Housing structure for geared motors

Details Housing structure for geared motors Housing structure for geared motors

2005-02-01

2005-02-01

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S089000

Reexamination Certificate

active

06849976

ABSTRACT:
A housing structure for geared motors is disclosed. The housing structure is designed to seal the spaces between a stator core and first and second housings to prevent infiltration of moisture and impurities to a motor's drive part through the spaces or formation and growth of ice on the drive part, thus the motor always being smoothly started in its operation, without having a high drive torque undesirably increased to remove ice or impurities from the drive part. The first housing has a support part functioning to rotatably support a first end of the rotating shaft on the stator core, while the second housing has a cup part functioning to rotatably support a second end of the rotating shaft on the stator core. The support part of the first housing includes a first spherical bearing, a first seat part, and a bearing seat. The first housing also has a cylindrical part assembled with the stator core, and a shaft hole rotatably supporting an output shaft of the motor. The cup part of the second housing includes a main depression, a central bearing seat, a cylindrical second seat part, a chamfered part, a second spherical bearing, a spring-biased support plate, and a cover.

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patent: 6700254 (2004-03-01), Wong
Seiji, et al. “Speed reducer and geared motor”,Patent Abstracts of Japan, (2002).

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