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1. 发明授权

US5573192A Thread tensioning device for a sewing machine 失效
标题翻译：缝纫机用线张紧装置
公开(公告)号：US5573192A
公开(公告)日：1996-11-12
申请号：US515258
申请日：1995-08-15
申请人： Hsien-Chang Tseng
发明人： Hsien-Chang Tseng
IPC分类号： D05B47/02 , B65H59/22
CPC分类号： D05B47/02
摘要： A thread tensioning device for a sewing machine includes two plates engaged on a shaft and a spring for biasing the plates toward each other in order to clamp a thread. The plates each includes a thread receiving portion and each includes another portion opposite to the thread receiving portion. A projection is engaged between the opposite portions so as to separate the opposite portions away from each other and so as to form a closely contacted outer peripheral portion in the thread receiving portions, and in order to force the thread toward the shaft.
摘要翻译：用于缝纫机的线张紧装置包括两个接合在轴上的板和用于将板彼此偏压以便夹紧螺纹的弹簧。板各自包括螺纹接收部分，并且每个板包括与螺纹接收部分相对的另一部分。在相对部分之间接合突起，以将相对部分彼此分开，以便在螺纹接纳部分中形成紧密接触的外周部分，以便将螺纹推向轴。

2. 发明授权

US5211122A Thread tension device for a sewing machine 失效
标题翻译：缝纫机线张力装置
公开(公告)号：US5211122A
公开(公告)日：1993-05-18
申请号：US913350
申请日：1992-07-15
申请人： Horng-Ji Lin
发明人： Horng-Ji Lin
IPC分类号： D05B47/02
CPC分类号： D05B47/02
摘要： A thread tension device including a plate fixed on a sewing machine, a bolt rotatably engaged in the plate, a pin engaged on the plate, a dial rotatably engaged on the bolt and having a number of holes for engagement with the pin, a pair of levers extended from the plate, a pair of discs engaged between the plate and the dial for clamping a thread, a follower threadedly engaged on the bolt and having two notches engaged with the levers, a spring biasing the discs together, whereby, the follower is rotatable by the dial when the dial is pushed inwards of the knob.
摘要翻译：一种线张力装置，包括固定在缝纫机上的板，可旋转地接合在板中的螺栓，接合在板上的销，可旋转地接合在螺栓上并具有多个用于与销接合的孔的表盘，一对从板延伸的杠杆，一对盘，其接合在板和表盘之间用于夹紧螺纹，螺纹接合在螺栓上并具有与杆接合的两个切口的从动件，弹簧将盘偏压在一起，由此从动件当表盘向内推动旋钮时，可以通过表盘旋转。

3. 发明授权

US4793273A Automatic thread tension device for a sewing machine 失效
标题翻译：缝纫机自动线张力装置
公开(公告)号：US4793273A
公开(公告)日：1988-12-27
申请号：US27490
申请日：1987-03-17
申请人： Kazumasa Hara , Akiyoshi Sasano , Mikio Koike
发明人： Kazumasa Hara , Akiyoshi Sasano , Mikio Koike
IPC分类号： D05B47/02 , D05B47/04 , D05B47/06 , D05B51/00 , D05B59/02 , D05B63/00
CPC分类号： D05B51/00 , D05B47/04 , D05B47/06 , D05B59/02
摘要： An automatic thread tensioning device for positioning the crossing points of upper and lower threads in the center of thickness of a fabric undergoing stitching. The positioning is effected by making calculations based on measured results of thread tension, without needing to detect the various kinds of characteristics of fabrics, threads, or lower thread tension responding to an existing type of stitching condition. The proper upper thread tension may be determined for the stitching conditions of fabrics which have different characteristics and for stitching conditions of fabrics which have conventionally been difficult to deal with, simply by pressing buttons and making test stitchings. If an upper thread tensioning device has a motor, a stitching operation may be made more easily.
摘要翻译：一种自动线张紧装置，用于将上，下螺纹的交叉点定位在经历缝合的织物的厚度的中心。通过基于线张力的测量结果进行计算来实现定位，而不需要检测针对现有类型的缝合条件的织物，螺纹或底线张力的各种特性。可以根据传统上难以处理的织物的不同特性和缝合条件的织物的缝合条件，仅通过按压按钮和进行试验缝来确定适当的面线张力。如果面线张紧装置具有电动机，则可以更容易地进行缝合操作。

