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Publication numberUS2608810 A
Publication typeGrant
Publication dateSep 2, 1952
Filing dateSep 17, 1948
Priority dateSep 17, 1948
Publication numberUS 2608810 A, US 2608810A, US-A-2608810, US2608810 A, US2608810A
InventorsHenry Smathers
Original AssigneeHenry Smathers
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Coin wrapping device
US 2608810 A
Images(3)
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Description  (OCR text may contain errors)

S pt. 1952 H. SMATHERS 2,608,810

COIN WRAPPING DEVICE Filed Sept. 17, 1948 3 Sheets-Sheet l p 2, 1952 H. SMATHERS COIN WRAPPING DEVICE 3 Sheeds-Sheet 2 Filed Sept. 17, 1948 Sept. 2, 1952 H. SMATHERS 2,503,810

COIN WRAPPING DEVICE Filed Sept. 17,. 1948 3 Sheets-Sheet 3 a 8 b N w WWI; w QN NK v as an l atented Sept. 2, 11

com WRAPPINGUDEVICE Henry Smathers, Charleston, s. 0.

Application September 1'7, 1948, Serial No. 49,787

My inventionirelates to a device for wrapping coins.

A primary object of my invention is to provide a deviceto facilitate forming the usual cylindrical packages containing stacks of coins of various denominations, and including means to insure that the correct number of coins is included in each package. a

A further object of the invention is'to provide a coin wrapping device having novel means for adjusting a coin slide or support, so that it will position stacks of coins of various denominations in their proper location relative to the wrapping mechanism.

A further object is to provide a device of the above mentioned character wherein the adjustments to accommodate the various denominations of :coins ar positive and accurate, so that only the correct number of coins can be included in the finished packages.

' A still further object is to provide a device of the above mentioned character which is simplified in design, sturdy, and very easy to operate.

Other objects and advantages of the invention will be apparent during the course of the following description;

In the accompanying drawings, forming a part of this application, and in which like numerals are employed to designate like parts throughout the same,

-' Figure 1 is a perspective view of a coin wrapping device embodying the invention,

Figure 2 is a side elevation of the same, the device being shown in an inclined operative position,

.' Figure 3 is a plan view of the device,

Figure 4 is an end elevation of the device'as viewed from the right hand end of Figure 1,

Figure 5 is a transverse cross section taken on line 5-5 of Figure 2, parts broken away,

Figure Bis an enlarged fragmentary transverse cross section taken on line 6-6 of Figure 2,

Figure? is an enlarged central vertical longitudinal section taken on line 11 of Figure 3, parts broken'away,

Figure 8 is a transverse vertical section taken on substantially the same line as Figure 5 and showing the device in use for wrapping a stack of dimes,

Figure 9 is a similar section showing the device in use for wrapping a stack of pennies,

' Figure 10 is a similar section showing the device in use for wrapping a stack of nickels, and

Figure 11 is a similar section showing the device in use for wrapping a stackof quarters.

TIn'the drawings, where for the purpose. of il- 9 Claims. (Cl. 53114) knob or handle 34 is suitably rigidly secured to the lustration is shown a preferred embo dimentofmy invention, the numeral I5 designates a flat'rectangular base plate or support. Rigidly mounted upon the base plate l5 at the transverse center 7 thereof, and near the opposite ends of the same areupstanding posts or supports |6 and I1.

The post I6 includes a header bearing I1 having a horizontal cylindrical bore I8. Slidably mounted within the bore I8 is an axially shiftable shaft I9 provided with axially spaced annular tapered grooves 26, 2| and 22 near itsouterend, Figure 7. These grooves 20, 2| and'22 constitute part of themeans for adjusting the device to accommodate various denominations of coins,- and the function of these grooves will be further described. Rigidlysecured to the outer free end of the shaft I9 is a knob or handle 23 for shifting the shaft I9 axially with respect to the post 16'. The shaft I9 is provided at its inner end with a reduced extension 24, and mounted upon this reduced extension is a ball bearing 25, asshown'. Mounted upon the outer raceof the ball bearing 25 and freely rotatable therewith is a cylindricalshell or sleeve 26, having .aforward: recess-"2:1

within which is securely mounted'a rubber pad or disc 2 8, having its forward face projecting beyond the forward side of the shell 26, Figure 7. The post I6 is provided in its' outer side and near its'upper end with a screw threaded opening 29,

receiving a screw 30, engaging in avertically elongated slot 3 I, formed in a verticallyshiftable adjusting plate 32, slidably mounted upon the outer side of the post I6. The adjusting plate 32 has its top end beveled, as at 33, for engagement in the tapered grooves 20, 2| and 22. A

plate 32 near its lower end, to facilitate shifting the plate vertically.

