Abstract: A method and apparatus to provide a machining table in which an article can be secured to the table. The table provides a plurality of clamp blocks which can be placed on the table in custom positions. The orientation of the clamp blocks can also be adjusted by adjustments bolts so that the desired angle of the article can be maintained before machining it. As such, a round article (e.g., a pipe) can be secured through the clamp blocks so that the article can be machined. The table would secure the article such that even a lot of force or pressure on the article would not cause the article to move.

Abstract: A piezo-junction device may be provided. The piezo-junction device comprises a piezoelectric element comprising two electrodes and piezoelectric material in-between, and a semiconductor junction device adjacent to the piezoelectric element such that one of the two electrodes of the piezoelectric element is in contact with the semiconductor junction device connecting the semiconductor junction device and the piezoelectric element electrically in series. Thereby, the semiconductor junction device and the piezoelectric element are together positioned in a fixed mechanical clamp such that the piezoelectric element with an applied electrical field applies strain to the semiconductor junction device causing a change in Fermi levels of the semiconductor junction device.

Abstract: The present disclosure relates generally to a bi-directional clamp system and method of use. More particularly, a bi-directional clamp with two clamp bars and two clamping assemblies are described herein. The clamp assemblies have a plurality of arms freely movable in response to a material load is described herein.

Abstract: An adjustment mechanism for a lifting device includes a longitudinal clamp bar and a clamp slidably disposed on the clamp bar. The clamp has a clamp body and at least one clamping member movably connected to the clamp body. The at least one clamping member is operative for (1) acquiring a clamped condition when a lifting force is applied to the clamp body, wherein in the clamped condition, the at least one clamping member is engaged with the longitudinal clamp bar to prevent movement of the clamp along the clamp bar and (2) acquiring an unclamped condition when a lifting force is released from the clamp body, wherein in the unclamped condition, the clamp is free to move along the clamp bar.

Abstract: An instrument retaining element for a surgical tray such as dental tray for use in a dental surgical procedure. The retaining element can have a first part defining a plurality of receptacles therein. The plurality of receptacles configured to receive a first shank section of a plurality of dental surgical instruments. The first part defines a first part of a channel that communicates with two or more of the plurality of receptacles. The retaining element can have a second part connected to the first part and having a U-shape in cross-section. The second part defines a second part of the channel that communicates with the first part of the channel and the plurality of receptacles. The second part of the channel can be configured to elastically expand to receive and retail a second shank section of the plurality of dental surgical instruments.

Abstract: An anode clamp configured for clamping an anode rod to an anode bus, the anode clamp comprising a first rotating mechanism and a second rotating mechanism. The first rotating mechanism is configured to be rotated by a user and is in contact with the second rotating mechanism. When the first rotating mechanism is rotated, it causes the second rotating mechanism to rotate. The second rotating mechanism as a pawl which is configured for being rotated downwards to apply pressure on an anode rod located below the pawl.

Abstract: An anode clamp configured for clamping an anode rod to an anode bus, the anode clamp comprising a first rotating mechanism and a second rotating mechanism. The first rotating mechanism is configured to be rotated by a user and is in contact with the second rotating mechanism. When the first rotating mechanism is rotated, it causes the second rotating mechanism to rotate. The second rotating mechanism as a pawl which is configured for being rotated downwards to apply pressure on an anode rod located below the pawl.

Abstract: A fitting for channel framing includes a first clip arm configured to extend into a first external fitting groove of the channel framing and clip onto the channel framing, and a second clip arm configured to extend into a second external fitting groove of the channel framing and clip onto the channel framing. An outer portion connected to and extending between the first and second clip arms is configured to span across the continuous slot when the first and second clip arms extend into the respective first and second external fitting grooves and are clipped onto the channel framing.

Abstract: A fitting for channel framing includes a first clip arm configured to extend into a first external fitting groove of the channel framing and clip onto the channel framing, and a second clip arm configured to extend into a second external fitting groove of the channel framing and clip onto the channel framing. An outer portion connected to and extending between the first and second clip arms is configured to span across the continuous slot when the first and second clip arms extend into the respective first and second external fitting grooves and are clipped onto the channel framing.

Abstract: A method, system, and apparatus for holding a connecting instrument comprises a first member including a first finger cup and a first needle nose tip formed on the forward end of the finger cup and a second member comprising a second finger cup and a second needle nose tip formed on the forward end of the second finger cup wherein the first needle nose tip and the second needle nose tip are configured to grip a connecting device as it is being driven into a target.

