Ballpoint pen with clicking

Details Ballpoint pen with clicking Ballpoint pen with clicking

1989-01-04

1990-11-06

Johnson, Richard J.

Coating implements with material supply

Solid material for rubbing contact or support therefor

Combined

401194, B43K 2900, B43K 2400

Patent

active

049681680

ABSTRACT:
This invention discloses a ballpoint pen which is capable of generating a "click" sound when the first tube of the pen is rotated over either of two predetermined positions. The ballpoint pen includes a first engaging member, a second engaging member, a medium tube, an ink reservoir tube, a sleeve, a compression spring, a support, and a rod. Thus, the main principle of the present invention is to cause a "click" sound to be produced as the ballpoint of the pen is extended or withdrawn, through the interaction of the first and second engaging members when the first tube of the pen is rotated.

REFERENCES:
patent: 2219769 (1940-10-01), Dorfman
patent: 2693171 (1954-11-01), Lan
patent: 3289636 (1966-12-01), Tessier
patent: 4221491 (1980-09-01), Malm

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