Disposable markers adapted for constant width and close proximit

Details Disposable markers adapted for constant width and close proximit Disposable markers adapted for constant width and close proximit

1980-09-29

1982-06-29

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

346 49, G01D 1516

Patent

active

043374719

ABSTRACT:
Convenient disposable marker tip design minimizes marker passing distance and provides a constant width trace line independent of the angle at which the marker tip engages the writing surface. The marker tip comprises a nib shank, surrounding and supporting a nib having a partially spherical tip. The nib shank is shaped to provide maximum coverage of the nib surface and minimum passing distance between adjacent nib tips.

REFERENCES:
patent: 3480372 (1969-11-01), Kenny
patent: 3611430 (1971-10-01), Watchorn
patent: 3644933 (1972-02-01), Tullos
patent: 3778840 (1973-12-01), Dahl
patent: 4024547 (1977-05-01), Raahauge
patent: 4048640 (1977-09-01), Caldwell
patent: 4100549 (1978-07-01), Hubbard
patent: 4282536 (1981-08-01), Paschen

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