Static structures (e.g. – buildings) – With piercing or expanding earth anchor – Spreader cam or plate
Patent
1974-09-25
1976-08-17
Shapiro, Jacob
Static structures (e.g., buildings)
With piercing or expanding earth anchor
Spreader cam or plate
61 5368, E02D 574
Patent
active
039746046
ABSTRACT:
An improved anchoring post for being driven to a ground, and which is particularly suitable to secure structures against being blown away in a wind; the device consisting of a tubular outer member which is first driven into a ground, and an inner member which is thereafter inserted into the outer member being slit into a series of tongues which spread out sideward within the ground so to give greater resistance against being pulled out.
REFERENCES:
patent: 373621 (1887-11-01), Turnberger
patent: 958127 (1910-05-01), Hovrud
patent: 1426044 (1922-08-01), Clum
patent: 2468729 (1944-05-01), Black
patent: 2958404 (1960-11-01), Smith
Conn John L.
Spector George
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