Patent Number: 6,168,254

Title: Ink jet recording apparatus

Abstract: An ink jet recording head includes a plurality of ink ejection outlets, a first member having a plurality of grooves in fluid communication with the ejection outlets, respectively, a second member having a plurality of energy generating elements for producing energy for ejecting ink in the grooves through the ejection outlets, and a clamping unit for clamping the first member with the second member to constitute ink passages with the grooves, wherein the clamping unit has a plurality of pressure regulating mechanism pressure regulating mechanisms, which are independently operable.

Inventors: Karita; Seiichiro (Yokohama, JP), Inaba; Masaki (Kawasaki, JP), Koizumi; Yutaka (Yokohama, JP), Orikasa; Tsuyoshi (Musashimurayama, JP), Kashino; Toshio (Chigasaki, JP), Koyama; Shuji (Kawasaki, JP), Terai; Haruhiko (Yokohama, JP), Hayasaki; Kimiyuki (Yokohama, JP), Goto; Akira (Yokohama, JP), Omata; Kouichi (Kawasaki, JP), Ono; Takayuki (Kawasaki, JP), Aono; Kiyomi (Kawasaki, JP), Tajima; Hiroki (Machida, JP)

Assignee: Canon Kabushiki Kaisha

International Classification: B41J 2/14 (20060101); B41J 2/16 (20060101); B41J 002/015 ()

Expiration Date: 01/02/2018