Vacuum accumulating conveyor

Details Vacuum accumulating conveyor Vacuum accumulating conveyor

1985-11-12

1987-02-24

Nase, Jeffrey V.

Conveyors: power-driven

Conveyor section

Having means to enhance the friction or adherence between...

1986881, 198718, 198810, 198811, B65G 1746, B65G 1558

Patent

active

046450696

ABSTRACT:
A vacuum operated accumulating conveyor including a table with a slick top surface having an elongated gap. A perforated belt moves along said gap above the open ends of a plurality of vacuum chambers arranged end-to-end at spaced intervals beneath the upper run of the belt. A vacuum generator is coupled to each vacuum chamber. A proximity sensor is arranged adjacent to each vacuum chamber. A controller controls the operation of the vacuum accumulating conveyor to collect a group of bundles upon the conveying table by selective operation of the vacuum generators which create a vacuum condition in the associated vacuum chambers to draw a bundle toward the belt to move each bundle a predetermined distance for initially collecting a group of bundles of a desired number and thereafter delivering the group of bundles collected to suitable take-off apparatus. Bundles may also be advanced without being collected in groups. The selective operation of the vacuum generators conserves energy.

REFERENCES:
patent: 3827548 (1974-08-01), Matsuo
patent: 3930573 (1976-01-01), Wyman
patent: 4149626 (1979-04-01), Holt
patent: 4555013 (1985-11-01), Franklin

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