Invention Grant
- Patent Title: Droplet discharge head and image forming apparatus including same
- Patent Title (中): 液滴排出头和包括其的成像设备
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Application No.: US14471174Application Date: 2014-08-28
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Publication No.: US09044946B2Publication Date: 2015-06-02
- Inventor: Tomohiko Kohda , Noriyasu Takeuchi , Takahiro Yoshida , Ryohta Matsufuji
- Applicant: Tomohiko Kohda , Noriyasu Takeuchi , Takahiro Yoshida , Ryohta Matsufuji
- Applicant Address: JP Tokyo
- Assignee: RICOH COMPANY, LTD.
- Current Assignee: RICOH COMPANY, LTD.
- Current Assignee Address: JP Tokyo
- Agency: Cooper & Dunham LLP
- Priority: JP2013-190909 20130913; JP2014-052538 20140314; JP2014-117622 20140606
- Main IPC: B41J2/045
- IPC: B41J2/045 ; B41J2/145 ; B41J2/055 ; B41J2/14

Abstract:
A droplet discharge head includes a nozzle substrate containing a plurality of nozzles to discharge droplets; a channel substrate to form a plurality of individual liquid chambers to which the plurality of nozzles communicate; a common liquid chamber member, comprising a wall, to form a common liquid chamber to supply liquid to the plurality of individual liquid chambers; a wall member to form a deformable damper area on a part of the wall of the common liquid chamber member, in which the channel substrate and the common liquid chamber member are laminated together with the wall member sandwiched in between, and the channel substrate includes a concave-shaped damper chamber corresponding to the damper area; and a plurality of support pillars disposed on a concave-shaped bottom of the damper chamber, the support pillar connecting to the wall.
Public/Granted literature
- US20150077469A1 DROPLET DISCHARGE HEAD AND IMAGE FORMING APPARATUS INCLUDING SAME Public/Granted day:2015-03-19
Information query
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