Hand-held tool with an electric motor and wearing shells for sup

Details Hand-held tool with an electric motor and wearing shells for sup Hand-held tool with an electric motor and wearing shells for sup

1985-03-18

1987-01-20

Wong, Peter S.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 68R, 310 89, 310 90, 340648, H02K 504, H02K 714, H02K 1100

Patent

active

046381961

ABSTRACT:
In a hand-held machine tool, a housing formed of two shells accommodates an electric motor, a motor bearing assembly and electric structural components. A brush-side motor bearing includes a bearing support which carries thereon the electric structural components, such as carbon brush holders, chokes for spark quenching, an inductive receiver and light-emitting diodes. The bearing support can be preassembled with these structural components outside the housing and inserted into one of the housing shells.

REFERENCES:
patent: 3403274 (1968-09-01), Robison
patent: 3479540 (1969-11-01), Fox
patent: 4348603 (1982-09-01), Huber
patent: 4420702 (1983-12-01), Mixner
patent: 4471251 (1984-09-01), Yamashita
patent: 4491752 (1985-01-01), O'Hara et al.
patent: 4510404 (1985-04-01), Barrett et al.
patent: 4546280 (1985-10-01), Pfluger

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