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US 2003/0143010 A1Published application
Expandable and contractible keyboard device
AssigneeRAST Associates, LLC
InventorRoy J. Lahr
Life of this patent
Estimating the term…
Abstract
An expandable keyboard includes a plurality of expandable keytops, a keyswitch corresponding to each keytop and a force vectoring device arranged between each keytop and corresponding keyswitch. The force vectoring device is configured to direct force applied to any portion of the keytop to the keyswitch.
Claims18
A keyboard device, comprising:
- a web including a plurality of keytops, the web expandable and contractible between an expanded position and a contracted position;
- a plurality of keyswitches;
- and
- a force-vector device arranged between the keytops and the keyswitches, the force-vector device configured to transmit a force from the keytop toward a respective keyswitch in the expanded position and the contracted position.
1 more element
Dependencies are inferred from the claim text.