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.
Patent No.:
Date of Patent:
Feb. 02, 2010
Filed:
Aug. 31, 2005
Applicants:
Satoru Tobita, Hitachinaka, JP;
Toshiharu Sumiya, Kawasaki, JP;
Ryouta Matsufuji, Hitachinaka, JP;
Inventors:
Assignee:
Ricoh Printing Systems, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01); B41J 2/05 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ink jet head having: a common ink chamber for storing an ink supplied from an ink supply part; an ink supply path for supplying the ink stored in the common ink chamber; a pressure chamber to which the ink is supplied via the ink supply path; and a nozzle for discharging the ink in the pressure chamber in accordance with a pressure change in the pressure chamber. The components being constructed by stacking a plurality of thin plate members, wherein a plurality of the ink supply paths are arranged in parallel.