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Vehicle open door warning system

  • US 5,602,526 A
  • Filed: 11/21/1994
  • Issued: 02/11/1997
  • Est. Priority Date: 11/21/1994
  • Status: Expired due to Fees
First Claim
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1. A warning device for a vehicle having a cab portion and a trailer portion with a door mounted thereon, the warning device comprising:

  • an open door detector mountable proximate to the door that generates an open door signal responsive to the door being opened, the open door detector including;

    a sensor mountable on the trailer portion;

    an actuator mountable on the door; and

    a power supply coupled to the sensor, the power supply including a power module and a solar cell mountable on a roof of the trailer portion and being coupled to the power module for supplying current thereto; and

    a light module mountable on a side of the trailer portion and operatively coupled to the open door detector to receive the open door signal, the light module emitting a warning light responsive to the open door signal, the warning light directed toward the cab portion so that the warning light is visible to a driver of the vehicle.

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