Sheet feeder for second pass copy substrate

Details Sheet feeder for second pass copy substrate Sheet feeder for second pass copy substrate

1988-10-03

1990-02-13

Moses, R. L.

Photocopying

Contact printing

Light boxes

355 24, 271118, G03G 1500

Patent

active

049011170

ABSTRACT:
A sheet feeder for feeding sheets from a support platform comprising a sheet support platform, a rotatable sheet feed roll reciprocally movable between a sheet feeding position wherein it is in feeding engagement with the top sheet when at least one sheet is on said support platform and a retracted standby position wherein it is retracted from feeding engagement with said the top sheet and a movable sheet restrictor member positioned by gravity to maintain the top sheet spaced from the rotatable feed roll when the feed roll is in the retracted standby position. In a preferred embodiment the sheet feeder prints for a second pass through a printing machine.

REFERENCES:
patent: 4053152 (1977-10-01), Matsumoto
patent: 4508332 (1985-04-01), Nishio
patent: 4660963 (1987-04-01), Stemmle
patent: 4697911 (1987-10-01), Kajita et al.
patent: 4717139 (1988-01-01), Sootome
"Automatic Sequential Document Stack" IBM Technical Disclosure Bltn. vol. 14, No. 9, 2/72, p. 2789 to Rubeling, Sr.

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