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    • 5. 发明授权
    • Trailer hitching apparatus
    • 挂车挂钩装置
    • US06948734B2
    • 2005-09-27
    • US10739604
    • 2003-12-18
    • Brian E. Popham
    • Brian E. Popham
    • B60D1/06B60D1/18B60D1/38B60D1/44
    • B60D1/185B60D1/06B60D1/38
    • A trailer hitching apparatus comprises a trailer hitch receiver assembly, a winching device, a trailer hitch and a cable. The trailer hitch receiver assembly includes a receiver tube having a first end, a second end, an opening at the second end, and a passage extending from the opening toward the first end. The cable extends through the opening. The trailer hitch receiver assembly is mountable on a chassis of a vehicle. The winching device is mountable on at least one of the chassis of the vehicle and the trailer hitch receiver assembly. The trailer hitch includes a receiver stub configured for being engaged within the receiver tube through the opening at the second end of the receiver tube. The cable has a first end attached to a spool of the winching device and a second end attached to the receiver stub of the trailer hitch. When the cable is wound onto the spool of the winch, while the receiver stub of the trailer hitch is correspondingly pulling into the passage of the receiver tube, thereby engaging the trailer hitch within the trailer hitch receiver assembly.
    • 拖车联接装置包括拖车牵引接收器组件,绞车装置,拖车挂钩和电缆。 拖车牵引接收器组件包括接收管,其具有第一端,第二端,在第二端的开口,以及从开口朝向第一端延伸的通道。 电缆延伸穿过开口。 拖车牵引接收器组件可安装在车辆的底盘上。 绞车装置可安装在车辆的底盘和拖车牵引接收器组件中的至少一个上。 拖车牵引包括被配置为通过接收管的第二端处的开口接合在接收管内的接收器短截线。 电缆具有附接到绞盘装置的线轴的第一端和附接到拖车牵引装置的接收器短柱的第二端。 当电缆缠绕在绞盘的卷轴上时,拖车挂钩的接收器短路相应地拉入接收器管的通道中,从而使挂车挂钩接合器组件内的拖车接头接合。
    • 7. 发明授权
    • Strap extender and tensioning system
    • 表带延伸和张紧系统
    • US5316266A
    • 1994-05-31
    • US871715
    • 1992-04-21
    • An-Chuan Chou
    • An-Chuan Chou
    • B60D1/18B60P7/08B66D3/02
    • B60D1/185B60P7/083Y10T74/1555
    • A strap extending and tensioning system includes a strap winding mechanism to wind a predetermined length of strap on itself. A clevis slip hook is included for coupling to a rear end of a tow truck or the like. A strap tightener allowing the strap to be tightened passes through a through slot in the strap tightener. The strap tightener has a rotatable handle to rotate counter-clockwise a pair of ratchet wheels and a shaft to wind the strap on the shaft and thus place the strap in tension loading. Two pawls, as part of a pawl plate in the rotatable handle, may engage the ratchet wheels to rotate counter-clockwise through a biasing spring which pushes the pawl plate in a predetermined direction. The shaft can wind the strap to tighten it when the displaceable handle is rotated to provide a counter-clockwise rotation of the shaft.
    • 带子延伸和张紧系统包括带状卷绕机构,以将预定长度的带卷绕在其自身上。 包括用于联接到拖车等的后端的U形夹滑钩。 带子拉紧器允许带子被紧固穿过带子拉紧器中的通孔。 带子拉紧器具有可旋转手柄,以逆时针方向旋转一对棘轮和轴,以将带缠绕在轴上,从而将带放置在张力负载中。 作为可旋转手柄中的棘爪板的一部分的两个棘爪可以接合棘轮以通过偏压弹簧逆时针旋转,该偏压弹簧沿预定方向推动棘爪板。 当可移动手柄旋转以提供轴的逆时针旋转时,轴可以缠绕带以将其紧固。