Abstract: A guard for structural members is disclosed. It can reduce worker injury with a thin sheet metal or plastic, broadly U-shaped guard plate attached to a structural support through attachment to a pair of clamps, each with a primary and a secondary threaded clamp mechanism. The attachment between the guard plate and pair of clamps may be via a slotted intermediate structure. The primary mechanism has a swivel pad end while the secondary clamps have a pointed, cone-shaped end. is the guard can be used in wind turbine towers to protect workers on a fixed ladder from hitting interior flanges as they climb up and as they climb down.

Abstract: A pressure-adjusting apparatus for vise including a bolt and a pressure-adjusting element is provided. The bolt having a plurality of positioning holes is adapted for connecting to a vise. The pressure-adjusting element is sleeved onto the bolt movably. The distance between the pressure-adjusting element and the vise can be changed by moving the pressure-adjusting element so as to adjust the clamping force of the vise. A positioning member of the pressure-adjusting element is stocked in one of the positioning holes when the pressure-adjusting element is moving so that the pressure-adjusting element can be fixed at a preset location. Thus, the pressure-adjusting apparatus for vise of the present invention is more convenient for pressure adjustment.

Abstract: A locking means for a bit holder fixture for use with grinding apparatus for grinding the hard metal inserts of rock drill bits is provided. The locking means has a macro adjustment for quick positioning of a pressure plate against the body of the bit(s) and a micro adjustment to lock the bit(s) in place by applying pressure against the skirt or shank of the drill bit(s).

Abstract: An optical lens clamping apparatus for clamping an optical lens is provided. The clamping apparatus includes a base, a clamping portion positioned on the base, and an engaging block. The clamping portion includes two clamping arms rotatably connected to the base. Each clamping portion includes a clamping section and an adjusting section connected to the clamping section. The adjusting section and the clamping section form an obtuse angle therebetween. The clamping sections of the clamping arms are positioned substantially parallel to each other and are spaced a predetermined distance from each other. The adjusting sections of the clamping arms form a predetermined angle therebetween. The engaging block moves relative to the clamping portion to adjust an angle between the adjusting sections, so that the clamping sections clamp or release the optical lens.

Abstract: A tooling fixture that provides a self-centering vise to hold a work piece is described. The design provides a means to allow a centering adjustment of the clamping surfaces that is integrated into the central support structure for the threaded spindle.

Abstract: An instant clamping mechanism includes a supporting member, a base seat, a clamping assembly and a handle assembly. The base seat is assembled to the supporting member and defines a sliding groove, the sliding groove includes a releasing end and a latching end, an axial distance within the base seat is defined from the latching end to the releasing end. The clamping assembly extends through the base seat and the supporting member and is partially exposed out from the supporting member. The handle assembly extends into the sliding groove and is partially exposed out from the base seat. The handle assembly is non-rotatably connected to the clamping assembly and is capable of sliding from the releasing end to the latching end to move the clamping assembly axially within the base seat, thereby clamping the workpiece on the supporting member.

Abstract: A quick clamp includes a first jaw, a second jaw, a crank, an operating handle, a shaft assembly and a slide rail. The crank is arranged in a cover plate of the second jaw with the operating handle rotatably screwed to an upper end of the crank, the shaft assembly connected to a through bore formed at a middle portion of the crank and the slide rail extended through a slide rail slot formed near a lower end of the crank. By turning the operating handle in one direction, the crank is brought to pivot with the slide rail slot thereof becoming inclined to press against the slide rail, so that the slide rail is stopped from moving relative to the second jaw. When the operating handle is turned reversely, the slide rail is released, and the second jaw is movable along the slide rail.

Abstract: The invention relates to a device comprising a base plate and a support for adjusting the height of an assembly, in particular of a galley module in an aircraft, without using tools. According to the invention, two opposing wedge bodies are arranged such that they can be displaced horizontally between the base plate and the support, the oppositely directed manual displacement of the two wedge bodies, when the lock levers have been raised, causes in the “adjusting position” a raising or lowering of the support for the height adjustment. The assembly is connected to the support, for example by a conventional screw connection through the attachment hole in the support. The device according to the invention allows a user to perform a simple and rapid height adjustment of an assembly arranged thereon, thereby greatly reducing the assembly effort required for prefabricated assemblies or modules in aircraft.

