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Magnetic wedge device applied to the fifth wheel of trailer or semitrailer vehicles

  • US 20070114759A1
  • Filed: 12/17/2004
  • Published: 05/24/2007
  • Est. Priority Date: 12/19/2003
  • Status: Abandoned Application
First Claim
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1. A magnetic wedge device for application on the fifth wheel of the tractor of articulated vehicles, said fifth wheel having a “

  • V”

    shape opening suitable for receiving the coupling pin of a trailer or semitrailer, said wedge comprising a wedge-shaped body with a flat upper surface equipped with permanent magnets that maintain said body in contact with the flat surface of a trailer or semitrailer, close to said coupling pin, and two flat side surfaces equipped with permanent magnets that maintain the body in contact with the two inner surfaces of the “

    V”

    shaped opening in the fifth wheel in a fully wedged condition, wherein said magnetic wedge device has a reference or coupling point on which the end of a mechanical, hydraulic, pneumatic or electronic device is applied, providing mechanical, hydraulic, pneumatic or electronic piloting corresponding to the position of the coupling point on the wedge which is in turn proportional to the angular position of the fifth wheel with respect to the axis of the trailer or semitrailer.

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