Patent ID: 6089547
Filing Date: 2000-07-18
Classification: B66D

Abstract:
A method for upgrading a drum winch, the drum winch having:(1) a mooring winch frame,(2) a winch drum rotatably mounted to the mooring winch frame for hauling-in a mooring line, and(3) a drive shaft rotatably mounted to the mooring winch frame for driving the winch drum, the method comprising:replacing the winch drum with a traction winch module positioned on the mooring winch frame, the traction winch module including a traction winch frame, a front traction drum and a rear traction drum, and being positioned such that the mooring line maintains substantially the same relationship with the mooring winch frame as with the drum winch;affixing the traction winch frame to the mooring winch frame; anddrivingly linking the drive shaft with the traction winch to drive the traction winch module for hauling-in the mooring line.