Abstract: Disclosed is a main body vise device (7) in a band saw machine, characterized in that: a movable main body vise body (33) is provided to a main body vise bed (31); an upstream movable vise jaw (37) is provided integrally to this main body vise body (33), while a downstream movable vise jaw (41) is movably provided on a downstream side of the main body vise body (33); a first pressing/biasing module (43) capable of advancing and retreating the main body vise body (33) is provided; and a second pressing/biasing module (45) capable of advancing and retreating the downstream movable vise jaw (41) independently of the upstream movable vise jaw (37) is provided.

Abstract: A clamping module for a clamping device with a housing which accommodates a drive device which transfers at least one clamping jaw from a starting position to a clamping position, wherein at least one solid body joint is provided between the drive device and the at least one clamping jaw, the solid body joint being elastically resilient in the direction of a clamping movement of the clamping jaw. A clamping device comprises at least one clamping module and/or a positioning module.

Abstract: A fly tying apparatus includes a base abutting a support surface and a stanchion attached to and extending upwardly from the base. A rotational assembly is rotatably mounted on the stanchion. A fly gripping assembly is mounted to the rotational assembly. The fly gripping assembly includes a jaw mount attached to the rotational assembly. The jaw mount includes a mounting collar. A jaw assembly is mounted to the jaw mount. The jaw assembly engages a bend of a fish hook. The jaw assembly is slidably mounted in the mounting collar. The jaw assembly comprises a pair of jaws, a first adjustment assembly configured to selectively angle the jaws with respect to each other, and a second adjustment assembly configured to selectively alter a distance between the jaws.

Abstract: The present invention relates to a handling device for an anode connector provided with at least two side trunnions and a tightening screw. The connector is generally capable of cooperating with attachment hooks of an aluminum production cell used in fused bath electrolysis production operations so as to enable connection of anodes onto the cell. The handling device has a tightening device capable of tightening the connector screw and affecting the tightness of the connector. The present invention also has a locking system that can lock the connector in a desired position in the handling device, by loosening the connector using the tightening device. The handling device also has at least one mobile member which typically has a support to support the connector in a closed position. The support can also displace the mobile member from its closed position to an open position, and vice versa.

Abstract: The spindle for fitting vehicle wheel rims on workshop machines, particularly tyre-changing machines or the like, comprises a frame associable in rotation around a work axis with a workshop machine, at least three gripping adapters of the rim of a wheel associable with the frame and moving along respective approach and away movement directions with respect to the work axis, at least a fluid-operated actuator cylinder associated with one of the gripping adapters and suitable for moving the adapter along the corresponding approach and away movement direction, at least three racks, each of which is associated with one gripping adapter and extends substantially parallel with the corresponding approach and away movement directions, and a pinion meshed with the racks.

Abstract: A clamping device in which there is no need to carry out troublesome setting operation of a clamping position according to a size of a workpiece and wear of respective components and an operation efficiency can be further improved. A worm which is engaged with a worm wheel provided to a periphery of a rotating shaft of a clamping arm and which is connected to an electric motor can reciprocate in an axial direction. On the axis, a clamping force applying mechanism to be actuated in response to contact of the rotated clamping arm with the workpiece to apply an axial force in a direction of the axis to the worm is provided. The clamping arm is rotated by driving the worm for rotation by the electric motor and the clamping force applying mechanism applies a clamping force to the clamping arm which has come in contact with the workpiece.

Abstract: A clamping device includes a first clamping arm and a second clamping arm, an arm driving portion for displacing the first clamping arm to a clamping position and a non-clamping position, and a clamping force applying portion for applying a required clamping force to the clamping arm. The arm driving portion has a first driving source for displacing the first clamping arm and a power transmission mechanism. The clamping force applying portion has a pressing member for applying the clamping force to the first clamping arm by applying a rotating force in a clamping direction to the rotary shaft and a second driving source for displacing the pressing member from a non-operating position to an operating position for applying the clamping force.

