Casing having a mounting portion at its inner wall surface for receiving a bearing member therein
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United States of America Patent
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-
Feb 7, 1984
Grant Date -
N/A
app pub date -
Apr 6, 1981
filing date -
Apr 6, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A casing shaped from a light metal material by diecasting, the casing having formed at its inner wall surface a mounting portion having a circular inner surface, the mounting portion being adapted to receive a bearing member having a circular outer surface and serving to journal a shaft. The circular inner surface of the mounting portion has formed thereon a plurality of supporting protrusions spaced at predetermined intervals in the circumferential direction, and the bearing member is press-fitted into the mounting portion. Alternatively, the mounting portion into which the bearing member is to be press-fitted is defined by an annular protruding portion having formed therein a plurality of slits spaced at predetermined intervals in the circumferential direction.
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