Hydraulic and earth engineering – Foundation – Columnar structure
Patent
1991-06-06
1992-06-16
Taylor, Dennis L.
Hydraulic and earth engineering
Foundation
Columnar structure
52157, 248156, 248533, 405232, E02D 554
Patent
active
051220148
ABSTRACT:
A beach anchoring device for easy and reliable installation and fast removal of the stick-like objects, mainly beach umbrellas, on sand/soft ground beaches. Also might be used to anchor fishing rods, tents, canopy posts and other post-supported structures mainly on beaches. The device includes a tubular pole 1 with centering projection 6 and slightly twisted propeller-like blandes 5, and a handle 2, that fits the holes 7 in the pole 1. The pole might be screwed in the sand by the handle inserted in the holes 7. When installed in the sand, the handle is removed from the holes and an umbrella is inserted into the pole together with the handle which locks the umbrella stick in it. The sand that partly fills the pole is compacted by the umbrella stick and, interacting with the bottom end portions of the pole provides reliable anchorage. To remove the device, it should be screwed out of the sand.
REFERENCES:
patent: 728609 (1903-05-01), Pitcher
patent: 1736177 (1929-11-01), Snook
patent: 2643843 (1953-06-01), Brown
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