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Browse Prior Art Database

PHOTORECEPTOR VACUUM DRIVE

IP.com Disclosure Number: IPCOM000025211D
Original Publication Date: 1984-Feb-29
Included in the Prior Art Database: 2004-Apr-04
Document File: 2 page(s) / 58K

Publishing Venue

Xerox Disclosure Journal

Abstract

The figure illustrates a decoupled photoreceptor drive system whkrein an endless photoreceptor belt 10 is entrained over a first vacuum drive station 12 followed downstream by a second vacuum drive station 14. This configuration permits the formation of a controlled loop 16 permitting decoupling of the document exposure area from downstream process stations such as development.

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XEROX DISCLOSURE JOURNAL

PHOTORECEPTOR VACUUM DRIVE Proposed Edward C. Bock Glassif ication

U.S. C1. 355/3BE Int. C1. G03g 15/00

ALL IDLERS'FIXED IN BELT MODULE

The figure illustrates a decoupled photoreceptor drive system whkrein an endless photoreceptor belt 10 is entrained over a first vacuum drive station 12 followed downstream by a second vacuum drive station 14. This configuration permits the formation of a controlled loop 16 permitting decoupling of the document exposure area from downstream process stations such as development.

Drive station 12 includes an endless perforated belt 20 which is entrained over drive roller 22 and idler roller 24. The belt is proximate to a vacuum means (not shown) which, when activated, causes the overlying portion of photoreceptor belt 10 to be maintained in the desired flat exposure orientation. Drive station 14 includes a second endless perforated belt 30 which is entrained over drive roller 32 and idler roller 34. The belt is proximate to a second vacuum source having a weaker pressure than that established for station 12. The purpose of drive station 14 is to develop a drag on that portion of the photoreceptor belt 10, designated a A in the figure.

If desired drive station 12 can be used as the sole drive force belt 10 by eliminating drive station 14 and loop 16 and entraining belt 10 around idler rollers.

Volume 9 Number 1 January/February 1984 31

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