Abstract: A clamp which can be closed with one hand consists of two telescoping sleeves, one inside the other, with a fixed jaw at one end of the inner sleeve and a movable jaw that is caused to travel back and forth along the length of the inner sleeve by means of a connecting band. This band is routed around two rotating spindles within the body of the clamp in such a way that when the fixed jaw is placed against the work and the outer sleeve is drawn back, the movable jaw moves forward until it contacts the other side of the work. The clamp is then tightened by means of a handle mounted on a threaded shaft.

Abstract: A first clamping arm mounted to an arm rotary shaft is rotated by a driving mechanism formed of a worm wheel mounted to the arm rotary shaft, a worm supported on a junction frame, and a first driving source to clamp a workpiece between a second clamping arm and the first clamping arm. A rotating force in a direction opposite to a reaction force in clamping is applied by a clamping force applying mechanism to the junction frame which has been displaced through a certain angle by the reaction force to thereby generate a rotating force in a clamping direction in the arm rotary shaft through the worm and the worm wheel to thereby apply a clamping force to the first clamping arm.

Abstract: A clamp for clamping a workpiece such as a forging of an aerofoil component comprises a support body 24 to which a clamping member 26 is hinged. The clamping member 26 has a workpiece clamping element 54 having pads 58 for engagement with the workpiece. The workpiece clamping element 54 is pivotable relatively to the clamping member 26 by means of a ball and socket connection including a ball element 40. This enables the workpiece clamping element 54 to self-align with the profile of the workpiece, for example with a surface of the blade 6 of the aerofoil component. In an alterative embodiment, the workpiece clamping element 54 is formed integrally with the clamping member 26, but is connected thereto by a necked region of the clamping member 26 which permits flexure of the workpiece clamping element 54 relatively to the clamping member 26.

Abstract: A device (20) having a pair of jaws (22, 23) cooperating with a pair of threaded rods (24, 25) and which displace equally from a midpoint (36) of device (20) along threaded rods (24, 25). A spirally-wound rod (40) with sets (41, 42) of keyways rides in sets (50, 51) of keys positioned in jaws (22, 23). A center plate (44) for the rods (24, 25, 40) maintains them at a midpoint (36) for device (20). Sliding assemblies (60, 94) lock and unlock barrel nuts (71, etc.) in the jaws (22, 23) from threaded rods (24, 25). Different senses of threads for threaded rods (24, 25) extend to each side of rod (40). In another embodiment, a push handle (116) directly actuates the ‘quarter-turn’ threads in bores (122) of barrel nuts (115) into and out of engagement with threaded rods (121).

Abstract: A clamp mechanism (20) having a pair of jaws (22, 23) cooperating with a pair of threaded rods (24, 25) that displace equally from a midpoint (36) of mechanism (20) along threaded rods (24, 25) by means of a spirally-wound rod (40) with sets (41, 42) of keyways riding in sets (50, 51) of keys positioned in jaws (22, 23). A center 20. Sliding assemblies (60, 94) lock and unlock barrel nuts (71, etc.) in the jaws from threaded rods (24, 25). Different senses of threads for threaded rods (24, 25) extend to each side of rod 40. In another embodiment, a push handle (116) directly actuates the ‘quarter-turn’ threads in bores (122) of barrel nuts (115) into and out of engagement with threaded rods (121).

Abstract: A system for an extension device that attaches to hand screw clamps and similarly configured clamps. Hand screw clamps have two jaw elements that are interconnected by two threaded shafts. As the threaded shafts are turned, the jaw elements can be biased toward one another in a variety of configurations. The system includes a first tubular element having an open end. Two opposing slots are present on the first tubular element that extend inwardly a predetermined distance from the open end. The open end of the first tubular element is sized to receive a first of the jaw elements of the hand screw clamp, wherein the threaded screws of the hand screw clamp pass into the slots. The system also includes a second tubular element having an open end and two opposing slots that extend inwardly a predetermined distance from that open end. The open end of the second tubular element is sized to receive a second of the jaw elements therein.

Abstract: A vise for holding objects wherein the vise includes a vise portion having a pair of engagement jaws mounted on one end of a vise body. An adjusting shell is disposed in coaxial relation about the vise body and in cooperative relationship with the engagement jaws. The adjusting shell is rotatable about the vise body, and rotation of the adjusting shell actuates the engagement jaws between their opened and closed positions. The vise portion can be used in conjunction with a rotary module which is mounted to the other end of the vise body and imparts a rotary motion to the vise body about its central longitudinal axis. The rotary module employs a clutch and brake assembly that is mounted on a rotary spindle and housed within an adjusting shell that is coaxial with the rotary spindle. The adjusting shell is slideable backward and forward relative to the rotary spindle to engage and disengage the brake. When the brake is disengaged, the rotary module can be rotated either clockwise or counter-clockwise.

