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    Prefabricated knock-down metal-frame work table
    1.
    发明授权
    Prefabricated knock-down metal-frame work table 失效
    预制敲门金属框架工作台

    公开(公告)号：US4630550A

    公开(公告)日：1986-12-23

    申请号：US719214

    申请日：1985-04-02

    申请人： Harry L. Weitzman

    发明人： Harry L. Weitzman

    IPC分类号： A47B13/06 ,  A47B47/02 ,  F16B7/00

    CPC分类号： A47B13/06 ,  A47B2220/11 ,  Y10T403/342 ,  Y10T403/42

    摘要： A plurality of side rails, cross rails, side and corner legs are prefabricated from a square, tubular, 12 gauge steel material. Separable side and corner connecting members formed of substantially the same tubular steel material include projecting arms and bridging members that are inserted into the open ends of the side rails, cross rails, side and corner members to assemble the table. The connections are secured by bolting the structural frame members to the connecting members. Tubular rectangular side tracks are secured to the upper surface of the side rails in certain installations to provided support for wheeled carriages that are adapted to move longitudinally of the table. The side connectors and corner connectors are, in general, fabricated identically, then utilized in the assembly by slightly different orientation, hole patterns, and the use of the different bridging members.

    摘要翻译： 多个侧轨，十字轨道，侧面和角落腿由方形管状12号钢材料预制。 由基本上相同的管状钢材料形成的可分离的侧面和角部连接构件包括插入侧轨，横轨，侧面和角部构件的开口端中的突出臂和桥接构件，以组装工作台。 通过将结构框架构件螺栓连接到连接构件来固定连接。 管状矩形侧轨道在某些安装中固定到侧轨的上表面，以提供适于沿桌子纵向运动的轮式车厢的支撑。 侧连接器和角连接器通常相同地制造，然后通过略微不同的取向，孔图案和不同桥接构件的使用在组装中使用。

    Air table with selective air distribution
    3.
    发明授权
    Air table with selective air distribution 失效
    空气台选择性空气分配

    公开(公告)号：US4648779A

    公开(公告)日：1987-03-10

    申请号：US747766

    申请日：1985-06-24

    申请人： Harry L. Weitzman

    发明人： Harry L. Weitzman

    IPC分类号： B65G51/03

    CPC分类号： B65G51/03 ,  Y10T83/748

    摘要： An air distribution system for air tables of the type in which modular table sections each have a plurality of holes in the surface thereof leading to or from a plenum underneath. A plurality of manifolds each receives a supply of air from a central blower from which the air is delivered through separate air feed lines to the plenums of a corresponding set or group of sections. The air from the blower to each manifold is selectively controlled by an on-off valve so that a selected set of modular sections may obtain its air supply separately from the other sets.

    摘要翻译： 一种用于这种类型的空气台的空气分配系统，其中模块化的工作台部分在其表面上具有多个孔，其通向或从下方的集气室。 多个歧管各自接收来自中央鼓风机的空气供给，空气从空气通过单独的空气供给管线输送到相应的一组或一组部分的增压室。 从鼓风机到每个歧管的空气由开关阀选择性地控制，使得所选择的一组模块部分可以与其他组分离地获得其空气供应。