Bearing device for motor

Details Bearing device for motor Bearing device for motor

1994-02-03

1995-04-18

Footland, Lenard A.

Bearings

Rotary bearing

Plain bearing

384151, F16C 3374

Patent

active

054072832

ABSTRACT:
The invention relates to a bearing device for a motor comprising a rotor frame with a field magnet provided on an inner periphery thereof, a shaft coupled to the rotor frame, an oilless bearing for rotatably supporting the shaft, a stator fixedly accommodating the oilless bearing, and a stator fixed to an outer peripheral portion of the stator boss. The bearing device comprises an annular oil seal washer made of a viscoelastic member with an least an adhesive layer provided on a surface thereof, and a substantially disk shaped resin cap. The oil seal washer is sandwiched between an end surface of the stator boss and the resin cap fixed on an inner peripheral surface of a stator boss supporting portion.

REFERENCES:
patent: 4600318 (1986-07-01), Miller
patent: 5035681 (1991-07-01), Hertel et al.
patent: 5145266 (1992-09-01), Saneshige et al.

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