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    • 32. 发明申请
    • SHEET MATERIAL LIFTS
    • 物资资料
    • US20110091303A1
    • 2011-04-21
    • US12826573
    • 2010-06-29
    • William Matthews
    • William Matthews
    • E04G21/18B66F3/00B66F11/00E04G21/14
    • E04F21/1894E04G21/167
    • sheet material lifts including an elongate body extending along a longitudinal axis between a first end and a second end, a foot extending transverse the longitudinal axis from the second end of the elongate body, a support element disposed on the foot distal the elongate body, a base defining a fulcrum coupled to the foot, and an arm extending transverse the longitudinal axis from the elongate body at a position intermediate the first end and the second end. In some examples, the arm includes a sleeve, and a shaft slidingly mounted within the sleeve, the shaft being configured to slide along a path between a retracted position proximate the elongate body and an extended position distal the elongate body.
    • 板材升降机包括沿第一端和第二端之间的纵向轴线延伸的细长体,从所述细长体的第二端横向于纵向轴线延伸的脚,在所述细长体的远侧设置的支撑元件, 基部,其限定了联接到所述脚的支点,以及在所述第一端和所述第二端的中间位置处从所述细长主体横向延伸的臂。 在一些示例中,臂包括套筒和滑动地安装在套筒内的轴,该轴构造成沿着靠近细长主体的缩回位置和远离细长主体的延伸位置之间的路径滑动。
    • 33. 发明申请
    • METHOD OF PULSE WELDING AND CONTACT TIP THEREFOR
    • 脉冲焊接方法及其接点
    • US20070181552A1
    • 2007-08-09
    • US11735165
    • 2007-04-13
    • William MatthewsBryan Nelson
    • William MatthewsBryan Nelson
    • B23K9/28
    • B23K9/287
    • A contact tip for a welding gun having a central passage for a welding wire moving in a given direction toward a workpiece and receiving a welding signal by contact of the wire with the tip. The passage has an innermost end, an outermost exit end and a length of at least 1.5 inches and an opening in the contact tip intersects the passage so a pressure block slidably mounted in the opening is biased toward the wire by a spring around the contact tip urging the block against the wire. This tip is dimensioned and constructed to perform pulse welding by a relatively ductile aluminum wire.
    • 一种用于焊枪的接触头,其具有用于焊丝的中心通道,用于沿给定方向朝向工件移动,并且通过接触导线与尖端接收焊接信号。 通道具有最内端,最外侧的出口端和至少1.5英寸的长度,并且接触尖端中的开口与通道相交,使得可滑动地安装在开口中的压力块通过围绕接触尖端的弹簧被偏压到线 推动块抵抗线。 该尖端尺寸和构造为通过相对延性的铝线进行脉冲焊接。