Abstract: A device for fixing an object to the edge of a flat support, the support having a top face on which the object is to be fixed and a lower face. A vertical section piece, positionable close to the edge of the support, is perpendicular to the plane of the support. The upper end of the section piece has an element which engages and holds the object on the top face of the support, e.g. rods projecting into a cavity in the object. An arm extending perpendicular to the section piece supports at one end thereof a cam for being selectively moved to press against and released from pressing against the lower face of the support. The section piece passes through an opening in the arm and the arm with the cam thereon is tiltable with reference to the section piece for locking the arm along the section piece. A lever then rotates the cam to press against the lower face of the support.

Abstract: A tool for holding an exterior hub component of a dead bolt door lock within a cylinder bore extending between interior and exterior surfaces of a door includes first and second flat rigid plates elongated between proximal and distal extremities, and a securing mechanism interactive between both plates adjacent their proximal extremities. The distal extremity of the first plate is provided with an arcuate recess configured to embrace the cylinder bore. In use, the first plate is caused to lie flush against the interior surface of the door while the second plate rests atop the exterior hub positioned within the cylinder bore, and forces the hub toward the door.

Abstract: A clamping device used in, for instance, a bonding machine, using a piezo-electric element for opening and closing a pair of clamping claws for holding, for instance, bonding wires in between. The clamping device includes a pressure adjustment screw which applies a preparatory pressure to the piezo-electric element via a contact plate, and the contact plate is connected, via flexible sections which are capable of expansion and contraction, to a screw attachment with which the pressure adjustment screw is screw-engaged.

Abstract: An electric rotary tying device system used for tying fishing flies that provides an in-line rotational drive system contained in a rotatably, elevationally and angularly adjustable main housing. Fully adjustable gripping means are non-destructive and are used to tie regular fishing flies while a modified gripping means allows the tying of tube flies. A fully reversible, bi-directional, variable speed, low voltage drive means and rotatable in-line drive system is controlled by a variable speed foot switch to provide variable rotation to the gripping means. The foot operated control switch frees both hands when tying a fishing fly thereby providing greater control over the precise positioning and tensional wrapping of fly tying material. A plurality of accessory bores and a movable mounting member provide attachment points for various accessories.

Abstract: The portable clamp is used, for example, in making repairs to a product, such as a snowboard. The repair volume location of the snowboard is reworked to prepare this repair volume, i.e. a damaged portion of the product, to receive repairing materials. After their placement, a pressure distribution plate of this portable clamp is positioned over, and generally beyond, the repair volume location. Then a bottom clamp bar and a top clamp bar are positioned, respectively, under and over the snowboard. These clamp bars are thereafter drawn together by using the preliminary clamping fastener assemblies located at their respective ends. Then final clamping fastener assemblies, threadably positioned in the top clamp bar, in the central portion thereof, are tightened to continue the distribution of clamping forces to the pressure distribution plate.

Abstract: An apparatus for supporting and guiding a router in cutting work-pieces to form an interlocking joint comprises a base support member to which two work-pieces are mounted, at least one being in a horizontal plane. A template is also mounted to the base support member above the horizontal positioned work piece. The template is adjustably connectable to the base support member and vertical and horizontal work-piece clamping assemblies are provided with a movable clamping device so that clamping pressure is applied adjacent to each work-piece in holding the work-pieces on the base support member for cutting.

Abstract: An unlimited width dovetailing system for holding a workpiece and guiding a router while cutting dovetails in an upper edge of the workpiece includes a base plate with a pair of blocks attached thereto, and a beam which rests on the base plate, abutting against the blocks. A dovetail template for a router is affixed to the beam, which can be turned end-for-end to expose either side of the template to the workpiece.An overhead clamping mechanism for holding the workpiece in a vertical plane against a front face of the beam includes a pair of bars each having a fixed jaw pivotally bearing against a respective one of said blocks and having an offset which extends over the workpiece's upper edge, a pair of movable jaws, one on each of the bars, an elongate clamping member extending between the jaws, and a pair of clamping screws, each passing through a threaded hole in its respective jaw and into said elongate member.

