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. 18, 2018
Filed:
Mar. 27, 2015
Kyocera Corporation, Kyoto-shi, Kyoto, JP;
KYOCERA CORPORATION, Kyoto, JP;
Abstract
A liquid discharge head includes a flow passage member and a plurality of pressurizing sections. The flow passage member includes a plurality of discharge holes, a plurality of pressurizing chambers connected to a plurality of the discharge holes, a plurality of first flow passages connected to a plurality of the pressurizing chambers, a second flow passage connected in common to a plurality of the first flow passages, a plurality of third flow passages connected to a plurality of the pressurizing chambers, and a fourth flow passage connected in common to a plurality of the third flow passages. The pressurizing sections pressurize liquid in the pressurizing chambers. The third flow passage has a wide section connected to the pressurizing chamber and a narrow section connecting the wide section and the fourth flow passage. The wide section is disposed toward the discharge hole of the pressurizing chamber.