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    • 36. 发明授权
    • Triangular scraper tool
    • 三角刮刀工具
    • US5077897A
    • 1992-01-07
    • US576816
    • 1990-09-04
    • William JubranAndre Carossino
    • William JubranAndre Carossino
    • B23D79/08
    • B23D79/08
    • A scraper tool particularly useful for hand deburring holes as well as concave and straight surfaces includes a scraper blade being integrally formed with a front part, an intermediate part, and a back part joined to a shank at the back end of the scraper blade, which shank is fixed to the handle. The front, intermediate and back parts are all of triangular section and define three exposed, continuous sharp edges extending axially of the scraper blade. These sharp edges converge toward each other at the front part and coming to a point at the front tip of the scraper blade, are parallel to each other at the intermediate part, and converge toward each other at the back part to the juncture with the shank.
    • 特别适用于手工去毛刺孔以及凹面和直线表面的刮刀具有刮刀,该刮刀与前部,中间部分和与刮刀后端接合到柄部的后部一体形成, 柄固定在手柄上。 前部,中间部分和后部都是三角形部分,并且限定了三个暴露的连续的锋利边缘,其沿着刮刀的轴向延伸。 这些锋利的边缘在前部彼此会聚并且到达刮刀前端的一点,在中间部分处彼此平行,并且在后部到达与刀柄的接合处彼此会聚 。