Cap for bearing device
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United States of America Patent
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May 3, 2016
Grant Date -
Jan 8, 2015
app pub date -
Jan 24, 2013
filing date -
Feb 10, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A cap for bearing device is attached to one end portion of an outer race member in a bearing device to block an opening portion, and includes: a cylindrical part that is fitted to the outer race member; a lid part configured to block an end portion of the cylindrical part; an annular seal part configured to, when being fitted to the outer race member, be compressed between the cap for the bearing device and the outer race member; and a ventilation part, which, in the course of fitting the cylindrical part to the outer race member, allows air to pass between inside and outside of a bearing space, and in the state where the cylindrical part is fitted to the outer race member, the ventilation is shut down.
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