4. 发明授权

US4111140A Thread tensioning device for a sewing machine 失效
标题翻译：用于缝纫机的螺纹张紧装置
公开(公告)号：US4111140A
公开(公告)日：1978-09-05
申请号：US703380
申请日：1976-07-08
申请人： Tohru Gonnai , Chikao Yamashita
发明人： Tohru Gonnai , Chikao Yamashita
IPC分类号： D05B47/02 , D05B47/04 , D05B51/00
CPC分类号： D05B51/00
摘要： A thread tensioning device for a sewing machine including a pair of elongated plate members closely confronted with each other by a spring member, disposed in the path of a thread, for forming a substantially wedge-shaped and extremely narrow gap therebetween which extends along the thread path, whereby the device can impart a thread passing through the narrow gap between the two plate members a certain tension suitable for the sewing without any manual operation, because the resistance acting on the passing thread is automatically determined in response to the size thereof.

5. 发明授权

US3792674A Sewing machine 失效
标题翻译：缝纫机
公开(公告)号：US3792674A
公开(公告)日：1974-02-19
申请号：US3792674D
申请日：1971-09-28
申请人： MEFINA SA
发明人： CASAS ROBERT R
IPC分类号： D05B43/00 , D05B47/02
CPC分类号： D05B43/00
摘要： A sewing machine wherein the upper thread spool is held fast on its spindle within the housing provided for it while the thread is wound off the spool in a direction extending substantially in alignment with the spool axis. The cover of the housing may be shifted outwardly together with the spindle which is secured to it to allow removing and replacing the spool. A cap-shaped member fitted loosely over the spool includes a broad flange guiding the thread as it passes off the spool while means are provided to lock the cover in its closed position and to lift the cap-shaped member off the spindle before releasing the cover.
摘要翻译：一种缝纫机，其中所述上线卷轴在其为其设置的壳体内的主轴上快速保持在其中，同时线沿着基本上与卷轴轴线相对延伸的方向卷绕在卷轴上。壳体的盖可以与固定到其上的主轴一起向外移动以允许移除和更换卷轴。松紧地安装在卷轴上的帽形部件包括当螺纹穿过线轴时引导螺纹的宽凸缘，同时提供用于将盖锁定在其关闭位置的装置并且在释放盖之前将盖形部件提离主轴。

6. 发明授权

US2701694A Thread tension device for sewing machines 失效
标题翻译：缝纫机用线张力装置
公开(公告)号：US2701694A
公开(公告)日：1955-02-08
申请号：US27762152
申请日：1952-03-20
申请人： WHITE SEWING MACHINE CORP
发明人： HAMLETT SIDNEY J
IPC分类号： D05B47/02
CPC分类号： D05B47/02

7. 发明申请

US20190144235A1 THREAD TENSION ADJUSTING DEVICE 审中-公开
公开(公告)号：US20190144235A1
公开(公告)日：2019-05-16
申请号：US16193777
申请日：2018-11-16
申请人： Miasolé Equipment Integration (Fujian) Co., Ltd.
发明人： Jianghui Huang , Bo Zhou , Bin Zhang , Qizheng Jiang , Xiaoning Ru , Deng Pan , Minghao Qu
IPC分类号： B65H59/38 , D05B47/02 , D05B47/06 , B65H59/40
摘要： The present disclosure discloses a thread tension adjusting device comprising a body, a tension rod, an elastic element and an adjusting knob. A thread passing eye for inputting a thread is arranged below the body. A tension wheel and a thread passing wheel are rotatably arranged on the body. An adjusting knob is used for adjusting a rotational speed of the tension wheel. The elastic element has one end connected to the body and another end connected to the tension rod. The thread tension adjusting device may ensure stability of tensioning and transmitting of the thread by cooperation between the tension rod and the tension wheel, and improve precision for thread tension adjusting by the adjusting knob. In addition, the thread tension adjusting device may monitor thread breakage by the tension detector, and ensure operating stability and safety of the thread tension adjusting device.

