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    Injection-molded block-out spacer
    11.
    发明授权
    Injection-molded block-out spacer 失效
    注射成型的隔离垫片

    公开(公告)号：US06179273B2

    公开(公告)日：2001-01-30

    申请号：US09267374

    申请日：1999-03-15

    申请人： Edward Edmunds, III ,  James Rutherford

    发明人： Edward Edmunds, III ,  James Rutherford

    IPC分类号： A01K300

    CPC分类号： E01F15/0438

    摘要： A spacer is shown for spacing a post from a rail used alongside a road. The spacer is formed from an injection-molded plastic honeycomb structure. The honeycomb structure has a number of substantially parallel, internal webs, with the internal webs extending in a direction substantially perpendicular to the post and the rail. The spacer can be formed with a post-interfacing side of the spacer having a stepped configuration that allows the spacer to engage with a variety of different shaped posts. Each of the substantially parallel internal webs of the spacer is provided with the stepped configuration at the post-interfacing end of each of the webs. A width of the bottom surface of the stepped surface is selected for engagement with a standard width flange on an I-beam type post. A width of an intermediate ledge surface on the stepped surface is selected for engagement with standard wooden square posts. The stepped surface is also provided with chamfered surfaces that fall along a locus of points having a radius approximately equal to the outer radius of a standard round wooden post. The spacer also has an internal partition extending between the post-interfacing side and the rail-interfacing side of the spacer and defining an opening through which a connector can be passed. The internal partition can be offset relative to a central longitudinal axis of the spacer so that a connector passing through the opening will not interfere with the central web of an I-beam type spacer.

    摘要翻译： 示出了用于将柱与用于道路旁边的轨道间隔开的间隔件。 间隔件由注射成型的塑料蜂窝结构形成。 蜂窝结构具有多个基本上平行的内部腹板，内部腹板在大体上垂直于柱和轨道的方向上延伸。 间隔件可以形成有间隔件的后接合侧，其具有阶梯构造，其允许间隔件与各种不同的形状的柱接合。 间隔件的每个基本上平行的内部腹板在每个腹板的接合后端设置有台阶构造。 选择台阶表面的底面的宽度以与I型梁型柱上的标准宽度凸缘接合。 选择台阶表面上的中间凸缘表面的宽度用于与标准木方柱接合。 台阶表面还设置有倒角表面，其沿着具有近似等于标准圆形木柱的外半径的半径的点的轨迹落下。 间隔件还具有在间隔件的后接合侧和导轨接合侧之间延伸的内部隔离件，并且限定连接器可以通过的开口。 内部分隔件可以相对于间隔件的中心纵向轴线偏移，使得穿过开口的连接件不会干扰I型梁型间隔件的中心腹板。