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公开(公告)号：US11014365B2
公开(公告)日：2021-05-25
申请号：US16591508
申请日：2019-10-02
Applicant: MEMJET TECHNOLOGY LIMITED
Inventor： David Burke , Norman Berry , Harrick Selvan Anothonysamy , Reynovel Pacinio Anciano , Soon Keat Fah , Poh Lai Say
Abstract: A print module includes: a cradle defining a longitudinal cavity; an elongate printhead received in the longitudinal cavity, the printhead having a row of printhead contacts; a PCB slidably movable relative to the cradle along a first axis perpendicular to a longitudinal axis of the printhead; and an actuator handle. The actuator handle is configured for reciprocally lowering and raising the PCB and urging the PCB contacts into engagement with the printhead contacts, thereby forming electrical connections between the PCB and the printhead. The PCB electrical contacts are urged along a second axis perpendicular to the first axis and the longitudinal axis of the printhead.
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公开(公告)号：US11014364B2
公开(公告)日：2021-05-25
申请号：US16591507
申请日：2019-10-02
Applicant: MEMJET TECHNOLOGY LIMITED
Inventor： David Burke , Norman Berry , Harrick Selvan Anothonysamy , Reynovel Pacinio Anciano , Soon Keat Fah , Poh Lai Say
Abstract: A print module includes: a cradle having a longitudinal cavity; an elongate printhead assembly positioned in the longitudinal cavity; a supply assembly slidably movable relative to the cradle along an axis perpendicular to a longitudinal axis of the printhead assembly, the supply assembly including a PCB fastened to a PCB mounting plate having a resilient flange configured for clamping engagement with a portion of the PCB containing PCB contacts; and a slide plate slidably movable relative to the cradle along an axis parallel to the longitudinal axis of the printhead assembly. The slide plate is configured for camming engagement with the resilient flange and sliding movement of the slide plate urges the resilient flange into clamping engagement with the portion of the PCB containing PCB contacts, thereby electrically connecting the PCB contacts with the printhead.
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公开(公告)号：US20210138799A1
公开(公告)日：2021-05-13
申请号：US17153594
申请日：2021-01-20
Applicant: MEMJET TECHNOLOGY LIMITED
Inventor： MARK PROFACA
IPC: B41J11/00 , B41J29/02 , B41J2/165 , B41J25/304 , B41J29/06
Abstract: A method of securing a printhead assembly in a printing position relative to a media feed path. The method includes the steps of: lowering the printhead assembly towards datum surfaces, each datum surface having a fixed position relative to the media feed path; and magnetically attracting portions of the printhead assembly towards the datum surfaces so as to secure the printhead assembly in the printing position.
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公开(公告)号：US10987933B2
公开(公告)日：2021-04-27
申请号：US16698554
申请日：2019-11-27
Applicant: Memjet Technology Limited
Inventor： Dan Baterna , Rommel Balala
Abstract: A printer includes: a platen having an ink-collection slot extending across its width; a wick bar received in the ink-collection slot, wherein an upstream gap and a downstream gap are defined at either side of the wick bar relative to a media feed direction; a printhead positioned over the wick bar; and a vacuum chamber in fluid communication with the ink-collection slot. The wick bar is absent from a mid-portion of the platen and the mid-portion of the platen is aligned, in the media feed direction, with an upstream media picker.
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公开(公告)号：US10981389B2
公开(公告)日：2021-04-20
申请号：US16591516
申请日：2019-10-02
Applicant: MEMJET TECHNOLOGY LIMITED
Inventor： David Burke , Norman Berry , Harrick Selvan Anothonysamy , Reynovel Pacinio Anciano , Soon Keat Fah , Poh Lai Say
Abstract: A print module includes: a cradle having a nest for receiving a printhead; an elongate printhead received in the nest; a supply assembly slidably movable relative to the cradle along an axis perpendicular to a longitudinal axis of the printhead; and a lift mechanism for reciprocally lowering and raising the supply assembly towards and away from the printhead, the lift mechanism having a single actuator handle positioned at the first end of the cradle. Movement of the actuator handle causes engagement or disengagement between the printhead and the supply assembly via sliding movement of the supply module relative to the cradle.
