Patent ID: 6877758

Claim:
A hitch extension apparatus for attaching an implement to a tractor drawbar for towing in an operating travel direction, the tractor drawbar defining a drawbar hole, wherein the implement comprises a drive shaft having a rear universal joint at a rear end thereof connected to a driveline of the implement, and a front universal joint at a front end thereof adapted for attachment to a tractor power take off, the apparatus comprising: a first member adapted for attachment to the tractor drawbar by insertion of a drawbar pin through the drawbar hole and through at least one corresponding draw pin hole defined by the first member, the first member configured such that same is substantially fixed with respect to the drawbar when the drawbar is placed in a drawbar location of the apparatus and the drawbar pin is inserted; an extension member pivotally attached to the first member about a substantially horizontal pitch axis located forward of the at least one draw pin hole and oriented substantially perpendicular to the operating travel direction, and pivotally attached to the first member about a substantially horizontal roll axis oriented substantially parallel to the operating travel direction; wherein the extension member defines a pivotal attachment location at a rear end thereof rearward of the draw pin hole adapted for pivotal attachment of the implement about a substantially vertical yaw axis located substantially equidistant from the front and rear universal joints when the drive shaft is connected to the tractor power take off.