Brush wear indicating means with engageable electrical contacts

Details Brush wear indicating means with engageable electrical contacts Brush wear indicating means with engageable electrical contacts

1977-11-07

1979-10-30

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310242, H02K 1300

Patent

active

041729889

ABSTRACT:
A brush which presses against the commutator of a machine has secured thereto a resilient spring contact element, and as the brush wears, movement thereof causes physical engagement of the resilient spring contact element with another contact element to complete a current path. The latter contact element is secured to a yoke which surrounds the commutator.

REFERENCES:
patent: 2691114 (1954-10-01), Lykins
patent: 3112419 (1963-11-01), Dobslaw
patent: 3339098 (1967-08-01), Burrows
patent: 3423618 (1969-01-01), Schmid
patent: 3523288 (1970-08-01), Thompson
patent: 3590297 (1971-06-01), Smith
patent: 3898492 (1975-08-01), Vassos

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