| 摘要 |
<p>A composite sprocket. The sprocket comprises an outer ring (20) mounted to an inner hub (10). The outer ring has a profile (21,22), for example, a toothed profile. The toothed ring comprises a thermoset material such as polyurethane. The hub comprises any suitable metallic or non-metallic material sufficient for transmitting a torque from the ring to a shaft.</p> |
