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Class Information
Number: 451/418
Name: Abrading > Attachment > To electrical machine to abrade commutator
Description: Attachment adapted to be secured to an electric motor or generator and to abrade the commutator thereof.

Patents under this class:

Patent Number Title Of Patent Date Issued
7888838 Electrical device comprising a carbon brush shape adapting device Feb. 15, 2011
6952067 Rotary electric machine and a method of producing the same Oct. 4, 2005
6183355 Adapter apparatus for sanding, grinding or buffing Feb. 6, 2001
5185967 Apparatus for truing out of round rotating components Feb. 16, 1993
4536915 Machine for truing electrical collectors and the like Aug. 27, 1985
4525957 Apparatus and method for finishing radial commutator Jul. 2, 1985
4355553 Portable turning tool Oct. 26, 1982
4007562 Grinding apparatus for commutators Feb. 15, 1977
3965623 Method for trueing commutators and slip rings Jun. 29, 1976

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