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1. 发明授权

US11959213B2 Bobbin winding device and sewing machine 有权
公开(公告)号：US11959213B2
公开(公告)日：2024-04-16
申请号：US17339470
申请日：2021-06-04
申请人： JANOME SEWING MACHINE CO., LTD.
发明人： Hiroki Shiratsuchi
IPC分类号： D05B57/26 , D05B59/04
CPC分类号： D05B57/26 , D05B59/04
摘要： In the large-diameter bobbin mode of the bobbin winding device, the switching lever is arranged at the switching position, and the interlocking lever is rotated to the blocking position blocking the lowering of the thread trimming holder at the raised position. Therefore, the small-diameter bobbin is arranged above the regular mounting position if it is mounted on the spool shaft. Thus, the engaging hook of the bobbin stopper does not engage with the upper end portion of the core portion of the small-diameter bobbin, and the engaging hook and the thread trimming holder do not sandwich the small-diameter bobbin vertically. Therefore, when the spool shaft is rotated by the spool motor in this state, the bobbin thread is not wound around the small-diameter bobbin since it idles with respect to the spool shaft.

2. 发明授权

US11447903B2 Sewing machine presser foot 有权
公开(公告)号：US11447903B2
公开(公告)日：2022-09-20
申请号：US17129287
申请日：2020-12-21
申请人： JANOME SEWING MACHINE Co., Ltd.
发明人： Koichi Honda , Yukitaka Omata
IPC分类号： D05B29/10
摘要： A sewing machine presser foot includes a support part having a support base member, and a roller part including a plurality of rotating members rotatably supported at the support base member and having different diameters so that the roller part is conical as a whole. Each of the plurality of rotating members individually rotates and presses a fabric to be sewn.

3. 外观设计

USD949932S1 Sewing machine 有权
公开(公告)号：USD949932S1
公开(公告)日：2022-04-26
申请号：US29699175
申请日：2019-07-23
申请人： JANOME SEWING MACHINE Co., Ltd.
设计人： Akihiro Izaki

4. 发明授权

US11305504B2 Method for calibrating electric press 有权
公开(公告)号：US11305504B2
公开(公告)日：2022-04-19
申请号：US16695189
申请日：2019-11-26
申请人： JANOME SEWING MACHINE CO., LTD.
发明人： Tadahiro Noguchi , Jun Nishizawa , Tadashi Matsushita , Kenichiro Hiruma
IPC分类号： B30B1/18 , B30B15/00 , B30B15/14
摘要： Disclosed herein are an electric press and a method for calibrating the electric press, which can implement a rapid calibration operation. An electric press (10) includes a ram location information storage unit (63) and a load control unit (64). The ram location information storage unit (63) stores ram location information, corresponding to actual load values and representing locations to which a ram is moved, in advance. The load control unit (64) applies an actual load, corresponding to at least one location which belongs to the locations represented by the ram location information and to which the ram is moved, to a compression target by moving the ram to the location. Accordingly, the load value output by the detection unit is calibrated based on the actual load value applied to the compression target.

5. 发明申请

US20210372020A1 FEED DOG MOUNTING/UNMOUNTING MECHANISM AND SEWING MACHINE 有权
公开(公告)号：US20210372020A1
公开(公告)日：2021-12-02
申请号：US17331702
申请日：2021-05-27
申请人： JANOME SEWING MACHINE CO., LTD.
发明人： Muneyuki ISHIKAWA , Norihiro SUZUKI
IPC分类号： D05B73/12 , D05B27/24
摘要： In feed dog mounting/unmounting mechanism, lever is slidably provided to feed base in the front-rear direction, and is forced backward by a lever force-applying spring. Upon sliding lever rearward, fixing target portion of feed dog 22 is fixedly held by base-side fixing portion of feed base and lever-side fixing portion of lever arranged in the front-rear direction. Stopper is provided to feed base so as to be movable in the upper-lower direction, and holds lever. When feed dog is mounted, stopper is pressed downward by feed dog, which moves stopper so as to allow lever to slide. With this, lever is slid due to force applied by the lever force-applying spring, thereby allowing fixing target portion to be held, interposed between base-side fixing portion and lever-side fixing portion.

6. 发明授权

US11149368B2 Sewing machine and recording medium 有权
公开(公告)号：US11149368B2
公开(公告)日：2021-10-19
申请号：US16684346
申请日：2019-11-14
申请人： JANOME SEWING MACHINE CO., LTD.
发明人： Haruka Nakamura , Kentaro Akahane , Hideo Suzuki , Ayako Harada
IPC分类号： D05B21/00 , D05B19/12
摘要： A sewing machine includes a feed amount setting part and a feed amount adjustment part. In the feed amount setting part, a forward feed amount for one stitch of forward stitching is set. In the feed amount adjustment part, the forward feed amount which is set by the feed amount setting part is compared with the maximum backward feed amount for one stitch of reverse stitching which is determined by a feed mechanism. Then, in the feed amount adjustment part, when the forward feed amount is larger than the maximum backward feed amount, the total amount of backward feed amounts for plural stitches of backward stitching is adjusted so as to coincide with the total amount of the forward feed amounts for one stitch or more of forward stitching.

