Wire dot-printing head

Details Wire dot-printing head Wire dot-printing head

1986-01-15

1987-09-08

Sewell, Paul T.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 9305, 335274, B41J 312

Patent

active

046920439

ABSTRACT:
A wire dot-printing head has an armature, a printing wire fixedly mounted on a tip end of the armature, a leaf spring fixedly mounted in one end thereof on a rear end of the armature and fixed in the other end, a spring branch part provided on the leaf spring in the vicinity of the fixed end of the leaf spring, and an adjusting screw adjustable from the outside to be brought into close contact with the spring branch part for deflecting the leaf spring for thereby adjusting a deflection of the leaf spring and thereby an impact force of the printing wire.

REFERENCES:
patent: 3672482 (1972-06-01), Brumbaugh
patent: 4225250 (1980-09-01), Wagner et al.
patent: 4368353 (1983-01-01), Ando
patent: 4411538 (1983-10-01), Asano
patent: 4433926 (1984-02-01), Isobe
patent: 4449836 (1984-05-01), Yamada

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