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    • 2. 发明授权
    • Collapsible body support structure
    • 可折叠的身体支撑结构
    • US4676466A
    • 1987-06-30
    • US728572
    • 1985-04-29
    • Shinroku NakaoYoshiyasu IshiiHiroaki Matsuda
    • Shinroku NakaoYoshiyasu IshiiHiroaki Matsuda
    • A47D13/02F16M11/38
    • A47D13/025Y10T16/54026Y10T16/54056Y10T403/32344Y10T403/608
    • A collapsible body support structure is provided having a pair of parallel support legs, a transverse bar and a substantially U-shaped carrier frame. The transverse bar contains at least two bar sections pivotally connected together. The transverse also includes end portions, which are secured to the support legs. The substantially U-shaped carrier frame includes a bight arm formed of at least two carrier sections which are pivotally connected together and have a pair of parallel arms. The parallel support legs have end portions. Pivot supports are pivotally mounted on the upper end portions of the support legs for pivotal movement of the carrier frame between the stored position adjacent to the support legs and an extended position. Spring-biased stopper plates are pivotally connected to the support legs for retaining the carrier frame in the extended position.
    • 提供了一种可折叠的主体支撑结构,其具有一对平行的支撑腿,横向杆和大致U形的运载架。 横杆包括枢转地连接在一起的至少两个杆部分。 横向还包括固定到支撑腿上的端部。 基本上U形的载体框架包括由至少两个承载部分形成的弯曲臂,枢转连接在一起并具有一对平行的臂。 平行支撑腿具有端部。 枢轴支撑件可枢转地安装在支撑腿的上端部分上,以便承载架在与支撑腿之间的存储位置和延伸位置之间枢转运动。 弹簧偏置止动板枢转地连接到支撑腿,用于将支架架保持在延伸位置。