|Publication number||US2188433 A|
|Publication date||Jan 30, 1940|
|Filing date||Jun 9, 1937|
|Priority date||Jun 9, 1937|
|Publication number||US 2188433 A, US 2188433A, US-A-2188433, US2188433 A, US2188433A|
|Inventors||Kurt P Friese|
|Original Assignee||Kurt P Friese|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (37), Classifications (10)|
|External Links: USPTO, USPTO Assignment, Espacenet|
Jan. 30, 1940- K. P. FRIESE 2,188,433
v WORK HOLDING DEVICE Filed June 9, '19s? 2 Sheets-sheaf. 1
, I .38 I 3 44Z ATTORNEY Jan. 30, 1940. K. P. FRIESE WORK HOLDING DEVICE .Filed June 9.- .1937
2 Sheets-Sheet 2 INVENTOR hugr FE/ESE w 1% ATTORNEY Patented Jan. 30, 1940 UNITED STATES PATENT OFFICE 2,188,433 woRK nommc. DEVICE Kurt P. Friese, Norwalk, Conn. Application June 9, 1937, Serial No. 147,180
3 Claims. (01. 29-89) This invention relates to a work holding apparatus.
It is an object of the invention to provide such an apparatus that is readily adaptable for the holding of work of various sizes and shapes and which may be adjusted to support the work in divers positions to facilitate operation thereon.
In achieving this object there is provided as a feature of the invention a work holding apparatus in which a pair of supporting and clamping arms carried by a frame are relatively movable laterally toward and away from each other and in which the frame is so supported that it may be moved vertically and also pivoted on both a vertical and a horizontal axis.
Another feature of the invention resides in so associating the supporting arms with each other and with the frame that a single operating member may be utilized for concurrently moving the supporting and clamping arms toward and away from each other. 4
Another feature of the invention resides in providing a. frame supporting structure composed of two pairs of telescoping members, the, members being so associated that the frame may be moved both vertically and horizontally and likewise be pivoted on both a vertical and a horizontal axis to thereby permit a ready access to any portion of the work by an operator.
A further feature of the invention resides in providing on the supporting arms means by which peculiarly shaped articles, such for example as automobile doors, may be clamped and securely held relative to the supporting arms while'being' worked upon.
Thus, for example, when an automobile door is held by the apparatus provided by the present invention it is possible to remove the upholstery from one side of the door, turning and adjusting the frame while so doing tofacilitate'the operation; and then without removing the door from the frame perform any other operation thereon, as painting on the opposite side, by merely adiusting the frame to locate the door in a convenient position relative to the workman.
Because of the novel mounting of the holding apparatus which includes an easily operated and eflicient supporting and clamping means. bulky 50 and unwieldy articles of many kinds may be effectively held in divers positions in which they may be advantageously operated upon by a workman.
Doors, fenders, engine hoods and cover hoods for tires are only a few of the many unwieldly 55 articles which may be expeditiously handled by means of the novel holding apparatus provided by the present invention.
Other objects, features and advantages of the invention will hereinafter appear.
In the drawings:
Figure l is a perspective view of the holding apparatus. g a
Fig. 2 is a sectional'view taken on the line 22 of Fig. 3 and showing the advantageous clamping and supporting means associated with one of the holding and supporting arms.
Fig. 3 is a top view of the holding apparatus.
Figs. 4, 5 and 6 are detail views showing the advantageous supporting and clamping mem- ,1. q
bers associated with the holding and supporting arms.
Fig. '7 is a detail of a modified construction in which the supporting arm operating member is associated with the frame in a somewhat diiferent manner than illustrated in Figs. 1, 2 and 3.
Before describing the present improvements and mode of operation thereofin detail it should be understood that the invention is not limited to the details of construction and arrangement of parts shown in the accompanying drawings, which are merely illustrative of the present preferred embodiments, since the invention is capable of other embodiments, and the phraseology employed is for the purpose of description and not of limitation.
Referring now more particularly to the drawings which show the present preferred embodiments of the invention therelis disclosed a vertical standard 15 composed of upper and lower telescopically associated members l6 and I1, the
"lowermember I! having a plurality of supporting legs l8 extending therefrom, and the upper member l6- being welded or otherwise suitably secured to a tubular member I9 extending horizontally and at a right angle thereto. A member 20, telescopically associated with the'tubular' member [9 and secured, as by welding, to a holding-frame 2| at one end completes the frame 'mounting 22. I a
The holding frame 2|, as shown, carries a pair of forwardly extending holding and supporting arms 23 whichare mounted for movement laterally toward and away from each other. To provide a rigid and strong construction, the frame 2| is advantageously formed as an I beam having upper and lower flanges 24 and 25 connected by a web 26, while the holding and supporting arms 23 are formed as angle beams with a vertical portion 21 and a horizontal portion 28, Association of the arms 23 and frame 2| is slide members 29, and preferably, as shown,-
bracket plates 3| are inserted in the channel slide members 29 and welded thereto beneath the vertical portions 21 of the arms 23 to further support the latter.
