Mechanical and Materials Engineering, Department of

 

Department of Mechanical and Materials Engineering: Faculty Publications

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Document Type

Article

Date of this Version

11-23-1999

Citation

United States Patent Sicking et al. Patent Number: 5,988,598

Abstract

A breakaway guardrail post includes upper and lower post sections spaced apart but connected by a breakaway joint. The joint is attached at one end to the upper post by a first fastener set and connected at a second end by a second fasteners set. Upon impact forces being applied to the upper post section, the first fastener fails and the upper post section rotates downwardly.

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