Recirculating document lateral registration

Details Recirculating document lateral registration Recirculating document lateral registration

1981-03-19

1983-05-03

Stoner, Jr., Bruce H.

Photocopying

Including fiber optics

271 31, 271 98, 271105, 271171, 271241, 271250, G03G 1504, B65H 910

Patent

active

043818935

ABSTRACT:
In a system of plurally recirculating a set of document sheets for precollated copying wherein the document sheets are repeatedly individually fed seriatim from the bottom of an overlying stack thereof for copying with registration and returned to the top of the stack for restacking, the improvement comprising individually acquiring, and individually urging laterally into contact with an elongated lateral registration edge, with a movable vacuum member each document sheet when it is the bottom sheet of the stack of document sheets, releasing the bottom sheet, and feeding the bottom sheet out from said stack transverse said lateral registration edge by separate sheet feeding apparatus only after it has been so laterally registered and released. Preferably this individual lateral registration of the bottom sheet in the stack is assisted by simultaneously blowing air at said stack from one edge thereof to aid the movement between the bottom sheet and the overlying sheets in said stack.

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