A snow blower has an adaptive speed control, optionally an open carrier differential, which is optionally selectively lockable. The auger is preferably chain driven. The engine output shaft optionally has a first fixedly secured pulley and a second clutched pulley. The discharge chute can be guided
A snow blower has an adaptive speed control, optionally an open carrier differential, which is optionally selectively lockable. The auger is preferably chain driven. The engine output shaft optionally has a first fixedly secured pulley and a second clutched pulley. The discharge chute can be guided in rotation by an idler wheel. The chute can be rotatably actuated by a cable assembly controlled by a rotatable handle.
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Having thus described the invention, what is claimed is: 1. A walk-behind snow blower apparatus, comprising: (a) a chassis; (b) an axle assembly communicating with said chassis; (c) a hydrostatic drive assembly drivingly communicating with said axle assembly; (d) a control handle, movement of said
Having thus described the invention, what is claimed is: 1. A walk-behind snow blower apparatus, comprising: (a) a chassis; (b) an axle assembly communicating with said chassis; (c) a hydrostatic drive assembly drivingly communicating with said axle assembly; (d) a control handle, movement of said walk-behind snow blower apparatus being controlled by an operator through said handle; and (e) a user input device controllingly attached to said hydrostatic drive assembly, and said user input device being a handle which effects control movements by pivoting said handle about an axis of pivotation, said walk-behind snow blower apparatus being movable in a first, forward direction of travel, or in a second, opposite and reverse direction of travel, at speeds which are continuously variable between a first relatively slower speed of travel and a second substantially faster speed of travel, and multiple intermediate speeds between the first and second speeds, said user input device and said hydrostatic drive assembly, in combination, being adapted and configured to adaptively control said walk-behind snow blower apparatus based on a user input applied to said user input device which continuously variably and adaptively influences and/or controls the real time speed of travel of said walk-behind snow blower apparatus. 2. A walk-behind snow blower as in claim 1 wherein said user input device controls both direction of travel and the continuously variable speed of travel. 3. A walk-behind snow blower as in claim 1 wherein when said handle is urged in a first direction, said walk-behind snow blower apparatus correspondingly travels in a such first direction and when said pivotably handle is urged in a second, opposite direction, said walk-behind snow blower apparatus correspondingly travels in a such second, opposite direction. 4. A walk-behind snow blower as in claim 1 wherein said handle has a resting, neutral position, a maximum forward position, and a maximum reverse position, said handle being continuously variably movable between said maximum forward position and said maximum reverse position. 5. A walk-behind snow blower as in claim 4 wherein the magnitude of the distance by which said handle is displaced from the resting, neutral position corresponds to the magnitude of the speed at which said walk-behind snow blower travels whereby pivotation of said handle a relatively greater distance from such resting, neutral position corresponds to a correspondingly greater rate of speed at which said walk-behind snow blower travels. 6. A walk-behind snow blower apparatus, comprising: (a) a chassis; (b) an axle assembly communicating with said chassis; (c) a hydrostatic drive assembly drivingly communicating with said axle assembly; (d) a control handle, movement of said walk-behind snow blower apparatus being controlled by an operator through said handle; and (e) a user input device controllingly attached to said hydrostatic drive assembly, said user input device is a handle which effects control movements by pivoting said handle about an axis of pivotation, said handle having a resting, neutral position, and a maximum forward position, and said handle being continuously variably movable between said resting, neutral position and said maximum forward position, and said handle controls direction of travel and the continuously variable speed of travel, said walk-behind snow blower apparatus being movable in a first, forward direction of travel, or in a second, opposite and reverse direction of travel, at speeds which are continuously variable between a first relatively slower speed of travel and a second substantially faster speed of travel, and multiple intermediate speeds between the first and second speeds, said user input device and said hydrostatic drive assembly, in combination, being adapted and configured to adaptively control said walk-behind snow blower apparatus based on a user input applied to said user input device which continuously variably and adaptively influences and/or controls the real time speed of travel of said walk-behind snow blower apparatus, and wherein the magnitude of the distance by which said handle is displaced from the resting, neutral position corresponds to the magnitude of the speed at which said walk-behind snow blower travels whereby pivotation of said handle a relatively greater distance from such resting, neutral position corresponds to a correspondingly greater rate of speed at which said walk-behind snow blower travels. 7. A walk-behind snow blower apparatus, comprising: (a) a chassis; (b) an axle assembly communicating with said chassis; (c) a hydrostatic drive assembly drivingly communicating with said axle assembly; (d) a control handle, movement of said walk-behind snow blower apparatus being controlled by an operator through said handle; and (e) a user input device controllingly attached to said hydrostatic drive assembly, and said user input device being a handle which effects control movements by pivoting said handle about an axis of pivotation, said walk-behind snow blower apparatus being movable in a first, forward direction of travel at speeds which are continuously variable between a first relatively slower speed of travel and a second substantially faster speed of travel, and multiple intermediate speeds between the first and second speeds, said user input device and said hydrostatic drive assembly, in combination, being adapted and configured to adaptively control said walk-behind snow blower apparatus based on a user input applied to said user input device which continuously variably and adaptively influences and/or controls the real time speed of travel of said walk-behind snow blower apparatus. 8. The walk-behind snow blower apparatus of claim 7 wherein said handle has a resting, neutral position, and a maximum forward position, and said handle being continuously variably movable between said resting, neutral position and said maximum forward position. 9. The walk-behind snow blower apparatus of claim 8 wherein the magnitude of the distance by which said handle is displaced from said resting, neutral position corresponds to the magnitude of the speed at which said walk-behind snow blower travels whereby pivotation of said handle a relatively greater distance from said resting, neutral position corresponds to a correspondingly greater rate of speed at which said walk-behind snow blower travels. 10. A walk-behind snow blower apparatus, comprising: (a) a chassis; (b) an axle assembly communicating with said chassis; (c) a hydrostatic drive assembly drivingly communicating with said axle assembly; (d) a control handle, movement of said walk-behind snow blower apparatus being controlled by an operator through said handle; and (e) a user input device controllingly attached to said hydrostatic drive assembly, said user input device being a handle which effects control movements by pivoting said handle about an axis of pivotation, said handle having a resting, neutral position, and a maximum forward position, and said handle being continuously variably movable between said resting, neutral position and said maximum forward position, said walk-behind snow blower apparatus being movable in a first, forward direction of travel at speeds which are continuously variable between a first relatively slower speed of travel and a second substantially faster speed of travel, and multiple intermediate speeds between the first and second speeds, said user input device and said hydrostatic drive assembly, in combination, being adapted and configured to adaptively control said walk-behind snow blower apparatus based on a user input applied to said user input device which continuously variably and adaptively influences and/or controls the real time speed of travel of said walk-behind snow blower apparatus. 11. The walk-behind snow blower apparatus of claim 10 wherein the magnitude of the distance by which said handle is displaced from said resting, neutral position corresponds to the magnitude of the speed at which said walk-behind snow blower travels whereby pivotation of said handle a relatively greater distance from said resting, neutral position corresponds to a correspondingly greater rate of speed at which said walk-behind snow blower travels.
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