According to the US Patent & Trademark Office: “A winch includes a first cable reel and a second cable reel. A driveshaft rotates the first cable reel and the second cable reel.”

It added: “The driveshaft is moveable along an axis of rotation between a first position and a second position. The driveshaft operationally engages the first cable reel when in the first position and operationally engages the second cable reel when in the second position.”

The inventor was issued US Patent Number 7,273,207 on September 25.

The original application was filed on March 2 2006.