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Motor-vehicle door latch with position-sensing switch

  • US 5,722,706 A
  • Filed: 04/10/1995
  • Issued: 03/03/1998
  • Est. Priority Date: 04/13/1994
  • Status: Expired due to Fees
First Claim
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1. A motor-vehicle door latch for securing a door to a doorpost, the latch comprising:

  • a support mounted on a doorpost;

    a bolt projecting from the support;

    a latch fork pivoted on the door, formed with a switch-actuating tooth, and movable between an engaged position interfitting with the bolt and retaining the door in a closed position fixed relative to the doorpost and a disengaged position out of engagement with the bolt and permitting the door to move relative to the doorpost;

    a switch on the support displaceable between a position with the switch generating a door-closed output and another position with the switch generating a door-open output;

    actuating means including an actuating element formed with a tooth operated directly by the actuating tooth of the fork and cooperating with the switch foron movement of the door into the closed position positively physically pushing the switch into the position generating the door-closed output and holding the switch in the position generating the door-closed output so long as the door is in the closed position andon movement of the door into the open position positively releasing the switch and physically pushing the switch into the position generating the door-open output; and

    a spring connected to the actuating element and urging the switch into a position generating the door-open output.

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