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发明授权
CN1829588B 具有改进方形驱动器过渡部的砧座的冲击扳手 失效 - 权利终止 复审申请

具有改进方形驱动器过渡部的砧座的冲击扳手
摘要：
一种适合于容放在冲击扳手之中的砧座，包括圆体和方头。该方头形成在该圆体的一端。锥坡从该圆体到该方头延伸。圆弧形成在该锥坡中。该圆弧通过在该锥坡处材质的移除来定义。
摘要（英）：

An anvil adapted to be received within an impact wrench comprises a round body and a square head. The square head is formed at an end of the round body. A tapered ramp extends from the round body to the square head. A radius is formed in the tapered ramp. The radius is defined by a removal of material in the tapered ramp.

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