Hammer actuated dot matrix pattern printer

Details Hammer actuated dot matrix pattern printer Hammer actuated dot matrix pattern printer

1976-08-10

1978-01-17

Rader, Ralph T.

Printing

Selective or progressive

Bed and platen machines

197 1R, G02B 512

Patent

active

040685837

ABSTRACT:
A dot matrix pattern printer of the impact type mainly comprises a hammer of which an active portion is flattened to have a predetermined length in the lateral direction, and a vertical line element which has a predetermined length in the vertical direction and is driven to shift its position in the lateral direction. Combination of the hammer actuation, the vertical line element location, and a paper feed in the vertical direction provides a printed pattern in, for example a 5 .times. 7 dot matrix pattern.

REFERENCES:
patent: 2656240 (1953-10-01), Hell
patent: 3444975 (1969-05-01), Simshauser
patent: 3812495 (1974-05-01), Venker
patent: 3918567 (1975-11-01), Kittredge

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