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. 09, 2002
Filed:
Dec. 27, 2000
Applicant:
Inventors:
Assignee:
Konica Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 1/508 ;
U.S. Cl.
CPC ...
G03G 1/508 ;
Abstract
A cylindrical toner storing container that engages with a rotation transmitting member of a developing device provided in an image forming apparatus to rotate around the rotation axis integrally with the rotation transmitting member and thereby supplies or replenishes toner to the developing device. The toner storing container has a cylindrical base body that has a toner outlet opening in the vicinity of the rotation axis on one end, the cylindrical base body has on the inner surface thereof a protruded spiral ridge, and the number of the spiral ridge on a cross section of the cylindrical base body is increased as the cross section nears the toner outlet opening.