H - Electricity – 01 – R
Patent
H - Electricity
01
R
26/114, 310/127
H01R 39/38 (2006.01) H01R 39/41 (2006.01) H02K 5/14 (2006.01) H02K 13/00 (2006.01)
Patent
CA 1093136
A B S T R A C T The invention is directed to a brush system for an electric motor device having a motor housing made either of electrically conductive or electrically insulating material, The brush system for an electric motor mounted in the housing made of electrically insulating material includes a conductive sleeve mounted in the housing so as to cause a portion of the sleeve to protrude beyond the housing. A carbon brush is provided for contacting the commutator of the electric motor. This carbon brush is slideably disposed in and is electrically connected to the sleeve. spring resiliently biases the carbon brush to extend beyond the sleeve and to resiliently hold the carbon brush against the commutator, A terminal holds an electric lead of the motor. This terminal includes an uninterrupted annular portion which is press-fitted onto and completely surrounding the protruding portion of the sleeve, In electric motor devices wherein the housing is made of metal, the brush system will also in- clude an annular insulated body mounted in the motor housing. The con- ductive tubular sleeve is then mounted in this insulating body to that a portion of the sleeve protrudes out from the end of the insulating body thereby facilitating attachment of the terminal thereto.
308408
Sauerwein William D.
Walton Richard E. II
Black & Decker Inc.
Gowling Lafleur Henderson Llp
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