to establish a list of selected addremes on the tape. The master cards are preferably tab cards which are punched to establish machine information relating to the particular address carried by the card, and the address is in the form of a visible address appearing on a portion of the card.

Another object of the invention is to provide an exceptionally high speed machine for preparing a printed list of selected addresses for subsequent use in an addressing machine from a group of master address cards, each such card carrying a visible address and machine information pertaining to the address.

Still another object of the invention is to provide a machine for creating a list of selected addresses from a larger group of addresses, the list being provided on a heat transfer tape. Preferably, the address is printed on the tape in reverse image and is of a material capable of being directly imprinted onto envelopes or other mailing pieces or transferred to address labels.

A further object of the invention is to provide a machine of the type described above wherein the visible address of each master card is in the form of characters of infrared absorbing material and the card carries vaporizable material in the area of the characters, and wherein the master tape is transparent to infrared radiation so that a latent image of the address car ried on a selected card may be created upon the tape by exposing juxtaposed areas of the card and the tape to infrared radiation and vaporizing some of the vaporizable material to deposit such vaporized material upon the tape surface and wherein a toner is subsequently applied to the material in the latent image to establish a visible image on the tape.

A still further object of the invention is to provide a machine of the type described above and which utilizes master cards of the type compatible with current electronic data processing equipment employing punched tab cards of known configuration. i

Another object of the invention is to provide tape handling systems for incrementally advancing the master tape through the machine, accurately locating the increments of advanced tape with respect to various stations in the machine and col lecting the completed tape, and for accomplishing such handling without excessive stresses placed on the tape, in deference to the relatively delicate nature of the master tape.

Still another object of the invention is to provide a machine of the type described above in which the maximum speed of processing every card of the entire group of master cards, from which are selected only a plurality of cards whose addresses are to be printed on the master tape, is not limited by the speed at which each selected card can be processed. Thus, although the rate of advance of the cards passing through the machine must be slowed each time an address is extracted from a selected card, the rate of advance is not slowed when no address is extracted, thereby increasing the overall speed of processing the entire group of cards.

A further object of the invention is to provide a mechanism for sorting the cards as the cards are advanced through the machine.

A still further object of the invention is to provide a card transport mechanism which allows easy, selective access to the path of travel of the cards as they pass through the machine, ease in removing any cards which may become jammed within the card transport mechanism and for ease of maintenance.

The above objects, as well as further objects and advantages, are attained by the invention which may be described briefly as a machine for preparing a list of selected addresses on an elongate master tape from a group of master cards, each carrying a visible address and machine information pertaining to the address, a selected plurality of which master cards carry the selected addresses, the machine comprising a frame, means for holding the group of master cards, means for holding a supply of master tape, an imaging station on the frame, means on the frame for sequentially advancing each of the group of master cards along a path of travel from the master card holding means to the imaging station, means on the frame for advancing the master tape from the master tape supply to the imaging station, the master tape advancing means including intermittent tape feed means for sequentially providing stationary fixed increments of the master tape at the imaging station, imaging means at the imaging station, sensing means on the frame at a sensing station for sensing the machine information carried by each advanced master card, selector means on the frame and responsive to the sensing means for determining when each one of the plurality of selected master cards is at the sensing station, means on the frame and operated in timed relationship with the travel of the master cards for momentarily halting at least each selected master card in a prescribed position at the imaging station with the address carried thereby juxtaposed with a stationary increment of the master tape at the imaging station, means responsive to the travel of the one selected master card along the path of travel and operated in timed relationship with the master card halting means for operating the imaging means and the intermittent tape feed means only when the one selected master card is in the prescribed position to establish upon the juxtaposed increment of master tape an image of the address carried by the selected master card and for operating the intermittent feed means to advance the master tape relative to the imaging station through one complete fixed increment for each such operation of the imaging means. The image established upon the master tape by the imaging means is a latent image and the machine includes means for subsequently converting the latent images so established into a visible list of selected addresses upon the master tape. the address carried by each master card is comprised of characters of infrared absorbing material and the master card carries vaporizable material in the area of the characters, the master tape is transparent to infrared radiation, the imaging means includes a source of infrared radiation, each halted master card is juxtaposed with the increment of master tape at the imaging station such that the increment of master tape lies between at least the portion of the master card carrying the address and the source of infrared radiation with the characters of the address facing the master tape, the means for operating the imaging means operates the source of infrared radiation to vaporize from the master card a portion of the vaporizable material from areas corresponding to the characters of the address and to deposit the vaporized material onto the surface of the juxtaposed increment of master tape to establish the latent image, and the means for converting the latent images to a visible list of selected addresses includes means on the frame for applying a toner to the surface of the master tape so as to adhere toner to the vaporizable material deposited thereon in areas corresponding to the characters of the addresses, and means for advancing the master tape through the toner applying means. The machine further includes means for fusing the toner while in place upon the master tape.

The invention will be more fully understood, and still further objects and advantages will be related in the following detailed description of an embodiment of the invention illustrated in the accompanying drawing, in which;

FIG. I is a plan view of a machine constructed in ac cordance with the invention;

FIG. 2 is a front elevational view of the machine;

FIG. 3 is a rear elevational view of the machine;

FIG. 4 is a plan view of a master card employed in the machine;

FIG. 5 is a plan view of a portion of the master tape employed in the machine;

FIG. 6 is a diagrammatic view illustrating the path of travel of master cards and master tape through the machine;

FIG. 7 is a diagrammatic pictorial view of a master card jux taposed with a portion of the master tape at the imaging station of the machine;

FIG 8 is an enlarged plan view of a portion of the machine at the imaging station;

FIG. 9 is an enlarged sectional view taken along line 9-9 of FIG. 8;

FIG. I0 is an enlarged plan view of a portion of the master tape advancing mechanism of the machine;

FIG. 11 is a further enlarged cross-sectional view of a portion of the master tape advancing mechanism;

