Impact absorbing barrier

Details Impact absorbing barrier Impact absorbing barrier

2005-07-26

2005-07-26

Hartmann, Gary S. (Department: 3671)

Road structure, process, or apparatus

Traffic steering device or barrier

C404S010000

Reexamination Certificate

active

06921228

ABSTRACT:
A deformable panel member is provided for absorbing the energy of a moving object impacting the panel member. The panel member is adapted to be connected to a rigid member and has a front wall, a rear wall and two side walls extending between and interconnecting the front and rear walls. A support member in panel member extends between and interconnects at least two of the walls. The side walls are adapted to be angled relative to the rigid member in a direction of movement of the object when the panel member is mounted to the rigid member. An impact on the panel member will tend to deform the panel member toward the rigid member in the direction of movement of the object. This deformation allows the panel member to absorb the energy of the object for decelerating and redirecting the object subsequent to impact. An energy absorbing barrier is also provided comprising a plurality of the panel members mounted at spaced intervals along the rigid member. The panel members are positioned in adjacent relation for allowing relative independent movement of the panel members upon impact. Impact of a panel member will transmit the force of the impact to adjacent panel members which are similarly deformed for successively absorbing energy and redirecting the object subsequent to impact at an angle relative to the rigid member less than the angle of impact.

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patent: 6309140 (2001-10-01), Kiedaisch et al.
patent: 6530560 (2003-03-01), King

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