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公开(公告)号：US11571919B2
公开(公告)日：2023-02-07
申请号：US17185479
申请日：2021-02-25
发明人： Gary Pfeffer , Keith Buxton
IPC分类号： B41J2/31 , B41J25/312 , B41J25/316 , B41J2/325 , B41J2/035 , B41J2/175
摘要： A printer comprising a printhead configured to selectively cause a mark to be created on a substrate. The printer comprises a stepper motor having an output shaft coupled to the printhead, the stepper motor being arranged to vary the position of the printhead relative to a printing surface against which printing is carried out, and to control the pressure exerted by the printhead on the printing surface. The printer further comprises a sensor configured to generate a signal indicative of an angular position of the output shaft of the stepper motor. The printer further comprises a controller arranged to generate control signals for the stepper motor so as to cause a predetermined torque to be generated by the stepper motor; said control signals being at least partially based upon an output of said sensor.
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公开(公告)号：US20210237480A1
公开(公告)日：2021-08-05
申请号：US17160463
申请日：2021-01-28
发明人： Yusaku AMANO , Takeshi AOKI
IPC分类号： B41J11/00 , B41J25/316 , B41J2/155 , B41J2/21
摘要： A printer includes a transport unit, a line head, and a head moving unit. The transport unit supports a medium during transport. The line head performs recording on the medium that is disposed so as to face the transport unit at one or more recording positions of recording on the medium. The head moving unit moves the line head to one or more retreat positions away from the transport unit with respect to the recording position. In addition, the head moving unit moves the line head in a B direction intersecting both an X direction and a Z direction.
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公开(公告)号：US11065895B2
公开(公告)日：2021-07-20
申请号：US16875253
申请日：2020-05-15
申请人： Soichi Saiga
发明人： Soichi Saiga
IPC分类号： B41J25/34 , B41J2/15 , B41J25/316 , B41J25/308
摘要： A liquid discharge device includes a liquid discharge head to discharge a liquid, a head holder to hold the liquid discharge head, a sub-carriage to hold the head holder, a carriage to hold the sub-carriage and move in a main scanning direction, an adjuster supported by the sub-carriage, and a guide to guide the sub-carriage to be movable in a vertical direction. The carriage includes a reference shaft extending in the main scanning direction, the reference shaft supports the sub-carriage via the adjuster and positions the sub-carriage in the vertical direction, the adjuster adjusts an inclination of the sub-carriage with respect to the reference shaft, the sub-carriage includes a sub-reference shaft extending in parallel with the reference shaft, and the guide allows the sub-reference shaft to move in the vertical direction while restricting a movement of the sub-reference shaft in a sub-scanning direction perpendicular to the main scanning direction.
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4.发明申请公开(公告)号：US20210162784A1
公开(公告)日：2021-06-03
申请号：US17103526
申请日：2020-11-24
申请人： Kengo Tsubaki
发明人： Kengo Tsubaki
IPC分类号： B41J25/316
摘要： A recording-head position adjustment mechanism adjusts a position of a recording head. The recording-head position adjustment mechanism includes a first support, a second support, and an adjuster. The first support supports a first end of the recording head in a longitudinal direction of the recording head. The second support supports a second end of the recording head in the longitudinal direction. The adjuster moves the second support with respect to the first support in a transverse direction intersecting the longitudinal direction to adjust an inclination of the recording head.
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公开(公告)号：US10998531B2
公开(公告)日：2021-05-04
申请号：US16184105
申请日：2018-11-08
发明人： William E. Quinn , Gregory McGraw
IPC分类号： H01L51/56 , H01L51/50 , H01L51/00 , C23C14/22 , B41J2/04 , B41J2/155 , C23C14/04 , C23C14/12 , B41J25/316 , B41J25/308
摘要： Implementations of the disclosed subject matter provide a print bar for organic vapor jet (OVJP) deposition is provided that includes a plurality of n print head segments, where each of the plurality of print head segments may have an OVJP print head. The print bar may include a plurality of distance sensors, where each of the plurality of distance sensors may be configured to measure a distance between a substrate disposed below the print bar and a portion of at least one of the print head segments. The print bar may include a plurality of not more than n+1 actuators configured to adjust at least one of a position and an orientation of one or more of the plurality of print head segments based upon one or more distances between the substrate and the print bar measured by one or more of the plurality of distance sensors.