The opposite post I1 includes a head or bearing 35 having a cylindrical horizontal bore 36, concentric with and in axial alignment with the bore I8. Slidably mounted within the bore 36 is an outer cylindrical tubular sleeve or bushing 31, having a single radial screw threaded opening 38,

receiving an inner reduced screw threaded ex-.

tension 39, of a radially extending member or handle 46, havingan inner reduced cylindrical portion 4|, for slidably engaging in a diagonal transverse cam slot 42 formed in the top of the bearing or head 35. The inner. end of the sleeve 31 projects inwardly of the inner end of the; head 35, Figure 7,'and' at its outer end the sleeve 31 has an external'annular flange 43, forv en; gagement with the outer end of the. head 35.

Rotatably mounted within thesleeve 31 is an inner elongated sleeve 44, the inner end of which projects axially inwardly of the sleeve 31, as shown. Rigidly mounted upon the inner end of the sleeve 44 by means of pins 45 is an annular ring or collar 46, the outer face of which engages the adjacent inner end of the sleeve 31. The sleeve 44 is further provided with an annular radial shoulder or flange 41 disposed axially outwardly of the flange 43, and slidably engaging the same. The sleeve 44 extends axially outwardly of the flange 41 and has rigidly mounted upon it near its outer end, by means of a set screw 48,

or the like, a radial handle or crank 49 for turning the sleeve 44 and associated elements. The sleeve 44 is provided in its outer end with diametrically oppositely arranged axially extending slots 50, for slidably receiving the opposite ends of a transverse pin rigidly secured in a transverse opening formed in an axially shiftable and rotatable horizontal shaft 52, mounted within and extending, axially beyond both ends of the sleeve 44,-vas shown. Rigidly mounted upon the outer end of, the shaft 52 is a knob or handle 53. The shaft 52 has a reduced extension 54 at its inner end, and rigidly mounted upon this reduced extension, for rotation therewith, is a head 55 provided in its inner face with a.recess 56, within whichis secured a rubber pad or disc 51, similar to the disc 28, and in axial alignment therewith. An eXpansible coil spring 58 is mounted upon the shaft52; between the sleeve 44 and head 55, Figure 7. This spring serves to bias the shaft 52 axially inwardly, or toward the post [6. The pins 45, of course, do not extend into the shaft 52, so that the shaft may be shifted axially with respect to the sleeve 44. A ring or collar 59 is mounted upon the sleeve 44 between the crank 49 and flange 41, and this collar has an axial extending annular portion 60, covering the flanges 43 and 41, and serving to prevent dirt from entering between the sleeves 31 and 44.

.Rigidly mounted upon the base plate I5 and extending for substantially the entire distance between the posts [6 and I! is a longitudinally extendinginclined adjustment ramp or guide 6|, including a flat inclined top 62, vertical sides 63 and 64, and vertical ends 65 and 66, integral therewith. The sides 63 and 64 project slightly above the inclined top 62, and carry parallel longitudinal laterally inwardly extending webs orfla ges' 61, forming with the top 62 and sides 63 and 64, inclined longitudinal guide grooves 68, extending for the entire length of the inclined guide 6|. The top end of the inclined guide 6| extends near the head or bearing i1, while the lower end of the guide is arranged close to the bottom end of the post I1, Figure 2. The end 66 carries laterally spaced extensions or feet 69 which straddle the bottom of the post 11, Figure 1, to position the inclined guide 6| with respect to the post. The opposite end 65 carries a transverse foot or flange which extends close to the bottom of the post I6. The transverse center of the inclined guide 6| is disposed vertically beneath the horizontal longitudinal axis of the heads or bearings 11' and 35. Rigidly secured to the inclined top 62 near the longitudinal center of the same, and spaced laterally inwardly of the flanges 61 are opposed vertically upstanding adjustment plates H having longitudinally spaced vertical slots 62, 63', 64' and 65'. The corresponding slots in the plates H are arranged in lateral alignment, and constitute part of the adjustment means to facilitate handling coins of difierent denominations. The plates ll extend above the flanges 61, Figure 2, and have their tops inclined, as shown.

