DOOR LOCK DEVICE FOR VEHICLE

PURPOSE:To perfectly and surely prevent to forget operation of a door locking device by automatically making the door lock device to be in locking condition at wearing a seat belt. CONSTITUTION:A seat belt buckle switch 20 is provided to generate a wearing signal S1 when the seat belt of a driver�...

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Bibliographic Details
Main Authors KOSHIMOTO TOSHIKAZU, TAKAYAMA MASATOSHI
Format Patent
LanguageEnglish
Published 18.06.1990
Subjects
ACCESSORIES THEREFOR
FIXED CONSTRUCTIONS
HANDCUFFS
KEYS
LOCKS
PERFORMING OPERATIONS
REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES
SAFES
TRANSPORTING
VEHICLES IN GENERAL
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
WINDOW OR DOOR FITTINGS
WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES
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Summary:PURPOSE:To perfectly and surely prevent to forget operation of a door locking device by automatically making the door lock device to be in locking condition at wearing a seat belt. CONSTITUTION:A seat belt buckle switch 20 is provided to generate a wearing signal S1 when the seat belt of a driver's seat is worn, and the switch 20 is connected to the input terminal of the AND circuit 21 in a control unit 7. A drive's seat door switch 22 provided on the door at the driver' seat is connected to another input terminal of the AND circuit 21. In the above-stated constitution, when the lock device is in unlock condition, the doors of all seats are closed, and additionally the seat belt is worn, locking motion in the lock device is automatically performed after a prescribed time. Consequently, in the door lock device of a vehicle in this invention, forgetting to operate the door lock device can be perfectly prevented.
Bibliography:Application Number: JP19880311033