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:
Feb. 03, 2003
Yukuo Yamaguchi, Tokyo, JP;
Yutaka Koizumi, Kanagawa, JP;
Takeshi Yamakubo, Kanagawa, JP;
Mikiya Umeyama, Tokyo, JP;
Yukuo Yamaguchi, Tokyo, JP;
Yutaka Koizumi, Kanagawa, JP;
Takeshi Yamakubo, Kanagawa, JP;
Mikiya Umeyama, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid discharge head includes recording liquid flow paths communicated with plural discharge ports, a flow path formation member, upstream of the recording liquid flow paths, on which a recording liquid supply passage is provided, a recording liquid storing member, upstream of the recording liquid supply passage, in which a common liquid chamber is provided, a plug member for supplying recording liquid from the outside into the common liquid chamber, and a porous member at the end portion of the flow path formation member to remove dust particles and the like in recording liquid supplied from the common liquid chamber to the recording liquid supply passage. The porous member is arranged above a bottom face of the common liquid chamber.