Longitudinally slidably mounted upon the inclined guide 6] is a wedge-shaped carriage or slide 12, including opposed vertical sides 13, and vertical ends 14 and 15, integral therewith. Adjacent to their lower edges, the sides 13 carry inclined longitudinal laterally outwardly extending flanges 16 slidably engaging in the guide grooves 68-, as shown. Formed centrally upon the sides 73 are outwardly projecting apertured lugs Tl, pivotally connected with companion inwardly projecting lugs 18 of oppositely disposed locking levers 19, including laterally inwardly extending portions or extensions 80, which extend through vertical slots 8| provided in the sides 13. The inner ends of the extensions are engageable in the slots 62, 63', 64' and 65' of the opposed plates ll. Expansible coil springs 82 are secured to the inner sides of the levers 19, and engage between the levers and sides 13 to bias the extensions 80 into the respective slots 62, 63, 64 and 65'. It is thus seen that the levers 19 are operable to permit the wedge-shaped slide 12 to be adjusted longitudinally along the inclined guide 6|, and locked in the selected adjusted position by the engagement of the extensions 80 in the slots of the, plates II. The wedge-shaped slide 12 further-in:- cludes a horizontal top 83 which is formed to provide a central longitudinal portion 84, which is circularly curved in transverse cross section. V The. horizontal axis of the circle defining the central ortion 84 is parallel to and in verticalv alignment with the common axis through the headsor bearings H and 35. Adjacent to the side portions 85, the ends 14 and T5 carry upstanding apertured extensions orlugs 86, and rotatably supported by these lugs are horizontally parallel longitudinally extending spaced rubber-covered cylindricalrollers 81, arranged directly over the portions 85 of the top 83 and spaced slightly above the same. The rollers 81 have reduced extensions 86 and. 81,-

at their ends and theseireduced extensions are iournaled in the apertures of the lugs 85. The tops of the rollers 81 extend above the top 83, and the inner sides of the rollers project radially inwardly of the central circularly curved portion 84 for a slight distance, Figure 5. The rubbercovered rollers 81 form a seat for the stacks of.

coins wrapped by the device.

A longitudinally extending transversely curved bafile or wrapper guide 88 is pivotally mounted upon the slide 12 at the left side of the same, Figure 5. This wrapper guide 88 tapers toward its free end 88, which projects laterally inwardly, as shown. The wrapper guide 88 extends longitudinally between the ends 14 and i5, and includes inwardly projecting apertured lateral extensions or lugs 98, disposed outwardly of the apertured lugs 86, and pivotally mounted upon reduced extensions 81", Figure 3. The bailie 88 is provided near its longitudinal center with a laterally extending handle 9! to facilitate swinging the baflle 88 from its substantially vertical open position, Figure 5, to its closed or wrapper engaging positions, Figures 8 to 11. a

Pivotally connected to the right hand end of the base plate l5, Figure 2, is a U-shaped support or strap 92. This strap may be swung to a depending position, Figure 2, forsupporting the right hand end of the base plate in an elevated position.

In use, the device is capable of handling coins of different denominations, namely, dimes. pennies, nickels and uarters. in the order 01' their 5. sizes. It is customary to wrap stacks of these coins in paper wrappers, to form cylindrical packages containing conventional amounts of money, such as $1.00, $5.00, $10.00 or $25.00. This device serves the combined purpose of establishing the length of each stack of coins to be wrapped, so that the proper number of coins will be included in the finished package, and of applying a sheet of wrapping paper to the stack, so that all that remains to be done when the package is removed from the device, is to fold in the ends of the wrapper for forming the completed package. I

For wrapping a conventional stack vof dimes or pennies, the plate 32 is engaged in the groove 20 of the axially adjustable shaft 13. The groove 20 is employed for both dimes and pennies. When nickels are wrapped, the plate 32 engages the groove 2|, and when quarters are wrapped it engages the groove '22. Referring to the case of dimes, the first adjustment made; is to engage the plate 32 in the groove 20, as stated. This positively positions the pad or disc 28 in the proper location for engaging one end of a stack of dimes D to be wrapped.

