Print head for a dot matrix printer

Details Print head for a dot matrix printer Print head for a dot matrix printer

1992-08-06

1993-06-01

Burr, Edgar S.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 9305, B41J 225

Patent

active

052153894

ABSTRACT:
A print head for a dot matrix printer has a head body, a plurality of print needles slidably mounted in the head body, a plurality of armatures, each corresponding to the print needle, an electromagnet provided on the head body for attracting a corresponding armature for actuating the print needles. The guide grooves are formed in the head body, corresponding to the armatures. An end portion of the armature is inserted in the guide groove so as to be guided during printing operation.

REFERENCES:
patent: 4569605 (1986-02-01), Meier et al.
patent: 4723854 (1988-02-01), Sakaida et al.
patent: 4828409 (1989-05-01), Sparshott et al.
patent: 4962876 (1990-10-01), Andou et al.
patent: 4979836 (1990-12-01), Stempfle
patent: 4988223 (1991-01-01), Hilkenmeier et al.
patent: 5009529 (1991-04-01), Gugel et al.

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