TWO-DIRECTION HUB ASSEMBLY
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United States of America Patent
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N/A
Issued Date -
Sep 13, 2012
app pub date -
Mar 7, 2011
filing date -
Mar 7, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A hub assembly includes a hub and an axle extending through the hub. A ratchet ring is located in the hub and has multiple ratchet teeth in an inside thereof. A transmission unit has a ratchet part located in the ratchet ring and the ratchet part has at least one transmission recess and at least one positioning recess defined in an outside thereof. The at least one transmission recess and the at least one positioning recess respectively have a transmission piece and a positioning pieces rotatably received therein. The transmission piece has a driving end engaged with one of the ratchet teeth. A resilient ring restricts the transmission piece and the positioning piece on the ratchet part. By the switch the transmission piece and the positioning piece, the transmission direction can be changed.
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