Miniature motor having resilient brush arms

Details Miniature motor having resilient brush arms Miniature motor having resilient brush arms

1987-06-04

1989-06-27

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 45, 310242, 310248, H02K 1300

Patent

active

048432725

ABSTRACT:
A miniature motor having brushgear comprising brush arms with sliding parts on the tips thereof, terminals and brush bases; the brush bases being supported by a motor case cover plate, when the terminals are inserted in brush holes provided on the motor case cover plate; the sliding parts being brought into sliding contact with a commutator by the resiliency thereof, and characterized in that a flexible photo-setting resin having similar resiliency to the resiliency of vibration-damping rubber is applied to the brush arms to prevent the brushes from unwantedly vibrating during rotation of the commutator.

REFERENCES:
patent: 4758757 (1988-07-01), Okumura
McGraw-Hill Dictionary of Scientific and Technical Terms; Third Edition; Sybil P. Parker; McGraw-Hill Book Co.; New York; 1984; 4 pages.

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