Abstract: The invention is drawn to fixture stock for producing holding devices. The fixture stock is made from an elongated base plate having side rails along two parallel opposed longitudinal edges to define an intermediate, longitudinally extending space therebetween. An elongated jaw plate is disposed above the base plate and between the side rails and an elongated pad of resilient material is sandwiched between the base and jaw plates, which in turn are bonded to opposite sides of the pad respectively, whereby the base and jaw plates are resiliently connected for slight relative movement. The side rafts include a plurality of anchoring holes perpendicular to the base plate and extending through the base plate, and the side rails also include a plurality of thrusting holes parallel to the base plate and extending through the side rails toward the jaw plates. Preferably the jaw plate is split into a pair of separate portions, separated from each other by a filler strip.

Abstract: A clamp fixture with multi-directional opening comprises a front clamping head, a rear clamping base, a top and a bottom pressing plates and two latching bases. The latching bases are provided on top of the front clamping head and the rear clamping bases respectively. Each of the latching bases further comprises a bracket, a pin shaft, a thumb latch and a torsion spring. The thumb latch can be pressed down to securely position the top pressing plate, cooperating with the bottom pressing plate which feeds through the front clamping head and the rear clamping base to form a space for securely clamping the working objects with multiple panels. The operation is simple and the structure is compact.

Abstract: A clamp fixture with multi-directional opening mainly comprises a front clamping head, a rear clamping base, a top pressing plate, a bottom pressing plate and two lock clamping bases. The front clamping head consists of two side plates which are riveted together by a lower stud shaft and a central stud shaft. The central shaft has a bolt, the front portion of which has a pushing block, and the rear end of the bolt has a wing nut connected thereto. Moreover, the rear clamping base also consists two side plates to cooperate with a lower stud shaft. The central stud shaft is inserted with an inverted U-shaped blocking base for holding the objects to be clamped. In addition, the upper and the bottom pressing plates are designed to have appropriate thickness. The two lock clamping bases are respectively installed on top of the front clamping head and the rear clamping base. Each of the lock clamping bases is made up of a bracket, a stud shaft, a screw bolt with a holding block.

Abstract: A hand screw clamp includes first and second jaws and a pair of threaded rods, each having a handle for manual rotation. Two first couplers are mounted to the first jaw and coupled to the threaded rods, and two releasable couplers are mounted to the second jaw and coupled to the threaded rods. The releasable couplers each include a threaded portion engageable with the threaded rods and a slidable portion sized to accommodate sliding movement of the threaded rods. A push plate is movably mounted to the second jaw and engaged with both of the releasable couplers. This push plate is movable between a first position, in which both of the threaded portions are engaged with the rods and manual rotation of the handles moves the second jaw along the threaded rods, and a second position, in which both of the threaded portions are disengaged from the threaded rods and the threaded rods are free to slide past the slidable portions without rotation of the threaded rods.

Abstract: A double C-clamp device is provided which consists of a pair of C-clamps, each having a fixed jaw and a moveable jaw and a pair of clamp bars. A fastening structure is for attaching the first clamp bar transversely between the fixed jaws and the second clamp bar transversely between the moveable jaws of the C-clamp. The C-clamps which are in a stationary spaced apart relationship can cause the clamp bars to come towards each other to hold a work piece which may be tapered an have irregular shaped contact surfaces.

Abstract: A hand tool or clamp, which locks itself to a work-piece to thereby free the hands of the user, includes a fixed jaw secured to one end of a slide bar and a movable jaw mounted to the slide bar for movement therealong toward and away from the fixed jaw. The movable jaw is normally spring-biased toward the fixed jaw by a flat coil spring supported on the fixed jaw and connected at its free end to the movable jaw. The spring is uncoiled as the jaws are pulled apart to receive a work-piece, and when either jaw is released, rewinds and rapidly advances the movable jaw along the slide bar into clamping engagement with the work-piece. Additional clamping pressure is provided by a screw mechanism associated with the movable jaw which cooperates with the slide bar to advance the movable jaw toward the fixed jaw and increase the clamping pressure between them.

