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. 14, 2015
Filed:
Aug. 26, 2013
Hiroshi Takahagi, Kanagawa, JP;
Makoto Shinohara, Kanagawa, JP;
Hideaki Mamiya, Kanagawa, JP;
Takeshi Shimizu, Kanagawa, JP;
Takashi Tomita, Kanagawa, JP;
Hiroshi Azami, Kanagawa, JP;
Hiroshi Takahagi, Kanagawa, JP;
Makoto Shinohara, Kanagawa, JP;
Hideaki Mamiya, Kanagawa, JP;
Takeshi Shimizu, Kanagawa, JP;
Takashi Tomita, Kanagawa, JP;
Hiroshi Azami, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An ink-jet recording head includes a recording head and pressure damper assembly module including a recording head part at a lower position having nozzle holes on an under surface and an ink passage communicating with the nozzle holes, and a pressure damper part higher than the recording head part having an ink containing chamber inside. The ink-jet recording head further includes first flexible tube supplying ink in the ink containing chamber to the ink passage and connecting an ink discharge part communicating with the ink containing chamber and an ink supply part at one end side in the recording head part communicating with one end of the ink passage; and a second flexible tube connected with another end side in the recording head part and communicating with another end of the ink passage. At least the inside of the first flexible tube is filled with the ink.