Ribbon feed and elevating mechanism for typewriters or similar m

Details Ribbon feed and elevating mechanism for typewriters or similar m Ribbon feed and elevating mechanism for typewriters or similar m

1982-01-27

1983-10-25

Pieprz, William

Typewriting machines

Including interposed inking device for record-medium

Including mechanism for shifting ribbon laterally at...

400216, 4002361, 4006971, B41J 3318, B41J 3514

Patent

active

044115415

ABSTRACT:
A ribbon feed and elevating mechanism is so constructed that active parts for incrementally feeding and for elevating a ribbon from a rest position into one or more working positions form one structural unit mounted on a common shaft thereby providing a compact, easy to assemble unit for association with a typewriter of the type having a print element supported on a movable carriage. Due to the interaction of a lifting lever with a control lever and a pivoting lever to which a ribbon guide is linked, it is possible in a simple manner to raise the ribbon alternately into two different reproduction levels. A rocker, arm also mounted on the common shaft, serves to establish the increment of feed by which ribbon is to be advanced.

REFERENCES:
patent: 3397767 (1968-08-01), Hobbs
patent: 3648818 (1972-03-01), Scheinpflug
patent: 3841459 (1974-10-01), Buschmann et al.
patent: 4172672 (1979-10-01), Oddicini et al.
patent: 4309118 (1982-01-01), Terashima

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