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:
Nov. 14, 2023
Filed:
Sep. 29, 2021
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
BROTHER KOGYO KABUSHIKI KAISHA, Nagoya, JP;
Abstract
A liquid discharge head includes a channel unit. The channel unit is formed therein with: a plurality of individual channels aligning in a first direction, a common channel extending in the first direction, a supply hole in communication with the common channel, and a damper chamber provided in a position overlapping with the supply hole in a second direction orthogonal to the first direction. The channel unit includes a first plate having a first surface where a recess is formed to constitute the damper chamber, and a second plate having a second surface attached to the first surface via an adhesive. A protrusion is provided on a bottom of such a first part of the recess as overlaps with the supply hole in the second direction.