Abstract: A machine vise is provided with a body having a fixed jaw and a movable jaw which may be moved toward the fixed jaw by means of a tractively acting hollow screw spindle. A force amplifier is arranged below the fixed jaw and is operable by a pushing rod shiftably inserted in the hollow screw spindle. A common driving device rotates the screw spindle into and away from its clamping position. Upon a predetermined clamping force being exceeded the force amplifier is activated by the pushing rod. The movable jaw may be split in upper and lower portions.

Abstract: A quick-disconnectable device with a screw piece, a first threaded part and a second threaded part, the threaded of which fits with the first threaded part, wherein the screw piece has a straight guide for the first threaded part, and the screw piece has a radial bearing and an axial bearing for the second threaded part, the longitudinal direction of the straight guide and the axis of rotation of the radial bearing are arranged parallel to one another, the two threaded parts are guided at a distance at which the mutual engagement of the two threaded parts is possible, the second threaded part has an external thread, and is equipped with a recess which completely interrupts the engagement of the threads at least in a specific rotary position An embodiment as a compact light and simple quick-acting clamping means for variable clamping geometry for articles to be measured on automatic 3D-measuring machines or as a spindle drive with high-speed disengagement.

Abstract: An apparatus for clamping workpieces which have to be machined by a machine tool. The apparatus comprises a rectangular frame including two longitudinal frame members and two transverse frame members. Clamping means are provided to fix the workpieces to be machined to said rectangular frame. The clamping means comprise at least one auxiliary frame which is removably inserted in said rectangular frame. Each of the auxiliary frames includes two clamping bars which can be adjustably connected to each other and the ends thereof being adapted to be connected to the longitudinal frame members of the rectangular frame such that they are adjustable in the longitudinal direction of the longitudinal frame. The clamping bars comprise a plurality of continuous threaded bores running essentially perpendicular to the clamping bars, said bores being enlarged to a predetermined nominal diameter and said bores being adapted to selectively receive a clamping screw.

Abstract: A versatile work bench. Throughbores are formed in the bench top and a captive nut is positioned in a countersink associated with each throughbore on the bottom surface of the bench top. Clamping boards are similarly provided with throughbores and captive nuts positioned in countersinks. Clamping tools that include a hand-rotatable handle and a screw that rotates in response to rotation of the handle may be employed to clamp workpieces between the bench top and the clamping boards. Clamping wedges that also include a throughbore and a captive nut may be tightened by clamping tools to wedge together workpieces disposed in edge-to-edge relation to one another. Turnbuckles and straps may be used to interconnect the bench top and clamping boards when large workpieces are to held atop the bench top. Large flat items may be held on their edge on the bench top by a mounting block and an arrangement of turnbuckles and straps.

Abstract: The clamp includes a member having an anvil at one end and a threaded bore at another end with a longitudinal bore axis directed at the anvil. A rod having a threads and a longitudinal splines is threadingly disposed within the threaded bore. The rod has a first end, preferably with a handle, and a second end, preferably with a shoe, facing the anvil. A gear matingly engageable with the splines on the rod is rotatably held to the member by a fastener through a central bore. The gear intertwines with the splines on the rod, such that movement of the gear in one direction rotates the rod in an to threadingly move the rod through the bore along the longitudinal axis of the rod. A second embodiment of the clamp includes a member having an anvil at one end and a bore at another end with a longitudinal bore axis directed at the anvil. A rod having a plurality of threads and a pair of longitudinally extending, generally smooth surfaces is disposed within the bore.

Abstract: A machine vice with force amplifier comprises a base member (1) with an upwardly open, elongated recess (2), a fixed jaw (4) arranged at one end (1a), which is unitary with the base member (1). A movable jaw (5) is slidably mounted on the base member (1) and bears on its under side a unitary projection extending into the recess (2), with a spindle nut (7). A tightening device (8, 9) is arranged in the recess (2), consisting of a screw spindle (8) with force amplifier engaging in the spindle nut (7), which are adapted to be driven by a common handle (15). On the other end (1a) of the base member (1) a reaction plate (11) is fixed by a plurality of screws (12) on a fixing surface (14) ewxtending perpendicular to the spindle axis (A), against which plate the tightening device (8,9) abuts. The base member (1) comprises a second fixing surface ( 14a) for the reaction plate (11) at its one end (1a) and corresponding threaded bores (13a) for its screws (12).

