Locks – Systems – Operation and control
Patent
1980-03-24
1982-08-03
Lyddane, William E.
Locks
Systems
Operation and control
70237, 70280, 292DIG3, 292DIG23, 292DIG25, E05B 5300
Patent
active
043422098
ABSTRACT:
A central vehicle door-lock system has several door latches each including a detent movable between a lock position securing the door closed and an unlock position allowing the door to be opened by means of a mechanism inside the door latch. Each of these latches is associated with a servoactuator having an actuator that is engaged via this mechanism with the respective detent and that is in turn moved by an operator. This operator, therefore, can move the actuator and with it the latch detent between lock and unlock positions, and the operator itself is movable by a servomotor into an antitheft position. A lock pawl on the actuator can, in the lock position of the actuator and in the antitheft position of the operator, move from a freeing position permitting displacement of the actuator from the lock to the unlock position into a blocking position preventing such displacement to lock up the entire latch. The servomotors are all controlled by a central switdch which can operate them all jointly between the lock, unlock, and antitheft positions. Thus when the switch is in the antitheft position the mechanisms of the latches cannot displace the detents to the respective unlock positions.
REFERENCES:
patent: 3653237 (1972-04-01), DuRocher
patent: 4135377 (1979-01-01), Kleefeldt et al.
Kiekert GmbH & Co. Kommanditgesellschaft
Lyddane William E.
Ross Karl F.
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