Ball-point pen

Details Ball-point pen Ball-point pen

1983-07-18

1986-02-25

Bratlie, Steven A.

Coating implements with material supply

Projectable and retractable tool

Including retraction spring and projected-position retainer

401113, 401114, B43K 712, B43K 2404

Patent

active

045726884

ABSTRACT:
A ball-point pen is disclosed, having a push button which can be displaced to a limited extent in longitudinal direction of the ball-point pen housing so as to extend the cartridge which is urged by spring in the inward direction, and having a detent means for locking the inwardly-pushed position of the push button. In order to obtain a simple structural form as well as a mechanism which operates trouble-free, it is proposed that the push button be developed as a slide plate and have on its wide side a tongue cut therefrom which extends resiliently transversely out of the wide side and bears the detent tooth of the detent means.

REFERENCES:
patent: 2748748 (1956-06-01), Lovejoy
patent: 2933067 (1960-04-01), Larson
patent: 3093921 (1963-06-01), Peterson
patent: 3951554 (1976-04-01), Jonkers
patent: 4140408 (1979-02-01), Mizutani

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