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Door assist system and method for retrofit installation of apparatus

  • US 8,002,328 B2
  • Filed: 08/20/2008
  • Issued: 08/23/2011
  • Est. Priority Date: 08/20/2008
  • Status: Active Grant
First Claim
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1. An apparatus for motorizing a door relative to a door frame of a vehicle, wherein the door includes a door latch mechanism coupled to the door, the door latch mechanism securing the door in the closed door position and includes an external latch actuator and an internal latch actuator, the apparatus comprising:

  • a drive system coupled to the door and the door frame of the vehicle, wherein the drive system moves the door between a closed door position and an open door position;

    a controller electrically connected to the drive system;

    an electrical power supply in combination with the controller and the drive system;

    an external close switch mounted to an external side of one of the door or the vehicle, wherein the external close switch is in communication with the controller and, when activated, signals the controller to move the door toward the closed door position;

    an internal close switch mounted to an internal side of one of the door or the vehicle, wherein the internal close switch is in communication with the controller and, when activated, signals the controller to move the door toward the closed door position;

    a door open sensor in combination with the controller and at least one of the internal latch actuator or the external latch actuator of the door; and

    a door position sensor mounted to the internal side of the door adjacent to the door frame.

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