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    STEPLADDER
    4.
    发明申请
    STEPLADDER 审中-公开
    梯子

    公开(公告)号：US20150345219A1

    公开(公告)日：2015-12-03

    申请号：US14424113

    申请日：2014-01-29

    申请人： Tokuo AOI ,  Tazuko AOI

    发明人： Tokuo AOI ,  Tazuko AOI

    IPC分类号： E06C1/20

    CPC分类号： E06C1/20 ,  E06C1/18 ,  E06C1/22 ,  E06C7/44

    摘要： A stepladder provided with a coupling frame in the shape of an equilateral triangle, a front support, a rear right support, a rear left support, and spread stoppers for stopping the front support, the rear right support, and the rear left support from spreading. The front support is rotationally attached to a front shaft of the coupling frame, the rear right fixing member is rotationally attached to a right shaft, and the rear left fixing member is rotationally attached to a left shaft. The rear left support and the rear right support are detachably mounted to the rear left fixing member and the rear right fixing member, respectively. The supports of the stepladder are coupled by the spread stoppers, whereby the three supports are restricted from being displaced forward, to the right rear, and to the left rear.

    摘要翻译： 梯形设置有等边三角形形状的联接框架，前支撑件，后右支撑件，后左支撑件和用于阻止前支撑件，后右支撑件和后左支撑件的展开挡块的展开 。 前支撑件旋转地附接到联接器框架的前轴，后右固定构件旋转地附接到右轴，并且后左固定构件旋转地附接到左轴。 后左支撑件和后右支撑件分别可拆卸地安装到后左固定构件和后右固定构件。 梯子的支撑件通过展开的止动件联接，由此限制三个支撑件向前移动到右后部和向左后方移动。

    Stepladder
    5.
    发明授权
    Stepladder 有权

    公开(公告)号：US09689204B2

    公开(公告)日：2017-06-27

    申请号：US14424113

    申请日：2014-01-29

    申请人： Tokuo Aoi ,  Tazuko Aoi

    发明人： Tokuo Aoi ,  Tazuko Aoi

    IPC分类号： E06C1/18 ,  E06C1/20 ,  E06C1/22 ,  E06C7/44

    CPC分类号： E06C1/20 ,  E06C1/18 ,  E06C1/22 ,  E06C7/44

    摘要： A stepladder provided with a coupling frame in the shape of an equilateral triangle, a front support, a rear right support, a rear left support, and spread stoppers for stopping the front support, the rear right support, and the rear left support from spreading. The front support is rotationally attached to a front shaft of the coupling frame, the rear right fixing member is rotationally attached to a right shaft, and the rear left fixing member is rotationally attached to a left shaft. The rear left support and the rear right support are detachably mounted to the rear left fixing member and the rear right fixing member, respectively. The supports of the stepladder are coupled by the spread stoppers, whereby the three supports are restricted from being displaced forward, to the right rear, and to the left rear.