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.

Date of Patent:
May. 28, 2002

Filed:

Sep. 14, 2000
Applicant:
Inventor:

Akihiro Kasuga, Niigata, JP;

Assignee:

Fuji Xerox Co., Ltd, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1/508 ;
U.S. Cl.
CPC ...
G03G 1/508 ;
Abstract

An image forming apparatus which can easily control toner supply without degrading compatibility of a toner cartridge in a low speed device and a high speed device, can control a toner amount in a developing portion avoiding feeding of the toner in excessive amount and whereby avoiding degradation of toner due to supply of excessive amount of the toner using a motor for image forming operation without requiring a dedicated motor for supplying toner. The image forming apparatus includes a hopper portion storing a toner, a mixer rotatably supported within the hopper portion, a developing portion provided adjacent the hopper portion and constituted of a developing roller and a toner layer restricting member, a photoconductor supplied the toner from the developing roller for performing developing, a charge roller for uniformly charging the surface of the photoconductor, a cleaner portion collecting a residual toner on the surface of the photoconductor and constituted of a cleaning blade and a waste toner collector, and a plurality of toner amount detectors provided in the developing portion at mutually different height positions.


Find Patent Forward Citations

Kasuga, Akihiro. (2002). Image forming apparatus capable of controlling toner supply (U.S. Patent No. 6397019). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6397019

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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