US2004182982A1PendingUtilityA1

Column jacks

37
Priority: Mar 17, 2003Filed: Mar 17, 2003Published: Sep 23, 2004
Est. expiryMar 17, 2023(expired)· nominal 20-yr term from priority
Inventors:Barney Auman
B66F 3/08
37
PatentIndex Score
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Cited by
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References
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Claims

Abstract

The column jack invention lifts a column shaft into its final position with mechanical advantages such as levers and wedges (threads). It reduces the effort and provides a more simple method of installation. The base of the column jack is bolted or screwed to the substrate and to the column providing tie-down strength.

Claims

exact text as granted — not AI-modified
1 . What I claim as my invention is: the culmination of materials to form a column lifting device for better installation of columns:

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