초록 ▼

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 por

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.

대표청구항 ▼

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 the implement tip is held therein, the holder comprising (a) a first re

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 the implement tip is held therein, the holder comprising (a) a first receiving portion of a polygonal cross section keyed to the polygonal part, the first receiving portion including (1) an annular bottom wall engaging an end face of the polygonal implement tip part, and (b) 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 (1) 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.