Patent ID: 8402680

Claim:
A snow thrower comprising: an engine; an auger housing configured to receive a snow; an auger within the auger housing and operably coupled to the engine so as to be driven by the engine; an impeller housing configured to receive snow driven by the auger from the auger housing; a discharge chute extending from the impeller housing; and an impeller within the impeller housing and operably coupled to the engine so as to be driven by the engine to discharge snow from the impeller housing through the discharge chute, the impeller comprising: a layer of material comprising: a blade support wall; and three blades extending from the blade support wall and spaced 120 degrees about a rotational axis of the impeller with no other blades between the three blades, each of the three blades having a height measured perpendicularly from the blade support wall of at least 4 inches, wherein each of the three blades has a recessed portion proximate an outermost tip of the blade, the recessed portion facing and recessed from a plane that contains the rotational axis of the impeller and that extends from the rotational axis tangent to the snow driving face.