FIG. 12 is a cross-sectional view taken along line 12-12 of FIG. I];

FIG. 13 is an enlarged elevational view of the tape punching mechanism of the machine;

FIG. I4 is an enlarged end view, partially sectioned, illus trating the toner applying mechanism ofthe machine;

FIG. 15 is a front elevational view, partially sectioned, of the toner supply;

FIG. 16 is an end elevational view of a brake mechanism for the master tape;

FIG. 17 is a cross-sectional view taken along line 17-17 of FIG. 16;

FIG. I8 is an enlarged elevations] view, partially sectioned, of a takeup mechanism for the master tape;

FIG. I9 is a cross-sectional view taken along line I9-I9 of FIG. III;

FIG. 20 is an enlarged plan view of the master card feed mechanism of the machine;

FIG. 21 is an end elevational vie of the card feed mechanism;

FIG. 22 is a front elcvational view of the card feed mechanism;

FIG. 23 is an enlarged front elevational view of a portion of the transport mechanism for the master card;

FIG. 24 is an enlarged front elevational view, partially diagrammatic, of a sorting mechanism for the master cards;

FIG. 25 is a fragmentary cross-sectional view taken along line 25-25 of FIG. 24; and

FIG. 26 is a schematic diagram illustrating the timing of the machine.

Referring now to the drawing, and especially to FIGS. 1 through 5, a machine constructed in accordance with the invention is shown at 10 and has a frame 12. An operating panel I4 having a plurality of pushbutton operating controls 16 is mounted upon the frame at the front of the machine and a data display console I8 having a plurality of counting display devices 20 is mounted above and toward the rear of the frame.

It is the principal function of machine 10 to accept a group of master cards each of which carries an address and machine information pertaining to various characteristics of the address. One such card is illustrated in FIG. 4 and is shown in the form of a tab card 22 which carries on the face 23 thereof a visible address 24 which, in this instance, has been printed upon a portion 26 of the card and machine information in the form of punched holes 28, the punched holes 28 being located upon the card at predetermined positions in coded arrangement so as to supply information pertaining to the address in a now well-known manner. The machine information could pertain to the name of the addressee, the principal occupation of the addressee, the various elements of the geographical address or any other information which would serve to classify the visible address in one category or another. The group of master cards is advanced sequentially through the machine so that the machine may select a plurality of individual cards and print the address appearing on each of the selected cards upon a master tape, such as tape 30 illustrated in FIG. 5. Thus, the machine 10 will compose a list of selected addresses and the addresses will be placed in sequential arrangement upon a surface 32 of the tape as illustrated by addresses 34.

The selection of a particular card and the corresponding address appearing thereon is done on the basis of the particular machine infonnation carried by the card. For example, the machine may be set up or programmed to choose cards carrying addresses in only one particular geographical area, in which case the machine will select, from a group of master cards carrying addresses in a multitude of geographical areas, only the pertinent cards and the list of addresses established upon the tape will be only those addresses from the chosen geographical area. Likewise, the machine may be set up to choose cards based upon any of the other characteristics of the addressee or the geographical address which appear in the machine information carried by the card.

At the lefi end of the machine, as seen in FIGS. 1 and 2, there is provided means for holding the group of master cards and these means are shown in the form of a hopper 40 which will support a stack of cards 42 upon the platform 44 of a card feed mechanism 46. The cards are then sequentially advanced from the stack by card advancing means which include the card feed mechanism 46 and a card transport mechanism 48 which extends along the length of the path of travel of the cards through the machine, the path of travel of the cards ex tending from the hopper 40 adjacent the left end 50 of the machine to collecting means including a storage compartment 52 adjacent the right end 54 of the machine where the cards are collected and stored pending their removal from the machine.

As best seen in FIG. 2, a supply of master tape is held within the machine by means including a supply reel 60 mounted for rotation upon a spindle 62 which is affixed to the frame 12 of the machine. The tape 30 follows a path of travel through the machine and is eventually brought to a takeup mechanism 64 at the tape storage means where the tape is wound onto a takeup reel 66 mounted for rotation upon the frame 12 adjacent the right end 54 of the machine where the tape 30 will await removal from the machine.

As best seen in FIG. 6, as well as in FIGS. 1 through 3, the path of travel of the cards 22 overlaps the path of travel of the tape 30 at an imaging station 70 located between the ends of the machine so that at least the portion 26 of each card upon which the address 24 appears is juxtaposed with a portion or increment 72 of the tape at imaging means located at the imaging station 70 as the cards and the tape are advanced through the machine. Each of the cards 22 is momentarily halted in a prescribed position at the imaging station 70 with the address carried thereon juxtaposed with a stationary increment '72 of the tape in a manner which will be explained hereinafter.

Sensing means are provided along the path of travel of the cards at a sensing station 80 located between the card feed mechanism 46 and the imaging station '70 for sensing the machine information on each advanced master card, the sensing means being shown in the form of a photocell card reader assembly 82 which detects the presence or absence ofa punched hole or punched holes at a particular location or locations in the cardv Selector means are provided which are responsive to the sensing means as will be explained in greater detail below for selecting only those cards from which an address will be extracted and for operating the imaging means only when such a selected card is in the prescribed position at the imaging station to establish upon each juxtaposed stationary increment 72 of master tape an image of the address carried by each selected card.

The tape 30 is advanced by means on the frame which include an intermittent feed means shown in the form of a feed drum 88 which is operated each time the imaging means is operated to advance the tape relative to the imaging station 70 through one complete fixed increment for each such operation of the imaging means. The card advancing means and the intermittent tape feed means are engageable with a drive means which includes a main drive motor 90 mounted upon the frame 12 (see FIG. 3). The means which achieve the card selection, the operation of the imaging means, and the operation of the intermittent feed means will be more fully described below.