Abstract: A work holding device to support objects for the use of handicapped persons and, more particularly, persons haivng only one hand, the device being attachable to a wheelchair or similar supporting items upon which a handicapped person may sit or lie and it includes a housing upon or to which objects may be clamped for use by such person. The housing is attached for substantially universal adjustment upon the upper end of a post-like device which is attached to the wheelchair or the like. The device has clamping mechanism operated by a reversible electric motor powered by batteries and switches are included which selectively are actuated either by human breath blowing out or drawing inward for suction or by a switch actuated by a foot of the handicapped person. The device has a monitored and controlled clamping pressure.

Abstract: A bench vise includes a stationary structure carrying one clamping jaw. A square section tube is arranged to cantilever outwardly from the stationary structure and the tube carries a second clamping jaw. Coarse adjustment can be obtained by tilting the tube about a horizontal axis and then moving it with respect to the stationary structure. Fine adjustment is obtained and clamping forces are exerted by operation of a screw-operated mechanism carried by the tube and acting on the clamping jaw carried by the tube.The tube can be withdrawn from the stationary structure and rotated through 90.degree. in either direction to obtain an alternative orientation of the clamping jaw carried by the tube.

Abstract: A device for holding and handling a flat object, which can be a work piece to be machined or a tool for the same purpose, comprises a fixed clamp and a movable clamp which clamp the object therebetween. The device further includes a closed, rectangular, flat frame, whose one side is designed as the fixed clamp. The movable clamp can be introduced from outside into the frame and moved between the guides in the same. The movable clamp is provided with an arrangement for its fastening in the frame and is clampable against the flat object. On the side opposite to the fixed clamp of the frame there is provided at least one clamping device acting upon the movable clamp. The device allows clamping without a play and stack of the flat object. It is especially suited for precision machining in one or several successive machining operations, the pre-set machining position of the object being preserved during processing.

Abstract: An apparatus includes a lower ring member having a frusto-conical upper surface over which the sclera of the cornea to be transplanted is placed. An upper ring member is also included. Both ring members have registrable openings of a size such that only an annular portion of the sclera outwardly of the cornea is clamped when wing nuts are tightened on a number of threaded studs pivotally attached to the lower ring member. In this way enough clamping pressure can be exerted on the sclera to prevent flow of fluid therethrough into the corneal stroma.

Abstract: A clamping apparatus comprises a clamping unit having a pair of clamping plates and clamping plate drive unit, and a fixing unit for fixing the clamping unit to an arbitrary position on a base frame. The clamping unit has a sub base to which one clamping plate and drive unit for driving the other plate are fixed. The drive unit has a leadscrew fixed at its one end to the other plate, and an outer cylindrical member rotatably provided on the sub base and holding the other end of the leadscrew. An inner cylindrical member and a piston are provided in the bore of the outer member. The inner member is threadably fitted over the other end of the leadscrew, and is rotated integrally with the outer one so as to move the leadscrew for a relatively long distance in the longitudinal direction.

Abstract: The green tire holder disclosed herein comprises a vertical shaft having a plurality of uniformly spaced apart arms extending outwardly therefrom, a slidable shoe mounted on each of said arms for engaging a bead of a green tire and a slidable tread support mechanism mounted on each arm near the outer end thereof. The tire holder includes means for moving all of the shoes simultaneously toward or away from the center by equal amounts, so that the shoes at all times are equidistant from the center. Each tread support mechanism includes, a tiltable support plate, preferably flat, which engages the tread portion of the green tire, and a support arm for supporting the plate. The tread support mechanisms are slidable independently of the shoes. The angle of inclination of the tread support plates may be varied, e.g. from 0.degree. to 60.degree. to the horizontal at 15.degree. intervals.

Abstract: The clamp includes a member having an anvil at one end and a threaded bore at another end with a longitudinal bore axis directed at the anvil. A rod having threads and longitudinal splines is threadingly disposed within the threaded bore. The rod has a first end, preferably with a handle, and a second end, preferably with a shoe, facing the anvil. A gear matingly engageable with the splines on the rod is rotatably held to the member by a fastener through a central bore. The gear intertwines with the splines on the rod, such that movement of the gear in one direction rotates the rod to threadingly move the rod through the bore along the longitudinal axis of the rod. A second embodiment of the clamp includes a member having an anvil at one end and a bore at another end with a longitudinal bore axis directed at the anvil. A rod having a plurality of threads and a pair of longitudinally extending, generally smooth surfaces is disposed within the bore.