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    • 5. 发明授权
    • Apparatus for leveling a trailer and dampening sway
    • 用于调平拖车和阻尼摇摆的装置
    • US08550486B2
    • 2013-10-08
    • US12211053
    • 2008-09-15
    • Gary Scott
    • Gary Scott
    • B60D1/32
    • B60D1/32B60D1/247B60D1/58
    • An apparatus for tensioning spring arms used in conjunction with a weight distribution hitch. The apparatus may comprise a mechanical linkage that may be operable to multiply an input force provided by a jack to an output force of sufficient magnitude to tension the spring arms. The mechanical linkage may comprise a pair of rigid arms that are linked to a support post of a trailer jack. The pair of rigid arms may automatically be raised in conjunction with the support post being operated from a lowered position to a raised position. The rigid arms may exert a force on a cross-piece member extending between the spring arms. Alternatively, the mechanical linkage may comprise a flexible member for placing the spring arms under tension.
    • 一种用于张紧弹簧臂的装置,与重量分配钩结合使用。 该装置可以包括机械联动装置,其可操作以将由千斤顶提供的输入力乘以足够大的输出力以张紧弹簧臂。 机械连杆可以包括一对刚性臂,其连接到拖车千斤顶的支撑柱。 一对刚性臂可以自动地从支撑柱从降低位置升高到升高位置而升高。 刚性臂可以在弹簧臂之间延伸的横向构件上施加力。 或者,机械连接件可以包括用于将弹簧臂放置在张力下的柔性构件。
    • 6. 发明申请
    • Elevator pit safety device
    • 电梯坑安全装置
    • US20060042883A1
    • 2006-03-02
    • US10932236
    • 2004-09-02
    • Gary Scott
    • Gary Scott
    • B66B5/28
    • B66B5/005
    • The present invention relates to an improved safety device for elevator or lift maintenance and service. The safety device of the present invention can be used in any vertical transportation shaft to provide protection to individuals in the pit of an elevator. The safety device consists of a shoring means which is connected to the vertical side surface of the vertical transportation shaft via mounting means, which allow the shoring means to be moved from a retracted position, wherein the shoring means is disposed in the vicinity of the vertical side surface, to a deployed position, wherein the shoring means is disposed vertically and spaced from the side vertical surface. In the deployed position, the shoring means provides a physical barrier between the elevator car and the floor of the vertical transportation shaft, thus preventing potential injury to the serviceperson working in the pit.
    • 本发明涉及一种用于电梯或电梯维护和服务的改进的安全装置。 本发明的安全装置可以用在任何垂直的运输轴中,以便为电梯的坑中的个人提供保护。 安全装置包括支撑装置,该支撑装置通过安装装置连接到竖直运输轴的垂直侧表面,其允许支撑装置从缩回位置移动,其中支撑装置设置在垂直方向附近 侧表面到展开位置,其中支撑装置垂直设置并且与侧垂直表面间隔开。 在展开位置,支撑装置在电梯轿厢和垂直运输轴的地板之间提供物理障碍物,从而防止在坑中工作的服务人员受到潜在的伤害。