Silverbrook Research Pty Ltd

Zamtec Limited

Memjet Technology Limited

Other

Kia Silverbrook

Paul Ian Mackey

Akira Nakazawa

Garry Raymond Jackson

Christopher Hibbard

Norman Micheal Berry

Norman Michael Berry

Attila Bertok

Geoffrey Philip Dyer

Makomo Tsubono

Tobin Allen King

David William Jensen

John Douglas Peter Morgan

Vesa Karppinen

David Alvin Tyvoll

John Christian Love

Antoni S Murcia

Gregory Michael Tow

Robert John Brice

Bruce Gordon Holyoake

Nicholas Kenneth Abraham

Saminda Jayatileke

Biagio Agostinelli

Jeffrey D Lueschen

Javier Escobedo

Antonio Joao Ubach

Jeffrey Johnson

David Petersen

Arnold Peregrino

Dan Baterna, Jr

Paul Daniel Faucher

Attilla Bertok

John Douglas Morgan

Patrick John Mcauliffe

Andrew John Graf

A printer having a beltless guide for guiding print media around a curved media feed path. The guide includes: first and second opposed guide surfaces for guiding print media therebetween; and a chicane corresponding to a point of inflection in the curved media feed path. The media path does not follow a curvature of the chicane and the chicane is configured to transfer print media from contact with the second surface to contact with the first surface or vice versa.

Printer having guide for guiding print media around curved media path

A removable printhead cartridge for a single-pass inkjet printer, the printhead assembly including: a body adapted for user removal and insertion in the printer; an elongate ink manifold assembly mounted in the body, the ink manifold assembly having a plurality of longitudinally extending ink channels, a plurality of outlets defined in a mounting surface; and a plurality of ink conduits connecting each ink channel to a corresponding set of outlets; a plurality of printhead chips mounted on the mounting surface; a plurality of ink storage modules, each containing a device for delivering ink to the printhead chips at a negative pressure; and a plurality of electrical connectors.

Removable printhead cartridge having plurality of printhead chips

A printer includes: a media tray; a picker; a media guide for guiding the media sheets around a media feed path towards a print zone; a main drive roller assembly positioned upstream of the print zone; and an intermediary drive roller assembly positioned between the picker and the main drive roller assembly. The intermediary drive roller assembly includes: an intermediary idler roller mounted on an intermediary idler shaft; and an intermediary drive roller having a gripping surface engaged with the intermediary idler roller. An intermediary drive shaft is pivotally connected to a support shaft via a swing arm, such that the intermediary drive shaft is arcuately moveable relative to the intermediary idler shaft to provide a variable distance therebetween.

Printer having regenerative intermediary drive

A printer includes: a stationary inkjet printhead; a media feed path for guiding print media twice past the printhead; and a feed mechanism for feeding print media unidirectionally through the media feed path at a constant speed. The media feed path includes: a first section configured for feeding print media past the printhead from a first side of the printhead in a first direction with respect to the printhead; a second section downstream of the first section, the second section being configured for guiding print media around a single loop, the loop being positioned at a second side of the printhead opposite the first side; and a third section downstream of the second section, the third section being configured for feeding print media past the printhead from the second side of the printhead in an opposite second direction with respect to the printhead.

Printer with criss-cross duplexer

A removable printhead assembly for a single-pass inkjet printer, the printhead assembly including: a body adapted for user removal and insertion in the printer; an elongate ink manifold assembly mounted in the body, the ink manifold assembly having a plurality of longitudinally extending ink channels, a plurality of outlets defined in a mounting surface; and a plurality of ink conduits connecting each ink channel to a corresponding set of outlets; a plurality of printhead chips mounted on the mounting surface; a plurality of pressure regulator assemblies for delivering ink to the printhead chips at a negative pressure; a plurality of electrical connectors; and a plurality of ink ports.

Removable printhead assembly for single-pass inkjet printer

An elongate ink distribution member for mounting a printhead integrated circuit. The ink distribution member includes a plurality of longitudinally extending ink supply channels and a mounting surface having a plurality of ink supply conduits defined therein. The ink supply conduits are arranged in sets with each set of ink supply conduits being in fluid communication with a respective one of the ink supply channels. The ink supply conduits extend generally transversely from an upstream outer region towards a downstream inner region of the mounting surface.

Ink distribution member for mounting printhead integrated circuit

A pagewidth printhead assembly for an inkjet printer includes: a plurality of channels for distributing the ink along a length of the printhead assembly; a plurality of printhead integrated circuits; and an ink distribution member upon which the printhead integrated circuits are fixed and which distributes ink from the channels to the printhead integrated circuits. The ink distribution member has a plurality of ink supply holes and a plurality of ink supply conduits defined in a surface thereof and the printhead integrated circuits are fixed to the ink distribution member via a bonding film. The bonding film includes a plurality of through-holes coinciding with the ink supply holes and end portions of the ink supply conduits.

