Earth anchors

Details Earth anchors Earth anchors

1984-09-11

1987-01-06

Murtagh, John E.

Static structures (e.g., buildings)

With piercing or expanding earth anchor

Pivot means connecting separate fluke or hook

52163, 52166, 411 32, 411340, F16B 1304, E04B 141

Patent

active

046336273

ABSTRACT:
An earth anchor comprising an insertable shank portion and a locking means for securing the anchor in an earth formation has one or more locking members captively associated with the insertable shank portion, the one or more locking members being either tiltable or rotatable relative to the shank whereby the insertable portion is inserted into a borehole in an earth formation and upon tensioning of the shank the one or more locking members wedgingly engage with the wall of the borehole to anchor the device within the borehole. The device has particular application as a means for suspending utility conduits and the like against the wall or floor of an underground excavation.

REFERENCES:
patent: 734373 (1903-07-01), Smith
patent: 769083 (1904-08-01), Hick
patent: 772515 (1904-10-01), Jackman
patent: 795649 (1905-07-01), Robinson
patent: 999786 (1911-08-01), Heyerly
patent: 1564069 (1925-12-01), Hoovens
patent: 1821125 (1931-09-01), Thom
patent: 2503548 (1950-04-01), Damstra
patent: 3022873 (1962-02-01), Ondrejka
patent: 4295760 (1981-10-01), Warner

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