Earth anchor

Details Earth anchor Earth anchor

1977-12-05

1980-02-26

Leppink, James A.

Static structures (e.g., buildings)

With piercing or expanding earth anchor

Spreader cam or plate

E02D 574

Patent

active

041898796

ABSTRACT:
An earth anchor having a plurality of anchor arms which are extendable after being placed in position. A flexible skirt member is attached to the anchor arms whereby after insertion into the hole, the anchor arms and skirt member may be extended into undisturbed earth thereby providing an anchoring surface at least as great as the surface area of the skirt member.

REFERENCES:
patent: 7207 (1850-03-01), Bell
patent: 129878 (1872-07-01), Wilson
patent: 289224 (1883-11-01), Clarke
patent: 1606147 (1926-11-01), Cole
patent: 2032089 (1936-02-01), Handel
patent: 2217271 (1940-10-01), Handel
patent: 2491564 (1949-12-01), Iversen
patent: 2570646 (1951-10-01), Cole
patent: 3056477 (1962-10-01), Wooley
patent: 3325955 (1967-06-01), Hart

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