×

Controlled Axle Release Mechanism For A Truck Trailer Attenuator

  • US 20200130617A1
  • Filed: 10/24/2018
  • Published: 04/30/2020
  • Est. Priority Date: 10/24/2018
  • Status: Active Grant
First Claim
Patent Images

1. A crash attenuation system comprising:

  • an impact head assembly connected to a first end of a trailer frame member having a hitch assembly at a second opposite end of said frame member; and

    a breakaway axle assembly mounted to said frame member by axle release fasteners, wherein said trailer frame member comprising;

    a first frame rail assembly generally parallel to and spaced apart from a second frame rail assembly, said first and second rail assemblies connected to one another at said second end of said frame member by said hitch assembly, said breakaway axle assembly further connecting said first and second rail assemblies when said impact head assembly is in a first position, an axle release insert disposed inside each of said first and second frame rail assembly for controlling the release of said breakaway axle assembly when said impact head assembly is in an impacted position, said axle release fasteners extending through first and second sets of bolt slots in said insert and adapted to release said breakaway axle assembly from said frame member when said impact head assembly is in an impacted position.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×