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Class Information
Number: 451/227
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Reciprocating work holder > Rocking > Work rotating
Description: Abrading machine in which the rocking workpiece is turned about an axis while being abraded.

Sub-classes under this class:

Class Number Class Name Patents
451/228 Noncircular cross section 29

Patents under this class:

Patent Number Title Of Patent Date Issued
5439412 Machine for use in the manufacture of power steering valves Aug. 8, 1995
5299388 Machine for use in the manufacture of vehicle power steering gears Apr. 5, 1994
4651471 Edge-rounding method and apparatus therefor Mar. 24, 1987
4635403 Edge rounding machine Jan. 13, 1987
4513540 Grinding machine with CNC pivotable workhead Apr. 30, 1985
4330966 Groove grinding fixture May. 25, 1982
4203259 Apparatus for edging ophthalmic lenses May. 20, 1980
4172338 Apparatus for grinding or polishing article having cylindrical or curved surface Oct. 30, 1979
4052175 Automatic snag grinder Oct. 4, 1977
4048759 Turntable support structure for radius mills and the like Sep. 20, 1977
4037365 Apparatus for cutting arcuately-shaped worms Jul. 26, 1977
3975866 Method and apparatus for machining housings for slant axis rotary mechanisms Aug. 24, 1976
3930342 Sharpener for twist drills Jan. 6, 1976

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