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Class 269/228 - Toggle type


Subclass of Class 269 - Work holders
Definition: Device wherein a toggle* linkage is utilized to effect
No. of patents: 189
Last issue date: 10/16/2012


1          
NumberTitleIssue Date
8286955Steady rest
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 lev...
10/16/2012
8123205Universal locking mechanism for a clamp
A manual locking clamp is disclosed. The manual locking clamp includes a base and a handle pivotally connected to the base. The manual locking clamp also includes a locking lever connected to the handle. The locking lever including a first locking orifice and a seco...
02/28/2012
7896327Positioning mechanism for man-made ear
A positioning mechanism for a man-made ear includes a shaft, a driving device, a rotational arm, a first sliding member, and a second sliding member. The driving device is slidably secured to the shaft by a first fastener. The driving device also has a rotational wh...
03/01/2011
7878492T-slot clamp
A T-slot clamp including a base and a bar member pivotally connected to the base. A link pivotally connected to the bar member. A handle pivotally connected to the link, wherein the handle is rotatable about an axis of the handle. ...
02/01/2011
7648131Horizontal hold down clamp
A horizontal hold down clamp that includes a base member. The hold down clamp further includes a bar member pivotally connected at a fixed point to the base member. A handle is pivotally connected to the base member at a fixed point. The clamp also includes a link c...
01/19/2010
7621515Pressure device for a clamping system
The present invention relates to a pressing device for a clamping system. The pressing device is coupled to a clamping element of the clamping system. For this purpose, the pressing device has a pressing arm, which is operationally linked at one end to a clamping el...
11/24/2009
7370398Method 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
7364202Adjustable pipe repair clamp installation tool
A manually operated tool engages and draws towards one another opposed spaced flanges of a repair clamp disposed about a leaking pipe for moving the clamp into position and securely maintaining the clamp on the pipe over the leak allowing plural nut and bolt combina...
04/29/2008
7351019Clamping mechanism for an elongated workpiece
The clamping mechanism is used in an automated tooling machine to secure and hold an elongated workpiece for processing. The machine includes a frame, automated router assembly and a conveyer table. The workpiece is supported on the conveyer table and secured by the...
04/01/2008
7350760Clamp for concrete forms
There is provided a clamp for concrete forms which has improved durability compared with a conventional P-clamp, and can withstand vibrations necessarily produced by a vibrator when the concrete is placed. This clamp for concrete forms comprises a substantially U-sh...
04/01/2008
7343911Tile shaping bench
A tile shaping bench including an elongate guide extrusion having surfaces defining a channel adapted for receiving an edge of a tile, a first surface of the channel defined by a resilient surface, an elongate top extrusion positioned adjacent to the guide extension...
03/18/2008
7337648Clamp and repair tool
A tool for gripping, clamping or holding an object, wherein the tool has a handle portion, a linkage portion and a working portion, and wherein the working portion includes two workpiece contacting surfaces, at least one of the surfaces shaped to generally conform t...
03/04/2008
7314236Adjustable pipe repair clamp installation tool
A manually operated tool engages and draws towards one another opposed spaced flanges of a repair clamp disposed about a leaking pipe for moving the clamp into position and securely maintaining the clamp on the pipe over the leak allowing plural nut and bolt combina...
01/01/2008
7314214Power clamp
A power clamp for use in a manufacturing environment. The power clamp including a base and an extruded body secured to the base. The power clamp also includes a cylinder having a rod secured to the body. A shaft is rotatably supported by the body of the clamp. The c...
01/01/2008
7314331Multi-position locking mechanisms for clamping assemblies
A locking mechanism for a clamping assembly includes a roller locking mechanism, at least one clamping member and a shaft member for coupling the roller locking mechanism with the first clamping member. The roller mechanism includes a roller rotatably connected to a...
01/01/2008
7273210Truss assembly clamp apparatus
A truss clamp for connection with a second clamp when installing truss assemblies includes a mechanism for adjustably connecting the two clamps in spaced relation. The truss clamp includes a fixed member and a rotatable member, the rotatable member having first and ...
09/25/2007
7246965Method of assembling a link to a support, and a vibration-damping device manufactured by said method
A method of assembling a link to a support, the link comprising a body that is elongated along a longitudinal axis between a first sleeve and a second sleeve that are part of the body, the first sleeve surrounding an inner strength member mounted to move relative to...