Follower plates 32 with bulbs: 33 formed at their upper and lower edges, positioned on the side of the frame web 26 opposite the channel slide members 29 and secured to the upstanding web portions 34 thereof by blocks 35, and bolts and nuts 36 and 31 extending through longitudinal slots 38 in the frame web 26, serve to maintain the supporting arms 23 in rigid and sliding relation with the frame 2|.
For moving the spaced arms 23 relative ,to each other to accommodate Work of various sizes there is provided an operating member 39 which extends longitudinally in the guideway 30, being supported adjacent each end thereof in forwardly extending ears 40 which may be formed integral with the frame web 26. Opposed right and left hand screw threads 4| and 42 formed on the member 39 and respectively engageable with cooperating screw threads in floating nuts 43 confined in housings 44 fixed to the two slide 'members 29 provide a positive means for moving the supporting arms laterally relatively to each other when the operating member 39 is rotated, as by a crank 45 secured thereto at one end thereof. Collars 46 fixed to the operating member and engageable with the inwardly extending supporting ears 40 serve to effectively prevent longitudinal movement of the screw member 39 during its rotating movement.
Instead of positioning the screw member 39 forwardly of the frame web 26 as shown in Figs. 1, 2 and 3 it may, if desired, be positioned rearwardly of the web 26 as shown in the modified construction of Fig. 7. In such case the" floating nuts 43 are located in housings 41 fixed to the follower plates 32 by the bolts 36 rather than to the slide member 29. The operation of this form is the same as of the form first described. A somewhat less congestion of operating parts, however, is present on the forward side of the frame.
It is to be particularly noted that with the advantageous frame mounting 221 disclosed it is possible to raise and lower the holding frame 2| by sliding the upper telescoping member I6 of the standard I in the lower member I1, and that it is likewise possible to pivot the frame on a vertical axis by rotating the upper member I6 in the lower member II. Also, it is to be noted that the holding frame 2| may be moved both forwardly andrearwardly and pivoted on a horizontal axis.
For locking the upper member I6 in divers adjusted vertical and pivotal positions a split section 48 is formed at the upper end of the lower member. Clamping lugs 49 and 50 fixed to opposite portions of the split section 48 and held together by a screw 5| provide a means for draw- 6 ing the split section 48 together to thus firmly clamp the upper member I6 in the various adjusted positions. Preferably, and as shown, the screw 5| which is formed with a shoulder 52 thereon engaging the outer face of one of the lugs 49 to draw the latter when the screw is rotated in r a threaded hole, not shown, in the other lug III, has a turning pin 53 associated with one end thereof to facilitate the clamping and release of the upper telescoping member I6.
A split section 54 formed on the forward end of the horizontally extending tubular member I9, and to the opposite portions of which are fixed clamping lugs 49 and 50' held together by a screw 5|"identical with the screw 5| associated with the standard I5, provides a means for effectively maintaining the frame in divers adjusted positions. The clamping of the tubular member I9 on the horizontally extending member is achieved, as in the case of standard I5, by grasping the turning pin 53' on the screw 5| to draw the shoulder 52 thereon against one of the lugs 49' and thereby move the same toward the other lug 50 having the threaded hole therein.
Such a mounting of the holding frame 2| is thus seen to be especially advantageous inasmuch as when an article is clamped between the holding ,and supporting arms 23 it may be adjusted in various positions to enable easy access to all portions thereof by the workman.
In certain classes of work, due to the irregular configuration of the article to be operated upon and to other factors, such as the danger of damaging the article if it were to be directly clamped between the supporting arms in a vise grip, there may be associated with each of the arms 23 supporting and clamping means which are adapted to firmly hold the work relative to and between the arms 23 without danger of damage thereto as by crushing.
These advantageous means are, for the purpose of illustration, disclosed as cooperating in firmly holding an automobile door 55, shown in dotted lines.
These means include a supporting plate 56, see
51 is formed at the inner or projecting end of the plate and serves as a rest for the work being operated upon. As shown, to permit adjustment thereof, the plate 56 is provided with a pair of parallel slots 58 therein in which are inserted bolts 59 which pass through holes 60 in the horizontal portion 28 of the supporting arm. Wing nuts 6| are provided on the bolts to facilitate clamping of the supporting plate in various positions of adjustment when the latter is moved inwardly and outwardly in the work receiving space between the arms 23.
While only one such supporting plate 56 is shown it will be appreciated that one or more such plates may be utilized should the character of the work require. Accordingly, it is to be noted that a series of spaced holes 6|] are provided in the upper portion of each of the supporting arms to permit not only the use of several plates but the locating of such plates at any desired position longitudinally of the arms 23.
A plurality of-cushioned supports 62 are likewise shown associated with the supporting arms. Each of these cushioned supports 62 includes a slide member 63 having angularly disposed portions 64 and 65 with hook shaped ends 66 and 61 adapted'to engage respectively with the free the cushioned support. Because of the manner in which the slide members 63 are associated with the supporting arms 23 the cushioned supports 62 may be easily adjusted longitudinally thereof.