Pagewidth printhead assembly having ink distribution member

A replaceable printhead cartridge includes: an elongate cartridge body having an elongate structure with a plurality of longitudinally extending channels; a pagewidth printhead mounted on the elongate structure; a first fluid coupling positioned towards one end of the elongate structure; and a second fluid coupling positioned towards an opposite end of the elongate structure. The first and second fluid couplings each has an interface plate supporting a plurality of spouts positioned for sealed engagement with corresponding apertures in a complementary socket of a printer. The spouts are in fluid communication with the respective ends of corresponding longitudinally extending channels. The spouts extend from respective interface plates in a direction transverse to a longitudinal axis of the cartridge body and parallel with a media feed direction.

Replacable printhead cartridge for inkjet printer

A printer having a media width printhead; a media path from a media input area to the printhead; a door hingedly mounted to a body of the printer which can be opened to expose the media path a media diverter mounted to the door such that when the door is in a closed position the door and the diverter define guiding portions of the path, the diverter being pivotally mounted to the door so that the diverter pivots out of the way upon opening of the door; and a displacement mechanism configured to retract the diverter with the opening movement of the door and to reposition the diverter for media guiding with the closing movement of the door.

Printer having media clearance mechanism

A printhead integrated circuit includes: an elongate silicon substrate having a frontside and a backside; a row of nozzle chambers disposed at the frontside of the substrate, each nozzle chamber having a respective nozzle opening defined in a roof thereof and a respective inlet defined in a floor thereof; a row of inlet channels defined in the substrate, each inlet channel having a first end defining the inlet of a respective nozzle chamber and an opposite second end; and an ink supply channel defined in the backside of the substrate, each ink supply channel having a depth sufficient to meet with the second ends the inlet channels. Each ink supply channel is elongate and extends longitudinally along a length of the substrate so as to provide fluidic communication between the backside and the nozzle chambers.

Printhead integrated circuit having frontside inlet channels and backside ink supply channels

A printhead assembly for an inkjet printer including: an elongate ink distribution member having a plurality of outlets spaced along a length thereof; a plurality of printhead integrated circuits fixed to the ink distribution member, each printhead integrated circuit having nozzles for ejecting ink supplied via the plurality of outlets; and an electrical connector for transmitting power and data to the plurality of printhead integrated circuits. The electrical connector has a first end electrically connected to the plurality of integrated circuits and a second end having an elongate array of contacts for electrical connection with a corresponding array of contacts on the inkjet printer.

Printhead assembly having electrical connector for transmitting power and data

An inkjet printer includes: a print engine having a cradle for receiving a removable printhead cartridge; an ink inlet manifold for supplying ink to a printhead cartridge; and an ink outlet manifold for receiving ink from the printhead cartridge. The printhead cartridge includes: a cartridge body configured for user insertion and removal from the ink jet printer; a pagewidth printhead housed in the cartridge body, the pagewidth printhead defining an array of nozzles for ejecting ink onto a media substrate; a first fluid coupling in fluid communication with the pagewidth printhead; and a second fluid coupling in fluid communication with the pagewidth printhead. The first and second fluid couplings establish fluid communication with the ink inlet manifold and ink outlet manifold respectively, upon insertion of the cartridge body in the cradle.

Inkjet printer with removable cartridge establishing fluidic connections during insertion

A media clearance mechanism for a printer, the media clearance mechanism having a door hingedly mounted to a body of the printer which can be opened to expose a media width of a media path to a media width printhead of the printer; a media diverter mounted to the door such that when the door is in a closed position the door and the diverter define guiding portions of the path, the diverter being pivotally mounted to the door so that the diverter pivots out of the way upon opening of the door; and a displacement mechanism configured to retract the diverter with the opening movement of the door and to reposition the diverter for media guiding with the closing movement of the door.

Media clearance mechanism for printer

A cartridge for a printer is provided having a body defining a number of fluid reservoirs, a lid covering the body to seal fluid inside the reservoirs, and a printhead operatively fed with fluid from the reservoirs. A base of each reservoir is provided with a raised portion which surrounds a fluid outlet through which fluid flows for supply to the printhead. Each raised portion being molded in the body to separate the outlet from the base of each reservoir to ensure a sufficient flow rate of fluid from the reservoir.

Cartridge for printer having fluid flow arrangement

A cradle unit for receiving a print cartridge to form a print engine, the cradle unit includes a main body defining an opening for receiving said cartridge, the main body having a frame structure including end plates with drive and exit rollers mounted therebetween; a printed circuit board (PCB) pivotally mounted between the end plates for housing control electronics for controlling the operation of the print engine; a cover assembly for securing said cartridge in the opening, the cover assembly pivotally mounted between the end plates, the cover assembly configured to pivot the PCB into electrical contact with a printhead controller on the cartridge when in a closed position, and to pivot the PCB out of electrical connection with said printhead controller when in an open position; and a maintenance assembly mounted to the main body, the maintenance assembly movable between a capping state where a printhead of the print cartridge is capped, and a printing stage where a printhead of the print cartridge is uncapped.

Growing community of inventors

Balmain, Australia

Paul Ian Mackey