RIDING LAWN MOWER FRICTION DRIVE

摘要

Disclosed herein is a riding lawn mower including a friction drive comprising a rotatably driven disc mounted on a frame, together with a bracket which supports a roller and which is movable relative to a position locating the roller in driving engagement with the disc and means on the frame for biasing the bracket so as to initially engage the roller with the disc with a first normal force and for subsequently increasing the normal force between the roller and the disc.