The slide 12 is next properly positioned upon the inclined guide 8|. For dimes, the extensions 80 are engaged in the slots 62', for pennies in the slots 63', for nickels in the slots 64', and for quarters in the slots 65. By positioning the extensions 80 in the proper slots of the plates 11, the rollers 81 will be at the proper elevation with respect to the shafts l9 and 52, and the central longitudinal horizontal axis through the stack of coins will coincide with the axis of the shafts l8 and 52.

The handle or knob 40 is next swung counterclockwise or to the left, Figure 6, and the action of the knob within the cam slot 42' causes the sleeves 31 and 44, as well as the shaft 52 and associated elements, to shift axially outwardly or to the right, Figure '7. This establishes the proper maximum distanc between the rubber discs 28 and 51, to accommodate the correct number of dimes for the standard stack D. The U-shaped strap 92 may be swung downwardly to the position shown in Figure 2, for inclining the entire device, so that when the coins are placed'on the rubber-covered rollers 81, they will all tend to fall toward the disc 28. This makes it easier tointroduce coins onto the rollers 81, as they would otherwise tend t fall in diiferent directions, if the rollers were horizontal. When enough coins have been placed upon the rollers 81, so that the distance between the rubber discs-28 and 51 is substantially filled, the stack will contain the correct number of coins to form a conventional package. In some cases, due to the fact-that some of the coins are worn thin, there will be a greater clearance or slack in the stack-of coins between the discs. This slack or clearance never will equal the thickness of one entire coin, and an extra coin never should be forced into the clearance space. Even when the stack of coins comprises all new and unworn coins, the maximum space between the discs 28 and 51 always will be slightly greater than the length of the stack. The handle or knob 40 is next swung clockwise or to the right, Figure 6, and the clearance or slack in the stack of coins is taken up. When the handle 40 is thus swung to the right, the sleeves 31 and 44 are shifted axially inwardly to their inner positions in Figure '7. The shaft 52 will remain axially stationary after the slack in the coin stack is taken up, causing compression of the spring 58. The action of the pin 5| .withini the slots 50 allows this relative axial movement:- of the shaft 52 and sleeve 44. The stack of'coins constituting the proper amount of money for the finished package is now resiliently held between the discs 28 and 51, and supported by the rollers- 81. adjacent to the side of the stack of coins remote from the baflie 88, and the bafiie is swung to the;

closed position, Figure 8. Theleadin'g edge of the wrapping sheet is introduced between the adjacent roller 81 and the stack ofdimes D. The crank 49 is turned clockwise, Figure l, and this causes the sleev 44 and shaft 52 to rotate, thus rotating the discs 51 and 28. The stack D will of course rotate with the rubber discs, and the wrapping sheet W will be fed between the stack D and central portion 84, and then be-' tween the stack and the inner face of the baflie 88. The battle then is swung to its. open position, Figure 4, and the knob 53 may be pulled to shift the shaft 52 axially outwardly for releasing the stack D from between the rubber discs, so that it can be removed with the wrapping sheet W around it, and the package completed by hand.

When stacks of pennies P, nickels N or quari ters Q are wrapped by the device, its opera tion is identical to that described above, except that the proper grooves on the shaft 18 and the proper slots on the plates 1| are selected for establishing the proper relative positions of the discs 28 and 51 and rollers 81 respectively.

It is to be understood that the form of my invention herewith shown and described isto be taken as a preferred example of the sameQand that various changes in the shape, size and arran'gement of parts may be resorted to, without departing from the spirit of my invention or the scope of the subjoined claims. I

Having thus described my invention, I claimi 1. A device for wrapping coins, comprising'sup porting means, longitudinally spaced bearings carried by the supporting means, a supporting, element arranged between the bearings and being vertically adjustable with respect to the bearings, substantially horizontal spaced coin, engaging elements mounted upon the supporting ele-, ment, an axially adjustable shaft mounted in one bearing, a rotatable coin engaging head secured to the inner end of the shaft, an axially shiftable sleeve mounted within the other hearing, an axially shiftable and rotatable shaft mounted within the sleeve, a coin engaging head secured to the-inner end of the last named shaf-t, and resilient means to bias the last named shaft inwardly toward the first named shaft.

