Methods of assembling components of an electric motor

Details Methods of assembling components of an electric motor Methods of assembling components of an electric motor

1984-07-31

1986-03-11

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

310 42, 310 50, 310 71, H02K 1514

Patent

active

045744718

ABSTRACT:
Two pairs of contact strips are mounted on the respective bridge members of an integral web portion of the molded field case of a power tool or other motor-driven device. The forward ends of the contact strips are cantilever mounted and automatically engage the respective terminals on the field, as the field is inserted into the field case and is secured therein. An annular wire harness is mounted on the rear bearing boss of the field case. Spaced contacts are carried by the wire harness and engage the respective ends of the first pair of contact strips. The respective ends of the second pair of contact strips are connected to terminals on the ends of the brush shunts. In a reversing embodiment, a third pair of contact strips is mounted on the bridge, and a rotatable reversing subassembly is mounted on the rear bearing boss in lieu of the wire harness.

REFERENCES:
patent: 2045218 (1936-06-01), Desoutter
patent: 3210577 (1965-10-01), Hogue
patent: 3440465 (1969-04-01), Pratt et al.
patent: 3984712 (1976-10-01), Hill
patent: 4090098 (1978-05-01), Kranzler et al.
patent: 4348603 (1982-09-01), Huber

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