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:
May. 12, 2020
Filed:
Sep. 20, 2017
Kyocera Corporation, Kyoto-shi, Kyoto, JP;
Naoki Kobayashi, Kirishima, JP;
Kyocera Corporation, Kyoto, JP;
Abstract
A first flow path member of a liquid ejection head includes a plurality of pressurizing chambers connected to a plurality of ejection holes, a plurality of first individual flow paths connected to the plurality of pressurizing chambers, a plurality of second individual flow paths and a plurality of third individual flow paths, a first common flow path connected in common to the plurality of first and second individual flow paths, and a second common flow path connected in common to the plurality of third individual flow paths. A length from an area centroid of a surface pressurized by a displacement element in the pressurizing chamber to the area centroid via the first individual flow path, first common flow path, and second individual flow path in this order is longer than twice a length from the area centroid to the second common flow path via the third individual flow path.