The imaging station 70, shown in FIGS. 1 through 3 and 6, is illustrated in greater detail in F108. 7, B and 9 wherein it is seen that the imaging means comprises a source of infrared radiation shown in the form of a flash lamp assembly 92 in which flash lamps 94 are mounted below a platen 95 having a transparent window 96 and above a cooling duct 98 in the flash lamp assembly housing 100 over which the tape 30 and the cards 22 are made to travel. Each card 22 is halted momentarily in the prescribed position at the imaging station 70 by a pair of stop fingers 102 carried by arms 104 which are mounted for rocking movement in an up and down direction so that the stop fingers 102 may alternately be brought into and out of the path of travel of the cards 22.

As best seen in F168. 8 and 9, each arm 104 is affixed to a pin 106 which is mounted for rocking motion with respect to a frame portion 108 and a helical spring 110 (also see FIG. 3) couples one of the arms 104 with a drive pin 112 carried by a drive arm 114 such that both arms 104 are driven in an upward and downward direction out of and into the path of travel of the cards. The arrangement of the drive pin 112 and the helical spring 110 in coupling the drive arm 114 to an arm 104 allows adjustment of the location of the arms 104 relative to the drive arm 114 by adjustment of the drive pin 112 and thereby permits accurate location of the stop fingers 102 with respect to the path of the oncoming cards 22. The arms are driven upwardly and downwardly in timed relationship with the travel of the cards by the drive pin 112 which is mounted upon the drive arm 114, the drive arm 114 being carried by a rod 116 mounted for pivotal movement upon the same frame portion 108 and being normally resiliently biased in a downward direction by a further helical spring 118 connected thereto at one end thereof. The drive arm 114 carries at the other end thereof a cam follower 120 which follows a cam 122 mounted for rotation with a transverse drive shaft 124 which is coupled with the main drive means by a timing chain 125 (see FIG. 1) so as to rotate in timed relationship with the advance of the cards. Thus it will be seen that upon rotation of the transverse drive shaft 124 the drive arm 114 will be periodically lowered enabling the drive pin 112 to push against the corresponding arm 104 and urge the arms 104 and the corresponding stop fingers 102 downwardly to momentarily halt each card as the card arrives at-the imaging station 70.

At the same time, another cam 126, which is also mounted upon the transverse drive shaft 124, raises a follower 128 carried by a rocker arm 130 at one end thereof which is also mounted on the frame portion 108 at 132 for pivotal move ment relative thereto to lower a roller 134 mounted at the other end of the rocker arm 130, the roller 134 engaging an axially adjustable cap 136 fixed to a plunger 138 at one end thereof to lower the plunger 138 which is slideably received in a plunger housing 140 also affixed to frame portion 108 and to lower a pressure pad assembly 142 affixed to the other end of the plunger 138 so that a pressure pad 143 of the assembly 142 wiil press the address-carrying portion 26 of the card 22 downwardly against the tape 30 and will press both the card and the tape against the platen 95 and window 96 of housing 100. The plunger 138 is resiliently biased upwardly by a helical spring 144 extending between a shoulder 146 on the plunger and a part of the plunger housing 140 so that when the roller 134 carried by the rocker arm 130 is rocked upwardly, the plunger 138 will move upwardly and release the pressure of the pressure pad 143 on the card. Since the cards 22 are halted for only a very short duration, tine adjustments in the axial distance which must be traversed by the plunger and in the pressure exerted by the pressure pad upon the card may be made by moving the cap 136 axially with respect to the plunger 138 and the cap may be locked in place by a setscrew 148. The pressure pad 143 is preferably fabricated of a resiliently deformable material such as an elastomer so that intimate contact between the card and the tape is assured.

1n the illustrated embodiment of the invention, the cards 22 are formed of porous tab card stock impregnated with a sensitiaer which is vaporizable at approximately I00 C. to C. and the address which appears on the one face 23 thereof is printed in infrared absorbing ink, although the address may be handwritten, stenciled or formed in any other way which will produce the necessary contrast between the address charac ters and the background. The tape has a nonporous oleophobic surface having resin release characteristics and is trans parent to infrared radiation so that when the card is pressed against the tape at the platen 95 with the address-carrying face of the card contiguous with the tape and the source of infrared radiation is activated by flashing the flash lamps 94, infrared radiation passes through the window 96 and the tape 30 and heats the areas of the card corresponding to the characters of the address to vaporize from the master card a portion of the vaporizable material which lies in the areas corresponding to the characters of the address. The material which is thus vaporized from the card is deposited onto the surface 32 of the juxtaposed increment 72 of master tape to establish a latent image.

Returning now to FIG. 6, it will be seen that the latent images thus established upon the tape are converted to visible images constituting a visible list of selected addresses by ap' plying a toner to the surface 32 of the tape which carries the latent image of vaporizable material which has been deposited on that surface in areas corresponding to the characters of the addresses. The tape is passed through a toner applicator means in a manner which will be described in greater detail hereinafter and the toner is made to adhere to the vaporizable material deposited on the surface of the tape in areas corresponding to the characters of the addresses. The method by which the latent image is formed, the construction of the cards and the tape, and the composition and application of the toner are all described more fully in an application of Ronald I. Morley et al. filed in the U.S. Patent Office on June 5, 1967, and bearing Ser. No. 643,718.

