Patent ID: 6536141
Filing Date: 2003-03-25
Classification: E01H

Abstract:
A moldboard and mounting arrangement comprising:a moldboard; truss means for connecting the moldboard to a vehicle, said truss means including a mounting member; means for pivotally mounting the moldboard on the truss means; and means for resiliently connecting the means for pivotally mounting the moldboard to the truss means, said means for resiliently connecting the means for pivotally mounting the moldboard to the truss means including a urethane member provided between the means for pivotally mounting the moldboard and the mounting member, said moldboard including trip means provided along a lower edge of said moldboard for enabling the moldboard to pass over obstructions, the trip means including a urethane hinge which extends substantially along the lowermost edge of the moldboard with the moldboard connected to an upper portion of the urethane hinge and with a cutting edge connected to a lower portion of the urethane hinge.