Hydraulic and earth engineering – Foundation – Columnar structure
Reexamination Certificate
2005-06-21
2005-06-21
Lee, Jong-Suk (James) (Department: 3673)
Hydraulic and earth engineering
Foundation
Columnar structure
C405S231000, C405S249000, C175S042000, C175S044000, C175S049000, C175S056000, C175S135000
Reexamination Certificate
active
06908262
ABSTRACT:
A system for driving a large diameter caisson into the ground, comprising a crane assembly, a plurality of vibratory devices, a clamp assembly, a suspension assembly, and a timing system. Each vibratory device generates a vibratory force. The clamp assembly rigidly secures each of the vibratory devices to one of a plurality of predetermined angularly spaced locations about the caisson. The suspension assembly connects the vibratory devices to the crane assembly such that transmission of vibratory forces from the vibratory devices to the crane assembly is inhibited. The timing system operatively connects the plurality of vibratory devices to synchronize the vibratory forces generated thereby.
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American Piledriving Equipment, Inc.
Lee Jong-Suk (James)
Schacht Michael R.
Schacht Law Office Inc.
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