Patent ID: 6618965
Filing Date: 2003-09-16
Classification: E01H

Abstract:
In a snow plow having a snow plow frame for detachable installation at the front of a vehicle, a blade mounting structure which is mounted on the snow plow frame and which supports a snow plow blade therefrom, said blade mounting structure comprising:a blade support frame member having right and left ends, said blade support frame member being supported by the snow plow frame which is detachably mounted at the front of the vehicle; said blade support frame member including right and left blade mounting members which are fixedly mounted adjacent said right and left ends of said blade support frame member, respectively, said right and left blade mounting members each defining a pivot point; a snow plow blade having a frame comprising vertically oriented right and left mounting ribs, each of said right and left mounting ribs defining a pivot point; connecting members used to pivotally connect said right mounting rib to said right blade mounting member and said left mounting rib to said left blade mounting member, said snow plow blade being pivotable between a blade return position and a blade tripped position; blade biasing members which urge said snow plow blade from said blade tripped position to said blade return position; and a cushion stop mounted on each of said right and left blade mounting members, said cushion stops being contacted by said mounting ribs as they pivot prior to said snow plow blade reaching either said blade tripped position or said blade return position, said cushion stops thus absorbing a substantial portion of the impact force which would otherwise be transferred to said blade support frame member.