Elevator system

Details Elevator system Elevator system

B - Operations, Transporting

66

B

364/23

B66B 5/02 (2006.01)

Patent

CA 1078978

ELEVATOR SYSTEM ABSTRACT OF THE DISCLOSURE An elevator system including an interconnected elevator car and counterweight, motive means for driving the elevator car and counterweight, and apparatus for de- tecting mechanical damage to the elevator system, such as might be caused by an earthquake. An elongated member, such as an electrical conductor, or a conductor of electro- magnetic radiation, is disposed along the vertical travel path of one of the movable components, such as the counter- weight. The movable component includes a device which severs the elongated member in response to a predetermined horizon- tal movement of the movable component. A detector monitors the integrity of the elongated member, and it modifies the operation of the elevator system when the elongated member is severed.

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