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    • 34. 发明授权
    • Tow bar and releasable lock for tow bar leg
    • 拖杆和可松脱的锁,用于拖杆
    • US08128116B1
    • 2012-03-06
    • US13068491
    • 2011-05-12
    • James HustonSteven GoodmanDavid MerchantLeslie RoeberNeil Wagner
    • James HustonSteven GoodmanDavid MerchantLeslie RoeberNeil Wagner
    • B60D1/54
    • B60D1/04B60D1/167B60D1/54Y10T403/32483Y10T403/32508
    • A tow bar includes a towing hitch member including a pintle hitch and secured to a towing vehicle; a towed hitch member secured to a vehicle to the towed; a head member with a lunette ring; a pair of tow bar legs, each including a proximal end including an outer member with a distal end, and a distal end including an inner member with a proximal end telescopingly displaceable within the distal end of the outer member; a leg connector mechanism pivotally connecting the proximal ends of the tow bar legs to the head member; towed connector elements secured to the distal ends of the tow bar legs and structured to releasably connect the tow bar legs to the towed hitch member; and a locking mechanism structured to automatically and releasably lock each of the tow bar legs in either a stored configuration or a deployed configuration.
    • 牵引杆包括牵引钩构件,其包括枢轴连接并固定到牵引车辆; 被牵引的挂钩构件固定在车辆上被拖曳; 一个头戴耳环的头饰; 一对牵引杆腿,每个牵引杆腿包括近端,其包括具有远端的外部构件,以及包括内部构件的远端,所述内部构件具有可在外部构件的远端内伸缩移位的近端; 腿部连接器机构,其将拖链杆的近端枢转地连接到头部构件; 拖曳的连接器元件固定到拖曳杆腿的远端并被构造成将拖曳杆腿可释放地连接到被拖曳的搭接构件; 以及锁定机构,其被构造成将每个拖杆腿自动和可释放地锁定在存储的配置或展开配置中。