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:
Mar. 27, 1979
Filed:
Jun. 29, 1977
Applicant:
Inventors:
John E Forward, Penfield, NY (US);
Raymond C Coleman, Webster, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
355 / ; 118657 ; 366324 ;
Abstract
An auger for use in a xerographic development system comprising an elongated twisted unitary strip of sheet metal, defined by two helically contoured edges extending along the longitudinal axis of the auger. The auger contains a series of spaced apart slots or recesses along the outer periphery of the helical edges, the slots extending inwardly a short distance from the edges toward the axis of the auger.