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Class Information
Number: 269/49
Name: Work holders > Holder inserted within work aperture > Inserted holder movable relative to work backup
Description: Device wherein there is provided a work holder portion engaging one surface of the work, and the work holder portion which is insertable within the work aperture is so mounted that it may move toward and away from both the first mentioned work holder portion and the work, entering the aperture through a work surface opposite such first named surface.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7556188 Clamping device for weld seam-backing member Jul. 7, 2009
7448607 Pin clamp assembly Nov. 11, 2008
7370856 Rotating head pin clamp May. 13, 2008
7311301 Hook pin unit having weld slag protection Dec. 25, 2007
7300042 Radial-type temporary fastener, components and tool Nov. 27, 2007
7182326 Pin clamp Feb. 27, 2007
7146717 Component rejection station Dec. 12, 2006
7108255 Locking mechanism for locating pin with integrated clamp Sep. 19, 2006
7029000 Sealed locking pin locator clamp Apr. 18, 2006
7017895 Positioning and clamping device Mar. 28, 2006
6913254 Locating assembly having an extendable clamping finger Jul. 5, 2005
6903316 Method and apparatus for induction hardening Jun. 7, 2005
6902160 Locating pin with integrated clamp Jun. 7, 2005
6902159 Sealed pin locating and clamping apparatus Jun. 7, 2005
6827345 Wedge-lock fastener and associated installation and assembly methods Dec. 7, 2004
6786478 Locating assembly having an extendable clamping finger Sep. 7, 2004
6755407 Tool clamp and method Jun. 29, 2004
6736385 Centering and clamping tool May. 18, 2004
6698736 Clamping locator Mar. 2, 2004
6695359 Device for centering and gripping, particularly for pieces of automobile body work Feb. 24, 2004
6648316 Device for centering and clamping a sheet metal assembly or a mechanical part Nov. 18, 2003
6591468 Sink lifting device Jul. 15, 2003
6557229 Positioning tool for installing food waste disposers May. 6, 2003
6439560 Positioning and clamping apparatus Aug. 27, 2002
6371468 Universal workpiece holder Apr. 16, 2002
6364300 Clamp apparatus Apr. 2, 2002
6357735 Fixture Mar. 19, 2002
6342138 Clamp for electroplating articles Jan. 29, 2002
6102383 Combined centering and clamping device for use in the automotive industry Aug. 15, 2000
6098272 System for maintaining concentricity of a combination of a top and bottom substrate during the assembly of a bonded storage disk Aug. 8, 2000
6086976 Semiconductor wafer, handling apparatus, and method Jul. 11, 2000
6056283 Tack fastener May. 2, 2000
5971382 Self locating locator and gauge Oct. 26, 1999
5845898 Self-adjusting ball-lock pin Dec. 8, 1998
5839647 Welding clamp for pipe fittings Nov. 24, 1998
5798021 Clamping apparatus for an electrofusion joint Aug. 25, 1998
5707053 Blind alignment and clamp up tool Jan. 13, 1998
5588642 Clamping apparatus Dec. 31, 1996
5584427 Weld spring clip and welding technique Dec. 17, 1996
5573229 Fixture for aligning and clamping pipes Nov. 12, 1996
5317790 Clamping device for a plane thread layer and use of said device Jun. 7, 1994
5303908 Device for releasably securing two objects together Apr. 19, 1994
5067696 Device for clamping two metal objects which are to be welded together Nov. 26, 1991
5016694 Clamping assembly May. 21, 1991
4845818 Device for changing fuel pump on internal combustion engine Jul. 11, 1989
4782587 Slider holding apparatus Nov. 8, 1988
4738832 Crystal holder Apr. 19, 1988
4615514 Holding apparatus and method for securely positioning members to be joined by welding or the like Oct. 7, 1986
4611743 Device for aligning a weldolet and a pipe to be joined Sep. 16, 1986
4487110 Clamping element Dec. 11, 1984

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