Patent ID: 8061063
Filing Date: 2011-11-22
Classification: E01H,E02F

Abstract:
1. A plow, including a center blade having a first end and a second end, and a wing blade coupled to each end of the center blade, with each wing blade pivotally connected to the center blade about an axis and movable through a range of movement, the plow comprising: a first pair of wearstrips, with one wearstrip coupled to the first end of the center blade and the other wearstrip coupled to one wing blade, with each wearstrip including an angled portion wherein the angled portion of the wearstrip on the center blade and the angled portion of the wearstrip on the wing blade align with the axis at the first end of the center blade; a second pair of wearstrips, with one wearstrip coupled to the second end of the center blade and the other wearstrip coupled to the other wing blade, with each wearstrip including an angled portion wherein the angled portion of the wearstrip on the center blade and the angled portion of the wearstrip on the wing blade align with the axis at the second end of the center blade; and a wing pivot tube coupled to each of the wing blades and center blade at each of the first and second end of the center blade about the respective axis; wherein the orientation of the wing blade, wearstrips and wing pivot tube at each of the first and second ends of the center blade minimizes a gap defined between each end of the center blade and the associated wing blade, throughout the range of movement of each wing blade, wherein each angled portion of the pairs of wearstrips meet in the back side of the plow when the wing blade is in a folded position and meet in the front side of the plow when the wing blade is in a straight position, while maintaining alignment with the respective axis.