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:
Nov. 07, 2006
Filed:
Jun. 16, 2004
Ryouta Matsufuji, Hitachinaka, JP;
Satoru Tobita, Hitachinaka, JP;
Yoshitaka Akiyama, Hitachinaka, JP;
Toshiharu Sumiya, Hitachinaka, JP;
Yoshikane Matsumoto, Hitachinaka, JP;
Ryouta Matsufuji, Hitachinaka, JP;
Satoru Tobita, Hitachinaka, JP;
Yoshitaka Akiyama, Hitachinaka, JP;
Toshiharu Sumiya, Hitachinaka, JP;
Yoshikane Matsumoto, Hitachinaka, JP;
Ricoh Printing Systems, Ltd., Tokyo, JP;
Abstract
A housing of inkjet head has a projection that is formed with a plurality of opening grooves defined between adjacent two of projecting parts, and tip ends of the projecting parts are fixed to a diaphragm plate. Piezoelectric elements are inserted in respective opening grooves and fixed to a diaphragm of the diaphragm plate at positions opposite respective pressure chambers.