Vibration-damping device for miniature motor brushgear

Details Vibration-damping device for miniature motor brushgear Vibration-damping device for miniature motor brushgear

1986-11-20

1988-07-19

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 51, 310239, H02K 1310, H01R 3918

Patent

active

047587571

ABSTRACT:
A vibration-damping device for miniature motor brushgear comprising brush arms having sliding parts at the tips of a plurality of fork-like prongs, terminals and brush bases; the brush bases are supported by a motor case cover and the brush arm sliding parts make sliding contact with a motor commutator by the resiliency of the brush arm in which a soft photo-setting resin is applied on areas at the tips of the brush arms, other than the sliding parts, in such a manner that the fork-like prongs and/or gaps between the prongs are covered by the soft photo-setting resin. The fork-like prongs are individually and separately movable by controlling the flexibility of the soft photo-setting resin, by setting the coating weight or hardness after cure of the soft photo-setting resin to a predetermined value, or by applying soft photo-setting resin having different hardness values in multiple layers.

REFERENCES:
patent: 334823 (1886-01-01), Tesla

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