For clamping the work on the cushioned supports 62 and/or supporting plates 58 there are provided a plurality of clampingmembersfl including a head portion 10, preferably of rubber, provided with an eye member on the lower face thereof. A spring H, at one end hooked in the eye portion 12 and at the other end secured. to a hook 13 adapted to engage the .lower edgef'of the portion 21 of the arm 23 serves to maintain 15 the head in yielding engagement with the face of the work opposite the supports 56 and 62. It is to be noted that a-series of spacedholes 14 is provided in the vertical flanges 21 of each. of the supporting arms 23 similar to the holes 60 in the horizontal flanges for. receiving divers supporting and clamping mechanisms adapted for use with special types of work.
with the. holding apparatus disclosed itis thus seen that the work of various sizes may he securely held between the forwardly extending arms I 23' which are easily adjustable by means of the operating screw. member 39.5 It is further seen that because of the advantageous mounting ofthe holding frame it is possibleto turn andotherwise adjust theisam'e so that the work may at all times be accessible to theworkman. Moreover, through the use of the advantageous supporting and clamping means associated with arms 23 it is possible to easily and firmly hold articles of divers configurations.
For example, assume that it is desired to repair. an automobile door 55' shown in dotted lines. The arms 23 are adjusted to the proper width by rotating the operating member 39.. The door may then be placed-between the arms with the door flange I5 upon the tongue .5'| of the supporting plate 56 and upon the cushioned supports 62 which have been properly positioned and adjusted on the arms. Next the spring urged clamp- 5 ing members 69 are snapped or otherwise moved to overlie the door flange l5 In this manner the door is securely held between the arms 23. Then the holding frame may be rotated orl a horizontal axis by loosening the clamping screw 50 -SI' to bring the upholstery in an accessible position relative to the workman. The screw 5 i may then be fully tightened to lock the frame in this adjusted position following which the upholstery may be removed. Any dents in the d r may 55 then be pounded out, the frame being suita ly adjusted to a position desired by the workman. Following thisthe door may be painted and the upholstery replaced. All of the operations, it is tobenoted, re performed with only one initial so handling o 5' the door, the frame being readily moved to itions in which the various opera tions may be most effectively performed.
U-shaped channels to besup'por'tedby and slid- ,"ablein said channel and extending at an angle Variations and modifications may be made within the scope of this invention and portions of the improvements may be used without others. Having thus described the invention, what is claimed as new is:
1'. A work; holding apparatus comprising in combination a vertical standard and-a work-holding supportsolely supported by the upper end ofsaid standard; said support including a holding frame consisting of an I-shaped member presenting U-shaped channels on two sides there:- of with an elongated slot in the web; means for mounting said support for compound adjustment on top of said standard; a pair of holding arms having their ends tightly nesting in one pf said 15 U-shaped channels to be supported by and slid-' .able in said channel; means connected to each s, of said ends extending through said elongated slotand guided in the other U-shaped channel \of the'I-member-for-holding said ends to said I- shaped memberfand driving means associated with said ends for moving said holding arms laterally relatively to each other. I
2.-A' work holding apparatus comprising in combination a vertical standard and a work-holding support solely supported by theupper end of s id standard; said support including a hold-' ing rameconsisting of an Ishaped member presenting -U-shaped' channels on' two sides thereof with an elongated slotin the web; means for 30 mounting said support for compound adiustment on' topof'said standard; a'gp'air of ,holdin'g arms havingvtheir ends tightly nesting in'one. of said with respect to said f-shaped member: means connected to eachof saidends extending through said elongated slot and guidedj-in the other U- shaped channel of the I-member for holding said ends to said'I-shaped member; and driving means associated with said ends for moving said holding arms sidewise relatively toeach other.
3. A1 work holding apparatus comprising in combination a vertical standard and a .work-' holding supp rt solely supported by the upper end of said standard; said support including a holding frame consisting of an I-shaped mem-' ber presenting U-shaped channelson two sides thereof with an elongated slot inthe web; means for mounting said support for compound adjustment on top of said standard; a pair of holdinganns having their ends tightly nesting in one 01- said U-shaped channels to be supported by and 'slidable in said channel; means including channel slide members connected to each of said ends extending through said elongated slot and guided in the other U-shaped channel of the I-member for holding the said ends to said ;f-shaped memher; and driving means associated with saidends for moving said holding arms laterally relatively co to each'other.
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US2427133 *||Nov 17, 1943||Sep 9, 1947||Grabner Walter J||Work holding and fabricating apparatus|
|US2460944 *||Jun 28, 1946||Feb 8, 1949||Edward Nighthart George||Bicycle holding fixture|
|US2543598 *||Jun 21, 1946||Feb 27, 1951||Axel H Peterson||Core molding machine|
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|U.S. Classification||269/71, 269/319, 269/78, 269/296, D15/140, 269/242|
|Cooperative Classification||B23Q2703/00, B23Q3/00|