UNA LLAVE, EN ESPECIAL PARA ACCIONAR CERRADURAS DE VEHICULOS AUTOMOVILES.

摘要

A key incorporating a light (7) which can be switched on by means of a push-button (4) which moves a button- shaped battery (9) against the action of a spring into engagement with a fixed contact to complete the circuit to the light, has that contact in the form of a ring (21) arranged co-axially with respect to the battery (9).