Installation with support means for driving an elevator car, and corresponding support environment

摘要

Elevator installation (10) with a Middle section (13) and a Drive pulley (16) used for driving an elevator car (11).The Middle section (13) at least partially surrounds the driving pulley (16) and includes a security section (17) is arranged in such a way that the Security Section (17) comes into interaction with the Drive pulley (16) when the elevator car or counterweight (11) (12) approaching A top box (14.1) after passing a top position (X).The Security Section (17) is constructed in such a way that through the interaction between the Drive pulley (16) and the Middle section (13) produces a Skating.