2. A device for wrapping coins, comprising aninclined guide, an adjustable slide mounted upon the inclined guide and having means toengage and support a stack of coins, longitudi: nally spaced supports arranged near the op-, posite ends of the inclined guide and extending above the same, bearings secured to the upper ends of the supports, an axially adjustable shaft mounted within one of said bearings;- a rotat able coin engaging head carried by the shaft, an axially shiftable and-rotatable shaft mounted within the other bearing, a coin engaging head carried by the last named shaft, and meansto, permit the adjustable slide to be shifted longie tudinally upon the inclined guide and Q-D0s itively lock the slide in a selected adjusted posi-.

A sheet of wrapping paper W is nowheld.

inclined; .guide, a "generally wedge-shaped zslide.

mounted. upon the inclined guide, spaced sub..- stantially horizontal rollers mounted upon the wedge-shaped slide and constructed and arranged to. support a stack of coins, elements secured,

to theincline'd guide and having, longitudinally spaced openings, pivoted elements connected with thewedge-fshaped slide and constructed and arranged to engage Within the openings for positively locking the slide to the inclined guide. longitudinally spaced bearings arranged near the opposite. ends of the inclined guide, axially aligned shafts. mounted within the bearings and extend ing over the wedge-shaped slide, coin engaging heads carried by the shafts, and means to rotate oneofthe shafts.

4. A device for wrapping coins, comprising a fixed inclined guide, an upstanding plate secured to theinclined guide and provided with spaced openings, a longitudinally shiftable slide.

mounted upon the inclined guide, a pivoted lever carried by the slide and adapted to engage the spaced openings of the plate for positively position-ing-the slide in selected adjusted positions along;the guide, spaced substantially horizontal rollers mounted upon the slide and projecting above the same, constructed and arranged to support a stack of coins, a wrapper guide connected to the slide near one side of the same and extending longitudinallyof and above one of said rollers, upstanding posts arranged near the oppositeends 'of the inclined guide, axially aligned bearings carried by the posts and projecting above the slide, an axially shiftabie shaft mounted within one ofthe bearings and having axially spaced grooves and a rotatable coin engaging head, an adjustable element mounted upon the post carrying the axially shiftable shaft and engaging the grooves of the shaft to lock the same in a selected adjusted position, an axially shiftable and rotatable shaft mounted Within the other bearing and having a coin engaging head in axial alignment with the first named head, means for shifting the last named-shaft axially toward and away from the first named shaft, and means to rotate the second named shaft for rotating the stack of coins so that a paper wrapper may be fed between the rollers and stack and into engagement with the wrapper guide.

' 5. A device for wrapping coins, comprising supporting means, longitudinally spaced bearings carried by the supporting means, one of said bearings having a cam opening, a support element arranged between the bearings and being vertically adjustable with respect to the bearings and having spaced coin engaging parts, an axially 'shiftabie shaft mounted in one bearing and having a rotatable coin engaging head, an outer sleeve slidably mounted within the bearing'having the cam opening, a member secured to the outer sleeve and projecting into the cam opening and shiftable therein for moving the outer sleeve axially, an inner sleeve rotatably mounted within the outer sleeve and having parts engaging the ends of the outersleeve so thatthe inner sleeve will shift axially with the outer sleeve, the inner sleeve having a longitudinal slot, a shaft mounted within the inner sleeve and having a part engaging in the longitudinal slot so that the shaft may be shifted longitudinally with respect to the inner sleeve and rotate therewith, a coin engaging head secured to the last named shaft,'a spring mounted upon the last named shaft between the head thereof and inner sleeve and serving to bias the shaft; axially inwardly, andmeansto rotate the innensleeve and; second named shaft.

