Patent ID: 8678422
Filing Date: 2014-03-25
Classification: B60D

Abstract:
1. For use in towing a portable grain conveyor having forward and aft portions and including a conveyor arrangement movable between an elevated position for use in conveying grain and a lowered position for transport and storage, an adjustable hitch comprising: a tongue attached to and extending rearwardly from a traction vehicle; a rigid arm having a forward portion pivotally coupled to said tongue and extending rearwardly from the traction vehicle, said rigid arm further including an aft portion pivotally coupled to the forward portion of said grain conveyor, wherein said rigid arm is free to pivot up and down in a generally vertical direction relative to said tongue and said grain conveyor; and a displacement member movable between extended and retracted configurations and having a forward portion pivotally coupled to an intermediate portion of said rigid arm and an aft portion pivotally coupled to said grain conveyor, wherein movement of said displacement member to said extended configuration lowers the forward portion of the grain conveyor and elevates the conveyor arrangement for use in conveying grain, and movement of said displacement member to said retracted configuration raises the forward portion of the grain conveyor and lowers the conveyor arrangement for transport and storage.