Plotting machine

Details Plotting machine Plotting machine

1987-05-29

1989-05-23

Pearson, Charles

Typewriting machines

For typing or forming continuous or discontinuous line

By scriber or with scriber guide

400320, 400322, 400354, 346139R, B41J 2530

Patent

active

048325120

ABSTRACT:
The structural base unit of the machine is made of a one-piece shaped beam (40) which extends along a first direction (Y) with a first portion (41) which, due to its own stiffness, supports and guides the carriage (12) carrying the writing head (11) along its translational motion in the first direction (Y), and with second and third portions (45) which defines supporting surfaces for the drum (20) driving the printing medium in a second direction (X) perpendicular to the first direction (Y). Guiding of the carriage (12) is ensured by rails (43, 44) formed integral with the beam or attached to it, and a slot (50) cut in the shaped beam (40) along the action area of the writing head for providing a passage for the printing medium and its engagement with the drum (20).

REFERENCES:
patent: 3356199 (1967-12-01), Robinson
patent: 4072101 (1978-02-01), Garcia et al.
patent: 4177471 (1979-12-01), Mitchell
patent: 4369453 (1983-01-01), Brandt
patent: 4445798 (1984-05-01), Munehiro
patent: 4511905 (1985-04-01), Ulvila
patent: 4512505 (1985-04-01), Westly et al.
patent: 4526486 (1985-07-01), Kikuchi et al.
Patent Abstracts of Japan, vol. 6, No. 125, Jul. 10, 1982.fwdarw.Jap. Pat. Pub. 57-52818, 3/1982.
Hewlett-Packard Journal, vol. 32, No. 10, Oct. 1981.

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