Back to results
US 5,642,950 AGranted
Keyboard with a protective foil
AssigneePreh-Werke GmbH & Co. KG
InventorsGerhard Hochgesang, Werner Lorz
Life of this patent
Estimating the term…
Abstract
A keyboard has a protective foil which is a formed part to have dome-shaped vaults extending upwardly from a foil floor at respective individual keys of the keyboard. The protective foil is inverted (dome interiors open downwardly) so that the keys are respectively arranged relative to the vaults (8) and replaceable caps (9) are snapped onto the vaults and keys.
Claims8
A keyboard having individual keys with a protective foil for use in cash registers and the like, of a type in which the protective foil is supported above the keys of the keyboard by a housing;
- wherein:
- the protective foil has a substantially uniform thickness of between 50 .mu.m and 100 .mu.m and is a formed part to have dome-shaped vaults extending upwardly from a foil floor at respective individual keys;
- each key is arranged to extend inside a cavity formed by a respective vault;
- wherein is further included replaceable caps for respective keys which are mounted on the respective keys above the foil of the respective vaults so that the dome-shaped vaults are between the caps and the keys.
1 more element
Dependencies are inferred from the claim text.