Abstract: A clamp is provided, having a slide rail, a fixed arm fastened to the slide rail and on which a first abutment surface for a workpiece is arranged, a sliding arm displaceable on the slide rail, and a housing arrangement, on which are held a first bearing device and a second bearing device, by means of which the housing arrangement is guided on the slide rail. The sliding arm is positioned between the first and second bearing devices. A second abutment surface for a workpiece is arranged on the housing arrangement and faces the first abutment surface. A force application device is held on the sliding arm and acts on a pressure piece held on the housing arrangement. The housing arrangement has a first housing part with a housing interior having an opening. The sliding arm is brought into the housing interior through the opening during production of the clamp.

Abstract: The present invention provides a positioning and pressing device, a pressing device and a tool for auxiliary machining of motor train underframe, the positioning and pressing device comprises a crossbeam, two supporting frames, two rotary vertical pressing structures, a lateral positioning structure, a lateral holding structure and two adjustable intermediate supporting structures; the two supporting frames are mounted in sliding manner on two sides of the upper surface of the crossbeam; the two rotary vertical pressing structures are respectively mounted on the tops of the two supporting frames; the lateral positioning structure is mounted on the side of one of the two supporting frames; the lateral holding structure is mounted on the side of the other one of the two supporting frames; and the two adjustable intermediate supporting structures are mounted on the upper surface of the crossbeam and between the two supporting frames.

Abstract: The invention relates to a steady rest for clamping and/or for holding a workpiece (W) on a machine tool, comprising three holding members (3, 4, 5) mounted in a housing (2) and displaceable in a common plane, two of which are designed as two-armed levers pivotably supported in the housing (2), and the central holding member (5) is guided in a straight line. The two outer holding members (3, 4) are kinematically connected respectively to the central holding member (5) via an angle lever (10, 11) so that with an opening movement of the central holding member (5) the outer holding members (3, 4) are pivoted apart from one another. The angle levers (10, 11) are linked rotatably onto the central holding member (5), respectively the one leg of the angle levers (10, 11) being connected to the associated outer holding member (3, 4), and the other leg being connected to the housing (2) by means of gate/pin arrangements.

Abstract: An embodiment of the present invention is directed to a jig for holding a workpiece using forces provided by a clamp having a first clamping member, a second clamping member, and a connecting member operable for moving the first clamping member relative to the second clamping member. The jig includes an elongated base member and an elongated support member extending upward from the base member. The support member has a clamp engagement surface for engaging the first clamping member of the clamp, a generally vertically oriented upper surface disposed opposite of the clamp engagement surface for engaging a lateral side of the workpiece, a generally horizontally oriented support surface extending from the support member disposed below the upper surface for engaging a bottom side of the workpiece, and an aperture sized and arranged to accept the connecting member of the clamp.

Abstract: The present invention provides methods and devices for clamping components of a workpiece together. In one exemplary embodiment, the invention provides a bar clamp assembly including a guide rail extending along an axis between a first end and a second end. The bar clamp assembly also includes a slide jaw disposed along the guide rail having a first abutment surface and a first support surface and a fixed jaw attached to the guide rail having a second abutment surface and a second support surface. The clamp assembly further includes a compress mechanism disposed with the slide jaw. The compress mechanism includes a moveable member configured to move the first abutment surface towards the second abutment surface. The first and second support surfaces extend generally perpendicular to the first and second abutment surfaces and provide reactionary force to compressive forces applied perpendicular to the guide rail axis.

Abstract: The holding device according to the invention for the sheet end 12 of a material web wound up to form a coil 1, which material web is received on a carrying shaft 44, comprises a clamping bar 34 on which several clamping pieces 35 are arranged so as to be displaceable and fixable along the longitudinal axis of the clamping bar 34, which is supported on the ends of the carrying shaft 44 by clamping and guiding units 36 via bearing pieces 45 and exerts a contact pressure between the bottom side of the sheet end 12 and the penultimate layer of the coil 1 and between the top side of the sheet end 12 and the clamping pieces 35, which contact pressure, together with the frictional forces resulting therefrom, secures the sheet end 12.