It is important that the master tape be advanced past the imaging station in precisely delineated fixed increments of advancement so that these fixed increments will be accurately registered with respect to the imaging means and the address carried by each card which is. at the prescribed position in the imaging station. Thus, an intermittent feed mechanism must be provided which will accurately feed the tape across the imaging means. In addition, the tape is relatively delicate and must be handled without the placement of undue stress upon the tape which might cause tearing of the tape resulting in either complete severance of the tape or mutilation of the tape which could impede accurate advancement. The machine of the invention therefore provides a tape handling system which will accomplish the advancement of the tape through the various portions or stations of the machine in an accurate yet delicate fashion. Referring now to FIGS. 6, 10, I1, and 12, as well as to FIGS. 1 through 3, the feed drum 88 of the intermittent feed means is seen to carry a plurality of teeth 150 spaced equidistant from one another around the periphery of the surface I52 of the drum 88. These teeth I50 are arranged to engage corresponding apertures 154 in the tape 30 (see FIGS. 5 and 7) so that as the drum 88 rotates through an increment corresponding to an increment of advancement of the tape, the tape is positively engaged and advanced without slippage between the drum surface and the tape. In order to preclude any tearing of the tape by the teeth I50 in the vicinity of the apertures 154 which might occur if there were a tendency for the tape to slip relative to the surface of the feed drum, and in order to assure intimate contact between the tape and the feed drum surface and thereby attain accurately fixed increments of advancement of the tape, the feed drum I8 is mounted for rotation upon an arbor I56 which is affixed to the frame [2 of the machine by machine screws 158 as seen in FIG. II. The arbor [$6 is provided with a manifold I60 having an external connection point [62 through conduit I63 and extending over a circumferential portion 164 of the arbor corresponding approximately to the circumferential portion of the drum surface 152 against which the tape 30 must be intimately held. A plurality of passage 166 are circumferentially located between the teeth [50 of the drum 88 and pass radially through the drum so as to communicate with the manifold 160 as the portion of the drum carrying such passages passes over the manifold. A presure below atmospheric pressure is maintained within the manifold [60 by means of a vacuum pump I68 (see FIG. I) connected to the connection point I62 by a vacuum line 170 so that atmospheric pressure will press the tape against the surface of the feed drum in the vicinity of those p which communicate with the manifold.

The feed drum 88 is affixed to a drive spindle 172 which, in turn, is mounted for rotation within a bracket [74 affixed to the frame 12 of the machine. Means are provided for intermit' tently rotating the drive spindle 172 and the drum 88 and are shown to be in the form of a drive shaft 176 driven by a drive pulley 178 which, in turn, is engaged by a drive belt 179 that is driven by the main drive mechanism of the machine. An intermittent tape drive mechanism includes the drive shaft 176 which carries a crank 180 which engages a Geneva wheel 182 mounted for rotation within a housing 183 such that the Geneva wheel 182 is rotated intermittently by the continuous rotation of the drive shaft 176. An electrically operated clutch 184 releaseably engages the tape drive mechanism by engaging the Geneva wheel I82 with the drive spindle 172 and the drive spindle carries a grooved detent wheel 186 having a number of grooves 188 corresponding to the number of slots (not shown) in the Geneva wheel I82 and with the number of increments of intermittent rotation into which one revolution of the feed drum 88 is divided (in this instance the number being eight). A detent I90 is carried by an arm I91 pivoted on the bracket I72 and is resiliently urged into the grooves I88 in the detent wheel I so that the drive spindle 172 is positively retained stationary during each dwell in the rotation of the Geneva wheel. Thus, operation of die clutch 184 to engage the Geneva wheel with the drive spindle will rotate the feed drum to feed fixed increments of tape across the imaging station.

In order to preclude any deleterious resistence to advancement of the tape 30 by the feed drum 88, the path of travel of the tape is made to follow a loop prior to the imaging station 70 so that all tape fed by the intermittent feed means is supplied to the intermittent feed means from a supply loop 200 (see FIGS. 2 and 6). The supply loop 200 is, in turn, supplied with tape by another portion of the tape advancing means which is shown in the form of a tape feed wheel 202 mounted for rotation upon the frame l2 and driven by an electric drive motor 204 (see FIG. 3) which may be operated completely independently of the operation of the main drive motor which drives the feed drum 88 of the intermittent feed means. The length of tape 30 within the supply loop 200 is regulated by sensing means shown in the form of a first photocell 206 and a corresponding lamp 208, and a second photocell 210 and a corresponding lamp 212, each mounted upon the frame 12 such that the beam of light passing from each lamp to each corresponding photocell is aimed at an angle to the plane of the paper so that the photocells will not be contacted by the tape 30. As the feed drum 88 draws tape from the storage loop 200 the loop will become shortened until the beam of light between the first photocell 206 and its corresponding lamp 208 is interrupted by the tape 30 (which will not transmit the beam of light) as seen at 214 in FIG. 6. Such an interruption of the light beam at 214 will actuate the drive motor 204 and rotate the feed wheel 202 until a sufficient length of tape is fed into the storage loop 200 to return the loop to its maximum length wherein the tape will interrupt the beam of light between the second photocell 210 and its corresponding lamp 212 as seen at 216, whereby the drive motor 204 will be stopped. Thus, each time the supply loop 200 is depleted by the feed drum 88, the loop 200 will be replenished by rotation of the feed wheel 202.

The feed wheel 202 is also provided with eight teeth 218 engaging the corresponding apertures 154 in the tape 30. These apertures I54 are formed by a punch mechanism 220 which is actuated by the same drive motor 204 as the feed wheel 202 so that as the feed wheel 202 advances tape into the supply loop 200 the tape will also be drawn across the punch mechanism 220 and the apertures I54 will be punched at accurately spaced intervals in the tape.

