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| Number | Title | Issue Date |
| 7370856 | Rotating head pin clamp A clamp includes a body, a lead pin moveable relative to the body and an actuator supported by the body. The actuator is axially moveable between an extended position and a retracted position. The actuator includes a camshaft drivingly coupled to the lead pin. Axial... | 05/13/2008 |
| 7364147 | Workpiece support device A projection amount of rod can be adjusted, and workpiece with various shapes or easily deformable workpiece can be stably supported. When an opening/closing valve is switched to an opening position and a working medium flows and is injected from one medium chamber ... | 04/29/2008 |
| 7290480 | Swing cylinder A swing cylinder having a body and an end cap on each end of the body. The cylinder also has a piston arranged within the body. The cylinder has a rod engaged with the piston and has an arm attached to one end thereof. A guide is arranged on the opposite end of the ... | 11/06/2007 |
| 7229068 | Vane clamp assembly A clamp assembly having a body, a power supply, a vane, jaw arm and stop is provided. The power supply is coupled to the body, and the vane located in the body. The power supply pivots the vane about an axis between first and second positions. The jaw arm is coupled... | 06/12/2007 |
| 7182326 | Pin clamp A pin clamp assembly is provided which includes a housing, a locating pin, a body, a twist pin, and a cam pin. The locating pin extends from the body. Both the body and the locating pin include longitudinally extending cavities contiguously disposed therein. The bod... | 02/27/2007 |
| 7160066 | Mounting arrangement and method A mounting arrangement 1 is provided in which clamping pairs comprising a clamping pad 2 and seating pads 3 are arranged about a mounting end of a component 4. Thus, the component 4 is appropriately presented to a machining device ... | 01/09/2007 |
| 7111835 | Clamp apparatus A clamp apparatus has a lower body. A rotary driving source driven by an electric signal, a pump mechanism having a pressure oil-sucking/discharging mechanism energized/deenergized by the rotary driving source, a cylinder mechanism provided with a piston for moving ... | 09/26/2006 |
| 7111834 | Swing-arm clamp A swing-arm clamp is provided. The swing-arm clamp has a piston rod which is disposed therein. The piston rod is movable through the swing-arm clamp in response to movement by the piston along a longitudinal axis between first and second positions. The clamp also ha... | 09/26/2006 |
| 7104534 | System and method for detecting collisions in a shared communications medium A system for detecting collisions in a shared communications medium, such as a TDMA medium, includes a receive path adapted to generate a first intermediate signal, a second intermediate signal, and a data symbol sequence from an input signal. A preamble detection m... | 09/12/2006 |
| 7032897 | Swing clamp apparatus with spring biased cam assembly An improved shiftable clamp (12) adapted for connection to a fixture (10) is provided, wherein the clamp (12) is selectively operable to engage and hold a workpiece (14) to the fixture (10). The clamp (12) includes a tubular... | 04/25/2006 |
| 6993821 | Manufacturing cell using tooling apparatus A manufacturing cell having a plurality of work stations, where at least one of the work station comprises a metalworking machine, and where at least one metalworking machine is provided with a modular tooling apparatus. The modular tooling apparatus consists of a b... | 02/07/2006 |
| 6976671 | Toggle-lever clamping device for clamping work pieces with self-compensation A toggle-lever clamping device for clamping work pieces includes a box-shaped body which supports a clamping member movable between a forward disengaging position and a backward position for clamping the work piece. The device also includes control elements operativ... | 12/20/2005 |
| 6948708 | Gripper provided with an adjustable sensor assembly A fluid actuated parts gripper assembly is provided. The fluid actuated parts gripper assembly has a pair of opposable pivoting jaw members, a fluid driven actuator, a linkage structure, a sensor target, a mounting and a sensor. The linkage structure is driven by th... | 09/27/2005 |
| 6929254 | Swing-arm clamp A swing-arm clamp is provided. The swing-arm clamp has a locating member that is movable in concert with a rod which is disposed in the clamp. The locating member engages a guide when the arm is located in a first position and separates from the guide when in a seco... | 08/16/2005 |
| 6814349 | Clamping device with manual control lever A clamping device for clamping work pieces; the clamping device comprises a box-shaped body, a clamping member, and a manually operable control lever; first and second toggle-lever system and an intermediate guide member are provided to connect the control lever to ... | 11/09/2004 |
| 6748841 | Railroad hopper car gate operating system A mechanized device for externally grabbing and rotating the operating capstan of a railroad car bottom discharge gate is disclosed which utilizes a pair of spaced converging, opposed normally open gripper fingers operable between a closed and an open position, oper... | 06/15/2004 |
| 6739587 | Toggle lever clamping device A toggle lever clamping device for clamping a workpiece to a support frame includes a box-shaped head to which a clamping arm is pivoted to rotate between an open and a closed condition to release respectively to lock the workpiece; the clamping arm is operatively c... | 05/25/2004 |
| 6736384 | Operation detecting device of clamp A clamp rod (5) is vertically movably inserted into a housing (3). The housing (3) has a lower end wall (3b) formed with a detecting hole (58) substantially concentrically with an axis of the clamp rod (5). The detect... | 05/18/2004 |
| 6712348 | Adapter for agile fixturing automation An adapter for picking up and placing a fixture element on a fixture body using a controlled tool handling device having a tool translating and rotating spindle. The spindle has a tool receiving end and an axis of rotation. The adapter receives a cylindrical post me... | 03/30/2004 |
| 6663093 | Rotary clamp A clamp rod (5) is inserted into a housing (3) rotatably around an axis and movably downwards for clamping. The clamp rod (5) has an outer peripheral portion formed with three guide grooves (26) which are arranged peripherally at substantially the same sp... | 12/16/2003 |
