| 摘要 |
A torque transmitting, bicycle frame coupling (50) is provided which connect s to the frame tubes (1, 11) of a bicycle. The coupling (50) replaces a portion of the tubes (1, 11) and has clutch teeth (3, 7) on their engaging faces. Each coupling (50) is actuated, pulling the tubes (1, 11) together and joining them through use of specialized clutch teeth (3, 7) under compression provided by a threaded lug (2), a removable-shoulder lug (9) with a removable shoulder (4) and a threaded coupling nut (5). The removable shoulder (4) makes the nut (5) and shoulder replaceable, and makes possible an additional shoulder (10) on the tube connecting end of the removable-shoulder lug (9) to keep the nut (5) from slipping onto the tube (11).
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