Static structures (e.g. – buildings) – With piercing or expanding earth anchor – Supporting separate axially aligned shaft
Patent
1997-10-31
1998-12-15
Canfield, Robert
Static structures (e.g., buildings)
With piercing or expanding earth anchor
Supporting separate axially aligned shaft
5216913, 52170, 52298, 248156, 248519, 248530, 40606, E02D 574, E02D 2742
Patent
active
058485023
ABSTRACT:
A system for mounting road signs and other posts which is simple to use, has few parts and is tamper resistant. The system also allows for the easy dismounting of the post for maintenance and changing of signs. The system uses a metal base driven into the ground, a non-square post with at least one flat side and a bifurcated wedge to lock the post into position in the base. This system also prevents rotation of the post due to winds or other forces.
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patent: 4553358 (1985-11-01), Deike
patent: 5395081 (1995-03-01), Vollink
patent: 5404682 (1995-04-01), West
patent: 5438782 (1995-08-01), Belobraydich et al.
Canfield Robert
S-Square Tube Products
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