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    • 7. 发明授权
    • Heavy duty ratchet
    • 重型棘轮
    • US09254989B2
    • 2016-02-09
    • US13869469
    • 2013-04-24
    • Kenneth G. Kingery
    • Kenneth G. Kingery
    • B21F9/00B66F3/00B66D3/08B66D5/32B66D3/10
    • B66D5/32B66D3/10
    • A ratchet includes a spool rotatably disposed within a housing and supporting a cord having opposed cord sections extending from the housing. Tension to one cord section is initially applied by pulling on the other cord section. To increase the tension, a tool is engaged with the spool to apply a further force to increase the tension on the one cord section. In another embodiment, a cord enters the housing and into the center of a hollow shaft supporting a spool and drawn through the hollow shaft to establish an initial degree of tension on the section of the cord entering the housing. A lever cooperating with the spool turns the spool to wrap the cord about the spool and increase the tension on the cord. In a third embodiment, a cord enters a housing and extends about a spool supported within the housing and thereafter exits the housing. A pivotable lever incrementally rotates the spool to increase the tension on the cord entering the housing. To further increase the tension on the spool, a wrench or the like may engage the shaft supporting the spool in any of the ratchets described.
    • 棘轮包括可旋转地设置在壳体内并支撑具有从壳体延伸的相对的绳部的绳索的线轴。 首先通过拉扯另一个绳索部分来对一个绳索部分施加张力。 为了增加张力,工具与线轴接合以施加进一步的力以增加一个绳部分上的张力。 在另一个实施例中,绳索进入壳体并进入支撑卷轴的空心轴的中心,并通过中空轴拉动,以在进入壳体的绳索的部分上建立初始张力。 与阀芯配合的杠杆使阀芯绕线轴缠绕,并增加电源线上的张力。 在第三实施例中,绳索进入壳体并围绕支撑在壳体内的线轴延伸,然后离开壳体。 可枢转的杠杆递增地旋转线轴以增加进入壳体的绳索上的张力。 为了进一步增加卷轴上的张力,扳手或类似物可以在所描述的任何棘齿中接合支撑卷轴的轴。
    • 8. 发明授权
    • Strap tensioning system
    • 表带张紧系统
    • US09061622B2
    • 2015-06-23
    • US13962072
    • 2013-08-08
    • Ancra International LLC
    • Howard T. Knox
    • B66F3/00B21F9/00B60P7/08
    • B60P7/0846B60P7/083
    • A strap tensioning system is provided. The system includes a frame comprising a first side wall that retains a ledge. A core shaft retains a flexible shaft and is rotatable by a drive shaft as urged by a crank handle. The crank handle supports an arm that is pivotable with respect to the crank handle, between a stowed position where the arm is substantially parallel to the crank handle, and a locking position where the arm is substantially perpendicular to the crank handle. The crank handle and arm are configured such that the arm disposed within the ledge when the crank handle is in registry with the ledge and the arm is in the locked position, thereby preventing rotation of the crank handle with respect to the frame.
    • 提供带张紧系统。 该系统包括框架,该框架包括保持凸缘的第一侧壁。 芯轴保持柔性轴,并通过由曲柄手柄推动的驱动轴旋转。 所述曲柄手柄支撑臂,所述臂能够相对于所述曲柄手柄枢转,所述臂在所述臂基本上平行于所述曲柄手柄的收起位置之间以及所述臂基本上垂直于所述曲柄手柄的锁定位置。 曲柄手柄和臂构造成使得当曲柄手柄与凸缘对准时臂设置在凸缘内,并且臂处于锁定位置,从而防止曲柄手柄相对于框架旋转。