Locks – Systems – Operation and control
Patent
1996-05-21
2000-05-23
Gall, Lloyd A.
Locks
Systems
Operation and control
70277, 292201, 307 102, E05B 6536
Patent
active
060653159
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.
REFERENCES:
patent: 4364249 (1982-12-01), Kleefeldt
patent: 4454776 (1984-06-01), Barge
patent: 5054300 (1991-10-01), Nakahara et al.
patent: 5419596 (1995-05-01), Okada et al.
patent: 5534846 (1996-07-01), Kuroda
patent: 5603537 (1997-02-01), Amano et al.
Hoshikawa Tsuguo
Inoue Hisashi
Gall Lloyd A.
Mitsui Kinzoku Kogyo Kabushiki Kaisha
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