| 摘要 |
<p>The invention concerns a secondary toothed gear wheel (16), comprising a shaft (15) comprising a non-cylindrical portion (17) capable of engaging with a central opening (14) of a main toothed wheel (10), so as to secure the shaft (15) and the main toothed wheel (10) in rotational movement about an axis of rotation (X) of the main toothed wheel (10), said shaft (15) being integral with the secondary toothed wheel (16).</p> |
