Inkjet printhead having recessed transverse ribs across fluid channel

US10071562B2 · kind B2 · utility

Assignee

• Memjet Technology Limited · IE

Inventors

• Garry Raymond Jackson · Sydney, AU
• Norman Micheal Berry · Sydney, AU
• Michael John Hudson · Sydney, AU
• Brian Robert Brown · Chatswood, AU
• Samuel George Mallinson · Sydney, AU
• Geordie McBain · Chatswood, AU

Key dates

• Filing date: May 1, 2017
• Grant date: Sep 11, 2018
• Expiry date: May 1, 2037

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B41J2202/21
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

An inkjet printhead includes: an elongate fluid manifold comprising at least one longitudinally extending channel, the fluid manifold having a base defining a plurality of ink outlets, the fluid outlets being spaced apart longitudinally along a floor of the channel; a plurality of printhead chips bonded to the base of the fluid manifold, each printhead chip receiving ink from one or more fluid outlets; and a plurality of transverse ribs positioned across the channel, each transverse rib extending upwardly from the floor of the channel. One or more of the transverse ribs has a recess allowing fluid flow along the floor of the channel between the transverse ribs.