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US 5,765,970 AGranted
Plastic retaining wall construction
OwnerJames C. Foxinventor
Life of this patent
Estimating the term…
Abstract
A retaining wall construction using courses of lightweight hollow timbers molded from plastic and having interfit portions and the adjacent bottom and top edges which seal the spaces between the courses. Vertical whaler posts connected to the rear face of the timbers and connecting bars extending to the rear of the wall equipped with deadman paddles stabilize the wall. Splicer pieces are received in each set of abutting ends of the timbers and are connected to the respective timbers.
Claims10
A retaining wall construction comprising:
- a series of elongated, hollow molded plastic timbers generally rectangular in cross section, laid in courses with a flat bottom of each course resting atop a flat top of the timbers in the next below course to form a wall;
- said timbers each having a depending skirt portion extending along a lower rear edge and extending downwardly substantially below a top edge of a next below to cover the same and prevent water seepage between said timbers, each of said timbers also having lengthwise feature extending entirely along said top edge and engaged by a mating integrally molded feature of said skirt portion to capture each other and interlock said timbers together against upward or frontward movement of an overlying timber on a lower timber course:
- each of said timbers having unencumbered front surfaces to present a smooth appearance.
Dependencies are inferred from the claim text.