| 摘要 |
<p>A bicycle multi-gear cassette (10) mountable to a wheel hub that includes truncated conical shell (12) having a first opening proximate a small shell base and a second opening proximate a large shell base. The openings are coaxial with an axis of the shell. A plurality of toothed sprockets (14) having different numbers of teeth (48) are disposed on the shell and extend radially of the central axis. A torque load transmitting profile is configured on the shell proximate one of the small and large shell bases. A radial load transmitting profile (30,38,46) is configured on the shell proximate one of the small and large shell bases. The shell, sprockets, and the load transmitting profiles embody a single piece. The torque load transmitting profile forms a featureless contact surface for frictional engagement with the wheel hub.
</p> |
