Method for automatic operation of an accumulator

Details Method for automatic operation of an accumulator Method for automatic operation of an accumulator

1983-08-17

1986-02-18

Valenza, Joseph E.

Conveyors: power-driven

Conveyor system having auxiliary section for storing items...

Auxiliary section has the same entrance and exit

B65G 102

Patent

active

045707839

ABSTRACT:
A method is disclosed for automatic operation of an accumulator conveyor in conjunction with a main conveyor which transports odd shaped articles between two operational stations of an automated system. The method comprises the passing of articles into the entry end of the accumulator conveyor at a first speed when downstream equipment malfunctions causing articles to back-up along the main conveyor. When the back-up is dissipated, the articles stored in the accumulator conveyor are passed from the exit end of the accumulator conveyor on a first-in, first-out basis to the main conveyor at a second, faster speed while additional articles from the upstream equipment continue to enter the accumulator conveyor, also at the second speed. When all of the previously stored articles have passed back to the main conveyor, the main conveyor is operated normally with no articles passing into or out of the accumulator conveyor. Thereafter, if at least a predetermined quantity of articles remain in the accumulator conveyor the last two steps may be repeated as many times as necessary until only a relatively small quantity of articles remain in the accumulator conveyor. Use of the method advantageously allows the upstream equipment to continue to operate during the times the accumulator conveyor is being unloaded.

REFERENCES:
patent: 3114449 (1963-12-01), Bruce
patent: 3669241 (1972-06-01), Chalich
patent: 3952854 (1976-04-01), Selonke et al.

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