Device for controlling the typing action of a single type carryi

Details Device for controlling the typing action of a single type carryi Device for controlling the typing action of a single type carryi

1980-07-10

1982-06-15

Sewell, Paul T.

Typewriting machines

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

Imprint by pivoting of type-head-carrier and type-head...

4001573, B41J 160, B41J 792

Patent

active

043347916

ABSTRACT:
A device for controlling a type-carrying element in a single unit for typewriters or like machines comprises a stepped cam to execute the hammering action of the type-carrying element with an intensity independent from external factors and manually adjustable for all the characters of the type carrying element, and also, in addition, automatically for some characters of the type-carrying element, particularly for those having a smaller printing area, the stepped cam being provided to effect the hammering action by inertia following the action of a spring suitable to transmit a given initial thrust.

REFERENCES:
patent: 3239049 (1966-03-01), Voit
patent: 3888339 (1975-06-01), Nowak et al.
patent: 3980169 (1976-09-01), Decker et al.

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