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Door lock for a motor vehicle

  • US 6,705,649 B1
  • Filed: 09/28/2001
  • Issued: 03/16/2004
  • Est. Priority Date: 07/23/1999
  • Status: Expired due to Fees
First Claim
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1. A motor-vehicle door latch comprising:

  • a pivotal latch member;

    a pawl operable to hold and release the latch member;

    an actuating system;

    a latching lever coupled to the actuating system and having an unlocking formation and a locking formation;

    a one-piece central-locking element between the latching lever and the pawl and pivotal about an element axis between a locked position, an unlocked position, and an antitheft position, the central-locking element being formed with radially outwardly open first and second adjacent fork seats and having a central-locking pin that assumes together with the central-locking element the unlocked, locked, and antitheft positions, the latching lever cooperating with the central-locking element in the unlocked and locked positions, the unlocking formation and the locking formations moving on pivoting of the latching lever through respective arcs about a pivot axis of the latching lever and the central-locking pin describing on pivoting of the central-locking element about the element axis a pin arc, the arcs of the formations crossing the pin arc while the arcs of the formations are spaced in the antitheft position from the central-locking pin; and

    drive means having a drive pin movable along an arcuate path and engageable in the fork seats for displacing the central-locking element between the locked, unlocked, and antitheft positions, the unlocking formation being effective on the central-locking element for moving the central-locking element into the locked position and the locking formation on the central-locking pin for moving the central-locking element into the locked position.

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