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:
Apr. 30, 1985
Filed:
Feb. 18, 1983
Applicant:
Inventors:
Virgil W Westdale, Barrington, IL (US);
James L Hanrahan, Mt. Prospect, IL (US);
William C Anderson, McHenry, IL (US);
Assignee:
AM International, Inc., Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355 / ; 118658 ; 355 / ;
Abstract
A magnetic toner developing device for developing images on a photoconductive sheet. The device includes a magnetic developer roller brush for applying a single component toner to the sheet. An electrically isolated guide plate extends beneath the developer roller brush in close proximity thereto and supports the sheet in its travel through a development zone formed between the developer roller brush and the guide plate. The guide plate is electrically isolated from a support frame to eliminate electrostatic clamping of the sheet to the guide plate.