Door latch apparatus for vehicle

Door latch apparatus for vehicle

  • CN 104,712,196 B
  • Filed: 06/17/2014
  • Issued: 05/19/2020
  • Est. Priority Date: 12/17/2013
  • Status: Active Grant
First Claim
Patent Images

1. A door latch apparatus for a vehicle, comprising:

  • a lever lift lever having a lever protrusion;

    a handle lever;

    a lever shaft; and

    a bar pin;

    wherein in the door unlocked state the lever pin is in the path of action of the lever projection of the lever and in the door locked state the lever pin is removed from the path of action of the lever projection;

    characterized in that the door latch apparatus for a vehicle further comprises;

    a lever weight coupled to the lever-type lifting lever and provided with an inertial force for rotating the lever-type lifting lever in a direction opposite to an impact energy transmission direction in a side collision in a door-unlocked state, thereby moving the lever pin away from an action path of the lever protrusion; and

    a lever holding mechanism that is provided on the lever lifting lever and the latch bracket and holds the lever lifting lever rotated by an inertial force of a lever weight;

    the lever protrusion of the lever-type lift lever is disposed to be separated from the lever pin by a predetermined gap so that the lever pin is selectively in or out of an action path of the lever protrusion of the lever-type lift lever according to an unlocked or locked state of the vehicle door.

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