Abstract: A jaw assembly is provided for gripping tubular members, particularly pipes. The assembly comprises a jaw member, which is attachable to a conventional gripping mechanism, and a removable die which is attachable to the jaw member. The jaw member is provided with a concave surface having parallel grooves which are radially spaced over the concave surface. The die is provided with a convex surface conforming to the curvature of the concave surface of the jaw member. The convex surface of the die is provided with splines which are alignable with and matingly insertable within the grooves on the jaw member. The die is also provided with a concave surface conforming to the radial curvature of the pipe or other tubular member to be gripped.

Abstract: A scissors corrugating device comprising an elongate corrugating file, an upper guide attached to the file at an upper end, a lower guide attached to the file at a lower end, a frame for supporting the guides, and a vise attached to the frame and including clamping jaws tooled to firmly hold a scissors' blade vertically and at various angles beneath the file. The lower guide moves linearly in slots formed in the frame in a path which is substantially parallel to the beveled edge of the clamped scissors' blade, and the upper guide moves within a second pair of slots formed in the frame along a path which is at an angle to the path of the lower guide. With each stroke of the file across the beveled edge of a clamped scissors' blade, the paths cause the guides and file to travel across the beveled edge and downwardly to score corrugations evenly, with repeatability along the beveled edge, and provide an improved mechanical advantage.

Abstract: A workbench having a pair of vise assemblies mounted on a frame with each vise assembly having a movable jaw and a fixed jaw, wherein one vise assembly is operable with a lead screw to move towards and away from the other vise assembly which is fixed and arranged parallel to the movable vise assembly. Each movable jaw is operable with a screw threaded rod to move towards and away from each corresponding fixed jaw, and is capable of swivelling so as to enable the clamping of an irregularly shaped workpiece between the fixed and movable jaws. The pair of vise assemblies with their frame are mounted on a collapsible supporting structure which may be folded when not in use.

Abstract: Disclosed is a fluid actuated core sample holding device for use with a boring drill press, the holding device having rotatable vise jaws and flat support surfaces adjacent the respective jaws and containing removable holding pins. The rotatable jaws permit a greater versatility in the positioning of core samples held between them relative to the drill press, while the flat support surfaces and associated holding pins serve to hold flat or irregularly shaped core samples, not easily held by the jaws, for boring.

Abstract: The device comprises a generally L-shaped angle plate or base plate bearing a first jaw on the shorter leg of the "L", fixing plates and a slider capable of being shifted along the base plate and bearing a second jaw. The base plate is fixed at three points to fixing plates and is adjustable with respect to the fixing plates by means of vertical adjusting screws mounted in the base plate and acting upon supports movably resting against the fixing plates. Side or lateral adjusting screws acting against a pin attached to one of the fixing plates permit the base plate to effect a limited angular displacement about a ball disposed in the region of the base plate defined by the intersection of the legs of the "L". The device permits an accurate positioning and orientation of a workpiece relative to the wire of a spark erosion machine and to the direction of this wire in its working position.

Abstract: A workbench (1) has a removable vise (3) and a workplate (5) separate from the vise and provided with apertures (6) for clamping elements. A jaw assembly (15) having a fixed vise jaw (16) and likewise a jaw assembly (17) equipped with an adjustable jaw (18) can be screwed onto a vise base (14) so as to resist all twisting forces. The screw fastenings (28 to 30) are such that they can also serve to attach the jaw assemblies to the workplate (5), using the apertures (6) in the latter for that purpose. The vise as a whole can be mounted in a rotary seat (2) where its mandrel (13) can be clamped at different levels and rotary positions, with the further possibility of having the rotary position fixed in the lowest position of the vise in a manner suitable for maintaining parallelism with another rotary vise similarly mounted (not shown in figure).

Abstract: Adjustable pipe clamp holders may be fixedly positioned within existing apertures on the work surface of a workbench. The holders are designed for locking engagement with pipe clamps so as to lock the pipe clamps to the workbench. Through the adjustable rotatable positioning of the clamp holders in certain selected apertures, the pipe clamps may be securely locked in any desired angular position on the workbench, thus to facilitate the desired positioning of a workpiece within the jaws of the pipe clamp.

Abstract: An adjustable collet is provided comprising a step collet, a plurality of machinable and removable jaws, and means for interlocking the jaws with the step collet. The interlocking means comprise counter-bored and threaded holes spaced on the face of the collet, and hollow bosses projecting from one surface of the jaws and aligned with counter-bored or counter-sunk holes on the opposite surface, the interlocking means being effected by mating the jaw bosses with the holes in the collet face and by engaging screws passing through the holes and bosses in the jaws to the threaded holes in the collet face. To further increase the capacity of the collet, extension bars are utilized that incorporate the above-described interlocking means.

