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:
Jul. 04, 2006
Filed:
Apr. 21, 2004
Ritsuo Fujii, Hachioji, JP;
Seiji Yamaguchi, Hino, JP;
Ritsuo Fujii, Hachioji, JP;
Seiji Yamaguchi, Hino, JP;
Abstract
An electrophotographic image forming apparatus includes a toner image forming section, a recording material storing section, a sheet feeding and conveying section provided sideward of the recording material storing section, a toner reservoir section provided on a side opposite to the sheet feeding and conveying section, a toner separation section provided upward of the developing device to separate the toner, a supply pipe for interconnecting the toner reservoir section and the toner separation section to supply the toner, a collection pipe for interconnecting the toner reservoir section and the toner separation section to collect the toner, a first fluid conveyance device provided on the supply pipe between the toner reservoir section and the toner separation section for conveying a supply fluid, and a second fluid conveyance device provided on the collection pipe between the toner reservoir section and the toner separation section for conveying a collection fluid.