DEVICE AND PROCESS TO RESCUE PASSENGERS TRAPPED IN AN ELEVATOR CAR AND ELEVATOR EQUIPPED THEREWITH

摘要

The device to rescue passengers trapped in a stalled elevator car according to the invention is characterized in that it comprises means for disconnecting the power supply of the car drive motor and connecting it as a generator to brake any displacement of the car, means (5) for pulling the motor brake shoes, and hand wheel means (7) arranged at the end of the brake and motor shaft (43) in order to rotate the brake and motor shaft (43) as required if the car and counterweight loads stand at equilibrium, in viewing and controlling the rotating motion of said shaft until the car can be brought to a nearby landing and said passengers can be released.