Abstract: A vise including two jaws at least one of which has a gripping element with a plurality of different gripping faces, with that gripping element being adapted to be turned to different positions in which different ones of those faces are engageable in gripping relation with a workpiece. The gripping element is desirably square in cross-section to present four different work contacting faces, and preferably is retained by connections at opposite ends of the gripping element including clamps for releasably holding the gripping element in active condition.

Abstract: A vise having readily interchangeablee jaw members for holding a variety of types of workpieces, wherein a jaw member having a working surface adapted for holding a workpiece is slideably engaged to each jaw of the vise, enabling a workman to easily install a selected jaw member having the proper working surface for holding a particular workpiece. A support block on each jaw of the vise has a pair of vertically extending ribs and a horizontally extending ledge of the bottom of the support block. The jaw member includes a pair of L-shaped locking arms adapted for slidable engagement over the ribs of the support block, so that a jaw member may be installed by engaging the locking arms of the jaw member with the ribs of the support block and sliding the jaw member downwardly to stop against the horizontal ledge of the support block.

Abstract: An accessory apparatus for vises utilize a pair of accessory members, one of which has a Z-shaped cross-section and means to removeably secure the Z-shaped cross-section to the stationary nonmoveable portion of the vise. The other accessory member is provided having a Z-shaped cross-section and means to secure the other accessory member to the moveable portion of the vise. The Z-shaped cross-section is configured to have its central region residing on the uppermost portion of the vise. One leg of each of the Z-shaped cross-shaped sections, protruding upwardly from the vise are provided having a pair of removeably jaws secured thereto. A plate may be removeably secured to the uppermost surface of the Z-shaped cross-section secured to the moveable portion of the vise, having one end configured to accommodate the pair of plates secured to the upstanding leg of such Z-shaped cross-section. The other end of the plate is similarly provided having two plates secured thereto.

Abstract: A portable workbench including a pair of front legs and a pair of rear legs, with a support extending between the legs. A pair of beams extends laterally across the support and provides a work surface. The pair of beams and the support are adjustable to permit the beams to be positioned at a plurality of predetermined spacings relative to each other. Each of the beams has a plurality of spaced vertical axis apertures extending therethrough. A vise member having a mounting shaft extending therefrom which is proportioned to be received through one of the vertical apertures is also provided, the vise including a stationary jaw and a movable jaw together with a screw which extends between the stationary and the movable jaws for moving the movable jaw toward and away from the stationary jaw.

Abstract: A vise jaw assembly interchangeable with conventional jaws for precision vises commonly used for holding a workpiece in relation to a cutting tool such as the milling tool of a milling machine. The assembly includes a rotateable or inclineable platform for supporting the workpiece at a selected angle precisely controlled by an indexed rotator protruding through a window on the top surface of the jaw and connected to the platform by means of a shaft extending beyond the face of the jaw toward the opposing jaw.

Abstract: There is disclosed a workbench apparatus intended to enable, at specialized workshop, the servicing of mechanical apparata in general, in particular Diesel engine injection pumps. The apparatus, which is easily operable by any skilled operator and enables the supported members to be positioned as desired through simple and reliable members and controls, comprises a clamping device carried rotatably by a base and having snap-action positioning members, and connection elements including both insertion members in form of pins insertable into seats of the clamping device, and supporting members fixedly engageable with the pump or the like to be worked on. The seats are partially open laterally and the pins are clamped in the seats by clamping members engaging the pins at the points where the seats are open.

Abstract: A valve spring compressor tool having a quick-change arrangement for replacement of jaws thereon. The compressor tool is a generally c-shaped structure having lower legs adapted to receive a set of jaws for engaging an automotive rocker spring or the like. The jaws comprise inwardly facing channel sections adapted to slide over the free ends of the frame legs and to be secured in place by releasable clamp members, secured by attachment screws. The jaws include a threaded spacer screw for changing the spacing to a accommodate various sizes of washers, valve seats, springs and the like.

Abstract: A self-centering fixture makes use of an air actuated motor which is drivingly rotated in one direction. The fixture has a pair of levers pivoted to a base. As the motor is actuated, a cam positioned between the longer arms of each lever rotates and acts to move the longer arms apart. Thus, on the other side of the pivot, jaws on the shorter arms move towards one another to grasp the workpiece. The workpiece is released by reversely activating the motor. Since the cam is counteracted by springs which pull the long ends together, the jaws open.

Abstract: A miter box comprising a base having a flat top surface and opposed parallel elongated side edges. A pair of spaced apart side walls extend from at least one of the side edges transversely above the flat top surface. The side walls have a flat inner surface to form right angle walls with the flat top surface. A saw blade guide mechanism is provided between the pairs of side walls. The mechanism comprises an arcuate guide means adjacent each of the side edges intermediate the pair of side walls and disposed on a circular axis having a common center point. The guide means have a diametrical pivotal base member pivotally secured on the center point below the flat top surface. Support guide means is secured to the pivotal base member and extends transversely above the flat top surface and displaceable along an arcuate path between each pair of side walls.