Abstract: The invention relates to a steady rest for clamping and/or for holding a workpiece (W) on a machine tool, comprising three holding members (3, 4, 5) mounted in a housing (2) and displaceable in a common plane, two of which are designed as two-armed levers pivotably supported in the housing (2), and the central holding member (5) is guided in a straight line. The two outer holding members (3, 4) are kinematically connected respectively to the central holding member (5) via an angle lever (10, 11) so that with an opening movement of the central holding member (5) the outer holding members (3, 4) are pivoted apart from one another. The angle levers (10, 11) are linked rotatably onto the central holding member (5), respectively the one leg of the angle levers (10, 11) being connected to the associated outer holding member (3, 4), and the other leg being connected to the housing (2) by means of gate/pin arrangements.

Abstract: A C-clamp with an expeditious adjustment feature. The C-clamp comprises a C-frame having a seat pad and a hole at its either ends. A cylinder is to be received within the hole; the cylinder in turn carrying a clamp rod, which is used for pressing a work piece against the seat pad. The cylinder and the hole permit the clamp rod both to be rotated and to be freely pushed through the cylinder against the seat pad.

Abstract: A clamp is provided, comprising a slide rail, a fixed arm, which is fastened to the slide rail and on which a first abutment surface for a workpiece is arranged, a sliding arm, which is displaceable on the slide rail, a housing arrangement, on which are held a first bearing device and a second bearing device spaced from the first bearing device, by means of which the housing arrangement is displaceably guided on the slide rail, wherein the sliding arm is positioned between the first bearing device and the second bearing device, wherein there is arranged on the housing arrangement a second abutment surface for a workpiece, the second abutment surface facing the first abutment surface, wherein a force application device is provided, which is held on the sliding arm and which acts on a pressure piece which is held on the housing arrangement, wherein the housing arrangement has a first housing part with a housing interior having an opening, which faces the first abutment surface and by means of which the sliding

Abstract: A clamp including at least one clamping element (e.g., clamping jaw, clamping strap, etc.) and a hand-operated actuator operative to move the clamping element in a clamping direction, and a clamping force sensor in operative connection with the clamping element.

Abstract: Tool having a body and at least one jamb-securing finger can be used to install a pre-hung door. The body can be removably attached to a building component about a door opening such as a 2×4, with the finger(s) for holding a jamb component of the pre-hung door. The tool may be intrinsically adjustable. A kit may include the tool, a fastener and/or a spacer.

Abstract: A clamp (1) including at least one clamping element (18) (e.g., clamping jaw, clamping strap, etc.) and a hand-operated actuator operative to move the clamping element (18) in a clamping direction, and a clamping force sensor (26) in operative connection with the clamping element (18). The clamping force sensor (26) may be in operative connection with a clamping force indicator (32), which may be mounted on the clamp (1) or in remote communication with the clamp force sensor (26).

Abstract: A device for a clamping tool for applying pressure to a workpiece is provided, comprising a contacting area for a workpiece, a holding head locating space for a holding head of the clamping tool, and at least one locking element for fixing the holding head in the holding head locating space, which said locking element is arranged in a locking element locating space and must be passed through by the holding head, wherein the at least one locking element and the locking element locating space are formed in such a manner that the amount of force required to pass through the at least one locking element in the direction of insertion of the holding head into the holding head locating space is smaller than the amount of force required to pass therethrough in the direction of extraction of the holding head from the holding head locating space.

Abstract: A wafer clamp according to the present invention always firmly clamps a wafer. A supporting arm of the wafer clamp will be replaced with a different one according to the wafer size. Moreover, with a larger area of the supporting arm, a wear resistance and a smoothness of the wafer is improved. Besides, the wafer clamp stops the wafer from slipping.

