公开(公告)号：US11772350B2

公开(公告)日：2023-10-03

申请号：US16960087

申请日：2018-08-24

Applicant: JANOME SEWING MACHINE CO., LTD.

Inventor： Kenichiro Hiruma

IPC: B30B15/26 ,  G01L5/00 ,  B30B15/14 ,  B30B15/28 ,  G05B19/4062

CPC classification number: B30B15/26 ,  B30B15/148 ,  B30B15/281 ,  G01L5/0038 ,  G05B19/4062 ,  G05B2219/39112

Abstract: Press-fitting work is evaluated by appropriately determining a load when sliding occurs. A load-drop determination unit determines whether or not a load value detected by a load detecting unit exceeds a load-drop determination value decided based on a moving average value and a dispersion average value stored in a storage unit. A data substitution unit substitutes the load value which is determined to exceed the load-drop determination value in the load-drop determination unit with a predetermined value.

公开(公告)号：US11639570B2

公开(公告)日：2023-05-02

申请号：US17055374

申请日：2019-06-13

Applicant: JANOME SEWING MACHINE Co., Ltd.

Inventor： Toyohiro Azuma ,  Takuya Sawada ,  Koji Maeda

IPC: D05B87/02

Abstract: [Purpose] To obtain a sewing machine comprising a device with which it is possible to easily perform a threading operation in which a needle thread is inserted into the needle hole of the sewing machine needle, wherein the sewing machine comprises a threading device configured so that the needle thread does not drop onto or coil around an operation part (operation part) of the operation lever of the threading device when a thread-hooking operation is completed before insertion of the needle thread. [Configuration] The present invention comprises: a needle bar 52; a threading shaft 53; a thread-holding tool 71; a threading tool 72 provided at the bottom end of the threading shaft 53; an operation lever 4 that has an operation part 41 and moves the threading shaft 53 up and down and rotates the threading shaft in the circumferential direction; and a cutting tool 93 for the needle thread n. The present invention is configured such that a needle thread guide member A, in which an inclined part 1 is formed that guides the needle thread n from the thread-holding tool 71 to the cutting tool 93, is provided between the thread-holding tool 71 and the cutting tool 93, and the inclined part of the needle thread guide member A guides the needle thread n that has been cut by the cutting tool out of the operation range of the operation lever 4.

公开(公告)号：US11504933B2

公开(公告)日：2022-11-22

申请号：US17175899

申请日：2021-02-15

Applicant: JANOME SEWING MACHINE CO., LTD.

Inventor： Yosuke Yamamoto

IPC: B30B15/26 ,  G05B19/06 ,  B30B15/14

Abstract: A pressing apparatus 1 includes a storage 27 that stores a plurality of actual data which are load data which was actually measured and which are configured of a first information and a second information, and a plurality of reference data which is a reference for the load data, an adjustor 23 that expands and contracts the first information of at least one of an actual data pattern which is based on the plurality of the actual data stored in the storage 27 and an reference data pattern based on the plurality of the reference data stored in the storage 27 to correspond with each other, and a determiner 24 that determines appropriateness of a load applied to the ram 9 in a pressing operation based on a similarity of the actual data pattern adjusted by the adjustor 23 and the reference data pattern adjusted by the adjustor 23.

公开(公告)号：US11377767B2

公开(公告)日：2022-07-05

申请号：US17331702

申请日：2021-05-27

Applicant: JANOME SEWING MACHINE CO., LTD.

Inventor： Muneyuki Ishikawa ,  Norihiro Suzuki

IPC: D05B73/12 ,  D05B27/24

Abstract: 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.

公开(公告)号：US20220127769A1

公开(公告)日：2022-04-28

申请号：US17494108

申请日：2021-10-05

Applicant: JANOME SEWING MACHINE CO., LTD.

