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Class 279/2.19 - Rotary actuator


Subclass of Class 279 - Chucks or sockets
Definition: A device having means adapted to expand the means for making
No. of patents: 17
Last issue date: 03/13/2012


NumberTitleIssue Date
8132816Electrically Actuated Robotic Tool Changer
A robotic tool changer comprises first and second units, operative to be separately attached to a robot and a robotic tool, and further operative to be selectively coupled together and decoupled. The first and second units are coupled and decoupled by an electric mo...
03/13/2012
7077356Core chuck
A core chuck includes “lock and key” or “key and keyhole” interfaces between the central cam and the mounting plate and the central cam and the end cap. The central cam includes central region having a multi-faceted camming surface adapted to expand and retr...
07/18/2006
6457920Clamping system for detachably assembling two pieces
A clamping system for detachably assembling two pieces. The clamping system includes a clamping device concentrically mounted in a receiving section which extends in a hollow shaft of one of the two pieces, when the two pieces are engaged. The clamping sy...
10/01/2002
5785325Shaft bearing on a machine tool
A shaft bearing for mounting the shaft ends of a rotating workpiece to be machined, especially an intaglio printing cylinder, has a rotatably mounted clamping chuck clamping the shaft end and having a hollow clamping head. The clamping head has gripping p...
07/28/1998
5594981Apparatus for telescopically assembling a tubing segment on a length of tubing
An apparatus is disclosed which has utility for assembling a flexible tubular segment telescopically upon an end portion of a length of tubing when the tubing has an outer diameter which is substantially the same or greater than the inner diameter of the ...
01/21/1997
5328180Rigid clamp
The invention relates to a clamp mechanism that can be used to attach or temporarily support objects inside of tubular goods. The clamp mechanism can also be modified so that it grips objects. The clamp has a self-centering feature to accommodate out-of-r...
07/12/1994
5234222Workpiece support tool
A workpiece support tool is disclosed for use with in providing an infinite variety of positions to receive and engage workpieces of differing shapes and sizes. The workpiece support tool provides precise support and positioning of the workpiece with resp...
08/10/1993
5022665Workpiece support tool
An improved workpiece support tool is disclosed for use with a variety of workpieces. The support tool provides precise support and positioning of the workpiece with respect to an operational centerline during the balancing operation. The support tool inc...
06/11/1991
4964586Releasable holding device for cores
A device for releasably holding a core or the like relative to a drive shaft passing therethrough includes at least two clamping elements located within the core. Guide pieces are fixed to a ring disc which surrounds a ring connected to the drive shaft. T...
10/23/1990
4623154Center chuck assembly
A center chuck assembly for rotatably supporting the end of a cylindrical workpiece comprises a shaft rotatable in a mounting pipe to be mounted on a receiving member and having an operating flange and a disc formed on the outer end thereof. The disc has ...
11/18/1986
4589667Vacuum compatible colleting spindle
Apparatus is provided in which a colleting and spindle assembly for lifting and rotating a substrate mounting chassis within a high vacuum sputtering chamber is mounted. Lifting and clamping action is accomplished utilizing rolling contact between surface...
05/20/1986
4436574Radial mandrel
A radial mandrel is provided having a plurality of alternating and interfitting large and small segments mounted on a pair of cones, which cones are movable axially toward and away from one another to in turn move the segments radially inwardly and outwar...
03/13/1984
4254856Coupler of winding key with power spring
A coupler of winding key with a winding shaft comprises a threaded member formed on one of the key and the shaft and a bottomed aperture formed in the other in which a coiled spring is locked against withdrawal. The threaded member is threadably engaged w...
03/10/1981
4106720Expandable internal chuck
A expandable internal chuck for holding an item is disclosed and has an internal hub adopted to be mounted on a machine, a hub bearing having an axis at an acute oblique angle to the axis of the hub, a sleeve rotatably mounted on the hub bearing and havin...
08/15/1978
4015086Hinged welding machine
A traveling carriage is adapted to support and guide a welding head, a propelling apparatus, a wire feed mechanism and a reel for winding a continuous length of welding wire thereon. The welding unit is adapted to travel about an upstanding circumferentia...
03/29/1977
3999452Tool for preparing tube ends for welding
A tool for preparing tube ends for welding comprising a rotary tool head connected to the drive shaft of an air motor driven angle drive unit, said tool head having a plurality of radially extending arms provided with inclined cutting edges operative, upo...
12/28/1976
3993317Core chuck
A core chuck comprising radially movable exterior jaw members, means operative in response to a relative rotation between the jaw members and those means to apply a radially outward force to the jaw members, and biasing means for urging the jaw members to...
11/23/1976
 
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