RATCHET BICYCLE HUB ASSEMBLY
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United States of America Patent
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N/A
Issued Date -
Jun 19, 2014
app pub date -
Dec 13, 2012
filing date -
Dec 13, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A bicycle hub assembly includes a hub with an axle extending therethrough. A socket is connected to the hub and has a base connected thereto. The base has multiple pawl recesses and each pawl recess has two receiving portions. A ratchet unit has multiple pawls, multiple resilient members and a toothed ring. The pawls each have a first protrusion and a second protrusion respectively extending from one end thereof. A restriction slot is defined in one side of the pawl. The two ends of the resilient member are respectively received in the two ends of the pawl recess. Each resilient member has a curved contact portion which contacts the restriction slot. The toothed ring is located in the hub and the pawls are engaged with the toothed ring. When the first protrusion is worn out, the second protrusion is engaged with the ratchet teeth and the hub assembly works normally.
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