DEVICE TO SUPPLY POWER TO MOVABLE OBJECTS Russian patent published in 1995 - IPC

FIELD: electrical engineering means for supplying movable objects, for instance, clamshells, lifting/lowering chandeliers. SUBSTANCE: has shaft 1 with rigidly fitted drum 2 and freely fitted drum 20. Cable 12 is being wound on drum 2. One end of cable is secured on drum and the other end, passing over sheave pair 13, is secured on movable object. Cable 11 is being wound on drum 20. One end of cable is secured on drum and the other end, on movable object. Spring 21 is placed between end face of drum 20 and support 5 on shaft 1. Shaft has cap on one end. This end is arranged in bushing secured on support 5 by locknut pair. Such design of device provides for adjusting position of drum 20 relative to drum 2. EFFECT: enlarged operating capabilities. 2 cl, 3 dwg