Print hammer for high speed impact printer

Details Print hammer for high speed impact printer Print hammer for high speed impact printer

1979-12-26

1982-03-16

Coven, Edward M.

Typewriting machines

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

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

4001443, 4001572, 101 9348, B41J 124

Patent

active

043198490

ABSTRACT:
A print hammer for a high speed impact printer using a movable type-face-carrier, e.g., a rotatable printwheel. The print hammer is designed to enable rotating the printwheel for character selection purposes during the return stroke of the print hammer from impact position back to its rest position. While the print hammer moves in a plane perpendicular to the printer platen, back to rest position, pivotal and cam means cooperate to lift the hook shaped hammer head up and over the printwheel, therefore continuously clearing the path of said rotatable printwheel.

REFERENCES:
patent: 3574326 (1971-04-01), Koehn
patent: 3651915 (1972-03-01), Folkens
patent: 3651916 (1972-03-01), Becchi
Meier, IBM Tech. Discl. Bulletin, vol. 16, No. 6, 11-73, pp. 1693-1694.

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