As best seen in FIG. IS, the punch mechanism 220 includes a die 222 over which the tape 30 is drawn and a reciprocating punch 224 driven by a crank arm 226 which is rocked by a cam 228 affixed to a shafl 230 which is rotated by a drive belt 232 (see FIG. 3) that is in driving connection with a belt drive assembly 234 driven by the drive motor 204 through drive belt 235. The feed wheel 202 must advance the tape intermittently in order to allow the punch mechanism to punch the tape when the tape is stationary and also advance the tape in accu rately defined increments in order to assure that the punch mechanism accurately spaces the punched apertures. Thus, the feed wheel 202 is driven by an eight-point Geneva drive 236 (similar to that which drives feed drum 88) and which is driven by a drive belt 238 and drives the feed wheel 202 through a drive belt 239. Hence, the tape is made to follow a path which includes another loop, the loop being located between the punch mechanism 220 and the tape supply reel 60 so that the tape being drawn across the punch mechanism by the feed wheel 202 will be advanced from a tape supply loop 240 and will not meet with deleterious resistance. The length of the tape supply loop 240 is regulated by sensing means shown in the form of a first photocell 242 and a corresponding lamp 244 and a second photocell 246 and a corresponding lamp 240. As the tape is drawn from the supply loop 240 the loop will become shorter until, eventually, the loop will pass beyond the beam of light proiected by the lamp 244 and the photocell 242 will actuate a feed roll 250 against which the tape 30 is urged by an idler roll 252 so that tape will be drawn from the tape supply reel 60 and fed to the supply loop 240 until the length of the loop once again allows the tape to interrupt the beam of light between the photocell 246 and the corresponding lamp 248 and rotation of the feed roll 250 will be stopped. Thus, when a prescribed length of tape is exhausted from the supply loop 240 the depleted supply loop will be replenished by the feed roll 250. A further photocell 254 and corresponding lamp 256 are provided above the first photocell 242 and lamp 244 and are located far enough above the photocell 242 and lamp 244 so that the beam of light between the photocell 254 and lamp 256 would ordinarily always be interrupted by the tape; however, should the tape supply reel 60 be depleted so that the tape feed roll 250 can no longer replenish the supply loop 240, the loop will be shortened to a point above the light beam projected between lamp 256 and photocell 254. The photocell 254 will then sense that there is insufficient tape to continue the operation of the machine and the machine will be stopped.

Referring now to FIGS. 6, l4, l5, l6 and I7, as well as to FIGS. 1 through 3, the tape 30 is passed from the feed drum 88 of the intermittent feed means into a tape storage loop 260 which lies above the toner applying means and which serves to collect a predetermined length of tape prior to the tape being processed in the toner applying means. The path of travel of the tape thus follows a further loop so that the feed drum 88 of the intermittent feed means is actually isolated between two free tape loops 200 and 260 and the tape which is being advanced by the tape feed drum 88 is not subjected to harmful stresses in portions of the path of travel lying at either side of the tape feed drum which might affect the accurate registration of the tape with respect to the feed drum and the imaging station. The tape is drawn from the storage loop 260 through the toner applying means by another tape feed wheel 262 which is driven by an independent motor 263 and a belt 265 and is intermittently actuated in response to the length of tape in the tape storage loop 260. Thus, a first photocell 264 and corresponding lamp 266 are provided adjacent the lower end of the loop 260 while a second photocell 268 and corresponding lamp 269 are located adjacent the uppermost limit of the loop. When the loop 260 attains the prescribed maximum length, the beam of light between the first photocell 264 and its corresponding lamp 266 is interrupted thereby turning on motor 263 and causing actuation of the tape feed wheel 262 to draw the tape from the loop 260 and through the toner applying means. Upon reaching the upper limit of the loop 260, the tape 30 will interrupt the beam of light between the second photocell 268 and its corresponding lamp 269 to turn off motor 263 and the tape feed wheel 262 will be stopped. The first and second photocells and their corresponding lamps are located such that the beams of light make an angle with the plane of the paper to enable the tape to pass the photocells without contacting the photocells.

Turning now to FIGS. 14 and 15, the toner applying means is seen to include a toner box 270 mounted upon the frame 12 of the machine and providing a chamber 271 having therein a tape guide 272 about which the tape 30 is passed. A volume of toner 273, which is in the form of powdered or particulate material, is maintained in the chamber 271 such that the level of toner 273 will always be above the tape 30 as it passes around the tape guide 272. Located below the tape guide is an agitator 274 which is rotated by a motor 275 and a drive belt 276 in order to keep the toner 273 in proper position and condition to assure that the tape is always immersed in the toner for a length of time sufficient to allow the toner to adhere to the material which makes up the latent image carried by the tape. it is noted that the surface 32 of the tape which carries the latent image faces downwardly as it passes over the tape guide 272. As the tape emerges from the toner, but before the tape leaves the toner chamber 27l, a small beater 277 (see FIG. 2), which is rotated by a beater motor 278 (see FIG. 14) through a drive belt 279 and a drive shaft 280, gently beats the opposite surface of the tape to shake excess toner from the tape.

In order to maintain the proper supply of toner in the toner chamber 27], a toner supply hopper 281 is located above the toner box 270 and communicates with the toner chamber through a gate 282 which is mounted for rotation at the bottom of the hopper 281 and which is normally rotated during advancement of the tape 30 through chamber 27 I by a metering motor 283 through a gear assembly 284, a drive chain 285 .and a drive shaft 286 which enters the hopper 281 at the bottom thereof. Such rotation of the gate 282 will also advance an endless conveyorlike belt 287 which is immersed in the toner held in the hopper 281 and which serves to agitate and facilitate the feeding of accurately metered amounts of toner through the gate 282 to the chamber 271. The gate 282 may also selectively be rotated manually by means of a knob 288. The supply of toner within the hopper 28] is replenished by merely removing a lid 289 at the top of the hopper and pouring in a fresh supply of toner.

The toner box 270 has a top 290 which is affixed to the frame 12 by a bracket 29! and which also supports the hopper 28!, and a housing 292 which is mounted for vertical sliding movement within a vertical slot 293 by means of a holder assembly 294 which includes rollers 295. The housing 292 is held in place by a latch 296 (see FIG. 3) which may be released by actuating a lever assembly 297 (see FIGS. 2 and 3) to move connecting rods 298 to displace the latch 296 out of engagement with the holder assembly 294 and allow the housing 292 to be lowered or even completely removed from frame 12 for inspection of maintenance. An access door 299 is provided in the front face of the housing 292 and may be opened for periodic service and observation of the operation of the toner box 270 while the housing is in place against the top 290.