7. 发明申请

US20210285139A1 COORDINATE DATA CREATING DEVICE AND SEWING MACHINE 有权
公开(公告)号：US20210285139A1
公开(公告)日：2021-09-16
申请号：US17156632
申请日：2021-01-25
申请人： JANOME SEWING MACHINE CO., LTD.
发明人： Takeshi KONGO , Hiromi ODA
IPC分类号： D05B19/08 , D05B19/10
摘要： The desired seams are formed while adding a hand-sewn taste to the sewing pattern without changing the tendency of the hand-sewn taste for the same pattern. A coordinate data storage unit for storing coordinate data which indicates a needle location of a pattern to be sewn, an addition value storage unit for storing an addition value which is added to each of the coordinate data, and an adjustment unit for adjusting the coordinate data or the addition value; and an added coordinate data creating unit for creating a new coordinate data where the pattern is deformed by adding the addition value adjusted by the adjustment unit to the coordinate data or by adding the addition value to the coordinate data adjusted by the adjustment unit or by adding the addition value adjusted by adjustment unit to the coordinate data adjusted by the adjustment unit are provided.

8. 发明申请

US20210269953A1 SEWING CONTROL DEVICE AND SEWING MACHINE 有权
公开(公告)号：US20210269953A1
公开(公告)日：2021-09-02
申请号：US17111241
申请日：2020-12-03
申请人： Janome Sewing Machine Co., Ltd.
发明人： Tatsuo Takei , Yoshitaka Bamba , Koji Maeda
IPC分类号： D05B69/30 , D05B3/04 , D05B21/00 , D05B27/00
摘要： A sewing control device includes in a sewing machine having upper feed function a control device which controls feed of an object to be sewn. A lower feed amount setting motor sets a feed amount of a lower feed dog and an upper feed amount change motor changes a feed amount of an upper feed dog. A feed execution range, in which the feed of the object to be sewn is executed by an appropriate feed amount while the object to be sewn is sandwiched between the lower feed dog and the upper feed dog, and a feed non-execution range, in which the feed of the object to be sewn is not executed in a state in which the feed dogs do not act on the object to be sewn, are present. The feed amount of the upper feed dog can be changed only in the feed non-execution range during sewing.

9. 发明授权

US11098424B2 Sewing machine 有权
公开(公告)号：US11098424B2
公开(公告)日：2021-08-24
申请号：US16506860
申请日：2019-07-09
申请人： JANOME SEWING MACHINE CO., LTD.
发明人： Toyohiro Azuma
IPC分类号： D05B29/00 , D05B27/06
摘要： A sewing machine includes: a presser spring depressing a presser bar; a presser main body fixed thereto, including a presser; a lower feed dog protruding further upward than a needle plate, to feed a sewing target rearward; an upper feed mechanism above the lower feed dog, that includes an upper feed dog behind a needle location and feeds the sewing target rearward via the upper and lower feed dogs; and a spring presser release mechanism relatively movably mounted on the presser bar, including a transmission member transmitting presser spring force to the presser bar, and operating when the lower contacts the upper feed dog, lifting the transmission member relative to the presser bar, to release the force applied thereto. The movement of the transmission member with respect to the presser bar during spring presser release mechanism operation matches a movement of the lower feed dog protruding from the needle plate.

10. 发明授权

US11047081B2 Overlock sewing machine 有权
公开(公告)号：US11047081B2
公开(公告)日：2021-06-29
申请号：US16901272
申请日：2020-06-15
申请人： JANOME SEWING MACHINE CO., LTD.
发明人： Takuya Sawada , Ushio Yokoyama , Eiichi Shomura
IPC分类号： D05B57/06 , D05B63/02 , D05B73/04
摘要： An overlock sewing machine includes: a looper cover detection member movable from non-switching to switching positions with looper cover open to closed state transition, with switching member operation switching the threading mechanism state to sewing-enabled after looper cover detection member movement to switching position; a side cover detection member movable from non-detection to detection positions with side cover open to closed state transition; and a lever coupled to the looper cover detection member and side cover detection member, switchable between states of pressing and not pressing the operating protrusion, following looper cover detection member and side cover detection member operating states. The lever is set to the pressing state upon movement of the looper cover detection member to switching position and of the side cover detection member to detection position.

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