Ground securing rod

Details Ground securing rod Ground securing rod

2008-08-07

2010-12-07

Wujciak, III, A. Joseph (Department: 3632)

Supports

Staff type

Ground inserted

C248S508000, C135S118000

Reexamination Certificate

active

07845613

ABSTRACT:
A ground securing rod includes a hollow metal rod (1), whose drive-in end has a flat helical section whose diameter is slightly larger than that of the bar (2), terminating in a tip (3). The section is made with the body of the rod (1) itself by a reduction in its diameter in combination with stamping of the rod in order to flatten it, whereby it is twisted until the helical section is formed, which has a cone-shaped reinforcement at its base (4), while at its upper end the rod (1) has an attached upper reinforcing piece (5), having a seat (6) for a torsion lever (7) that can be inserted into a through opening (8) located at the upper end of the rod and is positioned in the area covered by the upper reinforcing piece (5).

REFERENCES:
patent: 2209504 (1940-07-01), Better
patent: 4162789 (1979-07-01), Hollaway
patent: 5457918 (1995-10-01), Plourde
patent: 6082157 (2000-07-01), Boyce
patent: 6321861 (2001-11-01), Leichter
patent: 7007910 (2006-03-01), Krinner et al.

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