Drive mechanism for a small-sized printer

Details Drive mechanism for a small-sized printer Drive mechanism for a small-sized printer

1988-04-21

1989-11-21

Wiecking, David A.

Typewriting machines

Having power-driven operator for plural functions

4001452, 400568, 101 9321, B41J 2334

Patent

active

048818330

ABSTRACT:
In a small-sized printer having hammers provided within a type ring according to the invention, a direction in which the hammer is moved is changeable over selectively so that printing may be carried out in different positions. Also, electronic apparatus is provided which has a hammer mechanism as well as a battery or motor mounted in the type ring so as to miniaturize the apparatus.

REFERENCES:
patent: 723855 (1903-03-01), Frantz
patent: 2617706 (1952-11-01), Jeffrey
patent: 3589494 (1971-06-01), Gloess
patent: 3838638 (1974-10-01), Clary
patent: 4092921 (1978-06-01), McInnis et al.
patent: 4494885 (1985-01-01), Watanabe
patent: 4589787 (1986-05-01), Seki et al.
patent: 4655130 (1987-04-01), Kyogoku et al.
IBM Technical Disclosure Bulletin vol. 18, No. 5, Oct. 1975, "Drum Printer", p. 1330, by Hall et al.

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