Bifurcated keyboard arrangement

Typewriting machines – Key-board or key lever-actuating mechanism – Key-board including keys grouped to facilitate positioning...

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Details

400486, 400 82, B41J 510

Patent

active

052287912

ABSTRACT:
A keyboard arrangement in which a conventional keyboard is divided into two sections, each of which is separately supported on a joint which is freely rotatable and pivotable. The joint in turn may have a supporting base adapted to rest on or to be clamped to a table top or other support surface. Alternatively, the joints supporting the respective keyboard sections may be mounted on a supporting based member, which may have an adjustable width so that the separation between the two keyboard sections can be varied.

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patent: 4661005 (1987-04-01), Lahr
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patent: 5067834 (1991-11-01), Szmanda et al.
patent: 5068961 (1978-01-01), Ebner et al.
patent: 5073050 (1991-12-01), Andrews
patent: 5122786 (1992-06-01), Rader

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