Starting electric motor

Electrical generator or motor structure – Dynamoelectric – Rotary

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Details

310 89, 310 43, H02K 1300

Patent

active

048975710

ABSTRACT:
A starting electric motor comprising: an armature rotary shaft on which an armature is mounted; a commutator mounted on the rear end portion of the armature rotary shaft; power supplying brushes slidably held on the commutator; brush holders which hold the brushes, respectively; a rear bracket of resin which rotatably supports the armature rotary shaft in association with a front bracket; a yoke having magnetic field means which is fixedly held between the rear bracket and the front bracket; a conducting base of electrically conductive material on which the brush holders are mounted, and which is held between the yoke and the rear bracket; through-bolts inserted into the rear bracket and the front bracket, tightening the yoke and the conducting base together; and metal plates provided between the seats of the through-bolts and the outer surface of the periphery of the rear bracket.

REFERENCES:
patent: 4355253 (1982-10-01), Vollbrecht
patent: 4538085 (1985-08-01), Tanaka
patent: 4673838 (1987-06-01), Takagi et al.

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