Abstract: A vise-like C-clamp with adjusting screw and wherein two elongated square bars are fixedly attached to one jaw thereof and the clamping end of the adjusting screw whereby a pair of gripping heads may be selected from a group of variously shaped heads and oppositely and interchangeably arranged on each of the bars. The clamp may be hand held or adjustably mounted in a supporting base for gripping and positioning variously shaped work pieces in horizontal, vertical, and angularly held positions while work is performed thereon.

Abstract: A device for clamping or forceful engagement. Top and bottom casing members are maintained in restricted movable engagement with each other. Received within the casing members are a plurality of balls, arranged in layers. Certain of the balls are spring-biased to urge the top and bottom casing members away from each other. In one embodiment of the invention, certain of the balls protrude through the top casing member and adapt to clamp objects of varying geometrical configurations. As forceful engagement is attained, the balls of the device compress and interlock with each other. In another embodiment of the invention, the top casing is without holes and the apparatus may then be used to achieve forceful engagement with an angled surface such as in a clutch mechanism.

Abstract: Mounted upon the lower jaws of a gripping and manipulating tool is an obtuse-angled adapter plate to which is secured an adjustable work positioner including a stationary work-positioning V-block and a relatively movable work-positioning block provided with a work-holding recess consisting of a notch shaped to fit the edge of the workpiece to be contour ground. The stationary V-block contains a right-angled recess which is shaped to fit and become coaxially centered with respect to a centering portion of rectangular cross-section coaxial with the work-holding spindle of the contour work-turning machine such as a contour grinder. A fastener is provided for clamping the adjustable block to the stationary block and passes through a vertical slot in the adjustable block into a threaded bore in the stationary block.

Abstract: An improved workpiece support arrangement is described having a vise including first and second jaw members, demountable first auxiliary support bodies rotatably supported on said jaws and demountable second auxiliary workpiece gripping bodies demountably supported on said first auxiliary bodies.

Abstract: A bar type jack having first and second pipes of suitable length each threaded at at least one end thereof. The first pipe is substantially longer than the second pipe and has a first jaw member slidable therealong for quick positioning and lockable at any position. A mounting bracket having a threaded bore extending from one face thereof to and through an opposite face interconnects the first and second pipes. A second jaw member is slidable along the second pipe and movable by rotating a threaded rod that extends through an additional threaded bore in the bracket. A handle is swingably connected to one end of the threaded rod for use in rotating the rod. Removable jaw attachments are provided and so shaped as to permit jacking one member relative to another when the members to be jacked apart are located closely adjacent one another.

Abstract: A toe-nailing clamping tool that securely holds wood structural framing members in a fixed relationship to facilitate joining the members with increased accuracy and efficiency so as to provide increased strength. The tool is formed by a pair of oppositely disposed substantially L-shaped opposing jaws, each jaw being substantially L-shaped in cross-section and having barbed opposing surfaces. The jaws are supported in the fixed or detachable relationship by a pair of substantially C-shaped arms attached to plier-like handles of a leverage advantage locking plier, such that when the handles are squeezed together, the opposing jaws are locked into abutting contact with the wood structural framing members to permit accurate, efficient and structurally effective toe-nailing.

Abstract: The invention is directed to a foldable, portable workbench having a work table and a support structure for supporting the work table. The support structure includes a pair of mutually spaced leg assemblies and each of these leg assemblies, in turn, includes a pair of legs pivotally connected at one end thereof to the work table. Articulated linkages pivotally interconnect, respectively, the two legs of each pair of legs to each other and at least one of the legs to the work table. The articulating linkages are connected so that the work table and leg structures are stacked in juxtaposition to each other when the workbench is in its folded position and, so that the other ends of the leg structures are spread apart from each other with the work table substantially transverse to the leg structures when the workbench is in the erected position.

Abstract: A mechanical concentric support device for use on machine tools such as lathes, precision grinders and the like, for either internal or external engagement of the workpiece by radially extensible support shafts driven by a scroll mechanism. The key connection for the scroll mechanism is located on one of the circular faces of the device to permit close-fitting internal support of cylindric workpieces, and adapters are shown for both internal and external gripping of workpieces of a wide range of diameters both larger and smaller than the diameter of the support device.

Abstract: An improved arrangement for mounting an auxiliary workpiece support body to a workpiece support device includes a restraining means for selectively inhibiting and enabling motion of the auxiliary support body in the direction of a longitudinal axis while simultaneously enabling rotation of the body about the axis. The auxiliary support body includes a means for restraining jaw cladding bodies of different thicknesses on a workpiece support device and permitting rotary motion of the support body.

