Multi-element writing instrument

Details Multi-element writing instrument Multi-element writing instrument

1978-09-08

1980-12-02

Husar, C. J.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to intermittent unidirectional...

166240, F16H 2702

Patent

active

042364183

ABSTRACT:
A multi-element writing instrument is disclosed for use in computer-operated plotters or similar graphics systems. Successive applications of a linear force applied along the axis of the instrument are converted to rotary motion which is employed to select successive elongate writing elements normally positioned at a uniform radial spacing from the axis of the writing instrument. Each selected element is displaced in a substantially axial direction a distance sufficient to extend the writing point of the element through the exit opening of the instrument.

REFERENCES:
patent: 2910876 (1959-11-01), Jackson
patent: 3154147 (1964-10-01), Lanmon
patent: 3223072 (1965-12-01), Bross
patent: 3703104 (1972-11-01), Tamplen
patent: 3869928 (1975-03-01), Ishii et al.

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