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    • 45. 发明授权
    • Rope pulling device
    • 绳牵引装置
    • US6076805A
    • 2000-06-20
    • US382322
    • 1999-08-24
    • David Messersmith
    • David Messersmith
    • B66D3/14B21F9/00
    • B66D3/14
    • A rope pulling device includes a come-along (20) having a frame (30) on which are mounted an anchor end grip assembly (200) and a load end grip assembly (300). During operation, the anchor end grip assembly is locked on the rope. A hook (100) is carried on the spindle (62) of the ratchet assembly (60). A lever assembly (50) drives a pawl assembly (80) which rotates the ratchet assembly in the forward direction. The hook causes rope to move through the unlocked load end grip assembly and to wind about the spindle. When the spindle is full, the load end grip assembly is locked. A lock assembly (70), which prevents counter-rotation of the spindle is released, allowing the spindle to be reversed and emptied. Slack rope is then passed around the hook, and wound about the spindle for approximately two turns. The load end grip assembly may then be released and the spindle may again be filled with rope, thereby pulling the load (400) closer to the anchor (500).
    • 绳索牵引装置包括具有框架(30)的落地(20),安装有锚固端部夹持组件(200)和负载端部夹持组件(300)。 在操作期间,锚固端部把手组件被锁定在绳索上。 钩子(100)被承载在棘轮组件(60)的主轴(62)上。 杠杆组件(50)驱动棘爪组件(80),棘爪组件(80)使棘轮组件沿向前方向旋转。 钩子使绳索移动通过解锁的装载端部把手组件并围绕主轴卷绕。 当主轴已满时,装载端把手组件被锁定。 释放防止主轴反向旋转的锁组件(70),从而允许主轴反向和倒空。 然后将松紧绳绕过钩子,围绕主轴缠绕大约两圈。 然后可以释放负载端部夹持组件,并且主轴可以再次用绳索填充,从而将负载(400)拉近更靠近锚固件(500)。