Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor
Reexamination Certificate
2002-09-26
2004-07-20
Lagman, Frederick L. (Department: 3673)
Hydraulic and earth engineering
Earth treatment or control
Rock or earth bolt or anchor
C405S284000
Reexamination Certificate
active
06764252
ABSTRACT:
BACKGROUND OF INVENTION
The present invention generally relates to retaining walls used in landscaping for holding back earth, such as soil and rocks. More specifically, the present invention relates to a retaining wall system to form a retaining wall, which is stackable, porous and adjustable.
The most common form of retaining walls is a series of interlocking bricks or concrete blocks. Treated wooden beams, fabric, fabric netting and metal linked fabric are other common materials used to create a retaining wall. Many of methods of using these materials have the disadvantages of great weight, deterioration or the inability to be used to create varying degrees of grade on the face of the retaining wall. There are netting systems used as retaining walls, which can be stacked and angled. The netting systems usually include a wire netting, which needs to be attached to tubing frame by the user. The assembly, setup and stacking of these netting systems as a retaining wall can be quite cumbersome and even difficult for the user, especially the do-it-yourself user. What is needed is a system that is out of the box ready to be used and easy to setup for all users.
It is an object of the present invention to provide retaining wall system that is easy to assemble and setup.
It is an object of the present invention to provide retaining wall system that is stackable.
It is an object of the present invention to provide retaining wall system that is porous to allow plant life to grow out from the retaining wall system.
SUMMARY OF INVENTION
A retaining wall system having at least one wall section. Each wall section including a base, retaining face and a hinge. The base having a front, rear and sides. The retaining face having a top, bottom and sides. The hinge connecting the front of the base to the bottom of the retaining face. Whereby the hinge allows the retaining face to be folded to and from the base. The retaining face includes an open grid pattern between the top, bottom and sides. The wall section further includes a plurality of receiving elements on each of the sides of both the base and retaining face to allow different angle settings between the base and retaining face. A brace is connected to one of the receiving elements on the base and one of the receiving elements on the retaining face on each side of the wall section between the base and retaining face.
REFERENCES:
patent: 2638188 (1953-05-01), Corn
patent: 4117686 (1978-10-01), Hilfiker
patent: 4856939 (1989-08-01), Hilfiker
patent: 5156496 (1992-10-01), Vidal et al.
patent: 5161917 (1992-11-01), Papetti
patent: 5531547 (1996-07-01), Shimada
patent: 5733072 (1998-03-01), Hilfiker et al.
patent: 6296422 (2001-10-01), Ferraiolo
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