Metal working – Method of mechanical manufacture – Electrical device making
Patent
1981-05-08
1984-04-03
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
29418, 310237, H01R 4308
Patent
active
044399138
ABSTRACT:
A method of manufacturing frontal commutators including placing mica sheets in precut grooves of a commutator blank and contacting the blank to retain the mica sheets in place.
REFERENCES:
patent: 2202820 (1933-08-01), Baird et al.
patent: 3293694 (1966-12-01), Taylor, Jr.
Hall Carl E.
Mavilor Systemes
Schellin Eric P.
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