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1. 发明授权

US09903056B2 Feed dog adjustment device and sewing machine including same 有权
公开(公告)号：US09903056B2
公开(公告)日：2018-02-27
申请号：US15132615
申请日：2016-04-19
申请人： Janome Sewing Machine Co., Ltd.
发明人： Mikio Koike , Yu Noji
IPC分类号： D05B27/08 , D05B27/24
CPC分类号： D05B27/08 , D05B27/24
摘要： The feed dog adjustment device, includes a feed rock shaft rotatably attached to a sewing machine frame with an eccentric shaft provided at an eccentric position with respect to a center, a feed rock shaft crank that slides about the feed rock shaft, a feed bar rotatably attached to the feed rock shaft crank, a feed dog provided on the feed bar, an actuator for inclination adjustment that rotates the eccentric shaft, and a controller that drives the actuator for inclination adjustment to adjust an inclination of the feed dog on a basis of data related to a type and stretchability of fabric.

2. 发明授权

US09238883B2 Horizontal rotary hook of sewing machine 有权
标题翻译：缝纫机水平旋梭
公开(公告)号：US09238883B2
公开(公告)日：2016-01-19
申请号：US14550832
申请日：2014-11-21
申请人： JANOME SEWING MACHINE Co., Ltd.
发明人： Mikio Koike , Yasuhiro Osanai , Yasuhiko Komiya
IPC分类号： D05B57/20 , D05B57/26 , D05B57/14
CPC分类号： D05B57/143 , D05B57/20 , D05B57/26
摘要： Provided is a horizontal rotary hook for a sewing machine including: an inner rotary hook including an attracted member made of metal in an outer lower surface portion; a permanent magnet that attracts the inner rotary hook; a magnet plate that accommodates the permanent magnet and is provided with a shaft hole for mounting at a center of a diameter thereof; a non-metallic outer rotary hook that accommodates the magnet plate and has a shaft hole at a center of a diameter of an inner bottom portion thereof; and a hook supporting shaft that is inserted through the shaft hole of the magnet plate and the shaft hole of the outer rotary hook, and that includes, at an upper end thereof, a flange for rotatably supporting the outer rotary hook and the magnet plate. A rotation stopper for the magnet plate is disposed to be positioned more inward than an outer circumference edge of the permanent magnet placed in the magnet plate.
摘要翻译：本发明提供一种缝纫机的水平旋梭，其特征在于，包括：内旋转钩，其包括在外下表面部分由金属制成的吸引构件; 吸引内旋转钩的永磁体; 容纳永磁体的磁板，并且设置有用于安装在其直径的中心的轴孔; 容纳磁板的非金属外旋转钩，其内底部的直径的中心具有轴孔; 以及钩状支撑轴，其通过所述磁盘的轴孔和所述外旋转钩的轴孔插入，并且在其上端包括用于可旋转地支撑所述外旋转钩和所述磁体板的凸缘。用于磁板的旋转止动器设置成比设置在磁体板中的永磁体的外周边缘更靠内侧。

3. 发明申请

US20150308024A1 Horizontal Rotary Hook of Sewing Machine 有权
标题翻译：缝纫机卧式旋转钩
公开(公告)号：US20150308024A1
公开(公告)日：2015-10-29
申请号：US14550832
申请日：2014-11-21
申请人： JANOME SEWING MACHINE Co., Ltd.
发明人： Mikio Koike , Yasuhiro Osanai , Yasuhiko Komiya
IPC分类号： D05B57/14 , D05B57/20
CPC分类号： D05B57/143 , D05B57/20 , D05B57/26
摘要： Provided is a horizontal rotary hook for a sewing machine including: an inner rotary hook including an attracted member made of metal in an outer lower surface portion; a permanent magnet that attracts the inner rotary hook; a magnet plate that accommodates the permanent magnet and is provided with a shaft hole for mounting at a center of a diameter thereof; a non-metallic outer rotary hook that accommodates the magnet plate and has a shaft hole at a center of a diameter of an inner bottom portion thereof; and a hook supporting shaft that is inserted through the shaft hole of the magnet plate and the shaft hole of the outer rotary hook, and that includes, at an upper end thereof, a flange for rotatably supporting the outer rotary hook and the magnet plate. A rotation stopper for the magnet plate is disposed to be positioned more inward than an outer circumference edge of the permanent magnet placed in the magnet plate.
摘要翻译：本发明提供一种缝纫机的水平旋梭，其特征在于，包括：内旋转钩，其包括在外下表面部分由金属制成的吸引构件; 吸引内旋转钩的永磁体; 容纳永磁体的磁板，并且设置有用于安装在其直径的中心的轴孔; 容纳磁板的非金属外旋转钩，其内底部的直径的中心具有轴孔; 以及钩状支撑轴，其通过所述磁盘的轴孔和所述外旋转钩的轴孔插入，并且在其上端包括用于可旋转地支撑所述外旋转钩和所述磁体板的凸缘。用于磁板的旋转止动器设置成比设置在磁体板中的永磁体的外周边缘更靠内侧。

