Flüssigkeitsausstosskopf, Kopfmodul und Flüssigkeitsausstossvorrichtung

Details

Veröffentlichungs-Nr.

EP4282659

Aktenzeichen

EP23174518

Anmeldetag

22. Mai 2023

Veröffentlichung

1. Januar 2025

Erteilung

1. Januar 2025

Rechtsraum

EP

IPC

B41J2/14

Abstract

A liquid discharge head (100) includes: a housing (110); a nozzle plate (101) attached to the housing (110), the nozzle plate (101) having a nozzle (102) from which a liquid is to be discharged; a valve (131) in the housing (110), the valve (131) configured to move in an opening and closing direction and openably close the nozzle (102); a driver (132) having one end coupled to the valve in the opening and closing direction, the driver (132) configured to drive the valve; and a fixing member (118) fixed to the housing (110) and coupled to another end of the driver in the opening and closing direction. The driver (132) has a first linear expansion coefficient, each of the valve and the fixing member (118) has a second linear expansion coefficient, and the first linear expansion coefficient and the second linear expansion coefficient are reversed in positivity and negativity.

Anmelder

Firma

Ricoh Company, Ltd.

Land

🇯🇵 Japan

Fachgebiete