Ball bearing and self-winding timepiece
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United States of America Patent
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N/A
Issued Date -
Sep 8, 2005
app pub date -
Feb 23, 2005
filing date -
Aug 29, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a ball bearing that includes a plurality of balls and a retainer. The present invention also relates to a self-winding timepiece that is provided with a ball bearing. The present invention employs a retainer that is formed from a resin that contains filler as a component element of the ball bearing. Alternatively, the present invention employs a ball bearing that has a retainer that is formed from a resin that contains filler as a component element of the self-winding timepiece.
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