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Browse Prior Art Database

MOVING PLATEN COPIER WITH DOCUMENT EJECT

IP.com Disclosure Number: IPCOM000024082D
Original Publication Date: 1979-Aug-31
Included in the Prior Art Database: 2004-Apr-02
Document File: 2 page(s) / 217K

Publishing Venue

Xerox Disclosure Journal

Abstract

A moving platen copier having an automatic document ejector, which unloads the platen at the end of a copy run and also has a book or thick document capability, is disclosed, The device uses the scan-return movement of the platen to eject the copied document into a receiving tray and requires no additional power or logic for operation. An added benefit is a stationary top surface for the copier.

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XEROX DISCLOSURE JOURNAL

MOVING PLATEN COPIER WITH DOCUMENT EJECT
R. G. Rush

Proposed Classification
U.S. Cl. 355/11

mt. Cl. G03g 15/00

A moving platen copier having an automatic document ejector, which unloads the platen at the end of a copy run and also has a book or thick document capability, is disclosed, The device uses the scan-return movement of the platen to eject the copied document into a receiving tray and requires no additional power or logic for

operation. An added benefit is a stationary top surface for the copier.

As shown, friction wheel 1 is in sprung engagement with moving platen 4 and drives document cover belt 2 via clutch 5 and shaft 6 at platen speed so there is no relative movement between document 3 and the platen in scan or scan return. At the end of the copy run clutch 5 is energized to transfer engagement of shaft 6 from friction wheel I to brake 7, thus holding belt 2 stationary. The scan return

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Volume 4 Number 4 duly/August 1979 521

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6

FIG. 2

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MOVING PLATEN COPIER WITH DOCUMENT E3ECT (Cont~d)

movement of the platen then causes the document to slide over the platen into catch tray 8. The electrical supply to clutch 5 is via a microswitch which inhibits the ejection system when multi-page documents are placed on the platen. A receptacle may be incorporated into the upper surface of the platen cover for holding a stack of originals so that they may be conveniently loaded...