Spindle motor with a sealing member
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United States of America Patent
Stats
-
Jan 10, 1995
Grant Date -
N/A
app pub date -
Feb 25, 1993
filing date -
Feb 28, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A spindle motor comprises a stationary member, a hub which is mounted rotatably on the stationary member through a pair of bearings, a rotor magnet which is mounted on the hub, a stator located face to face to said rotor magnet and a clamp for mounting recording disks to the hub. The hub is provided with a mating protrusion for fixing the clamp, the mating protrusion is fitted with a flat end of the hub, and the clamp is fixed by mounting the flat end of the hub with a fastening screw. Further, with a sealing member being fitted on the bearing, a labyrinthine sealing structure is formed with the sealing member and the stationary member.
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