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:
Sep. 28, 2021
Filed:
Nov. 07, 2019
Ryohta Matsufuji, Kanagawa, JP;
Kohta Akiyama, Kanagawa, JP;
Noriyasu Takeuchi, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A liquid discharge head includes a plurality of nozzles from which a liquid is discharged in a discharge direction, a plurality of individual chambers communicating with the plurality of nozzles, respectively, a common chamber communicating with each of the plurality of individual chambers, a drive element configured to change a volume of each of the plurality of individual chambers to discharge the liquid in the plurality of individual chambers from the plurality of nozzles, and a refrigerant channel through which a refrigerant flows, the refrigerant channel facing the common chamber via a partition in the discharge direction.