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公开(公告)号：US20210078344A1
公开(公告)日：2021-03-18
申请号：US17022130
申请日：2020-09-16
发明人： Sho Koshiba
IPC分类号： B41J25/316 , B41J19/20 , B41J25/308
摘要： An inkjet printer capable of improving uniformity of the quality of an image printed on a recording medium is provided and includes: a table formed with a support surface that supports a recording medium; an inkjet head formed with a nozzle that ejects ink; a Y-bar that supports the inkjet head to be movable in a main scanning direction; two lifting mechanisms capable of changing a Y-bar tilt serving as a tilt of the Y-bar with respect to the support surface; a head gap sensor that detects a head gap, which is a distance from the recording medium to the nozzle of the inkjet head; and a tilt adjustment portion that adjusts the Y-bar tilt by the two lifting mechanisms to a tilt that reduces variations of the head gaps detected by the head gap sensor at each of multiple positions in the main scanning direction.
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公开(公告)号：US10828899B2
公开(公告)日：2020-11-10
申请号：US16696714
申请日：2019-11-26
IPC分类号： B41J2/165 , B41J25/34 , B41J2/21 , B41J25/316
摘要： Example methods for the maintenance of printheads are provided, the printheads comprising a reservoir containing a printing fluid with particles in suspension, and a nozzle plate. Example methods may comprise capping the nozzle plate of the printhead, and rotating the capped printhead. Example maintenance devices for printheads are also provided, comprising a support with a socket to attach a printhead to the support, a drive unit to rotate the support about a rotation axis, and a control unit connected to the drive unit to perform a predetermined rotation cycle.
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公开(公告)号：US20200094559A1
公开(公告)日：2020-03-26
申请号：US16696714
申请日：2019-11-26
IPC分类号： B41J2/165 , B41J2/21 , B41J25/34 , B41J25/316
摘要： Example methods for the maintenance of printheads are provided, the printheads comprising a reservoir containing a printing fluid with particles in suspension, and a nozzle plate. Example methods may comprise capping the nozzle plate of the printhead, and rotating the capped printhead. Example maintenance devices for printheads are also provided, comprising a support with a socket to attach a printhead to the support, a drive unit to rotate the support about a rotation axis, and a control unit connected to the drive unit to perform a predetermined rotation cycle.
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公开(公告)号：US20190168523A1
公开(公告)日：2019-06-06
申请号：US16029881
申请日：2018-07-09
发明人： John A. WEISMANTEL
IPC分类号： B41J25/308 , B41J2/21 , B41J29/02 , B41J25/00 , B41J25/34 , B41J25/316
CPC分类号： B41J25/308 , B41J2/2146 , B41J25/001 , B41J25/003 , B41J25/3082 , B41J25/3088 , B41J25/316 , B41J25/34 , B41J29/02
摘要： Mechanisms for adjusting the position of one or more print heads at an extremely fine resolution (e.g., less than 10 μm) are described herein. The adjustment mechanisms include a differential screw and an indexing wheel through which the differential screw extends. One threaded segment of the differential screw is connected to a threaded feature of a flexible body that is coupled to the print head(s), while another threaded segment of the differential screw is connected to a threaded feature of a rigid body that is coupled to a printer assembly. As the indexing wheel and differential screw rotate, the space between the flexible body and the rigid body changes based on the difference between the pitches of the threaded segments. The adjustment mechanisms described herein utilize the accurate, consistent motion of the flexible body upon experiencing pressure to effect predictable changes in the position of the print head(s).
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公开(公告)号：US10308054B2
公开(公告)日：2019-06-04
申请号：US15431218
申请日：2017-02-13
摘要： A fluid ejection module mounting apparatus, including a module mount having a horizontal portion and a vertical portion, a fluid ejection module mounted to the module mount, and a clamp assembly including a recessed portion, a clamp along a wall of the recessed portion, and a lever coupled to the clamp and configured to move the clamp from an open position to a closed position. The horizontal portion has an opening configured to receive a fluid ejection module and the vertical portion has a protruding portion. The protruding portion of the module mount is configured to mate with the recessed portion of the clamp assembly.
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