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    Coin-operated vacuum
    1.
    发明授权
    Coin-operated vacuum 失效
    投币式真空

    公开(公告)号：US4805255A

    公开(公告)日：1989-02-21

    申请号：US199209

    申请日：1988-05-26

    申请人： Virgil C. Hed

    发明人： Virgil C. Hed

    IPC分类号： A47L5/36 ,  A47L9/00 ,  A47L9/14 ,  G07F17/00 ,  A47L5/38

    CPC分类号： A47L5/365 ,  A47L9/1418 ,  G07F17/00

    摘要： A coin operated vacuum is made with two housings, one for mounting the coin mechanism and the vacuum motor and blower, and the other comprising the debris collection barrel and filter. The two housings are made so that they are virtually tamper-proof, and are joined together as a unit, with the housing mounting the operating components comprising a tower that is securely fixed from the inside to a support base, and which is constructed to provide ready axis to the internal operating components by removal of a secure draw bolt type lock. The debris collection bin has a removable top which can be removed for access to the interior for removal and replacing of a plastic bag that collects the heavy debris and also for servicing a filter that filters the air on the intake side of the vacuum blower.

    摘要翻译： 硬币操作的真空由两个壳体制成，一个用于安装硬币机构和真空电动机和鼓风机，另一个包括碎屑收集桶和过滤器。 这两个壳体被制成使得它们实际上是防篡改的，并且作为一个单元连接在一起，其中壳体安装操作部件，该操作部件包括从内部牢固地固定到支撑基座的塔架，并且构造成提供 通过拆卸一个安全的拉拔螺栓类型的锁，可以使内部操作部件的轴准备好。 碎屑收集箱具有可移除的顶部，其可以被移除以进入内部，用于移除和更换收集重屑的塑料袋，并且还用于维修过滤真空鼓风机进气侧空气的过滤器。

    Smart straightening press
    2.
    发明授权
    Smart straightening press 失效
    智能矫直机

    公开(公告)号：US4912957A

    公开(公告)日：1990-04-03

    申请号：US345009

    申请日：1989-04-28

    申请人： Paul S. Petersen ,  Virgil C. Hed

    发明人： Paul S. Petersen ,  Virgil C. Hed

    IPC分类号： B21D3/10

    CPC分类号： B21D3/10 ,  Y10S72/702

    摘要： A straightening press of the type wherein a workpiece is supported for deflection in a given direction by an anvil engageable with the workpiece. A reference spring is supported for deflection with the reference spring supports being serially interconnected with the anvil. In a preferred embodiment, a floating bridge carries the anvil and reference spring supports. Deflecting force applied to the reference spring, as by a ram, is transmitted to the workpiece via the floating bridge. A change in the differential displacement of the ram and floating bridge is detected to determine the onset of plastic deformation of the workpiece.

    摘要翻译： 一种矫直压力机，其中工件被支撑以通过可与工件接合的砧在给定方向上偏转。 参考弹簧被支撑用于偏转，参考弹簧支撑件与砧座串联连接。 在优选实施例中，浮桥承载砧和参考弹簧支撑件。 通过柱塞施加到基准弹簧的偏转力通过浮桥传递给工件。 检测冲头和浮桥的差动位移的变化，以确定工件塑性变形的开始。