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    • 3. 发明授权
    • Resilient mast hinge
    • 弹性桅杆铰链
    • US4453482A
    • 1984-06-12
    • US334718
    • 1981-12-28
    • Milton T. Barker
    • Milton T. Barker
    • B63B15/00
    • B63B15/00Y10S16/33Y10S16/36Y10T16/5382
    • A radar loaded, hollow yacht mast is disclosed which is pivoted at the bottom to the deck by a tri-sectioned elastomeric torsion spring hinge assembly in which the torsion is produced by relative rotation between the inner section and the two outer sections. The torsional resistance of the hinge assembly prevents the mast from falling when the bolts and stays are removed and the restoring force in the spring elastomer when the mast is pivoted flat to the deck assists in raising the mast back into its upright position. A hollow, flanged mounting connecting the hollow mast to the movable section of the hinge assembly prevents sea water from entering the hollows. Provisions are provided for pre-loading the hinge spring with a torsional stress in either direction when the hinge is closed.
    • 公开了一种雷达装载的中空游艇桅杆,其通过三段式弹性扭转弹簧铰链组件在底部枢转到甲板,其中扭转通过内部部分和两个外部部分之间的相对旋转而产生。 当螺栓和支柱被移除时,铰链组件的扭转阻力防止桅杆掉落,并且当桅杆平稳地枢转到甲板时弹簧弹性体中的恢复力有助于将桅杆提升回其直立位置。 将中空桅杆连接到铰链组件的可移动部分的中空的法兰安装件防止海水进入中空部。 提供了当铰链关闭时在任一方向上预先加载具有扭转应力的铰链弹簧的规定。