Control device to connect an idling gear wheel mounted on a shaft and said shaft, especially for vehicle gearbox

摘要

Annular ring (5) integral in rotation with the shaft (2) and free in translation along the same shaft. The teeth (8) can be engaged with the teeth (6) of the idle pinion (3) or far from it. The annular ring has also a inclined teeth (15) cooperating with the teeth (14) of a command pinion (13), which is part of a command organ (12). The command motor (16) can drive the command pinion at different speeds and displace the annular ring towards the idle pinion. A spring (10) is opposing the movement of the ring.