Magnetic disk drive motor

Details Magnetic disk drive motor Magnetic disk drive motor

1995-09-08

1997-08-05

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 90, 384118, 384276, 384295, 384620, 384626, H02K 704, H02K 708

Patent

active

056545975

ABSTRACT:
A magnetic disk drive motor includes a hub stand for driving a disk while carrying the disk thereon, a shaft fixed to the middle of the hub stand, a rotor case attached to an end of the shaft and having a drive magnet on an inner side of a circumferential wall thereof, a substantially cylindrical housing rotatably supporting the shaft through a bearing, and a base plate supporting a stator core, wherein an end of the bearing is in slidable contact with the hub stand; and at least a part of the one end surface of the bearing is cut away.

REFERENCES:
patent: Re34268 (1993-06-01), Muller
patent: D227397 (1973-06-01), Steinke
patent: 3727396 (1973-04-01), Hetzel
patent: 4851731 (1989-07-01), Saotome et al.
patent: 5036235 (1991-07-01), Kleckner
patent: 5109171 (1992-04-01), Schmider

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