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    • 63. 发明申请
    • Utility trailer and safety barrier for street repair
    • 实用拖车和街道维修的安全栅栏
    • US20070012534A1
    • 2007-01-18
    • US11182652
    • 2005-07-18
    • William Murphy
    • William Murphy
    • F16F7/12
    • F16F7/12B62D21/20E01F15/148
    • A utility trailer provides a frame defining a forward open bottom work space, a medially rearward deck and a rearwardmost extendable impact attenuator. Hitch structure encloses the forward portion of the work space. The impact attenuator is deployable spacedly rearwardly of the utility trailer in work site mode and provides frictional, mechanical and inertial devices to attenuate a forwardly directed impact. Additional impact attenuators extend between the hitch structure and a vehicle in towing motion. Plural jacks provide work site leveling and positional stability. The utility trailer provides an arch supported hoist to service the workspace and carries signs to provide traffic information and direction.
    • 实用拖车提供了一个框架,定义了一个向前开放的底部工作空间,一个中间后面的甲板和一个最后面的可伸缩冲击衰减器。 挂钩结构包围工作空间的前部。 冲击衰减器在工作现场模式下可以间距地布置在公用拖车的后方,并提供摩擦,机械和惯性装置以衰减向前定向的冲击。 额外的冲击衰减器在牵引运动中在牵引结构和车辆之间延伸。 多个千斤顶提供工作现场调平和位置稳定性。 实用拖车提供拱形支撑的起重机来维护工作空间并携带标志以提供交通信息和方向。
    • 69. 发明授权
    • Self-righting waterborne craft
    • 自调水上工艺
    • US4836120A
    • 1989-06-06
    • US662131
    • 1984-10-18
    • William Murphy
    • William Murphy
    • B63C7/00
    • B63C7/003
    • Disclosed is a system for displacing the center of buoyancy from the center of gravity in a capsized craft and maintain the displacement until the craft is substantially re-righted. Buoyancy is provided such that the craft floats high in the water when inverted. Flooding ports and venting ports are opened to allow at least one hull to partially flood, eliminating the buoyancy previously provided by the hull. Elimination of this buoyancy causes a displacement in the overall center of buoyancy which begins a pitch, or roll about the craft's longitudinal axis, which continues until the center of gravity is located directly under the center of buoyancy and the craft is substantially re-righted, although some pumping out of water in the flooded hull will be necessary.
    • 公开了一种用于将浮力中心从重心移动到翻盖工艺中的系统,并保持位移,直到工艺基本上被重新定位。 提供浮力,使得当反转时,工艺漂浮在水中。 溢流口和通风口打开以允许至少一个船体部分地淹没,消除了船体以前提供的浮力。 消除这种浮力会导致浮力的整个中心的位移,这开始是一个俯仰,或围绕船的纵向轴线滚动,直到重心位于浮力中心的正下方,并且船只基本上被重新定位, 虽然在淹没的船体中有些泵出水是必要的。