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Class Information
Number: 409/903
Name: Gear cutting, milling, or planing > Work holder
Description: Structure to be used with the apparatus of this class, which structure is intended to support a workpiece against gravity and/or against the force of the cutting tool.










Patents under this class:

Patent Number Title Of Patent Date Issued
8568897 Addressable matrices/cluster blanks for dental CAD/CAM systems and optimization thereof Oct. 29, 2013
8551622 Addressable matrices/cluster blanks for dental CAD/CAM systems and optimization thereof Oct. 8, 2013
8172489 Machine tool, in particular for rim machining May. 8, 2012
7035707 System and method for securing workpieces to a worktable of a CNC machining system utilizing a low level vacuum source Apr. 25, 2006
6783310 Self-centering element Aug. 31, 2004
6629355 Machining method and machining system Oct. 7, 2003
6490806 Cam shaft gear positioning system Dec. 10, 2002
5988960 Holder for plurality of workpieces Nov. 23, 1999
5743685 Clamping device for a workpiece processing machine Apr. 28, 1998
5730195 Machining center for the machining of flat workpieces Mar. 24, 1998
5647704 Machining opposite surfaces of a workpiece to be parallel to one another Jul. 15, 1997
5071101 Mold for an intraocular/contact lens Dec. 10, 1991
5002108 Process for the edge planning of rectangular plates Mar. 26, 1991
4949942 Table exchanging device for wood working machine Aug. 21, 1990
4921378 Rotary-pallet system May. 1, 1990
4850099 Machine tool spindle actuated workpiece clamping system Jul. 25, 1989
4789279 System and apparatus for reboring main bearings Dec. 6, 1988
4688321 Method for securing a workpiece to a fixture Aug. 25, 1987
4650379 Pin machining fixture Mar. 17, 1987
4645391 Work set up method and apparatus Feb. 24, 1987
4614469 Multiple collet work-piece holder Sep. 30, 1986
4565476 Internal hydraulic clamp Jan. 21, 1986
4561814 Mechanical tool manipulating method and apparatus Dec. 31, 1985
4530627 Pinless router Jul. 23, 1985
4514122 Pressure foot for machine tool Apr. 30, 1985
4453704 Apparatus for retaining blanks in working machines Jun. 12, 1984
4416570 Precision work holder for machine tools Nov. 22, 1983
4382728 Workpiece retaining pressure-foot assembly for orthogonally movable machine tool May. 10, 1983
4304512 Machine tools Dec. 8, 1981
4289305 Work piece holder for woodworking machine Sep. 15, 1981
4260307 Work table for machine tools Apr. 7, 1981
4251174 Roller hold down Feb. 17, 1981
4201376 Adjustable clamp for V-block May. 6, 1980
4158987 Pressure foot for machine tool Jun. 26, 1979
3990689 Adjustable holder assembly for positioning a vacuum chuck Nov. 9, 1976











 
 
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