Method and apparatus for indexing the print hammer of typewriter

Details Method and apparatus for indexing the print hammer of typewriter Method and apparatus for indexing the print hammer of typewriter

1986-04-23

1987-12-01

Pearson, Charles A.

Typewriting machines

Including type-set-assemblage mounted on carrier and...

Including type-faces movable relative to type-face-carrier

400147, 400322, 400328, B41J 914, B41J 116

Patent

active

047100427

ABSTRACT:
A method and apparatus for indexing the print hammer of typewriters or the like having a carriage supported type matrix positionable in X-Y directions to present a selected character for printing wherein the matrix positioning motor is used to index the hammer in advance of matrix positioning movement.

REFERENCES:
patent: 3422945 (1969-01-01), Bethune
patent: 3651914 (1972-03-01), Locke
patent: 3688035 (1972-08-01), Cless
patent: 3696204 (1972-10-01), Wallskog
patent: 3927753 (1975-12-01), Donovan et al.
patent: 4436031 (1984-03-01), Hori
patent: 4461588 (1984-07-01), Watanabe et al.
patent: 4538932 (1985-09-01), Takenoya et al.

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