Sealed keyboard

Details Sealed keyboard Sealed keyboard

H - Electricity

01

H

H01H 13/70 (2006.01) H01H 13/06 (2006.01) H01H 13/702 (2006.01)

Patent

CA 2502045

The invention concerns sealing conditions for a keyboard. The invention is particularly, but not exclusively, applicable to a keyboard fitted on an aircraft instrument panel. The keyboard comprises at least one switch (1), one rigid key (3) allowing an operator to control the switch (1), one front surface (4) including an opening (5) traversed by the rigid key (3), and sealing means preventing particles from infiltrating into the rigid key (3) and the opening (5). The invention is characterized in that the sealing means comprise a flexible membrane (6) traversed by the rigid key (3), attached to the key (3) and to the front surface (4).

L'invention se rapporte à l'étanchéité d'un clavier. L'invention trouve une utilité particulière mais non exclusive dans un clavier équipant une planche de bord d'aéronef. Le clavier comporte au moins un interrupteur (1), une touche rigide (3) permettant à un opérateur de manoeuvrer l'interrupteur (1), une face avant (4) comportant une ouverture (5) traversée par la touche rigide (3), et des moyens d'étanchéité empêchant des particules de pénétrer entre la touche rigide (3) et l'ouverture (5). Selon l'invention, les moyens d'étanchéité comportent une membrane souple (6) traversée par la touche rigide (3), fixée à la touche (3) et à la face avant (4).

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