Continuously variable v-belt drive

Claim 1

An infinitely variable V-belt drive arrangement, comprising input shaft means incorporating two coaxially arranged shaft members disposed behind one another, said shaft members being relatively rotatable with respect to one another through a limited extent, output shaft means, a first pair of spaced cone wheels adjustably mounted on one of said shaft members of said input shaft means, a second pair of spaced cone wheels adjustably mounted upon said output shaft means, a V-belt member trained about said first and second pairs of cone wheels, means for mounting a respective one of each pair of said cone wheels to be axially displaceable but nonrotatable with respect to its associated shaft means, said axially displaceable cone wheel of each associated shaft means being situated diagonally opposite one another, a displaceable two-arm lever means for supporting said respective diagonally opposite situated axially displaceable cone wheels, means for mounting said two-arm lever means intermediate said input shaft means and said output shaft means for displacement in a direction substantially parallel to both said shaft means, means for exerting a torque-dependent side pressure upon said V-velt member provided for said input shaft means, said torque-dependent means comprising a drive part and a driven part and ball means disposed intermediate said drive part and said driven part, said driven part being rigidly connected with said cone wheel of said input shaft means seated opposite said axially displaceable cone wheel of said first pair of cone wheels seated upon said one shaft member of said input shaft means, said drive part of said torque-dependent means being rigidly seated upon the other shaft member of said input shaft means.