Patents Assigned to Juki Corporation
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Publication number: 20220186417Abstract: A pick-up device picking up stacked sheet-shaped workpieces from the top, the device includes a nozzle mechanism that includes a pick-up nozzle pulling up a first workpiece from the top of the stacked workpieces by air blowing, and a holding mechanism that holds the first workpiece from the top. The pick-up nozzle includes a ventilation groove provided on a bottom surface opposite to an upper surface of the first workpiece from the top and passing through to an air blowing side end part of the bottom surface, and a nozzle port blowing air toward the air blowing side end part of the bottom surface along the inside of the ventilation groove, and the air blowing side end part of a groove inner bottom surface of the ventilation groove is formed in a shape directed in a direction of being separated from the workpiece.Type: ApplicationFiled: December 1, 2021Publication date: June 16, 2022Applicant: JUKI CORPORATIONInventors: Yuuki UEHARA, Takeshi MARUYAMA
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Publication number: 20220185600Abstract: A pick-up device picking up stacked sheet-shaped workpieces from the top, the device includes a nozzle mechanism that pulls up a first workpiece from the top of the stacked workpieces by air blowing, a holding mechanism that holds the first workpiece, a separation mechanism that includes a claw member being inserted into a lower side of the first workpiece with respect to the stacked workpieces, and a forward and backward drive unit causing a tip part of the claw member to move forward and backward, a suction mechanism that pulls up the first workpiece, a control device that controls the above four mechanisms, and a selection unit that selects one or more combinations of the nozzle mechanism, the separation mechanism, and the suction mechanism. The control device controls an operation for picking up the stacked workpieces from the top according to the selection of the selection unit.Type: ApplicationFiled: December 1, 2021Publication date: June 16, 2022Applicant: JUKI CORPORATIONInventors: Takeshi MARUYAMA, Yuuki UEHARA
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Patent number: 11317683Abstract: A method for sewing a slide fastener includes forming end edge portion needle drop points in at least two positions, within an overlapped portion in which the work piece is folded, within a range more toward a tip side of an end edge portion of the work piece than half of an overlapped width, and within a range on an inner side of a width of a leg portion of an interlocking element. Sewing is performed with sewing thread passing from a head portion needle drop point to the end edge portion needle drop point of one end portion and sewing thread passing from the end edge portion needle drop point of another end portion to the head portion needle drop point of an adjacent interlocking element each passing either side of the leg portion.Type: GrantFiled: October 5, 2018Date of Patent: May 3, 2022Assignees: JUKI CORPORATION, YKK CORPORATIONInventors: Ichirou Suzuki, Wataru Kawaguchi
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Patent number: 11299831Abstract: A sewing system which includes a detector for detecting an edge of a cloth installed on an installation table, a cloth conveyor for conveying the cloth from the installation table to a sewing machine, and a controller, wherein the cloth conveyor includes a holding member that holds the cloth, and the controller includes a holding position decision portion that determines a holding position of the cloth based on detection data of the detector, and a conveyance control portion that controls the cloth conveyor such that the holding member holds the holding position. In the sewing system according to the above, it is possible to prevent deterioration in productivity of sewn products.Type: GrantFiled: June 5, 2019Date of Patent: April 12, 2022Assignee: JUKI CORPORATIONInventors: Koji Hiraoka, Takeshi Asami
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Patent number: 11286597Abstract: A sewing machine is disclosed. The sewing machine includes a holding member configured to be movable while holding a workpiece within a predetermined plane including a sewing position immediately below a needle, an actuator configured to move the holding member, an imaging device configured to be capable of capturing the workpiece, a sewing data acquisition unit configured to acquire sewing data including a sewing order to be referred to in sewing processing, and an imaging position setting unit configured to output a control signal to the actuator so that a plurality of feature patterns of the workpiece are sequentially disposed in an imaging region of the imaging device based upon the sewing data.Type: GrantFiled: June 18, 2019Date of Patent: March 29, 2022Assignee: JUKI CORPORATIONInventors: Kazunori Yamada, Kimihiro Yokose, Kouichi Kondou, Takahiro Sano
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Patent number: 11286598Abstract: A lower thread supply device of a sewing machine includes a bobbin, a bobbin case, a magnetic force member, and a magnetic force change portion. The bobbin has a cylindrical portion for inserting into a spindle of a shuttle, a shuttle side flange portion, and a front surface side flange portion which is magnetic, and a lower thread is wound around an outer circumference of the cylindrical portion between the shuttle side flange portion and the front surface side flange portion. The bobbin case has a non-magnetic cover portion having a front surface side part and a side wall part, housing the bobbin and transmitting a magnetic force. The magnetic force member is arranged at the front surface side of the bobbin case and attracts the front surface side flange portion of the bobbin by a magnetic force via the bobbin case.Type: GrantFiled: March 15, 2020Date of Patent: March 29, 2022Assignees: JUKI CORPORATION, TOWA JAPAN CorporationInventors: Takeshi Asami, Jun Wakatabe, Kazuyuki Yada
