Hub device for bicycle
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United States of America Patent
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May 13, 2014
Grant Date -
Oct 13, 2011
app pub date -
Oct 14, 2010
filing date -
Apr 12, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A hub device for a bicycle includes a hub case which is attached to a center of a wheel for receiving a load exerted from a rim to which a tire is fitted, and formed to have each inner diameter of both end portions larger than a diameter of a center portion, a sleeve with plural slits in a circumferential direction and a cylindrical shape integrally attached to the hub case at the inner diameter side, which serves to transfer the load exerted to the hub case to a shaft, a bearing for receiving the load exerted to the sleeve and rotatably supporting a whole structure of the wheel, a shaft for rotatably supporting the whole structure of the wheel via the bearing, and spherical washers attached to both end portions of the shaft.
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