Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1995-06-28
1998-08-11
Dougherty, Thomas M.
Electrical generator or motor structure
Dynamoelectric
Rotary
310245, 310248, 310249, 310238, H01R 3938
Patent
active
057931410
ABSTRACT:
The invention provides a brush cartridge for a commutator-type motor. The brush cartridge includes a housing that is made of an electrically conductive material and that has an integrally formed terminal so that the cartridge can be plugged into a circuit without the need for wiring. The brush cartridge also includes a brush supported in the housing for sliding movement relative thereto and a spring member for biasing the brush into engagement with a commutator on the motor when the cartridge is installed. The brush cartridge also includes a flexible shunt connected between the housing and the brush. The shunt limits the range of sliding movement of the brush to permanently retain the brush in the housing.
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Hessenberger Jeffrey C.
Simonsen Glenn H.
Dougherty Thomas M.
Milwaukee Electric Tool Corp.
Williams Timothy A.
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