Snow plow wing
阅读：2发布：2022-07-29
专利汇可以提供Snow plow wing专利检索，专利查询，专利分析的服务。并且A snow plow wing for mounting at the side of a vehicle having a front mounted plow extends the width of the path plowed by the vehicle in its operating position and moves to a raised and retracted position when required. A vertical tubular mounting member is fixed to the vehicle. The member has oppositely positioned similar slots, each with a lower vertical portion and an upper portion extending angularly therefrom. A pin assembly connects the blade of the wing to the tubular member using the slots. When the blade is in the operating position a brace fixed to the back of the blade structure bears against an extension of the vehicle providing support against the snow load. As the blade is raised the lower portion of the slot guides it upwards until the brace is clear of the extension and the upper portion of the slot then guides the blade around to its retracted position.，下面是Snow plow wing专利的具体信息内容。
1. A snow plow wing comprising, a tubular mounting member for fastening in a substantially vertical position to the side of a vehicle, said mountIng member having in the wall thereof a slot with a lower vertically extending portion and an upper portion extending angularly therefrom, a blade carrying frame having at one end a bracket, said frame having a forward and a rearward side, a pin assembly on said bracket extending through said slot and mounting said frame to said mounting member for movement in a generally vertical direction guided by said slot between lower position and an upper position, a brace member of fixed orientation rigidly mounted to the rearward side of said blade carrying frame and extending towards an engageable portion of said vehicle and having a supporting surface for engaging said engageable portion of said vehicle when said blade carrying frame is in said lower position, and means mounted to said pin assembly for moving said assembly between said lower and said upper positions whereby said lower vertically extending portion of said slot guides said assembly with frame and brace upwards clear of said engageable portion of said vehicle and said upper portion of said slot guides said assembly with frame and brace to an upper retracted position.
2. A snow plow wing comprising, a tubular mounting member for fastening in a substantially vertical position to the side of a vehicle, said mounting member having a pair of oppositely positioned similarly shaped slots in the wall thereof, each said slot having a lower vertically extending portion and an upper portion extending angularly from the lower portion, a blade carrying frame having at one end a bracket, said frame having a forward and a rearward side, a wing blade mounted on said blade carrying frame, a pin assembly on said bracket including a pin extending through said slots and mounting said frame with blade to said mounting member for raising and lowering movement guided by said slot between a lower blade extended operating position and an upper blade retracted position, a brace member mounted on the rearward side of said blade carrying frame and extending toward said vehicle, said brace having a supporting surface for engaging an extension of the frame of the vehicle when said assembly and frame are in said lower operating position, and means mounted to said tubular mounting member and connected with said pin assembly for moving said assembly with frame and blade between said lower and said upper positions whereby said lower vertically extending portion of said slot guides said assembly with frame and blade upwards so that said brace clears the said extension and said upper portion of said slot guides said assembly with frame and blade to the upper blade retracted position.
3. A snow plow wing as defined in claim 2, in which said means mounted to said tubular mounting member is a hydraulically operated cylinder.
4. A snow plow wing as defined in claim 3, in which said cylinder is within said tubular mounting member.
5. A snow plow wing as defined in claim 4, and further including spring means connected between said blade carrying frame and said tubular member for biasing said frame in a downwardly direction to increase the surface engaging force in the operating position.
6. A snow plow wing as defined in claim 5, in which the spring means is a spring extending between a bracket on said blade carrying frame and said tubular member, and in which the position on the bracket is variable to adjust the spring force.
7. A snow plow wing as defined in claim 4, and further including release means to permit rearward movement of the lower surface engaging portion of said blade when said blade strikes an obstruction.
8. For use with a vehicle having a front mounted snow plow, a snow plow wing for mounting to the structure of the vehicle at the side thereof to extend the width of the path plowed by the vehicle, said snow plow wing comprising, a tubular mounting member for fastening in a substantially vertical position to an extension of the vehicle structure at one side therEof, said mounting member having a pair of oppositely positioned, similiarly shaped slots in the wall thereof, each slot having a lower vertically extending portion and an upper portion extending angularly from the lower portion, a blade carrying frame having at one end a bracket, said frame having a forward and a rearward side, a wing blade mounted on said blade carrying frame, a pin assembly on said bracket including a pin extending through said slots and mounting said frame with blade to said mounting member for raising and lowering movement guided by said slot between a lower blade extended operating position and an upper blade retracted position, a brace member of triangular shape mounted on the rearward side of said blade carrying frame and having one apex extending towards the vehicle with a supporting surface on one side thereof for engaging an extension of the vehicle structure when said blade is in the lower operating position, and hydraulic cylinder means within said tubular member and connected with said pin assembly for moving said assembly with frame and blade between said lower and said upper positions, said lower vertically extending portion of each said slot guides said assembly with frame and blade upwards to a position where said brace member is above said extension of said vehicle and said upper portion of each said slot guides said assembly with frame and blade in an upwardly directed rotating motion to position said assembly with frame and blade in the upper blade retracted position substantially parallel said vehicle.
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