07/24/2007
7229068Vane 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
7213804Chucking device of a part of construction to be machined
The device is a clamp (1), designed to hold a construction piece, including a clamping lever (2), which climbs by pivoting around a transverse axis (3), in a case (4) formed by two half-shells (4a, 4b) with mir...
05/08/2007
7213805Clamping device
A clamping device includes a clamp arm attached to a mounting member to be able to reciprocate with respect to the mounting member, a pressure applying mechanism for applying pressure to the clamp arm, and a clamp bolt for clamping a member to be clamped between a s...
05/08/2007
7175169Spring-lock type clamp device
Into a housing (3) is hermetically inserted an annular piston (5), and into the annular piston (5) is hermetically inserted an output rod (8). A spring (14) located below the piston (5) moves the piston (5) upward for...
02/13/2007
7152846Gripping tool with orthogonal handles
A gripping tool having a handle oriented orthogonally to the plier jaws to facilitate various operations, such as pulling a wire through a drawplate. ...
12/26/2006
7121539Electrically driven tool
A motor pack for an electrically driven tool includes at least one electric motor and a linearly displaceable member coupled to the electric motor such that the linearly displaceable member is displaced axially by operation of the at least one electric motor. The mo...
10/17/2006
7111835Clamp 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
7108461Clamp with magnetic spindle positioner
A clamping apparatus includes a clamp arm that is pivotable between a raised position and a lowered position, and a clamp spindle assembly that is adjustably positionable along the length of the arm. A magnet in the clamp spindle assembly magnetically engages the cl...
09/19/2006
7108255Locking mechanism for locating pin with integrated clamp
A locking mechanism for a locating and clamping fixture is provided, wherein the locking mechanism comprises a drive pin that is linearly positionable along a first axis. The drive pin comprises a driver portion and a driven portion, wherein the driver portion is co...
09/19/2006
7104534System 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
7066458Powered clamp assembly
A powered clamp assembly is provided having an actuator, a cam member, a jaw arm, and a bearing member. The cam member has a camming surface and is driven by the actuator. The jaw arm is pivotable about an axis. The bearing member is attached to the jaw arm, as well...
06/27/2006
7011284Pivotable 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
7008153Machine 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
7007938Clamping apparatus
A workpiece cradle and a clamp arm is provided, and an arm opening/closing cylinder 15 for opening and closing the clamp arm and the workpiece cradle are attached to a moving block 13. To a workpiece-cradle driving cylinder 23 provided with a pi...
03/07/2006
6979156Machine 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
6948708Gripper 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
6932335Locking clamp
A locking clamp that includes a base member. The locking clamp further includes a bar pivotally connected to the base member on one end thereof. A handle is pivotally connected to a base member on an end opposite of the bar. The clamp further includes a link connect...
08/23/2005
6925697Guard rail tool
A Guard Rail Tool for installing guard rails along a road or a highway. A fixed claw and a rotatable claw are mounted on opposite sides of a fixed handle which presses against the guard rails when a rotatable handle is closed against the fixed handle. ...
08/09/2005
6908077Clamp with swinging and linear motion
A clamping apparatus has a body and an elongated member that is extendable from the body. In another aspect of the present invention, a clamp has a workpiece engaging arm mounted adjacent an end of the elongated member. A further aspect of the present invention caus...
06/21/2005
6905116Toggle clamp with compression spindle assembly for clamping
A toggle clamp comprises a compression spindle assembly with a plunger and a spindle. The plunger has a chamber dimensioned to slidingly receive the spindle in a telescoping arrangement, and a resilient member disposed in the plunger chamber to urge the spindle away...
06/14/2005
6877730Powered clamp
A powered clamp includes a pair of moveable members which engage one another to maintain, at least temporarily, a locking position of an arm when actuating fluid pressures have been decreased or lost. In another aspect of the present invention, the apparatus is simp...
04/12/2005
6869068Electric clamping device
The present invention provides a low-cost electric clamping device in which a toggle linkage can be actuated by a small low-torque electric motor. The device includes a gear speed reducing mechanism connected to the electric motor, a linkage connected to the speed r...
03/22/2005
6817603Clamping tool
A clamping tool serving for clamping a workpiece on a support by a bar system constructed of a number of mutually pivotal bars comprising an activation bar for at operation making the bars pivot mutually between an initial position and locking position, a clamping b...
11/16/2004
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