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2. 发明授权

US06860501B2 Weight distributing hitch assembly 有权
标题翻译：重量分配挂钩总成
公开(公告)号：US06860501B2
公开(公告)日：2005-03-01
申请号：US10222064
申请日：2002-08-16
申请人： Kenneth R. Schmidt , Lynn Mida , David L. Hoelscher , Neal Weipert
发明人： Kenneth R. Schmidt , Lynn Mida , David L. Hoelscher , Neal Weipert
IPC分类号： B60D1/00 , B60D1/06 , B60D1/173 , B60D1/24 , B60D1/30 , B60D1/34 , B60D1/50
CPC分类号： B60D1/065 , B60D1/247 , B60D1/345 , B60D1/50 , B60D1/665
摘要： A weight distributing hitch assembly includes a shank, hitch head, spring bar and lift assembly. The lift assembly is preferably removably mountable to the frame members of a trailer frame while the spring bar extends below the frame members relative to the ground. The lift assembly mounts a hanger assembly which engages a cantilevered segment of the spring bar to drive the spring bar from a free state to a loaded state to distribute the hitch load to a towing vehicle as well as to the trailer. A lever assembly mounts the hanger assembly to the lift assembly and supplies mechanical advantage to assist a user during tensioning of the spring bar. By moving the lever assembly, the cam rotates about a pivot. As the hanger assembly is engaged with the cam, the hanger assembly is driven from a disengaged position to an engaged position which moves the spring bar from its free state to its loaded state with a minimum of user effort.
摘要翻译：配重联结组件包括柄，搭接头，弹簧杆和升降组件。提升组件优选地可拆卸地安装到拖车框架的框架构件，同时弹簧杆相对于地面在框架构件下方延伸。提升组件安装悬挂组件，其接合弹簧杆的悬臂段以将弹簧杆从自由状态驱动到负载状态，以将牵引负载分配到牵引车辆以及拖车。杠杆组件将吊架组件安装到升降组件上，并提供机械优点以在弹簧杆张紧期间辅助使用者。通过移动杠杆组件，凸轮绕枢轴转动。当衣架组件与凸轮接合时，衣架组件从脱离位置被驱动到接合位置，该接合位置以最小的用户努力将弹簧杆从其自由状态移动到其加载状态。

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