Browse Prior Art Database

VACUUM TRANSPORT PARTITIONING VALVE ASSEMBLY

IP.com Disclosure Number: IPCOM000027706D
Original Publication Date: 1998-Dec-31
Included in the Prior Art Database: 2004-Apr-08
Document File: 2 page(s) / 62K

Publishing Venue

Xerox Disclosure Journal

Abstract

Disclosed is a device that restricts air flow in a vacuum transport housing to eliminate vacuum loss when feeding short paper sizes. As shown in the accompanying figure, a valve guide 30 guides a valve block 10 through a plenum chamber in a vacuum transport housing 20. The valve block 10 is positioned under a support rib 22. In this manner the valve block 10 seals off vacuum port 24 allowing full pressure for vacuum ports 26 and

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XEROX DISCLOSURE JOURNAL

VACUUM TRANSPORT PARTITIONING Proposed Classification VALVE ASSEMBLY
S.
U. Carl H. Hall C1. 3991361
Int. C1. G03g 15/00

\ 74 78

Disclosed is a device that restricts air flow in a vacuum transport housing to eliminate vacuum loss when feeding short paper sizes. As shown in the accompanying figure, a valve guide 30 guides a valve block 10 through a plenum chamber in a vacuum transport housing 20. The valve block 10 is positioned under a support rib 22. In this manner the valve block 10 seals off vacuum port 24 allowing full pressure for vacuum ports 26 and

XEROX DISCLOSURE JOURNAL - Vol. 23, No. 6 NovemberDecember 1998 283

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VACUUM TRANSPORT PARTITIONING VALVE ASSEMBLY (CONT'D)

28. The sliding mechanism (not shown) is driven by a document side guide (not shown) and is retractable by a pivoting lever 12 and a spring mechanism composed of a spring 14, a bushing 16, and a washer 18.

DP5775

284 XEROX DISCLOSURE JOURNAL - Vol. 23, No. 6 November/December 1998

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