Expansion electronic equipment

Details Expansion electronic equipment Expansion electronic equipment

1988-09-27

1989-07-11

Pearson, Charles

Typewriting machines

Means auxiliary to typewriting function

Frame, casing, or support for typewriter

174 35R, 365 53, B41J 2902

Patent

active

048465968

ABSTRACT:
An expansion electronic equipment adapted to be attached to a main electronic equipment comprises locking means fixed to one end of the expansion electronic equipment and adapted to be locked by the main electronic equipment, opening means formed at the other end of the expansion electronic unit spaced from the one end, and fixing means having a head of a larger diameter than a diameter of the opening means and a flange of a larger diameter than the diameter of the opening means. The fixing means fixes the expansion electronic equipment to the main electronic equipment by engaging to the opening means by the head and the flange.

REFERENCES:
patent: 3927397 (1975-12-01), Chow et al.
patent: 4339628 (1982-07-01), Marcantonio et al.
patent: 4388010 (1983-06-01), Mott et al.
patent: 4481556 (1984-11-01), Berke et al.
patent: 4482981 (1984-11-01), Morimoto et al.

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