Brush device for miniature electric motor

Details Brush device for miniature electric motor Brush device for miniature electric motor

1976-12-09

1978-04-18

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 40MM, H02K 1300

Patent

active

040853462

ABSTRACT:
A brush device for a miniature electric motor constructed with a brush holder made of a leaf spring having a pair of flaps for holding a commutator brush, which are opposed each other along the longitudinal direction of a flat surface part, and which are formed in an inwardly bent shape, a guide member for insertion of the commutator brush formed at a corner of each of the pair of flaps, and a fitting member for the brush holder onto the main body of the motor; and a commutator brush having a head part to be inserted and held between said pair of flaps provided along the side edges of the flat surface part of the brush holder.

REFERENCES:
patent: 1101814 (1914-06-01), Sammarone
patent: 2358958 (1944-09-01), Brown
patent: 2520379 (1950-08-01), Ward
patent: 3234420 (1966-02-01), Lindner
patent: 3431442 (1969-03-01), Mabuchi
patent: 3475635 (1969-10-01), Mabuchi

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