Elevator group control device

Elevator – industrial lift truck – or stationary lift for vehicle – With call registration means – Shared by plural load supports

Patent

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Details

B66B 118

Patent

active

053827619

ABSTRACT:
An elevator group control device includes a call allotment judgment means 5A which allots the cages to a newly registered destination floor selected by a passenger pushing a destination button upon a destination button board 1. The call allotment judgment means 5A first determines whether or not there exist a cage with a service schedule including the destination floor. If the judgment is affirmative, the destination floor is allotted to the cage. If not, it is judged whether or not there exist cages with a service schedule extending to a floor within a predetermined range above or below said destination floor. If there are a plurality of cages, the cage with a narrower service schedule is selected. If there exist only one cage, such cage is selected. Then, the service schedule of the selected cage is extended to include the destination floor. If there is no cage with the above requirement, a cage hitherto without a service schedule is selected and a new service schedule is created therefor.

REFERENCES:
patent: 3831715 (1974-08-01), Matsuzawa et al.
patent: 4691808 (1987-07-01), Nowak et al.
patent: 4735294 (1988-04-01), Schroder
patent: 4846311 (1989-07-01), Thangavelu
patent: 4915197 (1990-04-01), Schroder
patent: 5054585 (1991-10-01), Amano
patent: 5252790 (1993-10-01), Aime

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