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公开(公告)号：US10479633B2
公开(公告)日：2019-11-19
申请号：US16107376
申请日：2018-08-21
发明人： Masahiro Kawajiri , Toru Takami
IPC分类号： B65H18/10 , B65H23/195 , B65H54/58 , B65H75/22 , B65H75/24
摘要： A winding device includes a winding shaft that rotates and winds a print medium conveyed from a printing device having a conveyance roller that conveys the print medium, a gear, and a motor driving the conveyance roller and the gear. The winding device also includes a power transfer mechanism to connect to the gear and transfer power to the motor, and a lever disposed between the winding shaft and the conveyance roller in a conveyance path in a configuration in which the winding device is connected to the printing device. The lever may be moved between a first position in which the print medium bends and a second position in which the print medium bends at a shallower angle than at the first position.
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公开(公告)号：US20160347566A1
公开(公告)日：2016-12-01
申请号：US15237057
申请日：2016-08-15
发明人： Masahiro Kawajiri , Toru Takami
IPC分类号： B65H18/10 , B65H54/58 , B65H75/24 , B65H23/195
CPC分类号： B65H18/10 , B65H23/195 , B65H54/585 , B65H75/22 , B65H75/241 , B65H2301/41368 , B65H2403/42 , B65H2403/47 , B65H2403/732 , B65H2701/194 , B65H2801/12
摘要： A winding device includes a winding shaft that rotates and winds a print medium conveyed from a printing device having a conveyance roller that conveys the print medium, a gear, and a motor driving the conveyance roller and the gear. The winding device also includes a power transfer mechanism to connect to the gear and transfer power to the motor, and a lever disposed between the winding shaft and the conveyance roller in a conveyance path in a configuration in which the winding device is connected to the printing device. The lever may be moved between a first position in which the print medium bends and a second position in which the print medium bends at a shallower angle than at the first position.
摘要翻译： 卷绕装置包括：卷绕轴，其旋转并卷绕从具有传送打印介质的输送辊的打印装置输送的打印介质，齿轮和驱动输送辊和齿轮的马达。 卷绕装置还包括连接到齿轮并将动力传递到马达的动力传递机构，以及设置在卷绕轴和输送辊之间的杠杆，该杆在输送路径中以卷绕装置连接到印刷 设备。 杠杆可以在其中打印介质弯曲的第一位置和打印介质在比第一位置更浅的角度弯曲的第二位置之间移动。
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公开(公告)号：US12128671B2
公开(公告)日：2024-10-29
申请号：US17933662
申请日：2022-09-20
发明人： Masahiro Kawajiri
CPC分类号： B41J11/0045 , B41J11/0075 , B41J11/0095 , B41J15/042 , B65H26/063 , B65H2301/41524 , B65H2403/42 , B65H2801/12
摘要： A printing apparatus 10 includes support member 12 that supports a core body Ra of a roll medium R, a transport mechanism 17 that transports the print medium S drawn out from the roll medium R, a first accommodation sidewall 27 and a second accommodation sidewall 28 arranged in a width direction, a print head 22, and a trailing edge detection section 60 that detects that all of the print medium S that is drawable out from the roll medium R has been drawn out by the transport mechanism 17, wherein the first accommodation sidewall 27 has groove 50, and the roll medium R is accommodated in an accommodation section 11 by engaging the support member 12 with the groove 50 and the trailing edge detection section 60 detects that the support member 12 is separated from an engagement surface 52 of the groove 50.
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公开(公告)号：US12053976B2
公开(公告)日：2024-08-06
申请号：US18055014
申请日：2022-11-14
发明人： Masahiro Kawajiri
IPC分类号： B41J11/42
CPC分类号： B41J11/42
摘要： A rebel printer includes an estimation unit that estimates a remaining amount of a roll sheet based on R=PF/(π·REV) (Equation (1)). A first measurement unit resets the measured cumulative rotation amount each time the remaining amount of the roll sheet is estimated or each time the remaining amount of the roll sheet is estimated multiple times, A second measurement unit resets the measured cumulative conveyance amount each time the remaining amount of the roll sheet is estimated or each time the remaining amount of the roll sheet is estimated multiple times, and the estimation unit performs a filter process on A diameter of the roll sheet calculated using the Equation (1), and estimates the diameter subjected to the filter process as the remaining amount of the roll sheet.
