Patent ID: 7950877

Claim:
A clamp assembly for securing a vibratory device to a pile comprising: a frame adapted to be secured to the vibratory device; a first clamp member supported by the frame, the first clamp member comprising a first engaging surface defining peaks and valleys and comprising a first surface layer formed on the peaks and valleys defined by the first engaging surface; a second clamp member supported by the frame, the second clamp member comprising a second engaging surface defining peaks and valleys and comprising a second surface layer formed on the peaks and valleys defined by the second engaging surface; and an actuator member arranged to displace at least one of the first and second clamp members such that first and second engaging surfaces engage the pile such that the pile is gripped by between first and second clamp members; wherein at least one of the first and second surface layers defines a thickness dimension of at least approximately 0.0025 inches; and at least one of the first and second surface layers defines a grit of at least approximately 180 Emery.