Abstract: A workbench includes a top structure and a supporting structure for supporting the top structure above the floor. The top structure includes a three part vice, one part being a first elongate vice member and the second and third parts together forming a second elongate vice member extending in side-by-side relationship with the first elongate vice member, the two elongate vice members having opposed clamping faces. A first vice operating arrangement causes movement of the clamping face of at least one vice member towards and away from the clamping face of the other vice member. A second vice operating arrangement causes relative movement of the second and third parts in a direction parallel to the direction of elongation of the vice members to permit clamping of objects between opposed further clamping faces of the second and third parts.

Abstract: There is disclosed a vise for use in a vertical milling machine or the like wherein the inner sides of master jaws releasably attached to the inner sides of the locking jaws of the vise are provided with dovetail grooves in which dovetails on the outer side of soft jaws or hard jaws may be releasably clamped.

Abstract: A worktable adapted to be mounted to the surface of an auxiliary support structure is disclosed having means for selectably orientating a worktable surface to enable a gripped work piece to be positioned at different attitudes.

Abstract: A vise is provided to assist in performing various watch repair and maintenance functions and includes a pair of jaws having generally planar and parallel opposing surfaces. The jaws are supported for guided relative movement toward and away from each other along a path disposed substantially normal to the opposing surfaces thereof. The jaws include cylindrical recesses opening outwardly of the opposing surfaces and disposed substantially normal thereto. The opposing jaw surfaces have thin panel members secured thereover constructed of shape retentive, stiff but slightly deformably resilient material and the panel members include circular openings therein substantially coaxial with and of the same diameter as the recesses. A thin circular watch case may be clamped between the jaws with four spaced surface areas of diametrically opposite portions of the watch case engaged by correspondingly spaced portions of marginal portions of the stiff panel members defining the aforementioned circular openings.

Abstract: A clamping device for simultaneously holding a plurality of workpieces is provided and includes a pair of movable jaws which hold the workpieces against an integral fixed jaw having bearing faces directed toward each movable jaw. The device is lightweight and includes work engaging supports remote from the fixed jaw to facilitate orienting the device in any desired position on the work. An indexable anvil can be disposed over the fixed jaw to accommodate irregularly shaped workpieces, and an alternative embodiment of the device is arranged to hold the workpieces at any desired angle with respect to one another.

Abstract: Vise jaws are mounted on supporting jaw structures by interfitting dovetail formations which taper to draw the jaws into tight-fitting engagement with their supporting jaw structures while also serving to accurately position and orient the jaws relative to their supporting jaw structures. The jaw mounting system utilizing these interfitting dovetail formations is particularly well adapted for use on a fluid-operated vise of a modular type. The preferred vise construction includes an elongate base structure having a generally rectangular top surface with an elongate undercut groove formed in the base structure and opening through the top surface. The jaw structures are supported on the top surface and are movably positionable therealong. In preferred practice, one of the jaw structures includes a fluid-operated movable component. This component and the other jaw structures are each provided with a jaw mounting surface.

Abstract: A machine vise is provided comprising a body, a fixed jaw at one end which is adaptable for accomodating irregularly shaped workpieces, a movable jaw mounted on the body and slidable toward and away from the fixed jaw, a cam for urging the movable jaw into gripping relation with a workpiece disposed between the jaws and a pair of wedge elements for locking the cam in a fixed longitudinal position with respect to the body.

Abstract: An accessary apparatus for vises utilizes a pair of accessory members, one of which has a Z shaped cross-section and means to removably secure the Z shaped cross-section to the stationary non movable portion of the vise. The other accessary member is provided having an L-shaped portion and means to secure the other accessary member to the movable portion of the vise. The L-shaped access member is adapted to have one leg thereof reside on the uppermost portion of the vise. The uppermost surface of the leg of the L-shaped member is provided with a pair of notches adapted to slidably lockingly engage a bar therewithin. The Z shaped member has an upwardly protruding leg extending parallel to the clamping face of the stationary member of the vise. Work is clamped between the upwardly extending leg of the Z shaped member and a surface of the bar when engaged within the notch. Thus, the work piece hangs over a portion of the stationary member and a portion of the movable member of the vise.

Abstract: A workpiece supporting and clamping assembly includes a generally rigid base frame including a spaced apart parallel pair of elongated frame members having a pair of elongated top members mounted on the spaced apart frame members and extending generally transversely thereto. The top members have upper work supporting surfaces lying in a common plane and longitudinally extending opposed side portions defining clamping surfaces. Extensible and retractable clamping means are interconnected between the base frame and one of the top members for moving the latter along the frame members toward or away from the other top member to provide for clamping of the workpiece between the top members. The other top member is indexable along the elongated frame members to any one of a plurality of selected positions thereby to accommodate varying sizes of workpieces.