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:
Dec. 17, 2019
Filed:
Apr. 11, 2018
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Hiroaki Okui, Azumino, JP;
Taiki Hanagami, Matsumoto, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); B41J 2/045 (2006.01); B41J 2/155 (2006.01); B41J 2/16 (2006.01);
U.S. Cl.
CPC ...
B41J 2/14201 (2013.01); B41J 2/045 (2013.01); B41J 2/14233 (2013.01); B41J 2/155 (2013.01); B41J 2/161 (2013.01); B41J 2/1607 (2013.01); B41J 2/1623 (2013.01); B41J 2002/14241 (2013.01); B41J 2002/14362 (2013.01); B41J 2002/14419 (2013.01); B41J 2002/14491 (2013.01); B41J 2202/19 (2013.01); B41J 2202/20 (2013.01); B41J 2202/21 (2013.01); B41J 2202/22 (2013.01);
Abstract
There are provided a conductive base; a plurality of head main bodies which are held by the base and each have a switching element and a pressure generating element for discharging a liquid in a pressure generating chamber; a plurality of covers which are separated from the base, at least one of the pressure generating element and the switching element being sandwiched between the base and each of the covers; and a plurality of conduction portions which each conduct the base and the cover to each other at a plurality of locations.