Miniature motor

Details Miniature motor Miniature motor

1993-12-15

1996-11-05

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 71, H02K 1100

Patent

active

055720773

ABSTRACT:
A miniature motor including a case formed into a bottomed hollow tubular shape and having a permanent magnet on the inner circumferential surface thereof, a rotor consisting of an armature and a commutator, and a case cover fitted to an open end of the case, and having brushes making sliding contact with the commutator and input terminals electrically connected to the brushes, in which a ground terminal formed into a substantially W shape in planar projected profile, with a U-shaped engaging part provided at the central part thereof for engaging with the case cover, and pinching parts provided at both ends thereof, is interposed between a pair of the input terminals so that one pinching part of the ground terminal forces one of the input terminals in position, and the engaging part is interposed between the case and the case cover.

REFERENCES:
patent: 5194772 (1993-03-01), Matsushita
patent: 5270599 (1993-12-01), Aoyagi et al.
patent: 5281876 (1994-01-01), Sato
patent: 5287028 (1994-02-01), Suzuki et al.
patent: 5343102 (1994-08-01), Mabuchi et al.
patent: 5357159 (1994-10-01), Hagiwara et al.
patent: 5363005 (1994-11-01), Shibata et al.
patent: 5434460 (1995-07-01), Mabuchi et al.

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