The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 14, 1993
Filed:
Dec. 23, 1991
Applicant:
Inventor:
Lawrence Floyd, Jr, Rochester, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355245 ; 118661 ; 355246 ; 355259 ;
Abstract
An apparatus for developing an electrostatic latent image on an image support surface. A rotating advancing member advances single component developer material from a toner supply sump in a chamber to an intermediate donor roll. The intermediate donor roll transports a metered amount of developer material to a down roll adjacent to the latent image where the developer material is attracted to the latent image for development thereof. The intermediate donor roll is provided in configuration with the donor roll for preventing escape of developer material from the chamber to increase the life of mechanical components and to decrease background.