Printing apparatus

Details Printing apparatus Printing apparatus

1982-08-13

1984-01-03

Sewell, Paul T.

Typewriting machines

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

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

400142, B41J 110, B41J 154

Patent

active

044239700

ABSTRACT:
Printing apparatus for printing characters in a line on paper has a print drum arranged horizontally with respect to the paper and is formed having the indexing means and the translational drive means affixed to the frame to greatly decrease the mass of the assembly. An actuator is arranged inside the print drum and a hammer arm extends at a 45.degree. angle up and into the print drum to contact the actuator thereby driving a selected character outward into contact with the paper. The print drum includes rings having T-shaped characters slidably retained therein in a radial fashion. The characters are retained in the ring by means of a unitary elastic band which passes through slots formed in each type carrier.

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patent: 3892303 (1975-07-01), Willcox
patent: 4019615 (1977-04-01), Gerry
patent: 4176888 (1979-12-01), Teramachi

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