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8 条记录 (耗时 0.014 秒)

    Method for plating metallic workpieces, particularly aluminum
    6.
    发明授权
    Method for plating metallic workpieces, particularly aluminum 失效
    金属工件，特别是铝的电镀方法

    公开(公告)号：US3969544A

    公开(公告)日：1976-07-13

    申请号：US549894

    申请日：1975-02-14

    申请人： Edward G. Obeda

    发明人： Edward G. Obeda

    IPC分类号： B23K35/26 ,  C23C2/32 ,  B23K35/12

    CPC分类号： C23C2/32 ,  B23K35/262

    摘要： This invention discloses the plating of a metallic workpiece, particularly aluminum with a layer of tin. The plating is accomplished in the presence of sonic or ultrasonic vibrations at a temperature determined by the phase diagram for a binary alloy to provide for the presence of an alloy interface encompassing both metals. This contrasts with the heretofore achieved adhesive bond.

    摘要翻译： 本发明公开了一种金属工件，特别是具有锡层的铝的电镀。 电镀是在声波或超声振动的存在下，在由二元合金的相图确定的温度下实现的，以提供包含两种金属的合金界面的存在。 这与迄今为止的粘合剂粘合形成对照。

    Dynamic seat-moving and leveling device
    7.
    发明授权
    Dynamic seat-moving and leveling device 失效
    动态座椅移动和调平装置

    公开(公告)号：US6026920A

    公开(公告)日：2000-02-22

    申请号：US089589

    申请日：1998-06-02

    申请人： Edward G. Obeda ,  Denis P. O'Sullivan, deceased

    发明人： Edward G. Obeda ,  Denis P. O'Sullivan, deceased

    IPC分类号： B60G17/019 ,  B60G21/00 ,  B60G23/00

    CPC分类号： B60G17/01908 ,  B60G21/007 ,  B60G2204/423 ,  B60G2300/08 ,  B60G2300/45 ,  B60G2400/0511 ,  B60G2400/10 ,  B60G2401/20

    摘要： A dynamic seat leveling device for a riding lawnmower or tractor has a virtual rotational point located below the leveling device itself. When operated on hilly terrain, such an arrangement accomplishes three objectives: 1) the operator remains level; 2) the operator's center of gravity remains centered directly above a critical balance point which is at ground level, midway between the right and left wheels; and 3) the operator remains at a constant elevation. Keeping the operator at a constant elevation, as the leveling device shifts from one side to the other, minimizes the power that would otherwise be needed to repeatedly raise and lower the operator as the tractor tilts from left to right. Minimizing the power required allows the use of a compact leveling drive that fits between the seat and frame of the tractor.

    摘要翻译： 用于骑马割草机或拖拉机的动态座椅调平装置具有位于调平装置本身下方的虚拟旋转点。 当在丘陵地带运行时，这种安排实现了三个目标：1）运营商保持水平; 2）操作者的重心保持中心位于右侧和左侧车轮中间的地面上的一个临界平衡点的正上方; 和3）操作员保持恒定的高度。 使操作员保持恒定的高度，因为调平装置从一侧向另一侧移动，最小化当拖拉机从左向右倾斜时反复提升和降低操作者所需的功率。 最小化所需的功率允许使用紧凑的调平驱动器，其适合拖拉机的座椅和框架之间。

    High frequency horn with soft metallic coating
    8.
    发明授权
    High frequency horn with soft metallic coating 失效
    高频喇叭与软金属涂层

    公开(公告)号：US4249986A

    公开(公告)日：1981-02-10

    申请号：US120751

    申请日：1980-02-12

    申请人： Edward G. Obeda

    发明人： Edward G. Obeda

    IPC分类号： B06B3/00 ,  B23K1/06

    CPC分类号： B06B3/00 ,  Y10T74/10

    摘要： A horn for operation in the sonic or ultrasonic frequency range and made preferably from aluminum or titanium is provided at its lateral surface with a soft metallic coating which acts as a cushion and/or lubricant when the horn accidentally contacts a juxtaposed horn or mechanical fixture. The soft metallic coating in the described embodiment comprises an alloy of tin and lead which is applied over the nickel plated horn surface.

    摘要翻译： 在声波或超声波频率范围内操作的喇叭，优选地由铝或钛制成，在其侧面上设置有柔软的金属涂层，当金属角意外地接触到并置的喇叭或机械固定装置时，其作为缓冲垫和/或润滑剂。 所述实施例中的软金属涂层包括施加在镀镍喇叭表面上的锡和铅的合金。