Patent ID: 6296589
Filing Date: 2001-10-02
Classification: F16H,Y10T

Abstract:
A gear engaging stepless speed variator for realization of friction drive-free stepless speed variation comprising:two sets of orientational ON-OFF device;a power output device, being connected with the two sets of the orientational ON-OFF device, for full cycle and full power output; anda speed adjustment device, being connected with the power output device, for handling of stepless speed variation, wherein the orientational ON-OFF device comprises a driving worm, a driven worm, a pair of driving and driven gears, and a worm wheel, whereina) the driven worm having a projecting portion at an end portion of the driven worm shaft,b) the driven gear having a shaft hole in the center portion thereof and being provided with a projecting portion in the shaft hole,c) the driving worm and the driven worm being equal in spiral direction, spiral angle, number of teeth and the module, and respectively mounted parallel and in engagement with the worm wheel,d) the driving gear and the driven gear being equal in number of teeth and in the module, the driving gear being fixed on the shaft portion of the driving worm, the driven gear being rotationally mounted through the shaft hole on the end portion of the driven worm shaft so as for the projecting portion in the shaft hole to be in oppositely adjacent position at the side portions with the projecting portion of the end portion of the driven worm shaft, ande) the driving gear being engaged with the driven gear.