Motor-vehicle door latch with antitheft override

Details Motor-vehicle door latch with antitheft override Motor-vehicle door latch with antitheft override

1989-08-04

1990-12-04

Wolfe, Robert L.

Closure fasteners

Bolts

Swinging

292216, 70264, E05C 306

Patent

active

049748866

ABSTRACT:
A motor-vehicle door latch for use on a vehicle door having inside and outside handles and inside and outside locking elements has a housing, a latch fork pivotal on the housing and engageable in a locking position with a door bolt to retain same and lock the door, inside and outside operating levers pivoted on the housing and connected to the respective handles, and inside and outside locking levers pivoted on the housing and connected to the respective locking elements. An actuating lever operatively engageable with the fork can release same from the locking position and a link coupled to the locking levers is displaceable thereby between a position coupling the outside operating lever to the actuating lever for displacement of the fork out of the locking position by actuation of the outside operating lever and a position decoupling the outside operating lever from the actuating lever. Thus in the decoupling position actuation of the outside operating lever will not unlock the door. A central actuating unit has motor whose spindle carrier a nut that can move an antitheft lever into an antitheft position. Mechanism connected between the antitheft lever, the inside levers, and the link decouples the inside levers from the actuating lever in the antitheft position of the antitheft lever. Thus in the antitheft position actuation of the inside operating lever will not be able to release the fork and actuation of the inside locking lever will not unlock the door.

REFERENCES:
patent: 4304249 (1982-12-01), Kleefeldt
patent: 4342209 (1982-08-01), Kleefeldt
patent: 4440006 (1984-04-01), Kleefeldt

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