Matrix print head assembly

Details Matrix print head assembly Matrix print head assembly

1977-06-23

1980-10-28

Coughenour, Clyde I.

Printing

Selective or progressive

Bed and platen machines

400124, B41J 310, B41J 938

Patent

active

042300380

ABSTRACT:
A wire matrix print head assembly in which armatures are mounted between pairs of magnetic pole members and wire printing members with coplanar radially spaced pole member end surfaces facing the direction of movement of the armatures and the wire printing members during printing movement from a non-print position to a print position and the pole member end surfaces providing a first radially innermost pivotal support means engageable with the armature members only during an initial portion of the armature movement and also providing a second radially outermost pivoted support means engageable with the armature members only during a terminal portion of the armature movement.

REFERENCES:
patent: 3187668 (1965-06-01), Marsh
patent: 3266418 (1966-08-01), Russo
patent: 3333667 (1967-08-01), Nordin
patent: 3459976 (1969-08-01), Nyman
patent: 3587456 (1971-06-01), Jaensch
patent: 3714892 (1973-02-01), Perry
patent: 3828908 (1974-08-01), Schneider
patent: 3994381 (1976-11-01), Herbert

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