Roadway guardrail system which slides upwards on impact
New Zealand Patent
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Importance
Abstract
A roadway guardrail system 50 comprises a support post 200, where the support post 200 comprises a first end disposed at an upper portion of the support post 200, a second end disposed at a lower portion of the support post 200 and a longitudinal axis extending between the first end and the second end, and a rail 100 having a mounting aperture, where the rail 100 is operatively coupled to the support post 200, a fastener 320 coupled to the rail 100, and a reinforcing member 310 located between the rail 100 and the support post 200. The rail 100, the fastener 320 and the reinforcing member 310 are configured to, in response to a collision with the rail 100, move in an upward direction relative to the support post 200 to dissipate energy from the collision. After a predetermined upper movement the support post 200 inhibits the upper movement of the rail 100, the fastener 320, and the reinforcing member 310 to further dissipate energy from the collision.
First Claim
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International Classification(s)
Cited Art Landscape
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