| 摘要 |
<p>The cogset (1) for the gear of bicycles or the like comprises: at least a first mobile cog (4), associated sliding and integral in rotation with the hub (A) of a wheel (B) of a bicycle (C) and suitable for being moved along a sliding direction (E) between a first retracted position, wherein it is substantially moved away with respect to the chain (D) of the bicycle (C), and a first work position, wherein it is suitable for being engaged by the chain (D); at least a second mobile cog (5) with a different diameter with respect to the first mobile cog (4), associated sliding and integral in rotation with the hub (A) and suitable for being moved along the sliding direction (E) between a second retracted position, wherein it is substantially moved away with respect to the chain (D), and a second work position, defined in the proximity of the first work position, wherein it is suitable for being engaged by the chain (D); movement means (17) operatively associated with the first and second mobile cogs (4, 5) and suitable for moving in succession the first and second mobile cogs (4, 5) between the first and second retracted positions and the first and second work positions.</p> |