8. 发明申请

US20120210924A1 SEWING MACHINE 有权
标题翻译：缝纫机
公开(公告)号：US20120210924A1
公开(公告)日：2012-08-23
申请号：US13398077
申请日：2012-02-16
申请人： Yasunori KAWAI
发明人： Yasunori KAWAI
IPC分类号： D05B47/02
CPC分类号： D05B47/02 , D05B47/06
摘要： A sewing machine includes a needle thread tension control device including a fixed portion, a shaft having an external thread portion, a thread tension dial, first and second thread tension discs, and a spiral movement member. The spiral movement member includes an internal thread portion meshed with the external thread portion while being movable relative to the external thread portion in a spiral direction relative to the axis, and a scale including marks arranged serially and side by side in the spiral direction. The spiral movement member adjusts the needle thread tension by moving towards or away from the second thread tension disc while rotating in a circumferential direction by meshing between the external thread portion and the internal thread portion. The needle thread tension control device also includes a thread tension spring applying respective biasing forces to the spiral movement member and the second thread tension disc.
摘要翻译：缝纫机包括具有固定部分的轴线张力控制装置，具有外螺纹部分的轴，线张力拨盘，第一和第二线张力盘以及螺旋运动部件。螺旋运动构件包括与外螺纹部分啮合的内螺纹部分，同时可相对于轴线在螺旋方向上相对于外螺纹部分移动，以及包括沿螺旋方向串联和并排设置的标记的标尺。螺旋运动构件通过在外螺纹部分和内螺纹部分之间啮合而沿着圆周方向转动而朝向或远离第二线张力盘调节面线张力。针线张力控制装置还包括向螺旋运动构件和第二线张力盘施加相应的偏压力的线张力弹簧。

9. 发明授权

US5533460A Thread tension device with latch for a sewing machine 失效
标题翻译：带有缝纫机插销的线张力装置
公开(公告)号：US5533460A
公开(公告)日：1996-07-09
申请号：US542171
申请日：1995-10-12
申请人： Hsien-Chang Tseng
发明人： Hsien-Chang Tseng
IPC分类号： D05B47/02
CPC分类号： D05B47/02
摘要： A thread tension device includes a pair of discs engaged on a shaft and a spring for biasing the discs to clamp a thread. A follower is threadedly engaged on the shaft for adjusting the spring. A barrel is engaged with the follower so as to rotate the follower. A cap is rotatably engaged on the barrel. A latch is slidably engaged in the barrel for engaging the barrel with the cap so as to allow the barrel and the cap to rotate in concert when the latch is engaged with the cap. The barrel is allowed to rotate freely relative to the cap when the latch is disengaged from the cap.
摘要翻译：线张力装置包括一对接合在轴上的盘和用于偏压盘以夹紧螺纹的弹簧。从动件螺纹地接合在轴上用于调节弹簧。桶与跟随器接合以便使跟随器旋转。盖可旋转地接合在筒上。闩锁可滑动地接合在镜筒中，用于使镜筒与盖接合，以便当闩锁与盖接合时允许镜筒和帽一起旋转。当闩锁与盖脱离时，允许筒相对于盖自由旋转。

10. 发明授权

US5265548A Thread tension apparatus 失效
标题翻译：线张力装置
公开(公告)号：US5265548A
公开(公告)日：1993-11-30
申请号：US904382
申请日：1992-06-25
申请人： Shiro Satoma
发明人： Shiro Satoma
IPC分类号： B65H59/22 , D05B47/02
CPC分类号： D05B47/02 , B65H59/225 , B65H2701/31
摘要： The thread tension regulating apparatus comprises; thread tension setting means for selecting and setting thread clamping pressure to the right pressure coping with plural kinds of the stitches; thread tension fine-adjusting means for allowing fine-adjustment of thread clamping pressure in the thread tension regulating apparatus by moving clamping pressure of the thread tension regulating apparatus from the original position to a higher position; said clamping pressure having been adjusted by said thread tension setting means; and home-position resuming means for returning the thread tension fine-adjusting means to the home position from another position when selecting and setting another thread tension by using the thread tension setting means.
摘要翻译：线张力调节装置包括：线张力设定装置，用于选择和设定针对多种线圈的正确压力的线夹紧压力; 线张力微调装置，用于通过将线张力调节装置的夹持压力从原始位置移动到较高位置来允许精细调节线张力调节装置中的线夹紧压力; 所述夹紧压力已由所述线张力设定装置调节; 以及归位位置恢复装置，用于通过使用线张力设定装置选择并设定另一线张力时将线张力微调装置返回原位。

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