Fences – Highway guard
Reexamination Certificate
2005-08-30
2005-08-30
Cottingham, John (Department: 3679)
Fences
Highway guard
Reexamination Certificate
active
06935622
ABSTRACT:
The present invention provides cantilevered structural support systems subjected principally to lateral-load conditions, such as guard rail systems, which are made of solid materials and which are designed to remove drifting snow from the road surface. The present invention identifies the design lateral-load plus vertical design loads imposed via installation activities plus design torsional load requirements plus design required soil-matrix resistance development then matches the structural requirements by way of either material mass and/or shape. The post and block section of the rail are combined into one curved object and divided into two or more branches, connecting the post/block object to the rail. The branch' median curve is above the highest point on the rail's surface. The sectional shape of the rail is elliptical and the axes are declined towards the surface of the road. The present invention can be of homogeneous material such as, but not limited to, wood and/or steel and/or aluminium and/or plastic and/or rubber. The present invention can also be of a composite nature of two or more materials.
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Hubbel David Allen
Jonsson Thorgeir
Birch & Stewart Kolasch & Birch, LLP
Cottingham John
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