Elevator car door interlock

Details Elevator car door interlock Elevator car door interlock

B - Operations, Transporting

66

B

B66B 13/18 (2006.01) B66B 13/14 (2006.01)

Patent

CA 2745792

An apparatus for use with an elevator car is operable to selectively lock an elevator car door. The apparatus verifies that the elevator car door is closed, locks the elevator car door, and verities that a lock is engaged. Once conditions are inet, the apparatus signals an elevator controller that the elevator car can move through a hoistway. The apparatus further ensures that passengers can safely disembark from the elevator car by detecting the position of the elevator car relative to a designated landing zone within the hoistway, and confirming the elevator car is stopped at a landing zone prior to disengaging the lock. The apparatus thus ensures that the elevator car door remains closed while the elevator car is in motion or between landing zones.

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