LIFT CABIN END SAFEGUARD Russian patent published in 1998 - IPC

FIELD: mechanical engineering; lifts; safety devices for use when carrying out maintenance operations under lift cabin. SUBSTANCE: device has support post for engagement with cabin and connected with support installed in lift well by means of turnable levers, each being hinge connected by one end with support and by other end, with post. Levers are interconnected by transmission with endless flexible member - cable and sheaves over which cable is passed. Sheaves are stationary connected with levers, thanks to it synchronous turning of levers is provided when post is displaced and jumping of levers is prevented. Each turnable lever is installed for turning into vertical position and four turning in both directions relative to indicated vertical position. Thanks to it post can be shifted into position in which its spontaneous displacement into cabin travel zone at normal operation of lift is precluded and damage to cabin by post is prevented. Device has handle stationary connected with lever to provide convenient control of device by electrician who can stay on storey landing and not necessarily get into pit. EFFECT: enhanced reliability and safety. 3 cl, 3 dwg