Easily removable instrument pen tip

Details Easily removable instrument pen tip Easily removable instrument pen tip

1979-08-20

1982-02-16

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1516

Patent

active

043161979

ABSTRACT:
Easily removable instrument pen tip comprised of a body formed of resilient plastic with an ink passageway adapted to receive and sealingly engage an ink supply tube associated with a pen arm, the other end of which is adapted to receive and sealingly engage an elongated nib element, such as a stylus or fibrous nib. The pen tip body is a flat shaped member in which the passageway lies. The body may converge toward the ink passageway to serve as a visually indicating pointer. The body may also include locators or positioning ribs and reinforcing ribs. Preferably, the body and passageway include bent sections and the nib element and passageway are adapted for engagement only in the bent section passageway.

REFERENCES:
patent: 2176777 (1939-10-01), Tate
patent: 2727802 (1955-12-01), Bowditch
patent: 2829026 (1958-04-01), Pignone
patent: 2995623 (1961-08-01), Scheuzger
patent: 3096742 (1963-07-01), Gill
patent: 3452359 (1969-06-01), Lane
patent: 3778843 (1973-12-01), Tullos
patent: 4017871 (1977-04-01), Hubbard
patent: 4100549 (1978-07-01), Hubbard

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