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    Adjustable tray riser
    7.
    发明授权
    Adjustable tray riser 失效
    可调托盘提升管

    公开(公告)号：US5054629A

    公开(公告)日：1991-10-08

    申请号：US563652

    申请日：1990-08-06

    申请人： John D. Breen

    发明人： John D. Breen

    IPC分类号： A47B87/02 ,  B42F7/12

    CPC分类号： B42F7/12 ,  A47B87/0261

    摘要： An adjustable support riser for vertically stacking letter trays is disclosed, comprising a riser body (10) having a lower clothespin type attachment configuration (30, 32, 42) for securing to a lower letter tray, and an upper attachment socket (12) for attaching to a downwardly projecting (52) foot projection of an upper letter tray, whereby the upper and lower letter trays are in a spaced apart orientation. The upper attachment socket is provided with an elongate ovular shape of enlarged dimension, whereby the upper tray can selectively placed in either a forward or a rearward socket location relative to the upper end of the riser. The orientation of the upper letter tray relative to the lower letter tray can thereby be selectively altered from a parallel and co-aligned configuration to a staggered or stepped configuration. The lower attachment means of each riser is provided with offset cantilevered fingers (30, 32, 42), which distribute stress along the line of attachment to the lower letter tray. A reinforcement flange (40) is provided to extend along each cantilevered inward finger, whereby adding rigidity and strength to the lower attachment point.

    摘要翻译： 公开了一种用于垂直堆叠字母盘的可调节的支撑提升器，其包括具有用于固定到较低字母的托盘的较低的晾衣架型连接配置（30,32,42）的提升管本体（10）和用于 附接到上部字母盘的向下突出的（52）脚部突起，由此上部和下部信纸托盘处于间隔开的方位。 上连接插座具有细长的逐渐扩大的卵形形状，由此上托盘可以相对于提升管的上端选择性地放置在向前或向后的插座位置。 因此，上文字母托盘相对于较低字母托盘的取向可以从平行和对齐配置选择性地改变为交错或阶梯式构造。 每个提升管的下连接装置设置有偏移悬臂指状物（30,32,42），其沿着附着线将应力分布到下文字母盘。 提供加强凸缘（40）以沿着每个悬臂向内的指状物延伸，从而向下附接点增加刚度和强度。