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Patent Agency Ranking
公开(公告)号：US10967638B2
公开(公告)日：2021-04-06
申请号：US16591494
申请日：2019-10-02
Applicant: MEMJET TECHNOLOGY LIMITED
Inventor： David Burke , Norman Berry , Harrick Selvan Anothonysamy , Reynovel Pacinio Anciano , Soon Keat Fah , Poh Lai Say
Abstract: A print module includes: a cradle defining a longitudinal cavity and an access opening at a first end of the longitudinal cavity; an elongate printhead carrier positioned in the longitudinal cavity, the printhead carrier being pivotable about a pivot axis at a second end of the cradle opposite the first end; and an elongate printhead longitudinally slidably engaged with the printhead carrier. The printhead is removable from the cradle via pivoting of the printhead carrier and longitudinally sliding the printhead relative to the printhead carrier through the access opening.
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公开(公告)号：US20210078328A1
公开(公告)日：2021-03-18
申请号：US17017397
申请日：2020-09-10
Applicant: MEMJET TECHNOLOGY LIMITED
Inventor： Jason Mark Thelander , David Oliver Burke
Abstract: A modular inkjet printhead includes a plurality of printhead modules arranged end on end in a row. Each printhead module includes: a substrate having a plurality of longitudinal ink supply channels; a plurality of print chips mounted on a first face of the substrate, each print chip receiving ink from a respective ink supply channel; and a plurality of fingers extending longitudinally from opposite ends of each printhead module, each finger having an ink port extending away from a second face of the substrate opposite the first face, each ink port being in fluid communication with a respective ink supply channel Each ink supply channel is connected to a respective pair of ink ports at opposite ends of each printhead module and the fingers of neighboring printhead modules are interdigitated such that the ink ports of neighboring printhead modules overlap.
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公开(公告)号：US20210061644A1
公开(公告)日：2021-03-04
申请号：US17002694
申请日：2020-08-25
Applicant: MEMJET TECHNOLOGY LIMITED
Inventor： MICHAEL HUDSON
Abstract: A MEMS printhead including: a plurality of nozzle chambers arranged in a plurality of nozzle rows, each nozzle chamber having: a nozzle opening for ejection of ink, an inlet channel extending parallel with a direction of droplet ejection and an outlet channel extending perpendicular to the inlet channel; an ink delivery channel extending parallel with the nozzle rows, the ink delivery channel supplying ink to a plurality of inlet channels; a plurality of ink collection channels extending across the nozzle rows, each ink collection channel collecting ink from a set of outlet channels; and an ink receiving channel extending parallel with the nozzle rows, the ink receiving channel receiving ink from the ink collection channels.
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公开(公告)号：US20210061467A1
公开(公告)日：2021-03-04
申请号：US17096892
申请日：2020-11-12
Applicant: MEMJET TECHNOLOGY LIMITED
Inventor： Elmer Dimaculangan Perez , Angus North , Graeme Lowe , See-Huat Tan , Christopher Barton
Abstract: A MEMS chip assembly includes: a support structure having a chip mounting surface; a MEMS chip mounted on the chip mounting surface, the MEMS chip having an active surface including one or more rows of MEMS devices and a row of bond pads disposed alongside a connection edge of the MEMS chip and parallel with the rows of MEMS devices; electrical connectors connected to the bond pads; and an encapsulant material covering the electrical connectors. The MEMS chip has a plurality of trenches defined in the active surface, the trenches extending parallel with the rows of MEMS devices and disposed between the bond pads and the MEMS devices. The encapsulant material does not encroach past the trenches towards the MEMS devices.
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公开(公告)号：US10926556B2
公开(公告)日：2021-02-23
申请号：US16592698
申请日：2019-10-03
Applicant: MEMJET TECHNOLOGY LIMITED
Inventor： Mark Profaca
IPC: B41J29/02 , B41J25/304 , B41J11/00 , B41J2/165 , B41J29/06
Abstract: An inkjet printing assembly includes: a support chassis having a plurality of datum surfaces; a print bar chassis liftably mounted on the support chassis, the print bar chassis having one or more printheads mounted thereon and a plurality of datum pins for engagement with the datum surfaces; a lift mechanism for moving the print bar chassis between a lowered position in which the datum pins are engaged with the datum surfaces and a raised position in which the datums pins are spaced apart from the datum surfaces; and one or more magnets for urging the print bar chassis towards the support chassis.
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