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Title:
ENERGY ABSORBING BREAKAWAY STEEL GUARDRAIL POST
Document Type and Number:
WIPO Patent Application WO2001014646
Kind Code:
A8
Abstract:
A improved breakaway steel guardrail post for use in dissipation of impact energy upon impact of the post having an upper post member and a lower post member, a connecting joint, and a mechanism connected to the upper and lower post members for controlling the energy dissipation of the guardrail post about the connecting joint at a predetermined rate. A first embodiment utilizes a cable restraint lopped through openings in the guardrail posts. Other embodiments included straps and fasteners designed to distort or fail at predetermined rates or strengths and combinations thereof.

Inventors:
ROHDE JOHN R (US)
REID JOHN D (US)
SICKING DEAN L (US)
Application Number:
PCT/US2000/023117
Publication Date:
April 12, 2001
Filing Date:
August 23, 2000
Export Citation:
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Assignee:
ROHDE JOHN R (US)
REID JOHN D (US)
SICKING DEAN L (US)
International Classes:
E01F9/018; E01F15/04; (IPC1-7): E01F15/04; E01F9/018
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