Patent ID: 7748685

Claim:
A winch assembly for use with a spoolable medium, said assembly comprising: a winch drum rotatable about a first axis and adapted to carry a spoolable medium, the winch drum being adapted to be coupled to drive means comprising a motor for rotatably driving the winch drum to spool the spoolable medium; a drive screw rotatable about a second axis aligned substantially parallel with the first axis; a carriage sheave mounted on the drive screw and adapted to be translated by the drive screw axially therealong, said carriage sheave further adapted to engage the spoolable medium, the drive screw being adapted to be coupled to drive means comprising a motor for rotatably driving the drive screw to translate the carriage sheave therealong; and a control system for maintaining the drive screw motor at the required speed by monitoring the speed of the winch drum motor.