Compact ergonomic keyboard

Details Compact ergonomic keyboard Compact ergonomic keyboard

1996-08-28

1998-08-04

Burr, Edgar S.

Typewriting machines

Key-board or key lever-actuating mechanism

Key-board including keys grouped to facilitate positioning...

341 22, B41J 508

Patent

active

057883866

ABSTRACT:
A keyboard includes a first keyboard unit for left hand operation of an operator, a second keyboard unit separable from the first keyboard unit, for right hand operation of the operator, and a fix plate movable between the first and second keyboard units, wherein one of the first and second keyboard units accommodates the fix plate when the first and second keyboard units are separated from each other, the fix plate bridges the first and second keyboard units when the first and second keyboard units are connected with each other to form a single keyboard, and a fixing mechanism is provided for fixing the fix plate upon the first and second keyboard units in the state that the fix plate bridges across the first and second keyboard units.

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patent: 4847798 (1989-07-01), Kurashima
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patent: 5342005 (1994-08-01), Szamada et al.
patent: 5361082 (1994-11-01), Chung
patent: 5424728 (1995-06-01), Goldstein
patent: 5466078 (1995-11-01), Szmanda et al.
patent: 5543787 (1996-08-01), Karidis et al.
patent: 5574481 (1996-11-01), Lee
patent: 5612691 (1997-03-01), Murmann et al.

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