Grinding apparatus for commutators

Details Grinding apparatus for commutators Grinding apparatus for commutators

1976-01-12

1977-02-15

Jones, Jr., James L.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

B24B 1900

Patent

active

040075621

ABSTRACT:
A grinding apparatus for reforming a surface of a commutator of a motor which has been worn or damaged, comprising a main spindle slidably movable in a guide sleeve as a housing of the apparatus, a cutting and feeding mechanism located at the back end of the main spindle for finely adjusting the grinding depth of a grinding stone arranged at the front end of the main spindle, and a clamping mechanism arranged on the guide sleeve for mounting the apparatus by forced engagement of the clamping mechanism in an opening of a casing of the motor for changing carbon brushes.

REFERENCES:
patent: 841541 (1907-01-01), Kramer
patent: 991996 (1911-05-01), Hunt
patent: 1292177 (1919-01-01), Warther
patent: 1395880 (1921-11-01), Ward
patent: 1881410 (1932-10-01), Lintelmann
patent: 1935805 (1933-11-01), Luft
patent: 2416247 (1947-02-01), Wilcox
patent: 2741078 (1956-04-01), Tenney
patent: 3849946 (1974-11-01), Ogura

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