Patent ID: 7934978

Claim:
A sharpening machine for a blade of an ice skate, the sharpening machine comprising: a housing having a motor; a grinding wheel having a periphery, said grinding wheel is connected to said motor and is rotatable about a grinding wheel axis; an adjustment device connected to said housing, said adjustment device having a fixed spindle that defines an axis movable relative to said grinding wheel axis; and a contouring tool having a contour surface, said contouring tool is rotatably connected to said fixed spindle and is movable on said adjustment device between an engaged position and a disengaged position, when said contouring tool is in said engaged position and said grinding wheel is rotating said contour surface contacts said grinding wheel to rotate said contouring tool and grind said periphery of said grinding wheel with said contour surface to define a grinding wheel contour, said grinding wheel contour is operable to produce a blade profile on the blade of the ice skate, said adjustment device restricts movement of said contouring tool to maintain said axis of said fixed spindle parallel to said grinding wheel axis but permits a distance between said axis of said fixed spindle and said grinding wheel axis to change when moving said contouring tool between said engaged position and said disengaged position, said adjustment device includes a slide table connected to said contouring tool, said slide table is movable relative to said housing to engage said contouring tool with said periphery of said grinding wheel in said engaged position.