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. 28, 1982
Filed:
Feb. 06, 1980
Nagao Hosono, Chofu, JP;
Nobuyuki Miyake, Yokohama, JP;
Junichiro Kanbe, Tokyo, JP;
Shusei Tsukada, Yokohama, JP;
Kozo Arao, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A developing device for imparting triboelectrically charged developer to a surface to be developed includes a developer holding member disposed with a minute gap with respect to a latent image bearing member for holding and moving developer to a development station, a developer supply for supplying developer to the surface of the developer holding member, and a developer removing blade in contact with the developer holding member for removing the developer used for the development and remaining on the developer holding member, the blade having developer passage openings adjacent the portion which contacts the developer holding member to again impart removed developer to the developer holding means at a position downstream of the development station with respect to the movement of the developer and which is before the supply of developer is terminated at the developer supply.