LIFT Russian patent published in 1997 - IPC

FIELD: mechanical engineering; pneumatic lifts and their control systems. SUBSTANCE: device has housing 1 with branch pipe 2. Housing accommodates reversible drive drum 4 with wound on variable area elastic hose 5. Other end of hose is turned inside out and secured over perimeter of branch pipe 2, thus forming circular space with rod 7 installed along its axis. Housing 1 communicates with working agent distribution system. EFFECT: enlarged operating capabilities. 1 dwg