Inertia pen

Details Inertia pen Inertia pen

1981-10-26

1984-07-24

Bratlie, Steven A.

Coating implements with material supply

Projectable and retractable tool

Projection by movement of implement

401 29, 401 31, B43K 2700, B43K 2400

Patent

active

044615906

ABSTRACT:
Inertia pens, or writing or marking devices wherein the writing or marking element is shifted into the operating position by axial impulse. The kinetic energy of the impulse is transmitted to a calibrated mass slide within the pen which slide transfers its energy to the writing or marking element. A return spring is provided and the pen may be simple, compound, binary or multifunctional. The mass slide obviates the need for a push button or other manual actuator, and therefore writing or marking elements may be provided at both ends. The pen is refillable and retractable.

REFERENCES:
patent: 297041 (1884-04-01), Ward
patent: 2334527 (1943-11-01), Althouse
patent: 3079894 (1963-03-01), Johmann
patent: 3158138 (1964-11-01), Bross
patent: 3602600 (1971-08-01), Kanski

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