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:
Oct. 26, 2021
Filed:
Jul. 31, 2019
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Katsumi Kakamu, Kuwana, JP;
Masaaki Deguchi, Chiryu, JP;
BROTHER KOGYO KABUSHIKI KAISHA, Nagoya, JP;
Abstract
A liquid ejection head includes: individual passages each having a nozzle; supply liquid passages each communicating with an individual inlet of a corresponding one of the individual passages; return liquid passages each communicating with an individual outlet of a corresponding one of the individual passages; a first supply coupling liquid passage coupling the supply liquid passages to each other and communicating with a first inlet of each of the supply liquid passages; and a second supply coupling liquid passage coupling the supply liquid passages to each other and communicating with a second inlet of each of the supply liquid passages. In each of the supply liquid passages, the individual inlet of the corresponding one of the individual passages is located between the first inlet and the second inlet.