Motor brush holder assembly

Details Motor brush holder assembly Motor brush holder assembly

1987-11-10

1989-07-04

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 43, 310 68R, 310 71, 310DIG6, H02K 1300

Patent

active

048453960

ABSTRACT:
A brush holder assembly for an electric motor and a method of making it. The assembly comprises a unitary structure formed of a molded plastic housing in which a stamped and formed metal circuit plate is encapsulated. Separate circuit strips are formed by punching circuit bridges out of the plate after it is encapsulated. The separate circuit strips are embedded in one face of a web spanning the housing. On the opposite face of the web, brush holder channels are molded. The separate circuit strips each have a terminal formed unitarily with them, the terminals being embedded in a socket extending radially, outward from the web through a skirt encircling the web.

REFERENCES:
patent: 3225232 (1965-12-01), Turley
patent: 3604960 (1971-09-01), Krestel
patent: 3924147 (1975-12-01), Tarnow
patent: 4090098 (1978-05-01), Kranzler
patent: 4355253 (1982-10-01), Vollbrecht
patent: 4370579 (1983-01-01), Kobayashi
patent: 4546280 (1985-10-01), Pfluger
patent: 4585964 (1986-04-01), Hildebrandt
patent: 4613781 (1986-09-01), Sanders
patent: 4673837 (1987-06-01), Gingerich
patent: 4705983 (1987-11-01), Franz

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