Computer form feeding with a universal document feeder

Details Computer form feeding with a universal document feeder Computer form feeding with a universal document feeder

1991-12-16

1992-10-06

Schacher, Richard A.

Sheet feeding or delivering

Delivering to stack and feeding therefrom

With sheet sensor for selective location

271 9, 226195, 4006132, B65H 500, B65H 2002

Patent

active

051525143

ABSTRACT:
In a universal document feeder with which either conventional cut sheet documents or computer form (CF) web fan-folded documents may be fed to an imaging station, with an upper document loading tray with an associated feeder, but also having a separate side feeding entrance for feeding computer form web to the imaging station, there is provided a CF guide such as a bail pivotally mounted to the document feeder with a web guide surface positionable substantially above the upper document loading tray and adjacent the side of the document feeder having the side feeder entrance. This forms guide provides a path thereover for unfolding and upwardly feeding out CF which is fan-fold stacked in the upper document tray, and then downwardly in a path to the side entrance feeder, defining a web slack loop. The forms guide is spring mounted to pivot in response to variations in web forces, to ensure that the web is pulled gently and unfolds without tearing as, and after, it is pulled by the side entrance feeder, thus enabling the same (RDH) tray to be used for inputting CF as is already provided for normal documents, rather than a separate tray. A latch may be provided for latching the forms guide down in an inoperative storage position substantially flush with the top of the document feeder. The entire bail member is preferably outside of the area of this tray at all times, to provide unobstructed access thereto.

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United States Statutory Invention Registration, Registration No. H17, Published Feb. 4, 1986, "Computer Forms Web Copying Apparatus" Author: Stephen J. Wenthe, Jr.
Research Disclosure, Sep. 1991, "Computer Form Feeder", p. 663, disclosed anonymously.

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