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Vehicle door latch apparatus

  • US 20090160198A1
  • Filed: 12/19/2008
  • Published: 06/25/2009
  • Est. Priority Date: 12/20/2007
  • Status: Active Grant
First Claim
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1. A vehicle door latch apparatus comprising:

  • a meshing mechanism unit that is configured to engage with and disengage from a striker provided on a vehicle body;

    an operating mechanism unit that is configured to operate the meshing mechanism unit, the operating mechanism unit comprising;

    a gearwheel comprising a pinion on one side thereof;

    a motor that rotates the gearwheel;

    a sector gear, which is pivotally supported by a pivot, which meshes with the pinion, and which is rotated by the pinion of the gearwheel;

    a switch lever, which is connected to the sector gear, and which is shiftable to;

    an unlocking position where engagement between the meshing mechanism unit and the striker is releasable; and

    a locking position where the engagement is unreleasable; and

    a key sub-lever, which is pivotally supported on the pivot, which is rotatable in an unlocking direction and a locking direction in synchronism with operations of a operation key cylinder provided on an external side of a door, and which is configured to;

    rotate the sector gear to the unlocking position by rotating in the unlocking direction; and

    rotate the sector gear in the locking direction by rotating in the locking direction.

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