Electrical key connection for expandable keyboard

Typewriting machines – Key-board or key lever-actuating mechanism – Key-cap or key-stem structure

Patent

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Details

361680, 400490, B41J 516

Patent

active

060684178

ABSTRACT:
An alphanumeric keyboard whose keys are mounted on a scissor-linkage and have interlocking sides that allow said keyboard to contract to a width that is considerably less than the width of a standard desktop computer keyboard and which is operable when open or closed.

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