Selector system for a type-bearing element of an office machine

Details Selector system for a type-bearing element of an office machine Selector system for a type-bearing element of an office machine

1974-12-26

1976-05-18

Grieb, Wm. H.

Textiles: fiber preparation

197 18, B41J 2302

Patent

active

039571491

ABSTRACT:
A selector system for a type-bearing element of a typewriter, accounting machine or other office machines, wherein a positioning member for the type-bearing element is positioned positively by a series of cam followers movable by a corresponding series of cyclically actuated cams and controlled by selectively settable stop elements. The type-bearing element comprise a shell on which the types are distributed in rows and columns. The shell is rotatable on a support sleeve provided with two side walls external to the shell. The types are distributed in two groups selectable by a transport mechanism connected to the type-bearing element through differential gears controlled by a bistable spring and two stop elements.

REFERENCES:
patent: 892891 (1908-07-01), Richards
patent: 2847105 (1958-08-01), Carroll
patent: 2926768 (1960-03-01), Becker et al.
patent: 3770095 (1973-11-01), Guerrini et al.
patent: 3780845 (1973-12-01), Boyden

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