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:
Jun. 17, 2008
Filed:
Sep. 14, 2005
Keiichiro Yoshino, Nagano-ken, JP;
Toshio Kumagai, Nagano-ken, JP;
Takeo Seino, Nagano-ken, JP;
Koji Morikoshi, Nagano-ken, JP;
Taisuke Yamamoto, Nagano-ken, JP;
Keiichiro Yoshino, Nagano-ken, JP;
Toshio Kumagai, Nagano-ken, JP;
Takeo Seino, Nagano-ken, JP;
Koji Morikoshi, Nagano-ken, JP;
Taisuke Yamamoto, Nagano-ken, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid ejection apparatus comprises a liquid cartridge for storing a liquid, a liquid ejection head for ejecting the liquid toward a target, a liquid supply path for guiding the liquid to the liquid ejection head from the liquid cartridge, and a capping device for drawing the liquid from the liquid ejection head. The liquid supply path comprises a plurality of wall surfaces, and a part of the wall surface is formed of a flexible member that is flexed by the inside-and-outside pressure difference of the liquid supply path. A pressure pump for adjusting the pressure of a fluid within the liquid supply path in the upstream side of the flexible member is provided.