Abstract: This invention provides a novel apparatus and method for securing a work object, such as a pipe, conduit, bar, rod or the like, using a wrench or other gripping tool that acts as a second set of hands. The wrench is pivotally attached to a support that has a receiving location wherein a work object sits. The wrench can be rotated about its end opposite the mouth so that the mouth engages the work object, and the wrench is held in engagement with the work object by the force of gravity. When a pipe wrench is gripping a work object in such a way, the work object will be prevented from rotating in one sense, thereby allowing someone practising this invention to use both hands to apply a torque to the work object.

Abstract: A length correction device includes a rail including two side plates formed with two elongated slots and two fixing blocks fixedly mounted between said side plates, a seat including a main body, a collar, a packing and a knob, a rectangular block formed with a threaded hole and a recess at one side thereof and two pin holes and a threaded hole at a lateral side thereof, and a positioning plate fixedly mounted on said rectangular block.

Abstract: A radial arm router table is provided which utilizes a carriage to mount a router. The carriage is moveable along a radial arm to allow the router to cut a groove in a panel placed on the table. A guide arm is pivotally mounted for clamping against the panel to hold it in place during cutting operations. The guide arm also includes a groove within which a guide follower mounted on the carriage travels to stabilize the router near the router bit to ensure that the router bit travels along a straight path.

Abstract: A hand-held press is provided for installing fasteners in a sheet of fabric. The press has a frame with a pair of arms forming a C-shaped recess into which the fabric may be inserted. The frame has a handle extending outwardly from a press axis with a lever pivotally attached to the frame adjacent the handle enabling a user to squeeze the handle and lever together. A shaft is oriented along the press axis and slidably cooperates with the frame. An advance sear on the shaft is engaged by the lever to cause the shaft to incrementally advance when the lever is squeezed with the handle. A retract sear cooperates with the shaft and the frame to prevent the shaft from retracting. A pair of die elements attached to the frame and the shaft facilitate the installation of fasteners in a sheet of fabric.

Abstract: An apparatus for holding an object, such as a furnace or kiln block, in a predetermined position relative to an external metal member, such as the metallic shell of a furnace or kiln. The apparatus includes a foot assembly which is adjustably supported on a rod member, which is in turn supported by a lower side of a magnet. The upper side of the magnet is removably magnetically affixed to the metallic shell so as to secure the apparatus thereto, thus enabling the foot assembly to hold the object against the metallic shell.

Abstract: A press-fit device of a drive shaft into a differential gear installed in a front engine-front drive type automotive vehicle comprising a first mechanism for press-fitting a drive shaft and a Hooke's joint which are oppositely set to both sides of a differential gear and a second mechanism for retaining the first mechanism and adjusting the position of the first mechanism relative to the differential gear. The first mechanism is comprised of a cylinder fixedly provided with a first attachment at its one end and with a rod guide at its other end, a rod adapted to be reciprocatably inserted into the cylinder, being guided by the rod guide and having a stopper at its free end, a second attachment slidably fitted on the rod between the stopper and the rod guide, and a guide shaft provided in a parallel relation with the cylinder for guiding the movement of the second attachment.

Abstract: A work-holding apparatus comprising a support member, a first member rotatably coupled at one end to said support member, a second member rotatably coupled to the other end of said first member, a work piece holding member, and a plurality of restoring means. A restoring means is interposed between each of said members such that when said work-holding apparatus is displaced from some predetermined position by an external force, the apparatus returns to the same predetermined position upon removal of said force.

Abstract: A positioning clamp for holding a workpiece properly oriented with respect to a work station adjacent the clamp. The clamp disclosed releasably holds saw chain during an operation such as grinding of a cutter in the chain. The clamp is releasable to permit the saw chain to be advanced in steps along a channel defined between jaw margins in the clamp. These jaw margins include portions which face each other, and that come against opposite sides of the saw chain when clamping it, which are shaped to complement the shape of the rivet ends usually provided in saw chain to hold it together. One jaw member is mounted for pivotal movement toward and away from the other to effect clamping and release positioning through a ball pivot. The jaw members are biased toward each other to exert a clamping pressure, and selectively operable means is provided for swinging the jaw members away from each other to produce release.