Thread tensioning device for a sewing machine
    1.
    发明授权
    Thread tensioning device for a sewing machine 失效
    缝纫机用线张紧装置

    公开(公告)号:US4545311A

    公开(公告)日:1985-10-08

    申请号:US637193

    申请日:1984-08-02

    IPC分类号: D05B47/00 D05B47/02

    CPC分类号: D05B47/00

    摘要: A thread tensioning device, wherein a helical spring of varying diameter is deflected by a control knob with a defined operating range to increase tension in sewing thread moved through the device, is provided with a member which is formed to engage one or more intermediate coils of the spring while the spring is deflected more than a predetermined amount by the control knob and thereby increase thread tension obtainable over a portion of the operating range of the knob.

    摘要翻译: 一种线张紧装置,其中具有不同直径的螺旋弹簧由具有限定的操作范围的控制旋钮偏转以增加移动通过装置的缝合线中的张力,该构件形成为接合一个或多个中间线圈 弹簧通过控制旋钮偏转超过预定量,从而增加在旋钮操作范围的一部分上可获得的线张力。

    Thread holding finger for bobbin winding mechanism of a sewing machine
    2.
    发明授权
    Thread holding finger for bobbin winding mechanism of a sewing machine 失效
    用于缝纫机绕线机构的夹持手指

    公开(公告)号:US4389955A

    公开(公告)日:1983-06-28

    申请号:US265506

    申请日:1981-05-20

    CPC分类号: D05B59/00 D05B57/265

    摘要: A thread engageable finger for guiding needle thread into a thread receiving slot on the bobbin case of a sewing machine, as a seized loop of the thread is moved about the bobbin case by a looptaker, is provided along a thread engaging edge with a predetermined curved contour effective to delay movement of the thread along said edge until the introduction of thread into the bobbin case slot as required for bobbin winding is assured.

    摘要翻译: 一个用于将缝合线引导到缝纫机梭壳上的螺纹接收槽中的螺纹可接合的指状物,作为螺纹的被咬住的环,通过一个浸渍器围绕着梭壳移动,沿着一个具有预定弯曲的螺纹接合边缘 有效地延长螺纹沿着所述边缘的运动,直到根据纱管绕组的需要将螺纹引入到梭壳槽中。

    Intermittently operable needle thread snubber
    3.
    发明授权
    Intermittently operable needle thread snubber 失效
    间歇操作的针线缓冲器

    公开(公告)号:US4248169A

    公开(公告)日:1981-02-03

    申请号:US128205

    申请日:1980-03-07

    IPC分类号: D05B51/00 D05B47/04

    CPC分类号: D05B51/00

    摘要: A sewing machine thread snubber having a fixed part and having a movable part pivoted thereon is provided with mechanism operable by needle bar reciprocating mechanism for moving the pivoted part of the snubber between a needle thread releasing position and a position wherein a drag is imposed on the thread.

    摘要翻译: 具有固定部分并且具有枢转在其上的可移动部件的缝纫机螺纹缓冲器设置有可通过针杆往复运动机构操作的机构,用于使缓冲器的枢转部分在针线释放位置和施加在第二位置上的位置之间移动 线。

    Thread tensioning module for a sewing machine
    4.
    发明授权
    Thread tensioning module for a sewing machine 失效
    缝纫机线张力模块

    公开(公告)号:US4453480A

    公开(公告)日:1984-06-12

    申请号:US512849

    申请日:1983-07-11

    IPC分类号: D05B47/02 D05B47/00

    CPC分类号: D05B47/00

    摘要: A thread tensioning module for use on a sewing machine is provided with a plastic housing and with mechanism at the rear of the housing for receiving and applying frictional resistance to the movement of thread therethrough. The mechanism includes a pair of thread engageable members, one of which extends beyond the other and the side wall of the module on the thread entering side thereof to catch and enable thread to be positioned between the members.

    摘要翻译: 在缝纫机上使用的线张力模块设置有塑料壳体,并且具有位于壳体后部的机构,用于接收并施加对线穿过其的运动的摩擦阻力。 该机构包括一对螺纹可接合构件,其中一个螺纹可接合构件在其进入其侧面的螺纹上延伸超过模具的侧壁和模块的侧壁,以抓住并使螺纹位于构件之间。

    Adjustable thread tensioning device for a sewing machine
    5.
    发明授权
    Adjustable thread tensioning device for a sewing machine 失效
    缝纫机可调线张紧装置

    公开(公告)号:US4372502A

    公开(公告)日:1983-02-08

    申请号:US246531

    申请日:1981-03-23

    IPC分类号: D05B47/00 D05B47/02 B65H59/22

    CPC分类号: D05B47/00

    摘要: A thread tensioning device for a sewing machine is provided with a rigid beam which pivots on an adjustable fulcrum in engagement with a mounting plate. The device includes an adjustable tension selector movable along the plate and beam for varying the tension on needle thread disposed between the plate and beam.

    摘要翻译: 一种用于缝纫机的线张紧装置设置有刚性梁,该刚性梁在可调节的支点上枢转,与安装板接合。 该装置包括可沿着板和梁移动的可调张力选择器,用于改变设置在板和梁之间的针线上的张力。

    Threading apparatus for sewing machines
    7.
    发明授权
    Threading apparatus for sewing machines 失效
    缝纫机穿线机

    公开(公告)号:US3970019A

    公开(公告)日:1976-07-20

    申请号:US640085

    申请日:1975-12-12

    IPC分类号: D05B47/00 D05B49/00

    CPC分类号: D05B47/00

    摘要: This disclosure relates to threading apparatus for sewing machines and in particular to a movable thread engaging means disposed in proximity to a disc-type tension device which thread engaging means is operative during movement of the tension discs towards one another for guiding the thread between and in operative relationship with the tension discs so as to ensure that the thread will be properly threaded through the tension device.

    摘要翻译: 本公开涉及用于缝纫机的穿线装置,特别涉及一种设置在盘形张紧装置附近的可动螺纹接合装置,该螺纹接合装置在张紧盘相对于彼此移动期间可操作, 与张力盘的操作关系,以确保螺纹将适当地穿过张紧装置。