Control locking installation for motor vehicle doors

Details Control locking installation for motor vehicle doors Control locking installation for motor vehicle doors

1983-03-23

1985-05-28

Wolfe, Robert L.

Locks

Systems

Operation and control

70237, 70280, 292DIG3, 292DIG23, 292DIG25, E05B 6536

Patent

active

045192278

ABSTRACT:
The central locking installation for motor vehicle door locks blocks the locking element of the door lock by means of an additional, separately controllable blocking member. The locking element and the blocking member are driven by separate electrical drives which are connected into mutually parallel-connected current paths of one common drive current circuit. The drive direction of the two drives is controlled by common switches of a pole-changing circuit which reverses the current direction. Into the current path of the drives of the blocking member there is connected a control switch by way of which these drives can be switched on selectively. In the unlocking direction and the unblocking or releasing direction a time control system controllable by means of the door key in the unlocking of the door switches on the drives of the locking element and of the blocking member simultaneously. In the locking of the door lock only the drive of the locking element is switched on in its locking direction. The control switch which switches on the drive of the blocking member in the blocking direction is actuated when the key is turned beyond the locking position of the lock.

REFERENCES:
patent: 3653237 (1972-04-01), Du Rocher
patent: 4342209 (1982-08-01), Kleefeldt
patent: 4364249 (1982-12-01), Kleefeldt

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