Abstract: Rotary-pallet system, in particular for multi-directional machining of the pieces (8) to be machined. In the said system there is a body piece (2), one of whose ends (A) is attached to a holder, which said body piece is rotable around a longitudinal axis (A-B), and against whose longitudinal guide faces one or several pieces (8) to be machined can be positioned. One or several wedge pieces (3) can be attached to the edge of the guide face on the body (2), the wedge face on the said wedge piece being pressed towards a side of the piece (8) to be machined. A counter-face (4, 13) is provided at the opposite side of the piece to be machined. The wedge piece (3) can be attached to the body (2) by means of a fastening member (1), which is directed in such a way diagonally that the direction of the fastening movement of the wedge piece approaches both the body (2) and the piece (8) to be machined at the same time.

Abstract: A dowelling jig having provision for simultaneously clamping workpieces in which dowels are to be inserted, wherein the jig comprises a pair of movable clamping elements, movable toward and from a stationary element, and arranged for uniform movement in that manner by a screw member which causes the clamping action to be effected simultaneously with each of at least two workpieces, the elements being connected by links which in turn provide for drilling in guides at the ends thereof, the drill guides being movable on axes which are maintained in alignment by the linkage arrangement thereof, the links causing parallel, simultaneous movement of the drill guide means whereby the drilling for dowels is uniformly spaced in each workpiece.

Abstract: An improved vise has two sets of clamping jaws. Two fixed jaws are on a fixed body and two sliding jaws are supported by a sliding body and driven simultaneously in the same direction by one threaded shaft. Each sliding jaw is paired with a fixed jaw and the fixed jaws are located between the sliding jaws. Each pair of jaws may be located in a different plane from the other pair of jaws. The second jaw pair includes a sliding jaw formed as a circumferential jaw in a horizontal plane permitting an object to be clamped vertically. Further, a third sliding jaw/fixed jaw pair may be located adjacent to the first jaw pair and may include a multiple-stepped pipe clamp claw capable of clamping pipe of various diameters. In a second embodiment, the sliding jaws are located between the fixed jaws.

Abstract: A ski holder includes:(a) rotatable jaws having first generally longitudinally extending axis of rotation,(b) two supports for the jaws having sockets in which the jaws are rotatable about the axes,(c) the supports located for relative movement so that when a ski is placed between the jaws with its opposite sides positioned to be gripped thereby, the jaws rotatably accomodate to said ski sides as the jaws are relatively closed toward said sides.

Abstract: Apparatus for adjusting the plate segment of an off-set lithographic printing machine drum relative to the drum has first and second blocks, each of which has a threaded bore for receiving the threads of a differential screw. One of the blocks is fastened to the frame of the drum while the other block is moveable on the screw relative to the first block. The threads of the bore in the moveable block have a smaller pitch than the threads in the bore of the fixed block so that the moveable block may be moved in controlled amounts toward and away from the fixed block. The blocks are disposed within a circumferential slot formed on a peripheral edge of the plate segment and as the screw is turned the moveable block acts against an edge of the slot to rotate the plate segment relatively to the drum. A clamp is provided for securing the blocks to the plate segment in adjusted positions.

Abstract: Described is a fixture for glass-bonding a digital magnetic recording slider workpiece (the component parts thereof), while holding them carefully aligned. In one preferred embodiment this fixture includes a slot for receiving a number of such work pieces in pre-assembled form registering and aligning them together and providing retainer means individually for each work piece adapted to resiliently and selectively engage each work piece and hold it positively in careful precise alignment while glass bonding and related operations carried out on the array of multiple work pieces so-aligned and retained.

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: A packagable workbench comprises work surfaces (1) and (1a) separated by slot (2). A sliding member (22) can be moved lengthwise and locked or unlocked on the work surface (1a) to form a positional stop opposite a pivotable force-applying tool (52). Said sliding member (22) also has exchangable fittings for tightly securing and clamping workpieces when force is applied by the force tool (52). The work surface is supported by legs (3) to which fixtures (7) can be attached for supporting a tool deck (8) and bi-sliding drawers (18) for tools and one end of stay rods (10). The legs (3) also provide vertical posts for mounting adjustable sawhorse supports (64) and plank (61). Further the work surface (1) supports a screw press (68) by tension rods (76) attached thereto for pressure applications in combination or separate. The work surface (1) also provides a fixed stop (19) removably attached to work surface (1) for along-the-bench clamping of workpieces by pressure applied from the force tool (52) when pivoted.