The tape 30 with the powdered toner adhered to the material of the latent image then leaves the toner chamber 27 l and enters another housing 300 wherein the tape is exposed to another source of infrared radiation in the form of a lamp (not shown) which is activated to heat the powdered toner carried by the material of the latent image and fuse the toner while in place upon the tape to establish integral bodies of toner, rather than particulate conglomerates, in the form of characters adhered to the master tape, the characters corresponding to the characters of the visible addresses carried by the selected master cards, but in reverse image.

It will be seen that by the intermittent operation of the toner applying means attained through the employment of the storage loop 260 and sensing means responsive to the condition of the storage loop to operate the feed wheel 262, the tape is processed through the toner applying means only as required and the second source of infrared radiation within housing 300 need only operate intermittently so that any excessive buildup of heat within the machine which might arise from continuous operation of the second source of infrared radiation is precluded.

Because there is a certain amount of inertia in the tape as the tape is advanced from the supply loop 260 to the toner ap plying means, it has been found advantageous to provide a firm but gentle braking means between the supply loop and the means which advances the tape through the toner applying means. Such braking means are found between the supply loop 260 and the toner applying means in FIGS. 2 and 6 and are shown in greater detail in FIGS. 16 and 17. The braking means comprise an arbor 302 affixed to the frame 12 of the machine 10 and having an outer surface 304 over which the tape 30 is passed. The arbor 302 is provided with an internal chamber 306 having an external connection point 308 and a plurality of passages 310 extending radially between the portion of the surface 304 contacted by the tape and the internal chamber 306. The vacuum pump 168 (see FIG. 1) is con nected to the external connection point 308 by a length of tubing 312 so that the pressure within the chamber 306 is maintained below atmospheric pressure and the tape will be gently pressed against the arbor surface 304. Such a gentle pressure will establish a small amount of frictional drag upon the tape to assure that the desired length of tape will be fed from the feed drum 88 into the storage loop 260 rather than spilling over the arbor 302 toward the toner applying means which might otherwise occur by virtue of the weight of the length of tape between the arbor and the toner applying means. In addition, the frictional drag will establish a small amount of tension within the tape lying beyond the arbor 304, which tension is of some advantage as the tape is passed through the toner applying means.

Referring now to FIGS. 2, 6, l8, and 19, the tape 30 with the list of visible addresses now established on the surface thereof in the form of characters of toner material which has been fused, continues along a path of travel over further roller guides 314 and 316 affixed to the frame 12 of the machine to arrive at the tape storage means. As the tape follows this segment of the path of travel, the fused toner material cools so as to establish integral characters of toner material adhered to the surface 32 of the tape 30. The tape storage means maintains a gentle tension in the tape so that the tape will not deviate from its prescribed path of travel and will be properly rolled up onto the tape talteup reel 66, but does so without placing excessive tension upon the tape. Thus, the talteup reel 66 is affixed to a spindle 320 which is mounted for rotation upon a subframe 321 affixed to the frame 12 of the machine 10 by a separate electric takeup motor assembly 322 which engages the spindle 320 through a drive belt 324. A takeup roll 326 is mounted for rotation upon a takeup spindle 328 which, in turn, is carried at one end 329 ofa takeup arm 330 which is mounted upon the subframe 321 for swinging movement at the other end 332 thereof between a first position wherein the takeup spindle 328 is located at the lower end 333 of a slot 334 in the subframe and the takeup roll 326 is located between roller guide 316 and a further roller guide 335 mounted upon the subframe 321, and a second position wherein the takeup spindle 328 is located adjacent the upper end 336 of the slot 334. The takeup arm 330 is resiliently biased toward the second position by means of a helical spring 338 extending between the takeup arm 330 and the frame 12 of the machine 10 (see FIG. 3). Thus, as the tape 30 traverses the path of travel from the feed wheel 262, the takeup roll 326 will draw the tape upwardly from between the roller guides 316 and 335 to form an upwardly extending loop 340. When a sufficient length of tape has been accumulated in the loop 340 to allow the takeup spindle 328 to actuate an electric switch 342 located adjacent the uppermost end 336 of the slot 334, the electric switch 342 will turn on the electric takeup motor assembly 322 thereby rotating the takeup reel 66 and drawing the tape 30 from the accumulated loop 340 against the bias of the helical spring 338 to simultaneously deplete the loop 340 and draw the takeup arm 330 downwardly toward the lowermost end 333 of the slot 334. Upon arrival of the takeup spindle 328 adjacent the lowermost end 333 of the slot 334 the takeup spindle 328 will actuate a second electric switch 344 which will then turn off the takeup motor assembly 322 and allow the takeup arm 330 to again start its upward travel. Thus, the tension within the tape may be regulated by the bias of the helical spring 338 and may be held to a minimum concomitant with proper storage of the tape 30 on the takeup reel 66. When all of the cards have been processed and all of the tape rolled up onto the takeup reel, the takeup reel may be removed from the machine by removal of retainer 346 from spindle 320 with the desired list of selected addresses now appearing in reverse image upon a surface of the tape in the form of characters of fusible material which may be subsequently heated for transfer from the tape to an envelope or some other mailing piece, or to a mailing label.

