Article handling system with weight-controlled dispenser

Details Article handling system with weight-controlled dispenser Article handling system with weight-controlled dispenser

1977-09-14

1978-06-20

Knowles, Allen N.

Dispensing

Automatic control

Delivery from source controlled by quantity in discharging...

222 77, B67D 514

Patent

active

040957233

ABSTRACT:
In a batch weighing and dispensing system, articles are fed from a supply hopper by a vibratory conveyor to maintain a controlled level of articles in a bowl-shaped feeder hopper. Articles are initially discharged from the feeder hopper through two discharge openings into an accumulator bucket. A weighing unit monitors the weight of articles in the bucket and signals a door to close one of the discharge openings as the weight of articles in the bucket begins to approach a predetermined weight. The weighing unit subsequently signals the feeder hopper drive to slow its feeding action as the weight of articles in the bucket more closely approaches the predetermined weight. Once the predetermined weight is reached, the feeder hopper drive is stopped, and the weighed batch of articles is discharged from the bucket. The feeder hopper discharge openings are arranged near each other at locations where the door-controlled opening will provide a rapid, bulk feed of articles, while the other opening will provide a single-file trickle feed. The weighing unit is supported on a common frame with the feeder and without vibrations hindering operation of the weighing unit.

REFERENCES:
patent: 2804992 (1957-09-01), Peters
patent: 2921713 (1960-01-01), Zanotto et al.
patent: 3146910 (1964-09-01), Varner
patent: 3254729 (1966-06-01), Behlen
patent: 3334675 (1967-08-01), Satake
patent: 3351238 (1967-11-01), Gilbertson
patent: 3610464 (1971-10-01), Loughry

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