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.

Date of Patent:
Jun. 02, 2015

Filed:

Aug. 28, 2014
Applicants:

Tomohiko Kohda, Ibaraki, JP;

Noriyasu Takeuchi, Kanagawa, JP;

Takahiro Yoshida, Ibaraki, JP;

Ryohta Matsufuji, Kanagawa, JP;

Inventors:

Tomohiko Kohda, Ibaraki, JP;

Noriyasu Takeuchi, Kanagawa, JP;

Takahiro Yoshida, Ibaraki, JP;

Ryohta Matsufuji, Kanagawa, JP;

Assignee:

RICOH COMPANY, LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01); B41J 2/145 (2006.01); B41J 2/055 (2006.01); B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
B41J 2/145 (2013.01); B41J 2/055 (2013.01); B41J 2/14209 (2013.01);
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.


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