|Publication number||US1397409 A|
|Publication date||Nov 15, 1921|
|Filing date||Oct 5, 1918|
|Priority date||Oct 5, 1918|
|Publication number||US 1397409 A, US 1397409A, US-A-1397409, US1397409 A, US1397409A|
|Inventors||Scott Duwelius Walter|
|Original Assignee||Scott Duwelius Walter|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (13), Classifications (7)|
|External Links: USPTO, USPTO Assignment, Espacenet|
W. S. DUWELIUS.
EQUALIZING ATTACHMENT FOR VISE JAWS.
APPLICATION FILED ocr. a, 1918.
1939794090 I Patented NOV 15919210 20 a? ,1 22 M V/I Z3 ,g i
June's Wm 3 79 9 z mmeq s M /ZAWQ QM um'rEo STATES WALTER SCOTT D'UWELIUS, OF CINCINNATI, OHIO.
EQUALIZINC-l- ATTACHMENT FOR WISE-JAWS.
Specification of Letters I'atent.
Application. filed October 5, 1918. Serial No. 256,990.
To all whom it may concern:
Be it known that I, WALTER Soo'r'r DU- wnmus, a citizen of the United States, residing at Cincinnati, in the county of Hamilton, State of Ohio, have invented certain new and useful Improvements in Equalizing Attachments for Vise-Jaws; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled inthe art to which it appertains to make and use the same.
The present invention which relates to equalizing attachments for vise jaws is based upon the general principles of the inventions forming the subject matter of my Patents Nos. 1,149,087 issued August 3, 1915, and 1,169,533 issued January 25, 1916.
The devices for applying pressure disclosed in these patents comprise in general a casing slotted lengthwise and containing a plurality of contacting devices arranged in line within the casing and so shaped that when they are moved in the direction of the length of the casing, certain of them will be caused to project through the slotted opening and thus apply pressure upon two surfaces between which the device may be placed. 1 L
It is an object of the present invention to improve the construction of the devices of the above-mentioned. patents in order to adapt them particularly for use upon the jaws of vises of ordinary construction to hold articles which can not be readily clamped between the usual parallel jaws. To this end the casing which contains the equalizing members is so constructed that it may be placed on the vise jaw and held securely thereon by an extension at the end of which there is a swinging weight adapted to rest on the sloping top of the jaw and to conform to various shapes of jawsby virtue of its pivotal connectionto the extension. To-increase the utility of the devices of the invention, the equalizing or gripping elements which adjust themselves to the contour of any article which may be held-be tween them are so formed .and constructed as to permit them to be used for more securely holding articles of various shapes such as rods, pipes, screws and the like.
The particular nature of the present invention, as well as other objects and advantages thereof, will appear more clearly from a description of a preferred embodiment as shown in the accompanying drawings, in which Figure 1 is a perspective view showmg a pair of devices applied to the jaws of a vise of ordinary construction; Fig. '2 1s a plan view of a pair of the devices with portions of the casing broken away to 7 show the relation of the equalizing mem,
portions 2 and sides 3 which are turned inwardly at their upper edges to form inwardly directed flanges 4 along each lon gitudinal edge of the casing. Within the casing are work-gripping blocks, 5 each shaped substantially like a triangular prism and each provided near its rear apex with lugs 6 adapted to engage the inner sides of the flanges 4 to prevent the blocks from dropping out of the casing. In the present embodiment of the invention, four such triangular blocks have been shown, but it will be understood that any desired number may be used according to the size of the device, and the number of equalizing surfaces desired.
Between the triangular blocks are actuating members, having a length approximately equal to the width of the casing so that they are held in place therein by the flanges 4. The actuating members or cams 7 8 and 9 which lie between ad acent tri- Patented N ov. 15, 1921.
angular blocks are formed with oppositely;
inclined faces as at 10 adapted to cooperate with the correspondinglyinclined hearing faces of the triangular blocks. The
actuating member 11 which engages the triangular block at one end of the device is formed with one inclinedface and a flat face 12 against which a screw 13 mounted in the corresponding end 2 of the casing is adapted to engage. At the other end of the device the end portion 2 is formed with an inclined face 14 adapted to cooperate with the corresponding face of the triangular block lying at this end of the device.
The working faces ofthe triangular blocks may be given any desired configuration to adapt them for particular purposes, For
instance, the block'at one end of the ap'p'aratus may be formed with a curved face, as at 15, provided with vertical serrations, thus constituting a gripping member which in cooperation with the corresponding member of a companion device, may be used for holding a circular rod or pipe, as shown in Fig. 1. Some or all of the other blocks of the device may be provided with horizontal, triangular grooves 16 for holding, in conjunct1onwith a companion device, a rod or tube in horizontal position. The portion of each face of these blocks lying above the grooves 16 may be provided with horizontal channels 17 to better adapt these blocks to hold an irregular-shaped object. As a further provision for increasing the utility of the device, one or more of the blocks may be provided with indentations, as shown at 18 for receiving the flat head of a screw which may be clamped between opposite blocks,
while another of the blocks may be provided with an indentation 19 adapted to receive the round head of a screw. It will be understood that the above formations of the working surfaces of the blocks are but typical of the many possible shapes which may be given them depending upon the purpose for which the device is to be used, and to adapt the device for holding finished work with- .out marring the same, the triangular blocks may be' faced with soft materlal such as copper, raw hide or the like.