:-6. A device for wrappingcoins, comprising. a

support, longitudinally spaced stationary bear ingsmounted upon the support, a sulfporting elementmounted upon the support between the stationarybearings and vertically adjustable shoulders, an adjustable element for movementv into ,and out of; engagement with a selected shoulder, a coin engaging device mounted -upon the shaft, a ,second shaft slidably mounted in theother bearing to turn and move axially therein,- a coin engaging device mounted upon the second shaft and permanently-movable with the second shaft, a spring to move-the second shaft inwardly, means to move the second shaft outwardly in oppositionto the spring, .and means to bodily shiftpthe second shaft and spring. axially. I V o 47. A' device for wrapping coins,'compr i;s ing a support, longitudinally spacedstationary bear-j ings mounted upon the Support, a supporting element arranged between the bearings and being vertically adjustable with elation-to the bearings and having spaced coin engaging parts, a shaftslidably mounted inone-bearing, a coin engaging head carried by the shaft, ;a sleeve slidably mounted in the other bearing and axially -movable androtatable within. the sleeve, means to move the sleeve axially within its bearing, a second shaft axially movable-within; the sleeve,- a spring tending to move the second shaft inwardly, a coin engaging head carried by the second shaft, means .to limit the inward axial movement of the second shaft with relation to, the sleeve and to permit of .the outer axial movement of the second shaft, and means to rotate the secondshaft. j r

8. A device'for wrapping coins, comprising a support, longitudinally spaced stationary bearings mounted upon the support, a. shaft slidably mounted within one bearing for, axial adjustment. therein, means tohold the shaft in the selected axially'adjustedposition,- a coin engaging head secured to the shaft, a sleeve device axially movable ;in the other bearing, said other bearing having cam means, an element. secured to the sleeve deviceand engaging ,thecam means to shift, the sleeve device axially, thesleeve-device having a longitudinal slot, a second shaft slid;- ably mountedwithin the sleeve device and having a pin to operatewithin the slot, the pin en-. gaging the inner end .ofthe. slot to limit the inward movement of. the second shaft, a coin engaging head mounted upon the inner end of the second shaft-,a spring to move thesecond shaft inwardly withrelationtothe sleeve device until the pin engages the inner end of the slot, and a-vertically. adjustable supporting structure arranged between the bearingsand havinglater-v ally spaced coin engaging parts, and means to. rotate the sleeve device; y

9. A device for wrapping coins, comprising a support, a fixed inclined guide mounted upon the support, spaced bearings mounted uponthe support' and, having the fixed guide 'arrangedloetween them and having a fixed relation ,to the guide, a stationary member. arranged near the guide and having a plurality of notches spaced longitudinally of the guide,. a supporting structure slidably mounted vupon'the inclined guide to be shifted longitudinally. thereof and including 9 transversely spaced coin engaging elements, a spring pressed latch mounted upon the supporting structure to automatically move into a selected notch when brought into close relation thereto, rotatable coin engaging devices including parts mounted within the bearings, and means to rotate one coin engaging device.

HENRY SMATHERS.

REFERENCES CITED The following references are of record in the file of this patent:

Number 10 Number UNITED STATES PATENTS Name Date Altschul Feb. 21, 1911 Heer Dec. 10, 1918 Burdick May 10, 1927 Barron Feb. 12, 1946 FOREIGN PATENTS Country Date Germany Jan. 29, 11596

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US984522 *Nov 25, 1910Feb 21, 1911Hugo AltschulCoin-packaging machine.
US1287303 *Oct 29, 1917Dec 10, 1918William D HeerCoin-wrapping machine.
US1628576 *Mar 5, 1926May 10, 1927Laurence Burdick CharlesCoin-wrapping machine
US2394886 *Oct 6, 1943Feb 12, 1946Bell Barron JacobCoin wrapping machine
*DE85065C Title not available
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2666284 *Jan 16, 1953Jan 19, 1954Joseph ScheidtCoin-wrapping device
US2809485 *Jun 3, 1954Oct 15, 1957Norek Frank RCoin counting and wrapping machine
US3454017 *Oct 26, 1967Jul 8, 1969Tenshin Mfg Machine CoCoin stacking assembly for use with a coin wrapping machine
US5365723 *Sep 21, 1992Nov 22, 1994Ramos Enrique APortable baggage wrapping apparatus
US5706945 *Jun 9, 1995Jan 13, 1998Pakenso OyMethod and an apparatus for packing cardboard end covers of paper rolls and a package
US6023908 *May 27, 1997Feb 15, 2000Vetsch; Kevin R.Method and apparatus for folding a napkin around an eating utensil
Classifications
U.S. Classification53/213
International ClassificationG07D9/06
Cooperative ClassificationG07D9/065
European ClassificationG07D9/06B