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    Buckle pretensioner
    1.
    发明授权
    Buckle pretensioner 失效
    带扣预紧器

    公开(公告)号：US06460935B1

    公开(公告)日：2002-10-08

    申请号：US09445049

    申请日：2000-02-23

    申请人： Elizabeth Rees ,  Alan George Smithson ,  David Burke ,  Andrew John Downie ,  Carlo Martellini ,  Richard Harman ,  David Blackadder

    发明人： Elizabeth Rees ,  Alan George Smithson ,  David Burke ,  Andrew John Downie ,  Carlo Martellini ,  Richard Harman ,  David Blackadder

    IPC分类号： A47C3100

    CPC分类号： B60R22/1952

    摘要： A buckle pretensioner for a vehicle safety restraint comprising a buckle head (1) for receiving a buckle tongue to secure safety restraint webbing about a vehicle occupant in a three-point belt system; a cable (2) connected to the buckle head (1); and device (7) for rapidly withdrawing the cable in a belt tightening direction, the withdrawing device (7) comprising a force reservoir (8), and driving mechanism (6), and being of a compact construction through the use of set-up gearing (3,4) to magnify linear movement produced by the force reservoir (8) which may be a pyrotechnic gas generator or a spring. The driving mechanism (8) may be a piston-cylinder (6,8) or a rack and pinion. The gearing may comprise a pulley arrangement (3,4). Alternatively a roots motor or a gear pump could be used.

    摘要翻译： 一种用于车辆安全限制器的带扣预紧器，包括用于接收带扣舌片的带扣头（1），以在三点带系统中固定关于车辆乘员的安全约束带; 连接到所述带扣头（1）的电缆（2）; 以及用于在带紧固方向上快速拉出电缆的装置（7），所述抽出装置（7）包括力储存器（8）和驱动机构（6），并且通过使用设置而具有紧凑的结构 传动（3,4）以放大由力储存器（8）产生的线性运动，其可以是烟火气体发生器或弹簧。 驱动机构（8）可以是活塞缸（6,8）或齿条和小齿轮。 传动装置可以包括滑轮装置（3,4）。 或者可以使用根马达或齿轮泵。

    Weblocker retractor
    2.
    发明授权
    Weblocker retractor 失效
    卷纸收卷机

    公开(公告)号：US06299092B1

    公开(公告)日：2001-10-09

    申请号：US09508142

    申请日：2000-03-07

    申请人： Alan George Smithson ,  Joseph Patrick Harte ,  John Bell ,  Kenneth Williamson ,  Elizabeth Rees ,  Darren Laidlaw

    发明人： Alan George Smithson ,  Joseph Patrick Harte ,  John Bell ,  Kenneth Williamson ,  Elizabeth Rees ,  Darren Laidlaw

    IPC分类号： B60R2228

    CPC分类号： B60R22/12 ,  B60R22/28 ,  B60R22/341 ,  B60R22/42

    摘要： A retractor for a vehicle safety restraint which comprises web locking wedges (49a, 49b) which grip the seat belt webbing (19), under certain predetermined load conditions, so as to more securely restrain the vehicle occupant at the beginning of a crash pulse and which includes a load limiting arrangement so as to allow a limited and controlled pay out of webbing at the beginning of the crash pulse. The web locking retractor thus comprises a wedge (49a, 49b) which has an inner gripping surface with a predetermined coefficient of friction relative to the seat belt webbing so that, at a predetermined loading, the webbing slips past the friction surface of the wedge. This may be achieved by using double thickness webbing along a predetermined portion of the seat belt, for example two layers of webbing, or coating the wedge or a part of the webbing with a material (322) which is erodible or deformable and which may be cut into or eroded by the friction surface of the wedge, or by teeth (320) on that surface. Alternatively or in addition, the wedge comprises a cylindrical drum shaped member of which the outer curved surface is the gripping surface, the drum having a torsion bar arranged along its axis fixed against rotation at one end to the wedge housing and fixed to the cylindrical wedge at a point spaced from the end.

    摘要翻译： 一种用于车辆安全限制器的牵开器，其包括在特定的预定负载条件下夹紧安全带织带（19）的腹板锁定楔（49a，49b），以便在碰撞脉冲开始时更安全地限制车辆乘员， 其包括负载限制装置，以便在碰撞脉冲开始时允许有限的和受控制的织带支付。 因此，卷筒纸卷收器包括楔形件（49a，49b），该楔形件具有相对于安全带织带具有预定摩擦系数的内部夹紧表面，使得在预定载荷下，织带滑过楔形件的摩擦表面。 这可以通过使用沿着安全带的预定部分的双重厚度织带，例如两层织带，或者使用可侵蚀或可变形的材料（322）来涂覆楔形物或织带的一部分，并且可以是 被楔形物的摩擦表面或由该表面上的齿（320）切入或侵蚀。 或者或另外，楔形件包括圆柱形鼓形的构件，外部弯曲表面是抓握表面，滚筒具有沿其轴线布置的扭力杆，该扭杆在一端固定成抵抗楔形壳体的一端旋转并固定到圆柱形楔块 在与端部间隔的点处。

    Load limiting device for a seat belt
    8.
    发明授权
    Load limiting device for a seat belt 失效
    用于安全带的负载限制装置

    公开(公告)号：US06196589B1

    公开(公告)日：2001-03-06

    申请号：US09580011

    申请日：2000-05-26

    申请人： Alan Smithson ,  David Blackadder ,  John Taylor ,  Andrew Downie ,  Joe Harte ,  Andrew Park ,  Elizabeth Rees

    发明人： Alan Smithson ,  David Blackadder ,  John Taylor ,  Andrew Downie ,  Joe Harte ,  Andrew Park ,  Elizabeth Rees

    IPC分类号： B60R2228

    CPC分类号： C08L23/0815 ,  B60R22/28 ,  B60R22/3413 ,  B60R2022/282 ,  B60R2022/288 ,  C08L23/16 ,  C08L53/00 ,  C08L2205/22 ,  C08L2207/20 ,  C08L2312/00 ,  C08L2666/04

    摘要： A load limiting device is used with a vehicle seat belt during a crash to allow a limited and controlled forward motion of a vehicle occupant after the retractor has locked. The load limiting device decreases the forces exerted by the seat belt on the vehicle occupant's torso. The load limiting device has a container which defines a flow path for a fluid, with a restriction in the flow path. An actuator is located within the container and is movable within the container under the action of a load transmitted to the seat belt webbing from the vehicle occupant under extreme acceleration conditions, to move the fluid through the restriction in the flow path to dissipate a predetermined portion of the load on the webbing.

    摘要翻译： 负载限制装置在碰撞期间与车辆安全带一起使用，以允许在牵开器锁定之后车辆乘员的有限和可控的向前运动。 负载限制装置减少由安全带施加在车辆乘员躯干上的力。 负载限制装置具有限定用于流体的流动路径的容器，并且在流动路径中具有限制。 致动器位于容器内，并且在极限加速条件下，在从车辆乘员传递到座椅安全带织带的负载作用下，在容器内可移动，以使流体移动通过流动路径中的限制，从而消散预定部分 的织带上的负载。