Printer having an erasing mechanism

Details Printer having an erasing mechanism Printer having an erasing mechanism

1989-07-21

1991-07-02

Burr, Edgar S.

Typewriting machines

Means auxiliary to typewriting function

Means for correcting typing errors

400697, 4006971, B41J 1160

Patent

active

050281577

ABSTRACT:
A printer has a mechanism for erasing a printed character by impacting a type through an erasing ribbon, and a stepping motor for rotating a type wheel to select a character. In an erasing operation, the type wheel is rotated by the stepping motor by a small rotation angle so that the type is superpositioned on the printed character.

REFERENCES:
patent: 3746958 (1973-07-01), Leenhouts
patent: 4153866 (1979-05-01), Leenhouts
patent: 4286889 (1981-09-01), Ebert et al.
patent: 4307971 (1981-12-01), Kane, III et al.
patent: 4311398 (1982-01-01), Gerjets
patent: 4361410 (1982-11-01), Nakajima et al.
patent: 4388005 (1983-06-01), Wehking et al.
patent: 4464071 (1984-08-01), Sakakibara
patent: 4692045 (1987-09-01), Makita
Elektrie, vol. 28, No. 4, pp. 191-193, (1974).

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