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:
Oct. 07, 2014
Filed:
Aug. 29, 2013
Kengo Tsubaki, Kanagawa, JP;
Hiroyoshi Komaba, Kanagawa, JP;
Tatsuro Watanabe, Kanagawa, JP;
Yoshiya Itoh, Kanagawa, JP;
Hiroyuki Hiratsuka, Kanagawa, JP;
Kengo Tsubaki, Kanagawa, JP;
Hiroyoshi Komaba, Kanagawa, JP;
Tatsuro Watanabe, Kanagawa, JP;
Yoshiya Itoh, Kanagawa, JP;
Hiroyuki Hiratsuka, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An inkjet image forming apparatus which is provided with a line engine in which one or more recording heads are aligned in a main scanning direction and which has replacably configured an arbitrary one of the recording heads is disclosed. In the inkjet image forming apparatus, each of the recording heads includes a head tank mounted on the recording head, the head tank including a supply port and a discharge port for ink, the head tanks which are adjacent are mutually connected by a path in which the discharge port and supply port of the respective head tanks are coupled via a coupling unit, a path from the discharge port and a path to the supply port differ in an inner path diameter over the coupling unit, and the inner path diameter on the discharge port side is larger than the inner path diameter on the supply port side.