Safety brake for an elevator

Details Safety brake for an elevator Safety brake for an elevator

B - Operations, Transporting

66

B

B66B 5/24 (2006.01) B66D 5/16 (2006.01)

Patent

CA 2160830

A safety brake for an elevator enables the movement of the elevator rope to be stopped between a back stop and a bilateral eccentric jaw in both directions of rope movement. The safety brake is self-locking. Its energy source is a spiral conveyor spring which drives a conveyor that pushes the jaws towardsthe back stop, causing the rope to be squeezed between the jaw and the back stop. The conveyor spring is provided with a shaft, and is wound up by rotating the shaft by means of a winding motor. Between the shaft and the motor there is a magneticcoupling which, when de-energized, activates the safety brake.

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