| 6612557 | Adjustable stroke clamp An apparatus to position or clamp a work piece includes a body, a generally linearly moving powered actuator positioned in the body, and a mechanism to adjust an available stroke of the actuator. The actuator has a first piston coupled to a second piston.... | 09/02/2003 |
| 6585246 | Electric clamp An electrically powered clamp has a housing, a motor attached to the housing, a ball screw driven by the motor via gears, and a linkage driven at one end by the ball screw such that the linkage rotates an output shaft attached to the other end of the link... | 07/01/2003 |
| 6565074 | Rotary clamp having an adjustable pre-stop A rotary clamp having an adjustable pre-stop wherein the rotary clamp includes a linear actuator for transmitting linear motion to a linkage assembly. The linkage assembly converts the linear motion into rotary motion of a clamp arm, wherein the clamp arm... | 05/20/2003 |
| 6557840 | Powered clamp with unlocking feature A workpiece securing apparatus or clamp includes a piston, a coupling or transmission mechanism, and an unlock device. In another aspect of the present invention, the unlock device is rotatable to move the coupling mechanism. Still another aspect of the p... | 05/06/2003 |
| 6416045 | Rotary clamp having predetermined adjustable clamping angles A rotary clamp having a telescopic piston rod with predetermined adjustable lengths corresponding to predetermined rotational angles of a clamp arm. The rotary clamp utilizes a linear actuator for transmitting linear motion to the piston rods and a linkag... | 07/09/2002 |
| 6364301 | Clamp apparatus A clamp apparatus comprising a holding member which is formed of a metal material and which is displaceable in an axial direction of a body in accordance with rotary action of an arm, and a pair of proximity switches for sensing the position of the holdin... | 04/02/2002 |
| 6338476 | Clamp apparatus A clamp apparatus comprises a cylinder unit for displacing a rod member provided at the inside of a body in an axial direction of the body, and a link plate for being connected to the rod member, and it further comprises a toggle link mechanism for conver... | 01/15/2002 |
| 6332604 | Clamping and positioning mechanism for the inclined axis of two-axes rotary tables Disclosed herein is a clamping and positioning mechanism for the inclined axis of two-axes rotary tables comprising an annular recessed slot formed along the outer surface of a stationary supporting frame. In this slot, there is installed a piston with a ... | 12/25/2001 |
| 6237905 | Hold-down clamp A hold-down clamp has a post extending along an axis and having a lower end adapted to be secured to a work surface and an upper end and a clamping body axially displaceable along the post and formed offset from the axis with at least one seat. A locator ... | 05/29/2001 |
| 6196285 | Wooden work bench top with full length hydraulic vise A work bench top constructed preferably of hardwood dimension lumber of a thickness sufficient to provide the strength and rigidity required for heavy duty work bench use. The bench top consists of two sections, one of which forms the main body of the top... | 03/06/2001 |
| 6189877 | Device for positioning, holding or gripping A gripping device, particularly for vehicle body work, comprises a housing 1 containing a moveable equipment 26 displaceable in translation. One end 26a of the moveable equipment 26 is connected to an actuator 25 and the other end 27 of the moveable equip... | 02/20/2001 |
| 6113086 | Rotary clamping apparatus An annular piston (4) is inserted into a housing (1) axially movably but unrotatably. A clamp rod (9) is hermetically inserted into a through-hole (4a) of the piston (4). When the piston (4) is lowered by a clamping spring (20), a back pressure is produce... | 09/05/2000 |
| 6059277 | Retracting power clamp A retracting power clamp includes a body having a generally cylindrical external surface. A clamping arm is movable from a retracted position to a clamping position with the arm being linearly extendable and pivotable relative to the body when moved betwe... | 05/09/2000 |
| 6000687 | Actuator for hydraulic tool holder A hydrostatic holding device has a first actuator constructed to increase the pressure of a hydraulic fluid within a pressure chamber to urge a metal sleeve into firm engagement with a workpiece received in a hydrostatic sleeve and a second actuator const... | 12/14/1999 |
| 5996984 | Cylinder apparatus A cylinder apparatus comprises a body having a flat rectangular parallelepiped shape, a cylinder unit for accommodating a piston which is reciprocatable along a cylinder chamber, a toggle link mechanism for converting linear motion of a piston rod into ro... | 12/07/1999 |
| 5988029 | Height-adjustable table for a microtome The combination of a table and a table-type microtome has a base having an internal volume and a linear guide. A seating device is movably mounted on the base. The seating device is movable along the linear guide. A drive causes movement of the seating de... | 11/23/1999 |
| 5927700 | Transmission device for a clamp A clamp rod has an outer peripheral surface provided with a first concaved passage communicated in entirety of the outer peripheral surface and in the shape of sawtooth. The first concaved passage comprises first spiral grooves in the shape of a multi-sta... | 07/27/1999 |
| 5884903 | Powered clamp and gauging apparatus A powered clamp and gauging apparatus performs as a clamp with moveable members which generate a toggle action, or performs as a gauging device having a pair of moveable members which mechanically abuts against each other to maintain, at least temporarily... | 03/23/1999 |
| 5855365 | Engine clamping apparatus An engine clamping apparatus is provided for firmly fixing engines having different fixing points. The invention includes a cylinder serially accommodating an upper and lower piston for providing a shorter rising stroke when supplying an oil pressure so t... | 01/05/1999 |
| 5820118 | Swing clamp apparatus A hydraulically-operated swing clamp (10) for holding and clamping a workpiece (14) to a fixture (12) is disclosed. The swing clamp (10) includes an improved cam assembly (24) that swings its clamping head (22) away from the workpiece (14) when the piston... | 10/13/1998 |
