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Class Information
Number: 451/137
Name: Abrading > Machine > Rotary reciprocating tool > Cylindrical tool > Rectilinear > Reciprocating work holder > Rectilinear
Description: Abrading machine in which the workpiece is moved to-and-fro along a straight line.










Patents under this class:

Patent Number Title Of Patent Date Issued
8419509 Swivel device and grinding machine incorporating the same Apr. 16, 2013
7614939 Chemical mechanical polishing system having multiple polishing stations and providing relative linear polishing motion Nov. 10, 2009
7097544 Chemical mechanical polishing system having multiple polishing stations and providing relative linear polishing motion Aug. 29, 2006
6923713 Cylindrical grinder, and mechanism for producing relative movement between grinding wheel and workpiece in cylindrical grinder Aug. 2, 2005
6273784 Surface treatment method and apparatus for support of lithographic plate Aug. 14, 2001
5938381 Method and tool for creating a concave surface from a spectacle blank Aug. 17, 1999
5895311 Abrasive device that maintains normal line of contact with curved abrasive surface and method of using same Apr. 20, 1999
5136815 Contacting mechanism for installation for ultrasonic dimensional treatment Aug. 11, 1992
4914870 Process for automatically smoothing and polishing slabs or marble, granite, stones and the like Apr. 10, 1990
4618297 Method and apparatus for machining racks for steering gear Oct. 21, 1986
4502253 Surface treating and testing apparatus Mar. 5, 1985
4490944 Pressure-compensated hydraulic positioning system Jan. 1, 1985
4459783 Workpiece weighing system for conditioning grinders Jul. 17, 1984
4248019 Workpiece conditioning grinder control system Feb. 3, 1981
4055918 Grinding machine Nov. 1, 1977











 
 
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