Flüssigkeitsausstosskopf und Flüssigkeitsausstossvorrichtung

Details

Veröffentlichungs-Nr.

EP4245543

Aktenzeichen

EP23161937

Anmeldetag

15. März 2023

Veröffentlichung

7. Mai 2025

Erteilung

7. Mai 2025

Rechtsraum

EP

IPC

B41J2/14

Abstract

A liquid discharge head (10) includes a nozzle plate (15) having a discharge port (14) and a valve (31) to open and close the discharge port (14). The valve (31) includes a core (310) having: a recess (312) having an opening rim (312c) defining an opening of the recess (312) opening toward the discharge port (14) in a depth direction, a bottom face (312a) opposite to the opening rim (312c) in the depth direction, and a retaining portion (50) having a width wider than a width of a portion other than the retaining portion (50) of the recess (312) in a width direction and disposed in a rear region between the bottom face (312a) and a center of the recess (312); and an elastic member (40) including a first portion fitted into the recess (312) and a second portion projecting from the opening of the recess (312) toward the discharge port (14).

Anmelder

Firma

Ricoh Company, Ltd.

Land

🇯🇵 Japan

Fachgebiete