AUTOMATIC FRICTION VARIABLE-SPEED DRIVE Russian patent published in 1998 - IPC

FIELD: mechanical engineering. SUBSTANCE: automatic friction variable-speed drive includes drive and driven shafts which are loose fit on movable axle of roller and hold-down device mounted on driven shaft. Rigidly fitted on ends of shafts are respectively drive and driven disks which are rotatable in parallel planes. Roller is designed for engagement with disks and may move together with movable axle located in support of housing. Movable axle is made in form of flexible member. Spring-loaded support of axle is movable in axial direction. Roller is located at angle relative to drive and driven disks and is rotatable on movable flexible axle. Drive shaft is also provided with hold-down device. EFFECT: automatic change of ratios. 1 dwg