Sheet separating apparatus

Details Sheet separating apparatus Sheet separating apparatus

1990-07-26

1992-05-12

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

Separator and conveyor

271 90, 271106, 271107, 271108, B65H 508

Patent

active

051120402

ABSTRACT:
A currency note picking apparatus includes pick mechanisms for picking notes from stacks of notes held in associated currency cassettes. Each pick mechanism includes pivotally mounted pick arms connectable via an electrically operated valve to a diaphragm pump which generates, continuously, a reduced pressure. During a relevant pivotal movement, the pick arms of a selected pick mechanism pick part of an end note out of the associated cassette by applying a suction force to this note. A timing disc rotates in synchronism with the pivotal movement of the pick arms, and an associated optical sensor generates timing signals which are indicative of the position of the pick arms relative to the cassette. The timing signals control the operation of the respective valve so as to enable the pump to communicate with the pick arms during the relevant pivotal movement thereof. The apparatus further includes a temperature indicating device which senses the temperature inside the apparatus and which is utilized by a controller to adjust the pick mechanism vacuum based upon the sensed temperature.

REFERENCES:
patent: 4090702 (1978-05-01), Wirz
patent: 4279412 (1981-07-01), Glatz
patent: 4391439 (1983-07-01), Edstrom
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patent: 4513957 (1985-04-01), Schaefer, Jr.
patent: 4516763 (1985-05-01), Stahl et al.
patent: 4524691 (1985-06-01), Miller
patent: 4709991 (1987-12-01), Illig et al.
patent: 4767113 (1988-08-01), Hasegawa et al.
patent: 5016865 (1991-05-01), Ioka et al.

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