Turning now to FIGS. 20, 21 and 22, as well as FIGS. l, 2, and 3, the card feed mechanism 46 is shown in greater detail and is seen to include a subframe 350 upon which is mounted a transverse shaft 352. A pair of pusher fingers 354 is carried by the transverse shaft 352, each finger 354 being affixed adjacent to one end thereof to the transverse shaft for movement therewith and carrying at the other end thereof a picker member 356 which includes a flat platform 358 and a raised shoulder 360 rising from the platform 358 adjacent the rear end of the platform. A card drive means is shown in the form of a drive shaft 362 mounted for rocking motion upon the subframe 350 and selectively coupled to the transverse shaft 352 by means of an electrically operated pusher clutch 364. The drive shaft 362 is continuously rocked to and fro or oscillated by a drive arm 366 affixed thereto and carrying a cam follower 368 at one end thereof which is urged into driving engagement with a cam 370 by means of a helical spring 372 affixed between the other end of the drive arm 366 and the subframe 350. The cam 370 is affixed to a timing shaft 374 which is continuously rotated by the main drive motor 90 of the machine 10 through a drive chain 376 (see FIG. 1). Thus, when the machine 10 is operating and when there is a supply of master cards 22 stacked within the hopper 40 with the trailing edge of the lowermost card in the stack 42 resting upon the platforms 358 of the picker members 356, the clutch 364 can engage the transverse shaft 352 with the drive shaft 362 such that the drive shaft will rock the transverse shaft in a clockwise direction as seen in FIG. 22 against the bias of a spring 380 which extends between an arm 382 carried by the transverse shaft and the subframe 350 and which is urged into engagement with a stop 354 mounted upon the subframe and thereby move the fingers 354 forward such that the shoulders 360 of the picker members 356 will engage the trailing edge of the lowermost card in the stack and push the card forward. At the same time, a pair of tamping fingers 386 which are also fixed to the transverse shaft 352 for movement therewith will engage the trailing edges of some of the cards lying above the lowermost card and will align these cards within the stack so that the next card will be in position to be advanced by the picker members 356. It is noted that each shoulder 360 is raised from the corresponding platform 358 a distance equal to no more than the thickness of a single card to assure that only the lowermost card is advanced for each cycle of operation of the card feed mechanism.

As the lowermost card is advanced the leading edge thereof will be brought into a plurality of nips established between feed rolls 390 carried by a feed shaft 392 and idler rolls 394 cooperating with the feed rolls 390. The feed shaft 392 is also mounted for rotation upon the subframe 350 and is continuously rotated by rotation of the timing shaft 374 through an intermediate shaft 396 which is coupled at one end thereof to the timing shaft by means of a drive belt 398 and which is coupled at the other end thereof to the feed shaft 392 by means of a drive belt 399.

The feed rolls 390 advance the card across a platform 400 and through the sensing station wherein is located the means which include the photocell reader assembly 82 which has photocells 40] located therein adjacent one face of the card and corresponding lamps 402 located therein adjacent the opposite face of the card (the photocells and lamps are shown schematically in FIG. 26). The leading edge of the card then passes into the nips established between a pair of feed rolls 404 mounted for rotation about an axis lying above the platform 400 and a corresponding pair of idler rolls (not shown) mounted for rotation about an axis lying below the platform 400, each idler roll engaging a respective feed roll. The feed rolls 404 are carried by a feed shaft 406 mounted for rotation upon the subframe 350 and driven by a drive belt 408 which is in driving engagement with the intermediate shaft 396.

Each advanced card is passed by the feed rolls 404 from the platform 400 to the card transport mechanism 46 which includes a table 410 (see FIGS. 1 and 23) which extends along the length of the path of travel of the cards as they pass through the machine. Mounted above the table 410 is a first bridge 412 having a pair of side rails 414 affixed to one another by means of a plate 416 extending between the rails 414 and a stiffener bar 418. A plurality of feed shafts 420 are mounted for rotation upon the rails 414 and carry adjacent each of their ends a feed roll 422 fixed for rotation with the feed shafts 420 about axes located above the table 410. Corresponding idler rolls 424 (see FIGS. 3 and 23) are mounted for rotation about axes lying below the table 410, each idler roll 424 being resiliently urged upwardly into engagement with a corresponding feed roll 422 to establish a nip there between so that the cards will first engage feed rolls 422L, which are furthest to the left, and then may be sequentially passed from nip to nip to be transported along the prescribed path of travel through the machine. Each feed shaft 420 is in driving engagement with a neighboring feed shaft 420 through drive belts 423 and, among those feed shafts 420 which are mounted for rotation upon the bridge 412, the feed shaft 420R which is furthest to the right in FIG. 1 is driven by a timing chain 425 which, in turn, is driven by the main drive motor 90 through a series of drive belts 426, 427, and 428 and drive chain 429 (see F168. 1 and 3). As each card emerges from below the first bridge, the card is brought into the imaging station 70 where the card is juxtaposed with the master tape and is momentarily halted as explained above in connection with the description of the imaging station and imaging means.

When a card is momentarily stopped at the imaging station, as seen in FIG. 7, it is no longer engaged with any of the feed rolls 422, but does lie over a pair of feed belts 430 and is urged into engagement with the feed belts 430 by a pair of idler roller assemblies 432 (see FIG. 8), each assembly 432 includ ing two idler rollers 434 rotatably mounted upon a carriage 436 which, in turn, is pivotally mounted upon a carriage arm 438, the carriage arm 438 being mounted upon the pin 106 for swinging movement relative thereto and being resiliently biased in a downward direction by virtue of a helical spring 440 such that the idler rollers 434 are biased against the card which is at the imaging station and the card is pressed against each of the feed belts 430 underlying the idler rollers 434 and the card. The feed belts 430 are moving continuously to the right as seen in FIGS. 1 and 7 and, by virtue of a frictional engagement with the card at the imaging station, tend to move the card in that direction. This tendency is defeated when the stop fingers 102 are lowered to stop a card; however, when the stop fingers 102 are raised, the card will be frictionally gripped by the feed belts 430 and advanced into a pair of nips established by the first-encountered pair of feed rolls 450L of a plurality of feed rolls 450 mounted for rotation about axes located above the table 410 upon feed shafts 452 which are in turn rotatably mounted upon a second bridge 454 having side rails 456 affixed to one another by means of bars 458. Corresponding idler rolls 459 are mounted for rotation about axes lying below the table 410 and are each resiliently urged upwardly into engagement with a corresponding feed roll 450. Each of the feed shafts 452 is driveably connected to a neighboring feed shaft 452 through a drive belt 460 so that all of the feed shafts rotate concurrently. The last of the feed shafts 452R which is located at the right end of the bridge 454 as seen in FIG. 1 is driven by a drive belt 462 which in turn is driven by the drive belt 427 driveably engaged with the main drive motor 90.

