Automatic sheet-feeder

Details Automatic sheet-feeder Automatic sheet-feeder

1988-12-01

1989-09-26

Schacher, Richard A.

Sheet feeding or delivering

Delivering to stack and feeding therefrom

With sheet sensor for selective location

271171, 271254, B65H 506

Patent

active

048694886

ABSTRACT:
This invention relates to an automatic sheet-feeder for feeding a sheet from the bottom of a stack of sheets placed on a sheet tray and for circularly returning the sheet to the top of the stack. The sheet tray comprises a movable tray and a stationary tray, and the movable tray can move upward or downward in accordance with the size of the sheet, and further the movable tray comprises an intermediate sheet-feed to transport the sheet, whereby the edges of the pile of sheets are aligned in order to prevent erroneous sheet-feeding.

REFERENCES:
patent: 2474983 (1949-07-01), Peyrebrune
patent: 3080163 (1963-03-01), Pasquinelli
patent: 4231562 (1980-11-01), Hori
patent: 4469319 (1984-09-01), Robb

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