Writing instrument with signaling cap

Details Writing instrument with signaling cap Writing instrument with signaling cap

1985-01-14

1986-12-09

Bratlie, Steven A.

Coating implements with material supply

With signal or indicator

401192, 401202, 401213, 401243, 401247, 401262, 401269, B43K 900

Patent

active

046277579

ABSTRACT:
An indicating cap for a writing instrument has an insert with a blind passage adapted to fit over the tip of e.g. a felt or fiber tip pen or marker and axially movable in a sleeve forming a cap between two limiting positions. One of these positions is defined by a spring detent shoulder against which a shoulder of the insert abuts when the cap is withdrawn from the writing implement. When the cap is thrust properly onto the writing implement the insert is pressed into its second position in which a pin of appropriate color is visible through an end of the sleeve where the projecting pin can be protected by a hood or basket.

REFERENCES:
patent: 969198 (1910-09-01), Sanford
patent: 1838543 (1931-12-01), Goldstein
patent: 2339514 (1944-01-01), Ponath
patent: 2396866 (1946-03-01), Lytton
patent: 2453491 (1948-11-01), Cardin
patent: 2808670 (1957-10-01), Katz
patent: 3565540 (1971-02-01), Andrews
patent: 3802788 (1974-04-01), Danjczek

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