Patent ID: 9150280
Filing Date: 2015-10-06
Classification: B62M

Abstract:
1. A bicycle multi-gear cassette mountable to a wheel hub, the cassette comprising: a truncated conical shell having a first opening proximate a small shell base and a second opening proximate a lame shell base, the openings coaxial with a central axis of the shell, the first opening proximate the small shell base receiving the wheel hub; a plurality of toothed sprockets having different numbers of teeth disposed on the shell and extending radially of the central axis; a torque load transmitting profile configured on the shell proximate one of the small and lame shell bases; a first radial load transmitting profile configured on the shell proximate the lame shell base transmitting radial load to the wheel hub; a cap member extending radially of the shell axis and non-rotatably coupled to the radial load transmitting profile proximate the lame shell base, the cap member including a third opening coaxial with the shell axis and proximate the lame shell base, the third opening receiving the wheel hub; a second radial load transmitting profile configured at the third opening transmitting radial load to the wheel hub; and a third radial load transmitting profile configured at the first opening and transmitting radial load to the wheel hub, wherein the shell, sprockets, and the first and third load transmitting profiles are a single-piece construction; wherein the truncated conical shell comprises: