SNOW PLOUGH

CHARRUE A NEIGE

Claims

Claim lst. A fan blade fixed to and radiating from a shaft carried horizontally in bearings, and denying a rotary movement from a conveniently-located motor in combination with a cutting blade. 'the main plane of which lies at about right angles to the plane of the fan-blade, the said cutting blade being pivoted on the same centre and immediately in. front of the fan-blade, while deriving a rotary movement in the opposite direction to that in Which the fan-blade revolves. 2nd A fan-blade fixed to a horizontal shaft and caused to .revolve within an open-front .cylindrical case having an opening in its circumference, in combination with a cutting-blade pivoted in the same centre as the fan-blade, but revolving in the opposite direction immediately at the open- face of the cylindrical case, substantially as and for the purpose specified. 3rd. In an improved snow-plough in which a cutting-blade is Caused to revolve in front ,of, and in the opposite direction to a 'revolving fan-blade, a hollow shaft arranged to support and revolve with the fan blade, in combination with a shaft journalled within the hollow shaft and arranged to propel, the cutting-blade substantially as and for the purpose specified. 4th..The fan-blades. C fixed to, and propelled by the hollow shaft, D, the cutting-blades B fixed to, and propelled by the shaft F which is journalled within. shaft D, in combination with a cylindrical case A having an opening a in its circumference ,and flaring side flanges c with a bottom flange,d, curved from the side flanges c inwardly, to a point near the revolving blades G,substantially as and for the purpose specified 5th. A series of fan blades revolving within an open front cylindrical case having an opening a in its circumference and an opening e its back in combination with a revolving disc formed by a series of cutting blades B and located at the open front of the cylindrical case, substantially as and for the purpose specified.