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| Number | Title | Issue Date |
| 7370398 | Method of calibrating a clamping mechanism A new and improved method for calibrating workpiece clamping mechanisms such that once a particular clamping mechanism is calibrated with respect to a particular workpiece to be clamped upon a support surface, the clamping mechanism will always clamp the workpiece w... | 05/13/2008 |
| 7344625 | Element for handling connectors for electrolytic cells which are used for the production of aluminum 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 elec... | 03/18/2008 |
| 7332689 | Tacking method and apparatus An apparatus for tacking a multi-lumen tubular assembly together comprises a laser, an optical member and a placement tray for retaining the tubular assembly. A portion of the optical member defines a window that is substantially transparent to laser energy emitted ... | 02/19/2008 |
| 7258348 | Machining fixture for centering and holding workpiece A centering and holding fixture includes a base, a piston disposed within a piston chamber at least partially located within the base, and a radially flexible ring connected to the piston by force transmission apparatus operable to contract and expand the radially f... | 08/21/2007 |
| 7177160 | Circuit board clamping device A circuit board clamping device is applied to at least two spaced and stacked circuit boards, wherein the two circuit boards are spaced apart and fixed by a plurality of spacing posts. The circuit board clamping device includes a securing member, a pressing member a... | 02/13/2007 |
| 7147412 | Doweling jig for woodworking The invention relates generally to clamping devices and mechanisms which provide versatile and/or accurate coupling between the communicating members. Some embodiments relate to the field of woodworking and a doweling jig therefor having a hinged jaw mechanism to pr... | 12/12/2006 |
| 7144005 | Clamping device 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 wor... | 12/05/2006 |
| 7093828 | Methods and apparatus for clamping tools The present invention is directed generally to tools that are high quality, strong, and lightweight. For example, various tools such as clamps may be made using parts containing a compound or alloy including magnesium. Magnesium may be for cast or extruded parts. In... | 08/22/2006 |
| 7011284 | Pivotable clamp A pivotable clamp is provided. One embodiment of the present invention comprises a clamp that includes a first member that is pivotably coupled to a second member. A third member is pivotally coupled to the second member. The first member is sized to slidably engage... | 03/14/2006 |
| 7008153 | Machine spindle having a gas spring-operated tool-clamping mechanism A machine spindle includes a casing and a clamping mechanism disposed in the casing. The clamping mechanism includes front and rear drawbars which are relatively movable axially within the casing. A gas spring biases the rear drawbar rearwardly, and a force transmit... | 03/07/2006 |
| 7004459 | Clamping device 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 t... | 02/28/2006 |
| 6979156 | Machine spindle having a force-amplifier drawbar assembly A machine spindle includes a casing and a drawbar assembly disposed in the casing for clamping a tool in place. The drawbar assembly includes a front drawbar having a tool clamp, and a rear drawbar movable rearwardly under a spring force for pulling the front drawba... | 12/27/2005 |
| 6969056 | Clamping device 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 ... | 11/29/2005 |
| 6619642 | Clamp for clamping a workpiece 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. T... | 09/16/2003 |
| 6598868 | Clamp mechanism 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 se... | 07/29/2003 |
| 6244582 | System and method for altering the size and configuration of a traditional carpenter's clamp 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 ... | 06/12/2001 |
| 6119972 | Fly tying vise and rotary module 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 engagem... | 09/19/2000 |
| 5988615 | Device for fixing an object to the edge of a flat support 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 s... | 11/23/1999 |
| 5896760 | Tool for mounting a door lock assembly 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 se... | 04/27/1999 |
| 5746422 | Clamping device 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... | 05/05/1998 |
| 5716020 | Electric rotary tying device system 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... | 02/10/1998 |
| 5513837 | Portable clamp 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. Aft... | 05/07/1996 |
| 5423357 | Apparatus for cutting interlocking joints 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 su... | 06/13/1995 |
| 5421566 | Holding device 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 therebe... | 06/06/1995 |
| 5421384 | Unlimited width dovetailing system with overhead clamp 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 a... | 06/06/1995 |
| 5356124 | Adjustable clamp fixture with multi-directional opening 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 ... | 10/18/1994 |
| 5342031 | Hand-screwed clamp fixture with multi-directional opening 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 t... | 08/30/1994 |
| 5326076 | Hand crew clamp 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 secon... | 07/05/1994 |
| 5312097 | Double C clamp device 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 cl... | 05/17/1994 |
| 5265854 | Self-powered bar clamp 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. T... | 11/30/1993 |
| 5251887 | Machine vise for clamping a workpiece 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 sh... | 10/12/1993 |
| 5247846 | Quick disconnectable screw device 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 ... | 09/28/1993 |
| 5201502 | Apparatus for clamping workpieces which have to be machined by a machine tool 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 b... | 04/13/1993 |
| 5135036 | Versatile clamping bench 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... | 08/04/1992 |
| 4925169 | Clamp with fast-acting, one-hand adjustment 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 ... | 05/15/1990 |
| 4899999 | Machine vice with force amplifier 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) ... | 02/13/1990 |
| 4871154 | Work holding device for handicapped persons 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... | 10/03/1989 |
| 4858902 | Workbench vises 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 tu... | 08/22/1989 |
| 4824085 | Device for holding and handling a flat object 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, f... | 04/25/1989 |
| 4824066 | Apparatus for aiding in the storing and preserving of donor corneas 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 a... | 04/25/1989 |
