LIFT FOR MOVEMENT INSIDE VERTICALLY INSTALLED OBJECT Russian patent published in 1995 - IPC

FIELD: lifting facilities. SUBSTANCE: lift has platform of shape corresponding, in plan, to shape of serviced object and connected by traction cables with drive. Platform is installed on cable guides installed and tensioned inside object. Number of guides corresponds to number of traction cables. Guides are installed in pairs. Placed on lower part of platform near each pair of traction cables are safety devices which operate if carrying cable of this pair is broken and clamp the guide of this pair of cables. Synchronous operation of drums is provided by toothed wheels mounted on drums and placed in meshing with each other. Cables paid out of drums are distributed over platform by means of deflecting sheaves. EFFECT: enlarged operating capabilities. 4 dwg