Abstract: Apparatus for clamping one string of a three or more direction oriented string network of a game racket held in a support fixture, to that support fixture. The apparatus includes a pair of jaws adapted to be selectively biased against the string-to-be-clamped in the string network. The jaws include a portion adapted for extension through the openings between the strings of the network, including a plurality of teeth defined by inter-tooth grooves having angular orientations and spacings matching the angular orientations and spacings of the strings crossing the string-to-be-clamped in the network. In another form, an apparatus for selectively clamping two adjacent parallel strings of a three or more direction oriented string network in a game racket includes two pairs of jaws adapted for clamping the two strings.

Abstract: A vee block clamp is provided intended chiefly to hold items having a curved outer surface. The clamp comprises a plurality of clamping blocks with oppositely facing inclined edges cooperating to define a vee shaped support surface. The dimensions of the support surface are adjusted according to the size of the item to be supported by longitudinally sliding the clamping blocks toward and away from each other. The clamping blocks are constrained for horizontal sliding motion only so that the blocks are prevented from rotating relative to each other.

Abstract: A stile clamp provided with a first clamp manually operable to hold a rail against a base, and a second clamp operable in a direction perpendicular to that of the first clamp to force a stile against the held rail. The first clamp and the base have mutually perpendicular surfaces, which facilitate proper orientation of the rail and the stile before operation of the clamps fixes their positions.

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: 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: A workpiece supporting and clamping arrangement includes supporting structure defining a supporting surface. A first top member having an upper surface is supported by the supporting structure on the supporting surface. A second top member likewise has an upper surface and both upper surfaces lie in a substantially horizontal plane. The top members also have respective mutually adjacent side walls defining clamping surfaces. A guiding structure is provided for guiding the second top member relative to the supporting structure. The second top member can be moved along the guiding structure so as to adjust the position of the second top member with respect to the first top member.

Abstract: A clamp comprising a jaw assembly of three coacting work grippers connected to a plate provided with slots which guide the jaws so that they may be relatively arrayed and adjusted for various sizes of work pieces to be held at right angles for gluing or fastening; a left and right threaded actuating and locking screw for the two L-shaped jaws, and a separate identical screw for the third common jaw which they oppose; each jaw separately positionable manually; the two L-shaped jaws laterally in one slot set, the common rear jaw transversely in the same plane, back and forth, in three transverse slots in the plate; with shoulders to stabilize the lateral movement of the L-shaped jaws, and with a pilot mounted on rollers in the transverse slot to stabilize positioning of the rear jaw; provided with a pivoted eccentric cam in one model for the actuating and locking; and in another model a cam on end, pivoted with a hand lever with cam acting in a slot.

Abstract: A portable workbench has a supporting structure defining a supporting surface. The supporting structure includes a collapsible leg assembly for supporting the supporting surface above a floor surface. A first top member having an upper surface is supported by the supporting structure on the supporting surface. A second top member likewise has an upper surface and the upper surfaces lie in a substantially horizontal plane. The top members also have respective mutually adjacent side walls defining clamping surfaces. A guiding structure is provided for guiding the second top member relative to the supporting structure. The second top member can be moved along the guiding structure so as to adjust the position of the second top member with respect to the first top member.

Abstract: A three-way vise of this invention includes a pair of workpiece clamping jaws mounted on a frame in substantially perpendicular relation to one another, and a pivotable clamping jaw is supported on the frame for applying a clamping force onto the workpiece in a direction angularly inclined to the other jaws. An adjustable jaw pressing device is provided for selectively urging the pivotable clamping jaw into engagement with the workpiece with increased clamping force after the three jaws are initially engaged with the workpiece.

Abstract: A clamping device adapted for use in combination with a vise to maintain a workpiece in fixed relation to the vise when being worked on. The clamping device includes a plate member which is forced downwardly on the workpiece which is being held between the jaws of the vise. The plate member is threadedly mounted to the opposing vise jaws through a pair of transversely opposed screw members. A pair of thumbscrews or lock washers threadedly engage the screw members and interface with an upper surface of the plate member to force it against the captured workpiece.

Abstract: A versatile portable workholder can be used as a vise, a V-block and a drill jig for holding different sized and shaped workpieces. The workholder includes a vise comprising two jaw pieces actuated by a screw member. A clamp can be clamped in the vise and includes a second screw member for clamping a workpiece between the clamp and the vise. A stop member is connectible to the vise for positioning or locating a workpiece relative thereto. The second screw member has a bore and serves as a drill bushing.