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:
Nov. 04, 2014
Filed:
Oct. 19, 2010
Yushi Hirayama, Sagamihara, JP;
Eichi Koizumi, Ebina, JP;
Hitoshi Ishibashi, Kamakura, JP;
Tetsuya Muto, Kawasaki, JP;
Yushi Hirayama, Sagamihara, JP;
Eichi Koizumi, Ebina, JP;
Hitoshi Ishibashi, Kamakura, JP;
Tetsuya Muto, Kawasaki, JP;
Ricoh Company, Limited, Tokyo, JP;
Abstract
A toner supplying device including a secondary toner container, a first feeding member performing a first feeding operation of feeding toner from a toner container to the secondary container on demand, a second feeding member performing a second feeding operation of feeding the toner from the secondary container to a developing device on demand, and a toner supply controller controlling the amount of the toner in the secondary container to be greater than a predetermined amount. The controller performs first control in which when the first feeding operation is performed, the amount of the toner fed in the second feeding operation per unit of time is decreased, or second control in which when the amount of the toner fed in the second feeding operation is greater than a predetermined amount, the amount of the toner fed in the first feeding operation per unit of time is decreased.