Typewriter shift mechanism

Details Typewriter shift mechanism Typewriter shift mechanism

1974-10-03

1976-08-03

Shapiro, Paul E.

Textiles: fiber preparation

B41J 2524

Patent

active

039724042

ABSTRACT:
Depressing the upper case shift key lever pivots a balance beam from a first to a second position, thereby raising the lower case shift lever to an inactive position. When the upper case shift key lever is released, the balance beam is returned to its first position, causing the lower case shift lever to fall to its active position.

REFERENCES:
patent: 3565231 (1971-02-01), Dannatt

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