Static structures (e.g. – buildings) – With piercing or expanding earth anchor – Spreader cam or plate
Patent
1990-07-17
1991-04-30
Murtagh, John E.
Static structures (e.g., buildings)
With piercing or expanding earth anchor
Spreader cam or plate
135118, E02D 580
Patent
active
050106988
ABSTRACT:
An anchoring post adapted to be inserted in the ground is made of a hollow tube having two laterally slanted channels inside the tube adjacent its bottom end. A bifurcated element having two prongs is adapted to be pushed downwardly in the tube, in the ground through the channels until the prongs project outwardly and laterally for retaining the tube in the ground.
REFERENCES:
patent: 904198 (1908-11-01), Haase
patent: 958127 (1910-05-01), Hovrud
patent: 2396276 (1946-03-01), Lang
patent: 2431609 (1947-11-01), Clapper
patent: 2966243 (1960-12-01), Clapper
patent: 3526069 (1970-09-01), Deike
patent: 3772838 (1973-11-01), Virnig
patent: 3861097 (1975-01-01), Patterson
Morneau Roland L.
Murtagh John E.
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