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Air brake safety and anti-theft valve assembly

  • US 5,145,240 A
  • Filed: 02/22/1991
  • Issued: 09/08/1992
  • Est. Priority Date: 02/22/1991
  • Status: Expired due to Fees
First Claim
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1. An assembly for use with a trailer for holding cargo, a plurality of wheels, normally engaged air brakes coupled to the wheels, and an air supply line coupled to the air brakes for supplying air to release the air brakes, the assembly comprisingvalve means for selectively venting the air supply line to the atmosphere to prevent the release of the air brakes from their normally engaged position, the valve means including an exhaust port,means for coupling the valve means to the air supply line, the valve means being adjustable between a first position to seal the air supply line and a second position to vent the air supply line to the atmosphere, andan alarm coupled to the valve means for providing an audible indication when air is vented through the valve means to the atmosphere, the alarm including a whistle coupled to the exhaust port of the valve means.

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