Patent ID: 9279222
Filing Date: 2016-03-08
CPC Classification: E01H,Y10T

Claim Text:
1. 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 having bent portions such that the layer of material comprises a plurality of shovels, each of the plurality of shovels comprising: a blade support wall having a leading portion and a trailing portion; and a blade having a base extending from the trailing portion of the blade support wall, wherein each of the blades has a snow driving face, the snow driving face of each blade facing in a direction about the rotation axis of the impeller, wherein the blade is independently upright with respect to the blade support wall so as to be connected to the impeller solely at the base of the blade to form an unobstructed snow receiving volume between a rear face of the shovel and the snow driving face of a trailing blade.