| 摘要 |
<p>PURPOSE:To prevent a door from being remained inadvertentely unlocked or a key from being inadvertentely remained in a keyhole, by actuating an alarm when a car is traveling with the engine key in the keyhole while the door is inadvertentely unlocked, or when the car has stopped and the driver goes out from the car with the key inadvertentely remained in the keyhole. CONSTITUTION:An electrical conductor 1 is provided on the body of a door lock apparatus, and another electrical conductor 2 that will be in electrically contact with the conductor 1 when the door lock is released is provided on the working side of the door lock apparatus. The electrical conductors 1, 2, the engine key insertion hole 3 that will throw a current when a key is inserted, and the alarm 4 are connected through electrical conductive lines 5.</p> |
