Fan motor
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United States of America Patent
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-
Jul 25, 1995
Issued Date -
N/A
app pub date -
Jan 7, 1994
filing date -
May 27, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
A fan motor has a pair of ball bearings placed in the vicinity of each end of an inner side of a bearing race. A plurality of projections are sequentially placed circumferentially around a center portion of the bearing race to axially locate both the ball bearings. A plurality of low-profile projections are sequentially formed between neighboring projections on the inner side surface of the bearing race and are axially elongated from one installing position to that of another installing position of respective ball bearings. The ball bearings are supported by the inner side of each low-profile projection respectively at one end portion and the other end portion of the low profile-projections.
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