LIFTING DEVICE Russian patent published in 1995 - IPC

FIELD: transport; maintenance and repair of automobiles. SUBSTANCE: flexible hose is hermetically connected over perimeter of base of cylindrical housing with support platform for load to be lifted. Space formed by hose communicates with working agent supply system. Hose has flexible thread wound on drive drum installed in housing base. Lifting device has additional cylinder installed on fixed cylinder. Rigidly secured on upper end of cylinder is support bushing engaging with end face of hose and with rod of support platform for longitudinal displacement relative to each other. EFFECT: enlarged operating capabilities. 1 dwg