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Back door opening and closing apparatus

  • US 20050151495A1
  • Filed: 11/18/2004
  • Published: 07/14/2005
  • Est. Priority Date: 11/25/2003
  • Status: Active Grant
First Claim
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1. A door opening and closing apparatus for a vehicle comprising:

  • means for moving a motor by a current in accordance with a moving speed of the door to thereby generate an operating torque to open or close the door;

    means for detecting a griping of an operator'"'"'s hand at a door knob portion in the door;

    means for detecting a moving amount of the door; and

    means for detecting a pinching of an obstacle by comparing the current and a current threshold which is set in accordance with the gripping and the moving amount;

    wherein in a case that a non-grip state where the door knob portion is not gripped is detected after a grip state where the door knob portion is gripped as well as that the moving amount of the door in said non-grip state is less than a predetermined value, a detection of the pinching is executed based on a second current threshold which is higher than a first current threshold for the non-grip state.

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