Drive anchor

Details Drive anchor Drive anchor

2006-01-31

2006-01-31

Saether, Flemming (Department: 3677)

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Having separate expander means

C411S045000, C411S057100, C411S071000

Reexamination Certificate

active

06991413

ABSTRACT:
A method and apparatus removably and replaceably mounting a member in a hole that provides sufficient support for the member while also improving installation time of the anchor holding the member in place includes use of a drive anchor system. The drive anchor system includes a drive anchor. The drive anchor includes a hollow shaft having an internal chamber, an external wall, a first end, and a second end. A surface feature is disposed on the external wall for providing anchoring functionality. A bifurcating crevice extends from the second end of the hollow shaft toward the first end of the hollow shaft, and creates a first leg and a second leg of the hollow shaft. A member coupling is sized and dimensioned to fit within the internal chamber of the drive anchor, such that the member can couple with the member coupling. The drive anchor can be positioned in a hole and the member coupling is configured to be driven into the internal chamber expanding the first leg and the second leg outwardly against walls of the hole to frictionally mount the member coupling within the internal chamber and also to frictionally mount the drive anchor within the hole and anchored with the surface feature.

REFERENCES:
patent: 1855329 (1932-04-01), Wagner
patent: 2120577 (1938-06-01), Schulte
patent: 2181103 (1939-11-01), Davis
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patent: D256552 (1980-08-01), Rowinski
patent: 4259890 (1981-04-01), Walsh
patent: D263557 (1982-03-01), Einhorn
patent: 4353673 (1982-10-01), Lesowsky
patent: 4500238 (1985-02-01), Vassiliou
patent: 4926785 (1990-05-01), Lamson
patent: 6406235 (2002-06-01), Bantle
patent: 6494653 (2002-12-01), Remmers

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