Method and apparatus for controlling sheets in a hopper

Details Method and apparatus for controlling sheets in a hopper Method and apparatus for controlling sheets in a hopper

1984-01-09

1985-07-30

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

Pack holders

271101, B65H 106, B65H 308

Patent

active

045317240

ABSTRACT:
Method and apparatus for controlling sheets in a hopper, whereby the stack of sheets is partially supported at various elevations along the stack so that only a portion of the weight of the stack bears downwardly on the sheet removal devices. The stack support members are movable into and out of supporting position relative to the stack, by virtue of a solenoid or the like, for passing a discrete lower portion of the stack down to the take-off device, and a feeler is provided for sensing the need for passing more sheets downwardly, in accordance with the rate of removing the sheets from the bottom of the stack.

REFERENCES:
patent: 3008706 (1961-12-01), Heigl et al.
patent: 3527367 (1970-09-01), Bivans
patent: 3650525 (1972-03-01), Hageman et al.
patent: 4093209 (1978-06-01), Greenwell et al.
Beran, M. A. et al., "Recirculating Feed Stack Position Indicator", IBM Technical Disclosure Bulletin, vol. 23, No. 9, Feb. 1981, p. 4021.

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