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公开(公告)号：US10427425B2
公开(公告)日：2019-10-01
申请号：US15923757
申请日：2018-03-16
发明人： Masahiro Kawajiri
IPC分类号： B41J11/00 , B41J3/407 , B41J15/02 , B41J15/04 , B65H16/06 , B65H20/02 , B65H16/02 , B41J2/16 , B65H23/04 , B65H23/185 , B41J2/15 , H04N1/00
摘要： Provided is a printer that can appropriately handle a paper (media) wound into a roll with one end of the paper affixed to a core, when the trailing end of the paper is detected, the trailing end of the paper being attached to the winding core in multiple ways. The printer has: a roll paper support that supports the core of a roll of paper; a roll driver that turns the core and delivers the paper; a conveyance device that conveys the delivered paper; a tension detection switch that outputs a first detection value when tension produced on the paper delivered from the roll is greater than or equal to a threshold; and a controller that drives the roll driver in the direction delivering the paper when the output of the tension detection switch changes to the first detection value in response to rotation of the core.
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公开(公告)号：US11981153B2
公开(公告)日：2024-05-14
申请号：US17804641
申请日：2022-05-31
发明人： Masahiro Kawajiri
CPC分类号： B41J3/4075 , B41J11/0095 , B41J15/042
摘要： A label printer includes: a feed control lever configured to rotate following a change in length of a roll paper between a transport roller pair and a feed roller pair, a first detector configured to detect a rotational angle of the feed control lever, a second detector configured to detect the rotational angle of the feed control lever, and a printing control unit, wherein the transport roller pair has a first mode in which the roll paper is transported at a first transport speed, and a second mode in which the roll paper is transported at a second transport speed that is slower than the first transport speed, the printing control unit is configured to control the feed roller pair based on the first detector in the first mode, and is configured to control the feed roller pair based on the second detector in the second mode.
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公开(公告)号：US11298960B2
公开(公告)日：2022-04-12
申请号：US16890191
申请日：2020-06-02
发明人： Masahiro Kawajiri
IPC分类号： B41J11/00
摘要： A printer device includes a transport mechanism that transports a continuous sheet in which a plurality of printing media are spaced apart from each other by a gap width and attached on a mount, a transmission sensor that detects transmittance of the continuous sheet, and a control unit that adjusts the transmission sensor. The control unit transports the continuous sheet in the +Y direction by using the transport mechanism, performs reverse transport control to transport the continuous sheet in the −Y direction by a reverse-feed distance that is greater than the gap by using the transport mechanism when the head position of a printing medium is detected by the transmission sensor, and adjusts the transmission sensor after the reverse transport control.
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公开(公告)号：US10442215B2
公开(公告)日：2019-10-15
申请号：US15923718
申请日：2018-03-16
发明人： Masahiro Kawajiri
IPC分类号： B41J11/00 , B41J3/407 , B41J11/70 , B41J15/02 , B41J15/04 , B65H16/06 , B65H20/02 , B65H16/02 , H04N1/00 , B41J2/15 , B65H23/185
摘要： Technology enabling correctly detecting that paper has been delivered from a paper roll to the trailing end A printer has an inkjet head; a roll paper support; a delivery motor configured to rotate the roll paper supported by the roll paper support; a guide member configured to guide roll paper conveyed from the paper roll; and a detection switch disposed to a position where it detects the conveyed roll paper when the delivery point on the circumference of the paper roll moves to the part of the circumference of the roll on the same side of an imaginary line as the guide member; the delivery point being from which the conveyed roil paper separates from the roil when the paper roll turns; and the imaginary line being tangent to the guide member and passing through the center of the roll.
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公开(公告)号：US09802429B2
公开(公告)日：2017-10-31
申请号：US15403948
申请日：2017-01-11
CPC分类号： B41J15/165 , B41J2/01 , B41J11/0095 , B41J11/42 , B41J15/04 , B41J15/048 , B65H16/026 , B65H20/02 , B65H23/185 , B65H2511/112 , B65H2513/11 , B65H2553/41 , B65H2553/412 , B65H2553/416 , B65H2801/12 , B65H2220/02 , B65H2220/01
摘要： A control method of a media conveyance device enables accurately detecting media slack by a detection mechanism with multiple emitters and multiple photodetectors disposed opposite the emitters. A printer (media conveyance device) has a controller that controls a delivery mechanism, a conveyance mechanism that conveys media, a delivery mechanism, and a conveyance mechanism, and controls conveying roll paper; a first detector including a first emitter and first photodetector; and a second detector including a second emitter and second photodetector. When driving the conveyance mechanism, the controller selectively controls the first emitter and first photodetector to emit, and drives a spindle based on signal output from the first detector when first emitter emits, and signal output from the second detector when second emitter emits.
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公开(公告)号：US11167573B2
公开(公告)日：2021-11-09
申请号：US16360798
申请日：2019-03-21
发明人： Masahiro Kawajiri
摘要： According to an aspect of the invention, a roll medium feeding shaft to be inserted into a through hole of a roll medium formed by winding a long recording medium is provided. The roll medium feeding shaft includes a holding member configured to be inserted into the through hole and to be rotated about a rotary axis together with the roll medium, a support part provided to one end of the roll medium feeding shaft and configured to support the holding member in a vertical direction when placed on a horizontal surface, and a shaft provided inside the holding member.
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