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:
Aug. 30, 2022
Filed:
Apr. 20, 2021
Brother Kogyo Kabushiki Kaisha, Aichi-Ken, JP;
Taiki Tanaka, Yokkaichi, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
There is provided a liquid discharge head including: a channel unit; a piezoelectric actuator; and a protective member. Pressure chambers form pairs of the pressure chambers arranged in a second direction. Each of the pressure chamber pairs includes a first pressure chamber and a second pressure chamber that communicate with an identical nozzle via a communication channel. The protective member includes first partition walls joined to a surface at a first side in a first direction of the piezoelectric actuator and separating accommodating spaces from each other. Each of the first partition walls is provided between the first pressure chamber and the second pressure chamber, which belong to different pressure chamber pair, in the second direction. Each of the first partition walls is not provided between the first pressure chamber and the second pressure chamber, which belong to an identical pressure chamber pair, in the second direction.