发明名称 |
TWO-DIRECTION HUB ASSEMBLY |
摘要 |
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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申请公布号 |
US2012228923(A1) |
申请公布日期 |
2012.09.13 |
申请号 |
US201113041497 |
申请日期 |
2011.03.07 |
申请人 |
CHIANG PI-YUN;JOY INDUSTRIAL CO., LTD. |
发明人 |
CHIANG PI-YUN |
分类号 |
F16D41/30;B60B27/02;B60B27/04 |
主分类号 |
F16D41/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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