Patent ID: 7226244

Claim:
A tensioner removably mounted on a tower adapted to be inclined for handling tubulars and wherein the tensioner comprises: a. a first connector connected to the exterior of the tower adapted to be inclined; b. a second connector connected to the exterior of the tower adapted to be inclined; c. a tensioner frame disposed external to the tower adapted to be inclined, having a top portion and a bottom portion, wherein said first connector engages said top portion and said second connector engages said bottom portion; d. a first track body and a second track body disposed in the tensioner frame, said first and second track bodies in an opposing relationship with each other, and wherein the first track body engages the tensioner frame and the tubular, and the second track body engages the tensioner frame and the tubular; and e. an adjustable vertical support connected a rod which in turn is connected to the tensioner frame adapted to modify the relationship between the force transmitted by the adjustable vertical support onto the tensioner and motion of the tensioner frame relative to the tower.