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    • 5. 发明申请
    • Recreational dock swing
    • 休闲码头秋千
    • US20130079168A1
    • 2013-03-28
    • US13200582
    • 2011-09-26
    • Jake M. PetersMichael K. Peters
    • Jake M. PetersMichael K. Peters
    • A63G9/00
    • A63G9/14A63G9/04A63G31/007A63G31/08
    • An apparatus includes a substantially vertical elongated mast and a substantially horizontal elongated boom which is supported by the mast proximate an upper end thereof. The boom can pivot independently about a substantially vertical first axis and a substantially horizontal second axis. The boom has a first end proximate the mast and a distal opposite second end. A gripping element, for gripping by a user of the apparatus while the user is supported thereby, depends from the boom proximate the second end thereof. An elastic biasing member operatively attached to the mast and the boom provides a biasing force to bias the boom toward a rest position and against downward movement of the second end of the mast. The biasing member allows a temporary downward movement of the second end of the boom due to sudden application of weight of a user's body when the user grasps the gripping element.
    • 一种装置包括基本垂直的细长桅杆和基本上水平的细长吊杆,其由靠近其上端的桅杆支撑。 悬臂可围绕基本垂直的第一轴线和基本水平的第二轴线独立地枢转。 悬臂具有靠近桅杆的第一端和远端相对的第二端。 用于由使用者被支撑的装置的使用者抓握的夹紧元件从靠近其第二端的起重臂取决。 可操作地附接到桅杆和悬臂的弹性偏置构件提供偏压力,以将悬臂朝向静止位置偏压并且防止桅杆的第二端的向下运动。 当使用者抓握夹紧元件时,偏置构件由于突然施加使用者身体的重量而允许悬臂的第二端暂时向下移动。