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Warning system for vehicle air dam

  • US 4,683,974 A
  • Filed: 04/14/1986
  • Issued: 08/04/1987
  • Est. Priority Date: 04/14/1986
  • Status: Expired due to Fees
First Claim
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1. In combination, a motor vehicle having an air dam mounted upon and beneath the front end structure forwardly of the front wheels, said air dam being comprised of a molded plastic deflector panel being subject to engagement with a parking bumper or other obstruction and elastically yieldably movable upon such engagement within a range of elastic deformation and being breakable upon deformation beyond the limit of the range of elastic deformation, switch means mounted on the front end structure rearwardly of the molded plastic deflector panel and having associated sensor means operatively associated with the deflector panel and adapted to actuate the switch in response to yielding movement of the deflector panel within the range of elastic deformation, and signal means responsive to actuation of the switch means to warn the vehicle operator that an obstruction has been engaged and that further forward movement of the vehicle may exceed the limit of the range of elastic deformation and subject the plastic deflector panel to breakage.

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