Writing instrument operated by a finger at a holding position

Details Writing instrument operated by a finger at a holding position Writing instrument operated by a finger at a holding position

1991-01-30

2000-08-01

Walczak, David J.

Coating implements with material supply

Projectable and retractable tool

Including retraction spring and projected-position retainer

401110, 401 99, B43K 2402

Patent

active

060957069

ABSTRACT:
A writing instrument operated by a finger at a holding position comprising a hollow body for containing at least one refill, in which each refill is always forced toward a retracted position in the hollow body, and is moved between the writing position and a resting position by means of a cam mechanism which is operated by an actuating knob provided at a position near the portion of the hollow body to be grasped by a user's finger-tips.

REFERENCES:
patent: 3079894 (1963-03-01), Johmann
patent: 3558233 (1971-01-01), Zepell
patent: 3724960 (1973-04-01), Hashimoto, et al.
patent: 4381158 (1983-04-01), Gerganese

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