Patent ID: 6899361

Claim:
A self-latching lock ( 1 ) comprising a bolt ( 2 ), a catch ( 3 ), an auxiliary catch pin ( 4 ) and a reciprocator ( 5 ), in which the bolt ( 2 ) that can be operated via a latch nut ( 6 ) or a closing thruster is preloaded, when a door is open, by an elastic element ( 7 ) for a locking action and, when a door leaf is engaged in a door rabbet, is released into its locking position by an action of at least the auxiliary catch pin ( 4 ), said latch nut ( 6 ) is multipart and permits a deactivation of a nut-idling device ( 8 ) and thereby a temporary activation of the function of outer and inner door handles by an electrically operated remote-controlled actuation, the multipart latch nut ( 6 ) comprises an outer nut body ( 60 ) with two arms ( 61 , 62 ) for operating the catch ( 3 ) and the bolt ( 2 ), respectively, as well as two hubs ( 63 ), 64 ), each connected with a square section of the outer and inner door handle and coasially and rotatably positioned parallel to each other inside the outer nut body ( 60 ), and the nut-idling device ( 8 ) constitutes a coupling between the hubs ( 63 , 64 ) and the outer nut body ( 60 ) which by means of actuators ( 71 , 72 ) permits disengageent for each hub ( 63 , 64 ), the coupling between the hubs ( 63 , 64 ) and the outer nut body ( 60 ) includes in each hub a carrier pin ( 65 , 66 ) with a rounded end, radially protruding outward in spring-loaded fashion from the hub into a respective one of tracks ( 67 , 68 ) recessed into the perimeter of the outer nut body ( 60 ) by an angle of about 50° and extending close to a respective one of stop-shaped ends ( 69 , 70 ) of the recessed track ( 67 , 68 ) and that the coupling is deactivated by engagement of the actuators ( 71 , 72 ), with a sloped front side opposite the rounded end of a respective carrier pin, in a respective interstitial space between the stops ( 69 , 70 ) and the carrier pins ( 65 , 66 ) that pushes the carrier pins back into the hub ( 63 , 64 ) when the hub is moved.