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Class Information
Number: 451/132
Name: Abrading > Machine > Rotary reciprocating tool > Cylindrical tool > Rectilinear > Opposed
Description: Abrading machine and having a second rotary rectilinearly reciprocating cylindrical tool arranged to act upon opposite sides of the work simultaneously with or in alternation to the first tool.

Sub-classes under this class:

Class Number Class Name Patents
451/133 Reciprocating work holder 2
451/134 Rotating work holder 10

Patents under this class:

Patent Number Title Of Patent Date Issued
8523634 Method for the grinding of a profile of a workpiece Sep. 3, 2013
7270592 Milling machine Sep. 18, 2007
7226338 Milling machine Jun. 5, 2007
7147547 Method and device for grinding a rotationally symmetric machine part Dec. 12, 2006
5369915 Grinding apparatus for grinding end faces of armature Dec. 6, 1994
5367833 Unidirectional abrasive flow machining Nov. 29, 1994
4841679 Method and apparatus for manufacturing cam elements Jun. 27, 1989
4825598 System for cleaning the surfaces of objects of great surface area from a movable aerial bucket May. 2, 1989
4594814 Machine for and method of chamfering of edges of plate-shaped workpieces, particularly glass disks Jun. 17, 1986
4528777 Knife sharpener Jul. 16, 1985
4393627 Reversing screw/high-low speed level wind screw Jul. 19, 1983
4180047 Above and below water and land pile cutting apparatus and method Dec. 25, 1979
3974594 Elevator tee deburring device Aug. 17, 1976

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