Expandable keyboard for small computers and the like

Details Expandable keyboard for small computers and the like Expandable keyboard for small computers and the like

1998-03-18

1999-08-17

Burr, Edgar

Typewriting machines

Key-board or key lever-actuating mechanism

Key-cap or key-stem structure

400489, B41J 510

Patent

active

059383534

ABSTRACT:
An alphanumeric keyboard whose keys have interlocking side edges and are mounted on a scissor-linkage that allows said keyboard to contract to a width that is much narrower than the width of a standard desktop computer keyboard.

REFERENCES:
patent: 3900712 (1975-08-01), Fukao

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