公开(公告)号：US20240208238A1

公开(公告)日：2024-06-27

申请号：US18393703

申请日：2023-12-22

Applicant: Eiri SAGAE ,  Tomoko KUROSAWA ,  Makito NAKASHIMA ,  Toshihiro KANEMATSU

Inventor： Eiri SAGAE ,  Tomoko KUROSAWA ,  Makito NAKASHIMA ,  Toshihiro KANEMATSU

IPC: B41J2/175 ,  B41J2/045

CPC classification number: B41J2/17596 ,  B41J2/04581

Abstract: A liquid discharge head includes: a discharge port through which a liquid is discharged in a discharge direction; a valve body to openably close the discharge port; and a driver coupled to the valve body to move the valve body in the discharge direction, wherein the valve body includes: an elastic member including: a first elastic portion having a first elastic modulus; and a second elastic portion having a second elastic modulus different from the first elastic modulus, the elastic member to contact the discharge port to close the discharge port; and a core attached to the elastic member to support the elastic member.

公开(公告)号：US20230294412A1

公开(公告)日：2023-09-21

申请号：US18121599

申请日：2023-03-15

Applicant: Tomoko KUROSAWA ,  Eiri SAGAE ,  Makito NAKASHIMA ,  Riku MAESHIRO

Inventor： Tomoko KUROSAWA ,  Eiri SAGAE ,  Makito NAKASHIMA ,  Riku MAESHIRO

IPC: B41J2/175

CPC classification number: B41J2/17596

Abstract: A liquid discharge head includes a nozzle plate having a discharge port, and a valve facing the nozzle plate to open and close the discharge port. The valve includes a core having a recess, and an elastic member attached to the core. The recess has: an opening rim on a leading end of the core, the opening rim defining an opening of the recess opening toward the discharge port; a bottom face opposite to the opening rim; and a retaining portion having a width wider than a width of a portion other than the retaining portion of the recess in a width direction. the retaining portion disposed in a rear region between the bottom face and a center of the recess. The elastic member includes a first portion fitted into the recess and a second portion projecting from the opening of the recess toward the discharge port.