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热词
    • 8. 发明授权
    • Releasable protective holder for a writing implement
    • 用于书写工具的可释放保护支架
    • US4493575A
    • 1985-01-15
    • US437104
    • 1982-10-27
    • Otto Mutschler
    • Otto Mutschler
    • B43K23/08B43K23/00B43M99/00B43K13/00
    • B43M99/007B43K23/00
    • A releasable protective holder for a tip of a writing or drafting implement including a polygonal part, a cylindrical part extending therefrom and a writing or drafting tube on the cylindrical part extending into the holder when theimplement tip is held therein, which comprises a first receiving portion of a polygonal cross section keyed to the polygonal part, the first receiving portion including an annular bottom wall engaging an end face of the polygonal implement tip part, and a second, tubular receiving portion extending from the annular bottom wall of the first receiving portion to a free end thereof, the tubular receiving portion yieldingly surrounding the cylindrical part of the implement tip and defining a bore having at the free end of the bore a diameter smaller than the diameter of the cylindrical part for releasably clamping the implement tip in the protective holder.
    • 一种用于书写或起草器具的尖端的可释放的保护保持器,包括多边形部分,从其延伸的圆柱形部分和当所述实施尖端保持在其中时延伸到所述保持器中的所述圆柱形部分上的书写或牵伸管,其包括第一接收部分 所述第一容纳部分包括与所述多边形器具尖端部分的端面接合的环形底壁,以及从所述第一接收部分的所述环形底壁延伸到第二接收部分的第二管状容纳部分, 其自由端,管状接收部分屈曲地围绕器具尖端的圆柱形部分并且限定孔,其在孔的自由端具有小于圆柱形部分的直径的直径,用于将工具尖端可释放地夹持在保护架中 。