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:
Jul. 14, 2015
Filed:
Sep. 11, 2013
Applicant:
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Inventors:
Ryutaro Kusunoki, Shizuoka, JP;
Chiaki Tanuma, Tokyo, JP;
Shuhei Yokoyama, Shizuoka, JP;
Ryuichi Arai, Shizuoka, JP;
Assignee:
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); B41J 2/16 (2006.01);
U.S. Cl.
CPC ...
B41J 2/14233 (2013.01); B41J 2002/14241 (2013.01); B41J 2002/14475 (2013.01); B41J 2202/15 (2013.01);
Abstract
According to one embodiment, an ink jet head includes an ink pressure chamber, a nozzle hole, a vibrating plate, an actuator, and electrodes. The ink pressure chamber stores ink which is discharged through the nozzle hole. The vibrating plate is formed to surround the nozzle hole. The actuator drives the vibrating plate. The electrodes are formed to be axially symmetrical with respect to the nozzle hole and drive the actuator.