Patent ID: 7874387

Claim:
A track extension in combination with a track system, comprising: a track system having a track frame, wheels mounted to the frame and adapted to allow cyclic movement of a track about the frame, drive means in the frame adapted to transmit a drive of a vehicle to the track to drive the track in a cyclic movement, a base frame member of the track frame supporting some of the wheels, the base frame member being a bottommost portion of the track frame to define a first footprint of the track system; an extension frame releasably secured to an end of the track frame, the extension frame being immovably fixed to the track frame by having a tube mated to an end of a tube of the base frame member of the track frame; an idler wheelset mounted to an end of the extension frame and being positioned in extension alignment with the wheels of the base frame member; and a track mounted about the track frame and the extension frame such that a second footprint of the track is delimited at an end by the engagement of the track with the idler wheelset, the second footprint being larger than the first footprint.