Keyboard used as part of instrument panel of aircraft, has sealing component with flexible membrane fixed at rigid key on shoulder and front face which includes opening crossing key

摘要

The keyboard has a rigid key (3) allowing an operator to drive a switch (1) and a front face (4) with an opening (5) crossing the key. A sealing component has a flexible membrane (6) upon which the key transverses. The membrane is fixed on both surface, at the key on a shoulder (8) and the front face. The shoulder strikes against the front face when the operator presses the key.