Patent ID: 7926882

Claim:
A method of forming a groove in a body of ice, the method comprising: providing a milling cutter comprising an elongate shaft and at least one blade extending generally radially from the shaft; rotating the shaft and said at least one blade supported on the shaft about a longitudinal axis of the shaft; selecting a prescribed downward and rearward inclination of the longitudinal axis of the shaft; supporting the longitudinal axis of the shaft such that the longitudinal axis of the shaft extends in a generally vertical plane of the working direction at the prescribed downward and rearward inclination through a surface of the body of ice into the body of ice; and displacing the milling cutter along the surface in a forward working direction with the shaft rotating about the longitudinal axis and extending into the body of ice at the prescribed downward and rearward inclination so as to form a groove in the body of ice.