Locks – Systems – Operation and control
Patent
1998-03-30
2000-08-29
Gall, Lloyd A.
Locks
Systems
Operation and control
292201, 292DIG23, 292DIG27, E05B 6536, E05C 306
Patent
active
061090794
ABSTRACT:
A vehicle door latch device comprises a locking lever displaceable between locked and unlocked positions, an antitheft member displaceable between an antitheft position for disabling an unlocking operation of an inside locking button and an antitheft cancelling position, a motor for changing the locking lever into the locked position by a predetermined amount of normal rotation thereof and for changing the antitheft member into the antitheft position by a continuous normal rotation thereof beyond the predetermined amount, a controller for carrying out a locking operation and an antitheft operation, and a power supplying circuit having a normal rotation circuit for supplying power to the motor for normal rotation and a brake circuit for causing the motor to generate electrical brake. The motor is connected to the brake circuit after the locking lever is changed into the locked position by the locking operation.
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Gall Lloyd A.
Mitsuo Kinzoku Kogyo Kabushki Kaisha
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