Controller of one-shaft multi-car system elevator

Elevator – industrial lift truck – or stationary lift for vehicle – Having independent supports carrying distinct loads and...

Reexamination Certificate

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C187S383000, C187S384000

Reexamination Certificate

active

07487860

ABSTRACT:
It is an object of the present invention to provide a control apparatus for a one-shaft multi-car system elevator in which a plurality of cars operate in one shaft, the control device being capable of efficient group control while avoiding collisions and minimizing the occurrence of confinement of passengers. The control apparatus includes approaching direction traveling prohibiting means1D for prohibiting the cars from traveling in a direction in which the cars approach each other in the same shaft, and door open standing-by means1E for causing the car to stand by with its doors open if the car is prohibited by the approaching direction traveling prohibiting means from traveling and if any passenger is present in the car.

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