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Patent number: 11268222Abstract: Provided is a sewing machine in which a stitching needle and a holding frame holding an article to be sewn are positioned relative to each other based on sewing pattern data defining a plurality of needle drop positions, and sewing is performed in accordance with a sewing pattern. The sewing machine includes: an imager for capturing an image of the holding frame; a position detector for detecting, from the image captured by the imager, the position of an indicator indicating a reference position marked in an object to be imaged; and a corrector which, based on a deviation of a detected position of the indicator detected by the position detector with respect to a regular position defined in advance for the indicator, corrects a plurality of needle drop positions defined in the sewing pattern data.Type: GrantFiled: February 21, 2020Date of Patent: March 8, 2022Assignee: JUKI CORPORATIONInventor: Hiroyuki Tanaka
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Patent number: 11257020Abstract: A sewing management system includes a sewing device that transmits a production management information including an identification information of an operator and an operation information of a device main body; and a management device that manages the production management information by a process unit of a product sewn in a sewing line or a component forming the product.Type: GrantFiled: March 31, 2020Date of Patent: February 22, 2022Assignee: JUKI CORPORATIONInventor: Tadashi Atsumi
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Publication number: 20220051452Abstract: A sewing apparatus, includes a display input unit including a display unit configured to display an image of an input screen, and an input detection unit configured to detect an input operation on the input screen; and a control apparatus that performs display control of the display unit in response to the input operation. The control apparatus performs display control in which a background of the input screen is set to a dark color as a whole, a sewing pattern image displayed on the input screen is set to brightness higher than that of the background, and an operation unit that receives the input operation on the input screen is set to a color lighter than that of the background.Type: ApplicationFiled: August 9, 2021Publication date: February 17, 2022Applicant: JUKI CORPORATIONInventors: Yuuko TAKEMOTO, Shigemi YAMAMOTO, Shuichi SAITO
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Patent number: 11219148Abstract: A production system includes: a substrate counter configured to count the number of substrates existing in a production line including a mounting device; a mark pattern acquisition unit configured to acquire a mark pattern indicating a pattern of a mark that is provided to each of the plurality of substrates counted by the substrate counter; a determination unit configured to determine whether the respective mark patterns of the plurality of substrates acquired by the mark pattern acquisition unit are the same as each other; and a detection controller configured to control a detection process of the mark pattern by the mounting device based upon a determination result of the determination unit.Type: GrantFiled: March 20, 2020Date of Patent: January 4, 2022Assignee: JUKI CORPORATIONInventor: Hiroyuki Koga
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Patent number: 11150085Abstract: An aspect of the present invention is a sewing system which includes a sewing machine that sews a workpiece, and a three-dimensional measurement device that measures a three-dimensional shape of the workpiece. According to an aspect of the present invention, it is possible to appropriately implement quality control of a product produced by sewing.Type: GrantFiled: May 17, 2019Date of Patent: October 19, 2021Assignee: JUKI CORPORATIONInventor: Toshiyuki Takeda
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Patent number: 11136701Abstract: A needle bar mechanism includes a needle bar connecting stud, two needle bars, needle bar clutches, clutch levers, needle bar clutch stoppers, and deactivating members provided two by two at the stud; a slider configured to selectively collide with one clutch lever and one deactivating member at the time of lifting of the stud; and an interlocking mechanism configured to interlock the deactivating members such that the deactivating members move opposite to each other in an upper-to-lower direction. According to the needle bar mechanism, the slider comes, at the time of lifting of the stud, into collision with the clutch lever and the deactivating member, so that one needle bar clutch can be switched from a holding state to a release state by the stud while the other needle bar clutch is switched from the release state to the holding state by the stud.Type: GrantFiled: September 12, 2019Date of Patent: October 5, 2021Assignee: JUKI CORPORATIONInventors: Nguyen Ngoc Tan, Nguyen Le Truong
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Publication number: 20210301440Abstract: The operation information acquisition device includes the external detection device which is provided on the outer side of the main body frame of the sewing machine and detects the state change of the operating member that performs the periodic operation at the same cycle as the up-down movement operation of the sewing needle, the operation information acquisition device acquires operation information based on detection result of the external detection device. The operation information acquisition device can acquire the operation information such as the “number of stitches”, the “operating hours”, the “sewing speed”, and the “number of times of thread cutting”.Type: ApplicationFiled: March 25, 2021Publication date: September 30, 2021Applicant: JUKI CORPORATIONInventors: Kazuyuki ISHIHARA, Keiji WADA
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Publication number: 20210232127Abstract: The sewing management system includes a sewing machine that performs sewing on a sewing line, a management server that manages various information on the sewing line, and a wearable terminal that detects physical condition management information of an operator on the sewing line. The sewing machine transmits production management information, including identification information of the operator who perform sewing operations on the sewing line and operation information of the main unit of the device, to the management server. The management server estimates a sewing skill of the operator based on the production management information and estimates the production capacity of the operator based on the physical condition management information.Type: ApplicationFiled: January 27, 2021Publication date: July 29, 2021Applicant: JUKI CORPORATIONInventor: Tadashi ATSUMI
