BICYCLE HUB ASSEMBLY WITH TWO TRANSMISSION DIRECTIONS
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United States of America Patent
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Issued Date -
May 31, 2012
app pub date -
Nov 30, 2010
filing date -
Nov 30, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A bicycle hub assembly includes a hub and a tubular portion extends from one end of the hub. A sprocket is connected to the tubular portion. A ratchet unit is located between the hub and the transmission unit so that the hub and the transmission unit are operatively connected to each other indirectly and in one way by the ratchet unit. A control unit has first positioning portions on the hub and second positioning portions integrally formed with the tubular portion. The first positioning portions and the second positioning portions are connected to each other by bolts, and the first positioning portions and the second positioning portions are separated from each other when the bolts are removed. The hub assembly can be switched between direct and two-way transmission into indirect and one-way transmission by arrangement of the bolts.
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