Zone controller

Details Zone controller Zone controller

2005-01-18

2005-01-18

Crawford, Gene O. (Department: 3651)

Conveyors: power-driven

Conveyor system for arranging or rearranging stream of items

By longitudinally respacing successive articles in stream

C198S781050, C198S781060

Reexamination Certificate

active

06843362

ABSTRACT:
A zone controller enabling flexible conveyance according to the use by simple change of setting. An aspect of the invention is a zone controller 10 for a particular zone picked from a plurality of zones for control into which a roller conveyor line 1 is divided and which are arrangeable in a row in the direction of conveyance, being capable of controlling operation of a driving roller 4afor conveyance provided in the particular zone, having a mode-setting means 14 capable of switching between a slug mode and a singulation mode. In the slug mode, operation of the driving roller is controlled so that articles in the zones are conveyed uniformly to downstream, maintaining the order of the articles in the conveying line. In the singulation mode, operation of the driving roller is controlled so that the articles are conveyed separately to downstream with a predetermined number of zones in which no article exists preserved between the zones in which the articles exist.

REFERENCES:
patent: 3716129 (1973-02-01), Sadler, Jr.
patent: 4819788 (1989-04-01), Van Der Schie
patent: 5042644 (1991-08-01), Davis
patent: 5228558 (1993-07-01), Hall
patent: 5318167 (1994-06-01), Bronson et al.
patent: 5862907 (1999-01-01), Taylor
patent: 6021888 (2000-02-01), Itoh et al.
patent: 6047812 (2000-04-01), Horn et al.

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