Printing apparatus capable of correcting printed characters by o

Details Printing apparatus capable of correcting printed characters by o Printing apparatus capable of correcting printed characters by o

1985-05-01

1987-09-08

Wright, Jr., Ernest T.

Typewriting machines

Means auxiliary to typewriting function

Means for correcting typing errors

4001442, 400210, 400304, 400903, B41J 1136

Patent

active

046920455

ABSTRACT:
There is disclosed a printing apparatus provided with a mechanism for erasing printed characters by actuating a type font through an erasing ribbon and a mechanism for selecting characters by rotating the type font, wherein the erasure of a printed character is achieved by rotating a type selected from said type font by a determined amount for printing a character in the overlapping manner on the character to be erased.

REFERENCES:
patent: 4114750 (1978-09-01), Baeck et al.
patent: 4176977 (1979-12-01), Shepard, Jr.
patent: 4286889 (1981-09-01), Ebert et al.
patent: 4307971 (1981-12-01), Kane, III et al.
patent: 4311398 (1982-01-01), Gerjets
patent: 4388005 (1983-06-01), Wehking et al.

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