Snow blower

Claim 1

A SNOW BLOWER OF THE TYPE ADAPTED TO BE MOUNTED ON A VEHICLE AND POWERED BY A MOTOR, COMPRISING IN COMBINATION: A HOUSING HAVING AN OPEN FRONT; A DISCHARGE CHUTE LOCATED GENERALLY EQUIDISTANTLY BETWEEN THE ENDS OF SAID HOUSING AND HAVING A GENERALLY VERTICALLY EXTENDING PORTION IN DIRECT COMMUNICATION WITH THE INSIDE OF SAID HOUSING AND A CURVED PORTION MOUNTED ON SAID VERTICALLY EXTENDING PORTION; A SHAFT ROTATABLY CARRIED BY SAID HOUSING AND ADAPTED TO BE ROTATED BY THE MOTOR, SAID SHAFT CARRYING A FIRST AND SECOND SET OF BLOWER BLADES DIRECTLY BELOW SAID CHUTE; A SPLITTER MOUNTED ON SAID HOUSING AND CLOSING A PORTION OF SAID OPEN FRONT TO DEFINE WITH SAID HOUSING A BLOWER HOUSING FOR SAID TWO SETS OF BLADES; STRIP LIKE RIGHT-HAND AND LEFT-HAND HELICAL CONVEYOR FLIGHTS MOUNTED ON SAID SHAFT AND ON EACH SIDE OF SAID SETS OF BLOWER BLADES, SAID FLIGHTS BEING IN SPACED RELATIONSHIP IN RESPECT TO SAID SHAFT, EACH OF SAID FLIGHTS BEING CONNECTED TO A DIFFERENT ONE OF THE BLADES OF SAID FIRST SET, THE BLADES OF BOTH OF SAID SETS HAVING TIP PORTIONS CURVED BACKWARDLY IN RESPECT TO THE OPERABLE DIRECTION OF SAID SHAFT TO THEREBY PROVIDE A SUBSTANTIALLY VERTICAL TRAJECTORY OF TRAVEL OF THE SNOW PROPELLED THROUGH SAID DISCHARGE CHUTE; AND THE BLADES OF SAID SECOND SET BEING OF GREATER WIDTH THAN THE BLADES OF SAID FIRST SET.