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. 16, 2025
Filed:
Sep. 20, 2023
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Toshihiro Kishigami, Obu, JP;
BROTHER KOGYO KABUSHIKI KAISHA, Nagoya, JP;
Abstract
A liquid discharging head includes: a nozzle plate formed with a nozzle; a pressure chamber plate formed with a pressure chamber; and at least three connecting plates stacked in a stacking direction between the nozzle plate and the pressure chamber plate, the at least three connecting plates being formed with at least three holes which construct a connecting channel connecting the pressure chamber and the nozzle. The connecting channel has an enlarged diameter part in which a diameter of the connecting channel is enlarged from the pressure chamber toward the nozzle, the enlarged diameter part is constructed of the at least three holes formed in the at least three connecting plates, and diameters of the at least three holes are enlarged in an order from the pressure chamber toward the nozzle.