Printing devices

Details Printing devices Printing devices

1975-10-14

1978-02-07

Rader, Ralph T.

Textiles: fiber preparation

101 9305, B41J 304

Patent

active

040722244

ABSTRACT:
A tape printer which is for use with pressure-sensitive paper tape and which prints characters in the form of dots disposed in a 7.times. 7 or 7.times. 5 matrix has its printing elements formed by a stack of seven metal strips. Each of these strips has an associated electromagent and upon energization of any one of these electromagnets the associated strip is moved longitudinally to cause the paper tape to be squeezed between an end of the appropriate strip and a rectilinear edge of a fixed anvil so as to cause a dot to be printed. The dimensions of such a dot are determined in one direction by the width of the operated strip and in the other direction by the width of the edge of the anvil. An electric motor is provided to advance the tape.

REFERENCES:
patent: 2656240 (1953-10-01), Hell
patent: 2658106 (1953-11-01), Hell
patent: 2659652 (1953-11-01), Thompson
patent: 3293653 (1966-12-01), Amada
patent: 3324240 (1967-06-01), Kleinschmidt et al.
patent: 3625142 (1971-12-01), Bresler
patent: 3782278 (1974-01-01), Barnett et al.

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