Tachometer generator brush carrier

Details Tachometer generator brush carrier Tachometer generator brush carrier

1979-01-22

1981-09-29

Skudy, R. A.

Electrical generator or motor structure

Dynamoelectric

Rotary

310245, H02K 1300

Patent

active

042925606

ABSTRACT:
A tachometer generator for DC motors in which a brush carrier of insulating material is fastened to the tachometer housing at the end face. Brush holders are arranged on the brush carrier which, together with parts of the brush carrier, form a brush guides. A carbon brush and an associated coil spring is inserted into each brush guide and the coil spring is braced against an abutment of the brush holder. In order to simplify assembly of the brush holder and to improve the current transfer between the brush holder and the coil spring, a channel is formed on the brush carrier as a guide for each brush. The body of the brush holder has the shape of a plate and rests on the channel, forming a brush guide which is enclosed on all sides. Spreading arms are formed on the brush holder which snap into lateral cutouts alongside of the channel of the brush carrier. The coil spring is firmly connected to the brush holder by soldering.

REFERENCES:
patent: 3475635 (1969-10-01), Mabuchi
patent: 3617786 (1971-11-01), Stielper
patent: 3656018 (1972-04-01), Maher
patent: 3714481 (1973-01-01), Dijkstra
patent: 3784856 (1974-01-01), Preston
patent: 3867659 (1975-02-01), Seaburg
patent: 3967148 (1976-06-01), Walsh

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