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. 16, 2019
Filed:
Sep. 17, 2015
Kyocera Corporation, Kyoto-shi, Kyoto, JP;
Naoki Kobayashi, Kirishima, JP;
KYOCERA CORPORATION, Kyoto, JP;
Abstract
A liquid discharge head to improve reliability of a dummy pressurization chamber, and a recording device including the liquid discharge head, the liquid discharge head including a channel member having discharge holes, pressurization chambers, a dummy pressurization chamber, and a substrate having pressurizing parts. The channel member includes a pressurization chamber plate, a dummy pressurization chamber plate, and stacked plates. A hole of the pressurization chamber plate has a side surface configuring a side surface of the pressurization chamber, and the hole has an opening configuring an opening of the pressurization chamber. A hole of the dummy pressurization chamber plate has a side surface configuring a side surface of the dummy pressurization chamber, and the hole has an opening configuring an opening of the dummy pressurization chamber. The substrate closes the openings of the pressurization chambers. The pressurization chamber plate closes the opening of the dummy pressurization chamber.