4. 发明授权

US10174449B2 Sewing machine 有权
公开(公告)号：US10174449B2
公开(公告)日：2019-01-08
申请号：US15009293
申请日：2016-01-28
申请人： JANOME SEWING MACHINE CO., LTD.
发明人： Mikio Koike , Jun Mafune
IPC分类号： D05B29/02 , D05B19/16
摘要： A sewing machine moves a presser foot up and down through a presser-bar lifting lever to depress a cloth. The lever is moved down by a stepping motor at a constant move-down amount. A compression spring is present between the stepping motor and the presser foot. The compression spring is compressed by some of the constant move-down amount of the lever, and applies, to the presser foot, pushing force canceling repulsive force from the depressed cloth. The move-down amount of the presser foot is detected by an encoder, and a thickness of the cloth is calculated by a cloth-thickness calculator. The cloth-thickness calculator performs calculation based on the move-down amounts at two timings in a time period at which the presser foot depresses the cloth and attempts to further move down.

5. 发明授权

US09670608B2 Sewing machine 有权
公开(公告)号：US09670608B2
公开(公告)日：2017-06-06
申请号：US14845654
申请日：2015-09-04
申请人： JANOME SEWING MACHINE CO., LTD.
发明人： Makoto Nakajima , Mikio Koike
IPC分类号： D05B27/02 , D05B69/02
CPC分类号： D05B27/02 , D05B69/02 , D05D2209/16
摘要： A sewing machine includes an upper shaft rotatable so as to drive a needle bar, a lower shaft rotatable so as to drive a feed dog, an upper-shaft pulley provided for the upper shaft, a lower-shaft pulley provided for the lower shaft, a belt linking the upper-shaft pulley with the lower-shaft pulley to synchronize respective rotations, and a belt adjusting mechanism contacting the belt and changing a belt length at a tensioned side of the belt where the belt is drawn in.

6. 发明授权

US09845559B2 Sewing machine 有权
公开(公告)号：US09845559B2
公开(公告)日：2017-12-19
申请号：US15008575
申请日：2016-01-28
申请人： JANOME SEWING MACHINE CO., LTD.
发明人： Mikio Koike , Jun Mafune
IPC分类号： D05B29/02 , D05B19/12 , D05B19/16 , D05C9/06 , D05B69/28
CPC分类号： D05B29/02 , D05B19/12 , D05B19/16 , D05B69/28 , D05C9/06
摘要： A sewing machine translates a stitchwork frame with which a cloth is fastened along a direction of a plane where the cloth is fastened based on stitchwork data to form a stitchwork pattern. A presser foot located above the cloth has a height changed by an actuator like a stepping motor in accordance with the advancement of a stitchwork formation. Hence, a predetermined clearance between the cloth and the presser foot is maintained.

