B - Operations – Transporting – 66 – B
Patent
B - Operations, Transporting
66
B
B66B 7/06 (2006.01) B66B 1/34 (2006.01) B66B 5/02 (2006.01)
Patent
CA 2353242
An emergency moving device of an elevator includes a main moving gear and a reduction gear, both disposed on the top of the elevator car. Chains are passed under a respective one of several gears connected to shafts of the reduction gear. The chains are connected to a first connector, which is disposed above the car, and is connected to steel ropes of the car. When a breakdown of the elevator causes the car to stop between two of the floors, the passengers can, control an emergency power supply to activate. A fall prevention member to free the carriage from the first connector for permitting the carriage to move down relative to the first connector; the emergency power also activates a braking switch of the main gear for same to turn in order to drive the reduction gear and the gears connected to the chains for lowering the car.
Battison Williams Dupuis
Chen Yung-Hsin
LandOfFree
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