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:
Oct. 19, 1982
Filed:
Nov. 24, 1980
Applicant:
Inventors:
Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
366181 ; 366158 ; 118612 ; 118658 ; 355 / ;
Abstract
An improved developing device includes a rotatable sleeve, a reservoir from which developer is available for image development, a hopper containing fresh replenishment toner, a plate for scraping used developer from the sleeve and for directing it into a conduit in which it is mixed with fresh replenishment toner, and at least an opening in the conduit from which replenished developer comprising used developer mixed with fresh toner is returned to the reservoir in a substantially uniformly mixed condition for use in subsequent image development.