Patent · US Expired

Inkjet printhead nozzle having wall actuator

US6959981B2 · kind B2 · utility

20Cited by

19References

5Claims

0Family size

Assignee

Silverbrook Research Pty Ltd · AU

Inventors

Kia Silverbrook · Sydney, AU
Gregory John McAvoy · Sydney, AU

Key dates

Filing date	Aug 8, 2003
Grant date	Nov 1, 2005
Priority date	—
Expiry date	Nov 10, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49401
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

An ink jet printhead nozzle arrangement having an ink chamber formed in a wafer substrate and one wall of said chamber having at least one flexible portion. The ink ejection port is formed substantially centrally on the wall with a rim surrounding it. The wall is adapted to move independently of said rim such that upon actuation of the at least one flexible portion of the wall, the wall moves into said ink chamber forcing ink therein out through the said ejection port.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.