DECORATION LIFT AND LOWERING DEVICE Russian patent published in 1994 - IPC

FIELD: scene equipment. SUBSTANCE: device has cables for suspension a transfer bar with a decoration fastened to it, rope pulleys formed by a pair of blocks and a roller with a hook positioned on the cable between the blocks of each pair. A drum to which the ends of the cables are fastened is mounted on a frame and has a handle for its rotation and a locking device which prevents its rotation. The drum is mounted on a frame for vertical displacement and is spring-loaded relative to the frame by a compression spring. EFFECT: improved structure. 2 dwg