| US 7,520,697 B2 | ||
| System and method for elevating a support post | ||
| Robert F. Oury, Gilberts, Ill. (US) | ||
| Assigned to Rotec Industries, Inc., Elmhurst, Ill. (US) | ||
| Filed on Feb. 23, 2004, as Appl. No. 10/784,364. | ||
| Claims priority of provisional application 60/450398, filed on Feb. 26, 2003. | ||
| Prior Publication US 2004/0168860 A1, Sep. 02, 2004 | ||
| Int. Cl. E02D 5/00 (2006.01) | ||
| U.S. Cl. 405—229 [405/233; 248/354.2] | 18 Claims |
| 1. A system for elevating a construction implement relative to a surface of a structure under construction, the surface having
a hole formed therein, the system comprising:
a support post having a generally hollow center axis, the support post positioned within the hole so that sidewalls of the
support post generally conform with inner walls of the hole;
a feed inlet provided in the support post;
a quantity of granular material provided through the feed inlet and into the support post; and
at least one jack for elevating the support post and thus the construction implement relative to the surface of the structure
under construction.
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