Elevator system

Details Elevator system Elevator system

B - Operations, Transporting

66

B

342/2, 364/23

B66B 1/50 (2006.01) B66B 1/34 (2006.01) B66B 5/02 (2006.01)

Patent

CA 1063266

ELEVATOR SYSTEM ABSTRACT OF THE DISCLOSURE An elevator system including a transmitter- receiver arrangement for detecting mechanical damage to the elevator system, such as might be caused by an earthquake. A transmitter carried by the counterweight provides a signal for a remotely located receiver, as long as the counter- weight moves within its normal vertical path. Movement of the counterweight outside of this path terminates the trans- mitter signal and a control device operated by the receiver modifies the operation of the elevator system.

253725

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