Self adjusting structure support
OwnerEugene D. MacArthurinventor
Life of this patent
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Abstract
A self-adjusting support or structure including a cylindrical column having a top portion attachable to the structure and having a bearing plate partly closing the bottom with the column nesting within a casing that stands on the ground, the column being adapted to receive sand in its hollow interior, the column having spacing projections around its lower portion and the casing having spacing projections around its upper portions so that sand can flow into the casing beneath the bearing plate when the casing settles to a lower elevation.
Claims4
A device that supports a structure above the ground comprising a lower casing element having a planar ground-engaging means and a hollow cylindrical casing of a first diameter connected to said ground engaging means and extending with the axis of the casing element perpendicular to the plane of said ground engaging means, an upper element having a hollow, cylindrical column of a second diameter, said column having an upper end portion with a structure engaging means which is connectable to said structure, bearing plate partially closing a lower end portion of the column which is opposite the upper end portion, an upper passageway formed in the upper end portion of said column for receiving flowable granular material into the upper portion of said column, the inside diameter of said casing being spaced from the outside diameter of said column, first spacing projections extending from said column toward said casing, and second spacing projections extending from said casing towards said column.
Dependencies are inferred from the claim text.