7. 发明申请

US20170121878A1 FEED DOG ADJUSTMENT DEVICE AND SEWING MACHINE INCLUDING SAME 有权
公开(公告)号：US20170121878A1
公开(公告)日：2017-05-04
申请号：US15132615
申请日：2016-04-19
申请人： Janome Sewing Machine Co., Ltd.
发明人： Mikio Koike , Yu Noji
IPC分类号： D05B27/08
CPC分类号： D05B27/08 , D05B27/24
摘要： The feed dog adjustment device, includes a feed rock shaft, rotatably attached to a sewing machine frame with an eccentric shaft provided at an eccentric position with respect, to a center, a feed rock shaft crank that, slides about the feed rock shaft, a feed bar rotatably attached to the feed rock shaft, crank, a feed dog provided on the feed bar, an actuator for inclination adjustment that rotates the eccentric shaft, and a controller that drives the actuator for inclination adjustment to adjust an inclination of the feed dog on a basis of data related to a type and stretchability of fabric.

8. 发明授权

US09822472B2 Sewing machine including needle bar turning apparatus 有权
公开(公告)号：US09822472B2
公开(公告)日：2017-11-21
申请号：US15138275
申请日：2016-04-26
申请人： Janome Sewing Machine Co., Ltd.
发明人： Makoto Nakajima , Mikio Koike , Yu Noji
IPC分类号： D05B3/02 , D05B55/14
CPC分类号： D05B3/02 , D05B55/14
摘要： A sewing machine includes a needle bar turning apparatus. The apparatus includes: a needle bar holder swingably held with a fulcrum point as the center of rotation; a swing rod connected to the needle bar holder to transmit a driving force that swings the needle bar holder; a needle bar held by the needle bar holder, which is slidable along the axis and turnable with the axis as the center of rotation, and swingable together with the needle bar holder; a coupling member fixed to the needle bar such that it extends in a direction orthogonal to the needle bar; a guide shaft that extends along the needle bar; and a guide shaft connecting bracket fitted to the coupling member and the guide shaft such that it is movable relative to the coupling member in the coupling member extending direction, and turnable relative to the coupling member with a vertical line extending in the extending direction as the center of rotation.

9. 发明授权

US09605366B2 Sewing machine 有权
公开(公告)号：US09605366B2
公开(公告)日：2017-03-28
申请号：US14556836
申请日：2014-12-01
申请人： JANOME SEWING MACHINE CO., LTD.
发明人： Mikio Koike , Jun Mafune
IPC分类号： D05B57/32 , D05B57/34 , D05B57/36 , D05B69/12 , D05B3/02
CPC分类号： D05B57/32 , D05B3/02 , D05B57/34 , D05B57/36 , D05B69/12
摘要： A sewing machine includes an upper shaft rotatable so as to drive a needle bar, a lower shaft rotatable so as to drive a hook, an upper-shaft pulley attached to the upper shaft, a lower-shaft pulley attached to the lower shaft, a belt linking the upper-shaft pulley and the lower-shaft pulley, and synchronizing a rotation of the upper-shaft pulley and a rotation of the lower-shaft pulley with each other, a belt adjusting mechanism contacting the belt and changing a belt length at a tensioned side at which the belt is drawn, and a tensioner tensioning the belt in accordance with the change in the belt length of the belt at the tensioned side.

10. 发明授权

US10081895B2 Horizontal rotary hook of sewing machine 有权
公开(公告)号：US10081895B2
公开(公告)日：2018-09-25
申请号：US14522468
申请日：2014-10-23
申请人： JANOME SEWING MACHINE Co., Ltd.
发明人： Mikio Koike , Yasuhiro Osanai , Yasuhiko Komiya
IPC分类号： D05B57/14 , D05B57/20 , D05B57/26
CPC分类号： D05B57/143 , D05B57/20 , D05B57/26
摘要： Provided is a horizontal rotary hook including: an inner rotary hook including an attracted member made of metal in an outer lower surface portion; a permanent magnet that attracts the inner rotary hook; a magnet plate accommodating the permanent magnet and provided with a mounting hole at a center of a diameter thereof; a non-metallic outer rotary hook accommodating the magnet plate and having a shaft hole at a center of a diameter of an inner bottom portion thereof; and a hook supporting shaft that is inserted through the hole of the magnet plate and the shaft hole of the outer rotary hook and includes, at an upper end thereof, a flange for rotatably supporting the outer rotary hook and the magnet plate. A friction coefficient of a contact surface of the magnet plate that comes into contact with the outer rotary hook is set to be larger than a friction coefficient of the flange of the hook supporting shaft.

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