For the purpose of holding the casing upon the jaw of a vise, there is attached to the casing a supporting member which is formed with an extension 20 preferably curved to correspond substantially to the curvature of the top of a visejaw. The
outer end of the extension is provided with ears 21 bent over to form bearings for the pivots of a weight 22, preferably formed with a curved lower face 23 to adapt it to conform to the curved, slopin to of a vise jaw, on which it rests when't e evice is in place. By ivoting the weight, as shown,
, .the adaptability of the attachment to vises of different shapes and sizes is increased, and the weight-also serves to more closel hold the casing of the device against the ace of the aw, andalso to counter-balance the weig t of the casing and the members mounted therein. In addition tothe above advantages, the provision of the simple weight avoids the use of tension springs, screws [or other fastening devices, all of which are more or less insecure, or are so arranged that they become a fixed part of a particular vise, thus, not possessing the adaptability of the present construction.
- As shown most clearly in Fig. 1, one side of the extens1on,20 is provided with a depending flange 24 which fits over the side of the vise jaw, and by providing only one of these flanges, the attachment may be other, the flanges 24 on two companiondevices are placed so that when the devices are in place on a vise, the flanges will engage corresponding ends of the vise jaws, thus permitting the two attachments to be quickly set in place and insuring that corresponding triangular blocks shall be disposed opposite each other. For further convenience, in manipulating the device, the screws 13 of companion attachments are arranged to come at the same end of the attachments when they are in place so that both screws may be conveniently manipulated from the same side ofthe vise. While the workgripping blocks 5 have been shown as triangular prisms, it should be understood that applicant does not intend to strictly limit himself to a block provided with plane faces as would be the case if the blocks '5 were true geometric prisms. The working faces of the blocks-may be serrated orindented as shown and the bearing faces could be varied from a strictly lane form.
W'hile one preferre embodiment of the invention has been shown. and described, it
will be understood that various changes in with aninwardly directed flange alon each longitudinal edge, and alurality 0 sub-' stantially triangular mem bers from the casing and provided w1th lugs at rotruding their inner ends adapted to engage the flanges to retain them within the casing, one of said triangular members being formed with a curve outer face having vertical serrations therein, and others of said mem hers being formed with flat outer faces having horizontal channels therein and also indentations to receive the heads ofscrews that may be held by the triangular memtriangular gripping block associated with one of the aws, and provided with a work gripping face and two bearing faces, said block being adapted for bodily and pivotal 2. In a vise, a pair of jaws,a substantially a movement relative to the jaw, thereby permitting said gripping face to assume positions n various non-parallel planes, cams engaging the bearing faces, and manually operated means-for actuating said cams.
' 3. In a vise, a pair of jaws, a plurality of triangular gripping blocks. associated with one of the jaws, each block being provided with a work gripping face and two bearing faces, cams placed between the gripneemoa ping blocks and engaging the bearing faces for permitting bodily and pivotal movement of said blocks relative to the jaw, thereby permitting the gripping faces of said blocks to lie in various non-parallel planes at relatively great angles with the direction of extent of said jaws.
4. In a vise, a pair of jaws, a plurality of triangular gripping blocks associated with one of the jaws, each of said blocks being mounted for pivotal and bodily movement relative to said jaw and provided with a work gripping face and two bearing faces,
cams placed between the gripping blocks and engaging the bearing faces, said gripping faces forming a substantially continuous gripping surface along the length of the vise, and manually operated means for actuating said cams.
5. In a vise, a pair of jaws, a hollow frame member carried by one of said jaws and comprising a plurality of cam members and triangular gripping blocks arranged alternately in said frame member, each of said gripping blocks being provided with a &
work gripping face and two bearing faces, and each of said cam members provided with two bearing faces and being narrower at thefront than at the rear, thereby permitting the gripping faces of said blocks to lie in close succession and form a substantially continuous gripping surface along the length of the vise.
6. In ,a vise, the combination of a pair of jaws and a plurality of gripping blocks independently associated with said jaws, said blocks being mounted for both pivotal and bodily movement relative to the jaws.
7. In a vise, the combination of a jaw, and a gripping block associated with said jaw having awork gripping face, said block being mounted for bodily movement substantially transverse to the direction of extent of said jaw and for pivotal movement about a vertical axis whereby said gripping face may assume positions in various nonparallel vertical planes.
In testimony whereof I affix my signature.
WALTER SCOTT DUVVELIUS.
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|U.S. Classification||269/267, 269/280, 269/268|
|International Classification||B25B1/00, B25B1/24|