As the cards traverse the path of travel through the machine 10, it is possible that a card may become jammed somewhere along the path of travel, for one reason or another, resulting in the disruption of the operation of the machine. Means are provided in the machine for detecting such a card jam and for stopping the machine as a result of detecting such a jam. As best seen in FIG. 1, an elongate member 470 extends along the path of travel of the cards and is located above the table 410 and above the cards traveling thereon such that the cards pass between the table 410 and the elongate member 470. Should any card stop somewhere along the table 410 at a position where it is not intended that a card should stop, subsequent cards will bunch up with the stopped card until a sufficient thickness of cards is developed to deflect the elongate member 470 upwardly. The upward deflection of the elongate member 470 is sensed by an electric switch 472 which is coupled to the elongate member 470 and which is actuated by the deflection of the elongate member to cause the machine to be stopped.

In order to provide for the removal of any jammed cards, as well as to provide access to the table and to other components of the machine for inspection and maintenance, each of the bridges 412 and 454 may be raised in the following manner. The first bridge 412 is mounted to the frame 12 of the machine for pivotal movement about the feed shaft 420R, which itself is mounted for rotation upon the frame 12 at 474 and 476. As best seen in FIG. 23, the first bridge 412 may be raised by gripping handle 480 affixed to the plate 416 and depressing a lever 482 which will pivot a latch 484 out of engagement with a bar 486 which is affixed to the frame 12 of the machine so that the bridge 412 may be raised by swinging the bridge around the pivot provided by the feed shaft 420R. In a similar manner, the second bridge 454 may be raised by swinging the bridge 454 about the feed shaft 452R which is itself mounted for rotation upon the frame 12 of the machine 10 by brackets 488 and 490. The second bridge 454 carries a handle 494 which operates an overcenter clamp 494 to release the clamp jaws 496 from a bar 498 affixed to the frame 12 of the machine and to allow the bridge 454 to be raised into the position shown in FIG. 23. It is noted that such a raising of the second bridge 454 completely exposes the imaging station 70 since all of the mechanism for stopping and pressing the cards against the tape at the imaging station is carried by the bridge 454.

The machine 10 provides means for the sorting of the cards 22 as they pass along the path of travel from the hopper 40 to the storage compartment 52 so that as the cards arrive at the storage compartment 52 they are channeled into one of four bins 500, 502, 504 and 506 provided within the storage compartment (see FIG. 2). Referring now to F108. 24 and 25, as well as to F108. 1 through 3, a guideway 508 is provided adjacent one edge of the table 410 and is located so that a portion of each card will enter the guideway 508 and traverse the guideway as the card passes along its prescribed path of travel (also see FIG. 7). A plurality of thin, flexible bands 510, 512 and 514 are placed within the guideway 508 and overlap one another to divide the guideway into a plurality of channels 520, 522, 524 and 526. As best seen in H6. 24, the upper wall of the guideway 508 is established by a flexible band 530 while the lower wall of the guideway 508 is defined by the top 532 of the table 410 itself. Between the tabletop and the uppermost band are the three elongate flexible bands 510, 512 and 514 which divide the guideway into the four channels, channel 520 lying between the uppermost band 530 and the first band 510, channel 522 lying between the first band 510 and the second band 512, channel 524 lying between the second band 512 and the third band 514, and channel 526 lying between the third band 514 and the tabletop 532.

A sorter mechanism 534 is mounted upon the frame 12 adjacent to the forward ends of the bands and includes a bracket 536 carrying three pull rods 540, 542 and 544 mounted in the bracket 536 for vertical sliding movement. Each pull rod includes a collar 546 affixed thereto and a helical spring 548 between the collar and the bracket which biases each rod in an upward direction. Each pull rod is affixed to a particular band by means of a pair of threaded fasteners 550 which captivate a tab 552 extending laterally from each band (see FIG. 25) such that rod 540 is attached to band 510, rod 542 is attached to band 512 and rod 544 is attached to band 514 so that normally the pull rods push all the corresponding bands upwardly and close off all but the lowermost channel 526 to an oncoming card which would approach from the left in F10. 24. A pusher plate 556 engages all three of the collars 546 and is mounted for pivotal movement upon the frame 12 of the machine 10. As best seen in FIG. 1, the pusher plate 556 is rocked by a cam shaft 558 which is driven through drive chain 425 by the main drive system which includes drive motor and drive belts 426, 427 and 428 and drive chain 429. The pusher plate 556 rocks once for each cycle of operation of the card feed mechanism 46 and depresses all of the pull rods until a pad 562 located at the lower end of each rod comes into contact with a corresponding eleetrornagnet 570, 572 or 57 4 (see-FIG. 25), each electromagnet being affixed to the bracket 536. Such downward movement of all of the pull rods will pull all three bands 510, 512 and 514 downwardly against the top 532 of the table to close off all but the uppermost channel 520 to theoncoming card.

As the card passes the photocell reader assembly 82, the reader assembly will read the machine information carried by the card and the data thus obtained will be transmitted to the

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3688112 *Feb 18, 1971Aug 29, 1972Dymo Industries IncAddressing apparatus
US4186659 *Nov 25, 1977Feb 5, 1980Master Addresser CompanyMachine for addressing cards and envelopes
US4397542 *Mar 3, 1982Aug 9, 1983Xerox CorporationXerographic envelope printing
US4979605 *Oct 16, 1987Dec 25, 1990Bell & Howell CompanyDocument transporter for use in forwarding system
Classifications
U.S. Classification250/316.1, 250/319, 209/929, 101/47
International ClassificationB41L19/00
Cooperative ClassificationY10S209/929, B41L19/003
European ClassificationB41L19/00B