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:
Jan. 25, 2022
Filed:
Oct. 01, 2020
Ricoh Company, Ltd., Tokyo, JP;
Takayuki Nakai, Kanagawa, JP;
Shiomi Andoh, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A liquid discharge head includes a nozzle plate, a channel plate, a common channel substrate, and a wall member. The nozzle plate includes a plurality of nozzles configured to discharge liquid. The channel plate includes a plurality of pressure chambers communicated with the nozzles, respectively. The common channel substrate includes a common channel communicated with the pressure chambers. The wall member includes a deformable region in a part of a wall surface of the common channel. The channel plate and the common channel substrate are disposed with the wall member interposed between the channel plate and the common channel substrate. The channel plate includes an air chamber facing the deformable region. The channel plate includes a bridge portion partially dividing the air chamber in a nozzle arrangement direction in which the nozzles are arranged. The bridge portion is not in contact with the wall member and the nozzle plate.