Browse Prior Art Database

DONOR ROLL SEAL

IP.com Disclosure Number: IPCOM000026016D
Original Publication Date: 1989-Oct-31
Included in the Prior Art Database: 2004-Apr-05
Document File: 2 page(s) / 41K

Publishing Venue

Xerox Disclosure Journal

Abstract

An electrophotogra hic printing machine may have a developer unit with a adjacent a photoconductive member having an electrostatic latent image recorded thereon. In order to prevent contamination of the various sub-systems within the rinting machine, it is necessary to prevent the escape of toner particles. A &am seal is attached to opposed ends of the donor. The foam seals interface with foam ends blocks to seal the ends of the donor roll and prevent the escape of toner particles from the developer housing.

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CEROX DISCLOSURE JOURNAL

DONOR ROLL SEAL

John F. Knapp Lawrence Floyd, Jr.

Proposed Classification

us. c1.355/3 Int. C1. G03g 15/00

An electrophotogra hic printing machine may have a developer unit with a

adjacent a photoconductive member having an electrostatic latent image recorded thereon. In order to prevent contamination of the various sub- systems within the rinting machine, it is necessary to prevent the escape of toner particles. A &am seal is attached to opposed ends of the donor. The foam seals interface with foam ends blocks to seal the ends of the donor roll and prevent the escape of toner particles from the developer housing.

developer housing

R aving a donor roll adapted to transport toner particles

Volume 14 Number 5 September/October 1989 231

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XEROX 232 DISCLOSURE JOURNAL

Volume 14 Number 5 September/October 1989

[This page contains 1 picture or other non-text object]