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Patent number: 11066767Abstract: A sewing machine includes: a needle vertical movement mechanism which moves a sewing needle; a moving mechanism which holds a workpiece by a holding frame; an inner presser-foot device which moves an inner presser foot on an upper side of the workpiece held by the holding frame; a control device which controls the moving mechanism based on sewing data in which stitch positions are defined in order in a series of sewing; and a height detector which detects a height of the inner presser foot. The control device lowers the inner presser foot to an upper surface of the workpiece held by the holding frame, detects the height of the inner presser foot by the height detector, and determines suitability of a thickness of the workpiece, at one or plural stitch positions defined in the sewing data before starting the sewing in accordance with the sewing data.Type: GrantFiled: May 20, 2019Date of Patent: July 20, 2021Assignee: JUKI CORPORATIONInventors: Mitsuhiro Tachikawa, Ngoc Khanh Ho, Masahiko Okamura
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Publication number: 20210172884Abstract: An inspection device includes an image acquisition unit configured to acquire images obtained by imaging, under at least two illumination conditions with different brightness, solder normally printed on a substrate, and an image processing unit configured to specify a shape of the solder based on a difference in brightness between the images acquired by the image acquisition unit, and generate, based on the shape of the solder, inspection data used for inspecting a state of the solder printed on the substrate.Type: ApplicationFiled: December 1, 2020Publication date: June 10, 2021Applicant: JUKI CORPORATIONInventor: Yasuyuki NURIYA
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Publication number: 20210153609Abstract: A method for sewing a slide fastener includes forming end edge portion needle drop points in at least two positions, within an overlapped portion in which the work piece is folded, within a range more toward a tip side of an end edge portion of the work piece than half of an overlapped width, and within a range on an inner side of a width of a leg portion of an interlocking element. Sewing is performed with sewing thread passing from a head portion needle drop point to the end edge portion needle drop point of one end portion and sewing thread passing from the end edge portion needle drop point of another end portion to the head portion needle drop point of an adjacent interlocking element each passing either side of the leg portion.Type: ApplicationFiled: October 5, 2018Publication date: May 27, 2021Applicants: JUKI CORPORATION, YKK CORPORATIONInventors: Ichirou SUZUKI, Wataru KAWAGUCHI
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Publication number: 20210145100Abstract: In a hair feeding device configured to perform a feeding operation for pulling out flocking hairs one by one from a bundle of flocking hairs, the device includes: a head for capturing hair ends of the flocking hairs; a conveyance mechanism configured to convey the head; and a control device that controls an operation control of the feeding operation, in which the head includes a nozzle that suctions the hair ends of the flocking hairs, a gripping member that grips the flocking hair suctioned by the nozzle, and an actuator that gives a gripping pressure to the gripping member.Type: ApplicationFiled: November 13, 2020Publication date: May 20, 2021Applicants: JUKI CORPORATION, ARTNATURE INC.Inventors: Jiro OBAMA, Hideki IIJIMA, Toru ICHITA, Honoka IIMURA
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Publication number: 20210145099Abstract: A hair feeding device configured to perform a feeding operation for pulling out flocking hairs one by one from a bundle of flocking hairs, the device includes a feeder configured to hold the bundle of flocking hairs and separates hair ends of a plurality of the flocking hairs in a direction different from that of the bundle, a detector configured to detect three-dimensional positions of the separated hair ends of the plurality of flocking hairs, a head for capturing the hair ends of the flocking hairs, a conveyance mechanism configured to convey the head to any three-dimensional position, and a control device that controls the conveyance mechanism so that the head captures the hair ends of the flocking hairs at three-dimensional positions of the hair ends of one flocking hair among the plurality of hairs detected by the detector.Type: ApplicationFiled: November 13, 2020Publication date: May 20, 2021Applicants: JUKI CORPORATION, ARTNATURE INC.Inventors: Jiro OBAMA, Hideki IIJIMA, Toru ICHITA, Honoka IIMURA
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Publication number: 20210145101Abstract: In a hair feeding device configured to perform a feeding operation for pulling out flocking hairs one by one from a bundle of flocking hairs, the device includes: a feeder configured to hold the bundle of flocking hairs and separates hair ends of a plurality of the flocking hairs in a direction different from that of the bundle; a head configured to hold the hair ends of the flocking hairs; a conveyance mechanism configured to convey the head; and a control device configured to perform an operation control of the feeding operation, and the feeder includes a bundle holder configured to hold the bundle of flocking hairs, and a separator configured to separate a plurality of the flocking hairs from the bundle of flocking hairs held by the bundle holder in a state where the hair ends are oriented in a direction different from that of the bundle.Type: ApplicationFiled: November 13, 2020Publication date: May 20, 2021Applicants: JUKI CORPORATION, ARTNATURE INC.Inventors: Jiro OBAMA, Hideki IIJIMA, Toru ICHITA, Honoka IIMURA