Earth anchor

Details Earth anchor Earth anchor

1982-09-24

1984-07-17

Murtagh, John E.

Static structures (e.g., buildings)

With piercing or expanding earth anchor

248545, 135 20R, E02D 574

Patent

active

044597878

ABSTRACT:
An earth anchor having an elongated pointed shaft, a stop member affixed to the shaft intermediate the ends, a weighted impactor having an internal opening and being slidably received on the shaft, the impactor being engageable with the stop member by reciprocal motion to drive the shaft into the earth, the shaft having a series of spaced openings in the upper portion thereof and an elongated handle member receivable in selected openings whereby the shaft may be rotated as it is driven into the earth, the handle member being useable for impact by upward movement of the impactor to extract the anchor from the earth, and to serve as a lock to arrest the movement of the impactor when being transported.

REFERENCES:
patent: 2475041 (1949-07-01), Mattson
patent: 2759486 (1956-08-01), Pesaturo
patent: 2867041 (1959-01-01), McMillan
patent: 3182937 (1965-05-01), Manning
patent: 3286962 (1966-11-01), Warth
patent: 3318560 (1967-05-01), Garrette

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