HOIST Russian patent published in 1996 - IPC

FIELD: materials lifting mechanisms. SUBSTANCE: hoist has base and hoisting member coupled with base by means of flexible band coiled into tube when engaging with guide arrangement which has three rubber rollers fitted in corners of equilateral triangle. Band drive has pair of rollers connected with a motor. Above indicated pair of rollers and drum for winding flexible band are secured on frame hinge-connected to base. Hinge has one degree of freedom. EFFECT: enlarged operating capabilities. 2 dwg