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:
Feb. 15, 2022
Filed:
May. 11, 2020
Ricoh Company, Ltd., Tokyo, JP;
Masaki Kato, Tokyo, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A liquid discharge head includes a plurality of nozzles configured to discharge a liquid, a plurality of pressure chambers respectively communicating with the plurality of nozzles, a plurality of common-supply branch channels each communicating with two or more of the plurality of pressure chambers, a common-supply main channel communicating with each of the plurality of common-supply branch channels, a plurality of common-collection branch channels each communicating with two or more of the plurality of pressure chambers, and a common-collection main channel communicating with each of the plurality of common-collection branch channels. The plurality of nozzles is arrayed in a two-dimensional matrix in a first direction and a second direction intersecting with the first direction, the plurality of common-supply branch channels and the plurality of common-collection branch channels are alternately arranged in the second direction.