Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Toshio Kumagai0
Keiichiro Yoshino0
Koji Morikoshi0
Takeo Seino0
Date of Patent
January 25, 2011
Patent Application Number
12028387
Date Filed
February 8, 2008
Patent Primary Examiner
Patent 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.
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