Brush leaf means

Details Brush leaf means Brush leaf means

1993-11-24

1996-08-06

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310233, 310249, H02K 1300, H01R 3918, H01R 3936, H01R 3908

Patent

active

055436757

ABSTRACT:
Each of the two brush leafs of an electric motor comprises a first resiliently flexible conductive section, attached to a terminal, and an additional resiliently flexible section extending an acute angle to the first section. The first and second ends of the first section are disposed on opposite sides of a contact portion of the additional section which engages a commutator forming part of the motor. It is therefore possible to increase the length of the first section to thereby provide robust brush leafs which are nevertheless capable of flexing sufficiently to accommodate discrepancies in the mounting of the brush leaf means and in concentricity of the commutator.

REFERENCES:
patent: 2850653 (1958-09-01), Naul
patent: 3816783 (1974-06-01), Nakamura et al.
patent: 4086510 (1978-04-01), Watanabe
patent: 4163916 (1979-08-01), Kobayshi
patent: 4368398 (1983-01-01), Mabuchi
patent: 4494026 (1985-01-01), Abe
patent: 4494029 (1985-01-01), Hoshino et al.
patent: 4529899 (1985-07-01), Mabuchi et al.
patent: 4843272 (1989-06-01), Mabuchi
patent: 4851729 (1989-07-01), Baines

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