Inventor： Syuichi SATO ,  Jun MAFUNE

IPC: D05B3/02 ,  D05B57/36

Abstract: A sewing machine according to the present invention includes: an upper shaft that drives a needle and a balance; a lower shaft that drives a hook and a feed dog; an upper and lower shaft belt that synchronizes rotation of the upper shaft with rotation of the lower shaft; and an idler unit that pushes an idler into the upper and lower shaft belt to change a tension side belt length, in which the idler unit includes a transmission mechanism connected to the upper shaft or the lower shaft, and a rotating body mechanism provided with the idler and having a rotating body that rotates in synchronization with the upper shaft or the lower shaft by the transmission mechanism, and a pushing amount of the idler into the upper and lower shaft belt is changed according to rotation of the rotating body.

公开(公告)号：USD949212S1

公开(公告)日：2022-04-19

申请号：US29707449

申请日：2019-09-27

Applicant: JANOME SEWING MACHINE Co., Ltd.

Designer： Kiyomi Kawaguchi

公开(公告)号：US20220112640A1

公开(公告)日：2022-04-14

申请号：US17487577

申请日：2021-09-28

Applicant: JANOME SEWING MACHINE CO., LTD.

Inventor： Kiri MORIMOTO

IPC: D05B19/12 ,  D05C13/02 ,  G05B19/042

Abstract: A sewing machine includes: a pattern data acquisition unit that acquires pattern data in which information on an object corresponding to a unit from a sewing start point to a ravel preventing point or a thread trimming point and information related to a required bobbin thread amount required for sewing the object are associated with each other and registered; a bobbin thread remaining amount acquisition unit that acquires a bobbin thread remaining amount; a determination unit that determines whether or not the object is sewable, based on a difference between a required bobbin thread amount of the object according to the pattern data and the bobbin thread remaining amount; and a decision unit that, based on a determination result of the determination unit, decides whether or not the object is set as a sewing target.

公开(公告)号：US20210301441A1

公开(公告)日：2021-09-30

申请号：US17129287

申请日：2020-12-21

Applicant: JANOME SEWING MACHINE Co., Ltd.

Inventor： Koichi HONDA ,  Yukitaka OMATA

IPC: D05B29/10

Abstract: 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.

公开(公告)号：US20210268761A1

公开(公告)日：2021-09-02

申请号：US17175899

申请日：2021-02-15

Applicant: JANOME SEWING MACHINE CO., LTD.

Inventor： Yosuke YAMAMOTO

IPC: B30B15/14 ,  B30B15/26

Abstract: A pressing apparatus 1 includes a storage 27 that stores a plurality of actual data which are load data which was actually measured and which are configured of a first information and a second information, and a plurality of reference data which is a reference for the load data, an adjustor 23 that expands and contracts the first information of at least one of an actual data pattern which is based on the plurality of the actual data stored in the storage 27 and an reference data pattern based on the plurality of the reference data stored in the storage 27 to correspond with each other, and a determiner 24 that determines appropriateness of a load applied to the ram 9 in a pressing operation based on a similarity of the actual data pattern adjusted by the adjustor 23 and the reference data pattern adjusted by the adjustor 23.

公开(公告)号：US20210246588A1

公开(公告)日：2021-08-12

申请号：US16951731

申请日：2020-11-18

Applicant: JANOME SEWING MACHINE CO., LTD.

Inventor： Yumiko KAMBARA ,  Yoshitaka BAMBA ,  Jun MAFUNE

IPC: D05B73/12 ,  D05B37/04

Abstract: In a needle plate, a needle plate hole is configured to include a hole-side cutting side that cuts a cutting target object together with a blade portion, and a relief side that allows a cut portion of the cutting target object to escape. Specifically, the needle plate hole has the hole-side cutting side that shears the cutting target object together with a blade-side cutting side of the blade portion, and the relief side that forms a gap between the blade portion to be inserted and the relief side. In this manner, in the former stage of cutting processing, the cutting target object can be cut by the hole-side cutting side and the blade-side cutting side.