Patent ID: 6389919
Filing Date: 2002-05-21
Classification: F16H,Y10T

Abstract:
A motor-vehicle gearbox provided with at least two longitudinal parallel shafts provided with at least two gear pairs, in each of which an idler pinion, mounted to rotate on a first shaft, engages with a fixed pinion supported by a second shaft, and provided with means for interlocking each idler pinion on its shaft by means of axially movable coaxial bands, under actuation of operating means provided with operating forks which are mounted to slide in parallel on the shafts, each of which forks are equipped with a transverse foot, at the end of which there is provided a contact toe, the toes being aligned transversely along an arc of a circle to be received in a yoke of an actuator which can be driven in transverse displacement along an arc of the circle to select a fork associated with a gear reduction ratio, and parallel to the shafts to engage the ratio associated with the selected fork by longitudinally displacing a band for interlocking of the idler pinion corresponding to this ratio,wherein all operating forks are mounted to slide on a common axle of the forks, parallel to the shafts, and wherein all operating forks are immobilized in rotation relative to the common axle.