H - Electricity – 02 – K
Patent
H - Electricity
02
K
310/126
H02K 5/14 (2006.01) H01R 39/40 (2006.01)
Patent
CA 1171128
COMBINATION END BELL AND BRUSH HOLDER FOR A DYNAMOELECTRIC MACHINE Abstract Of the Invention A one-piece end bell and brush holder for a dynamoelectric machine comprises a cup-shaped cap member molded of electrical insulating material. The cap member has a flat, annular base with its central opening accommodating the rotating shaft of the machine, and a circular outer wall shaped to have interfitting engagement with a cylindrical housing of the machine. Encircling the central opening is a circular inner wall that extends axially from the base a distance sufficient to encompass the commutator of the machine. The inner wall has four equispaced openings formed therein that permit brushes to move radially therethrough for engage- ment with the circumference of the commutator. The brushes are mounted in brush boxes, each of which includes a pair of side walls adjacent to and embracing the opening in the inner wall and extending radially outward from the inner wall to the outer wall. These side walls cooperate with inwardly facing flanges on the top edges thereof and with a radially extending stop member located between the side walls and along the bottom thereof to provide guideways in which the brushes are slidably received and contained. U-shaped terminals are positioned about the circumference of the base of the cap member to straddle its outer edge. Bolts pass through these terminals to fasten the cap member to the machine housing and provide grounded terminals for the brushes.
396830
Vollbrecht Kenneth A.
Briggs & Stratton Corporation
Marks & Clerk
LandOfFree
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