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. 02, 2022
Filed:
Oct. 01, 2020
Ricoh Company, Ltd., Tokyo, JP;
Shiomi Andoh, Kanagawa, JP;
Noritaka Masuda, Ibaraki, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A liquid discharge head includes nozzles, pressure chambers, a common supply channel, a common collection channel, and an air chamber. The nozzles are configured to discharge liquid. The pressure chambers are communicated with the nozzles, respectively. The common supply channel is communicated with the pressure chambers. The common supply channel includes a displaceable first region in a part of a wall of the common supply channel. The common collection channel is communicated with the pressure chambers. The common collection channel includes a displaceable second region in a part of a wall of the common collection channel. The air chamber faces a surface of the first region and a surface of the second region. The surface of the first region is opposite the wall of the common supply channel. The surface of the second region is opposite the wall of the common collection channel.