Title:
液体吐出ヘッド及び画像形成装置
Document Type and Number:
Japanese Patent JP5831081
Kind Code:
B2
Abstract:
A liquid ejection head including a nozzle plate having a nozzle array constructed of multiple nozzles from which liquid droplets are ejectable; a channel plate in which grooves that form part of multiple pressure chambers respectively communicating with the multiple nozzles are provided with partition walls interposed therebetween, a wall member that covers the grooves to form part of walls of the pressure chambers, and multiple first through-holes formed in the channel plate to connect the nozzles and the pressure chambers, respectively. The multiple first through-holes are provided with partition walls interposed therebetween, and each of the multiple first through-holes has a first opening and a second opening. The second opening is offset from the first opening in a direction in which the nozzle arrays extend. Each of the multiple first through-holes further has a portion between the first and second openings to change a direction of flow of liquid.
Inventors:
Masumi Kuwata
Application Number:
JP2011203647A
Publication Date:
December 09, 2015
Filing Date:
September 16, 2011
Export Citation:
Assignee:
株式会社リコー
International Classes:
B41J2/14; B41J2/045
Domestic Patent References:
| JP2009172969A | ||||
| JP2005034998A | ||||
| JP2009034919A | ||||
| JP2003226010A | ||||
| JP2010241122A | ||||
| JP2007030242A | ||||
| JP6015822A | ||||
| JP2005034997A |
Attorney, Agent or Firm:
Tomiho Inamoto