| 摘要 |
<p>The device has a controlled assistance electric motor (12) acting parallel to a driver on a gear-shifting lever (9) that is external to a gear box, along speed to be engaged and an engagement phase for facilitating the gear shifting. The assistance motor is housed in a closed protection box (13) that is integrated with a bearing (2) of an internal control axle (3) connected to the lever. The shifting lever holds a drive pin (26) displaced in an opening of an assistance lever (24).</p> |
