Miniature motor

Details Miniature motor Miniature motor

1993-07-21

1995-01-17

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310 71, H02K 504

Patent

active

053828526

ABSTRACT:
A miniature motor includes a case made of metallic material and formed into a bottomed hollow cylindrical shape and having a permanent magnet fixedly fitted to the inner circumferential surface thereof. A rotor is provided with an armature and a commutator. A case cap is fitted to an open end of the case and has brushes making sliding contact with the commutator. Input terminals are electrically connected to the brushes directly or via other electrically conductive material. The rotor is rotatably supported by bearings provided on the case bottom and the case cap. Through holes formed into a T shape in cross-sectional profile are provided on the case cap made of a resin material. The input terminals each having a stopper on the lower end thereof and a lanced and raised piece on the central part thereof are passed in the through holes, the lanced and raised pieces are bent to almost right angles with the input terminal surface to fixedly fit the input terminals to the case cap.

REFERENCES:
patent: 3874763 (1975-04-01), Hoover
patent: 4852576 (1989-08-01), Mayumi et al.
patent: 5270599 (1993-12-01), Aoyagi et al.
patent: 5281876 (1994-01-01), Sato

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