Plotting mechanism mounted on a ribbon cassette for typewriters

Details Plotting mechanism mounted on a ribbon cassette for typewriters Plotting mechanism mounted on a ribbon cassette for typewriters

1987-10-22

1989-06-27

Wiecking, David A.

Typewriting machines

For typing or forming continuous or discontinuous line

By scriber or with scriber guide

400 21, 400207, B41J 2928

Patent

active

048424277

ABSTRACT:
A plotting device for typewriters or office machines of similar construction which comprises a motor driven carriage; a record carrier; a print head; a ribbon in a cassette; a reversible, controllable drive motor for moving the record carrier up and down; the motor driven carriage being movable along the record carrier; the ribbon being housed within the carriage with a portion of the ribbon extending outside of the carriage for being contacted by the print head; the print head being operatively connected to the carriage so that the print head can strike the ribbon and produce a full set of alpha-numeric characters on the record carrier; an X-Y plotting mechanism equpped with styli and being disposed on the cassette; and a control system for moving the styli from a detent position into an operating position with respect to the record carrier.

REFERENCES:
patent: 4259025 (1981-03-01), Jamieson
patent: 4425045 (1984-01-01), Crystal
patent: 4533924 (1985-08-01), Takahishi
patent: 4578685 (1986-03-01), Tanaka et al.

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