Off-center point marker tip

Details Off-center point marker tip Off-center point marker tip

1997-01-16

1999-04-27

Bratlie, Steven A.

Coating implements with material supply

Material flows through porous tool

Wick feed from within reservoir to tool

401198, B43K 112, B43K 802

Patent

active

058972641

ABSTRACT:
An improved marker tip for use in a writing instrument and being of the general type formed of a fibrous and porous material. The tip has a generally elongated body of circular cross section and includes conically-shaped marker surfaces on each of its ends. The converging end of each conically-shaped marker surface is positioned slightly off-center with respect to a central axis of the tip such that each marker surface is comprised of a variety of radial marker widths as well as a writing point. All such radial marker widths are inclined at equal angles with respect to the central axis such that the marker tip, and associated writing instrument, may be held at a single angle with respect to a marking surface when drawing lines of varying widths.

REFERENCES:
patent: 2453201 (1948-11-01), Cushman
patent: 3133307 (1964-05-01), Steinberg et al.
patent: 3610766 (1971-10-01), Herrnring
patent: 3639070 (1972-02-01), Davidson
patent: 3684389 (1972-08-01), Eron et al.
patent: 3814526 (1974-06-01), Lotfallah
patent: 4622985 (1986-11-01), Jankewitz
patent: 5074455 (1991-12-01), Peana et al.
patent: 5342136 (1994-08-01), Fukami
patent: 5358349 (1994-10-01), Burroughs et al.

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