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:
May. 06, 2025
Filed:
Mar. 01, 2023
Shusei Murai, Tokyo, JP;
Tatsumi Suzuki, Tokyo, JP;
Keiko Maruyama, Miyagi, JP;
Satoshi Kudoh, Miyagi, JP;
Hiroyasu Umehara, Miyagi, JP;
Shusei Murai, Tokyo, JP;
Tatsumi Suzuki, Tokyo, JP;
Keiko Maruyama, Miyagi, JP;
Satoshi Kudoh, Miyagi, JP;
Hiroyasu Umehara, Miyagi, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A liquid discharge head includes a nozzle forming member having a nozzle configured to discharge liquid; an opening and closing member configured to open and close the nozzle; a piezoelectric body configured to expand and contract in an axial direction in response to a drive voltage so as to actuate the opening and closing member such that the nozzle is opened and closed; a first housing member having a cylindrical shape and configured to house the piezoelectric body; and a ground member configured to contact an inner side of the first housing member.