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. 21, 2024
Filed:
Jul. 06, 2022
Canon Kabushiki Kaisha, Tokyo, JP;
Yasuhiko Osaki, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is a liquid ejection head including plural liquid chambers arranged in rows, each liquid chamber being provided with an orifice configured to eject liquid filling the liquid chamber and an ejection energy generating element, wherein the liquid ejection head includes: a liquid supply path that extends in a direction that the plural liquid chambers are arranged and individually communicates with the plural liquid chambers; a direction change flow path that communicates with the liquid supply path and extends in a direction transverse to the liquid supply path; and a common supply flow path that communicates with the direction change flow path and extends in a direction transverse to the direction change flow path, such that the direction change flow path includes a body portion and at least one grooved flow path, which is narrower than the body portion.