Patent ID: 7743803

Claim:
A stump grinding wheel, comprising: a wheel disc including a first side, a second side opposing said first side, and an outer periphery extending between and interconnecting said sides; a plurality of recesses formed in said wheel disc periphery; a peripheral cutter assembly disposed in each one of said recesses and mounted on said wheel disc; and a plurality of side cutter assemblies mounted on said wheel disc, each one of said side cutter assemblies including: a first pocket and a second pocket, said first pocket being disposed on one of said first and second sides of said wheel disc and said second pocket being disposed on the other of the first and second sides of the wheel disc, each one of said pockets including a leading end and a trailing end and being formed with a pair of openings, said pair of openings being offset toward said trailing end from said leading end; a first opening of said pair of openings including a cross section that is different from a cross section of a second opening of the pair of openings; said first opening being disposed adjacent said trailing end of said first pocket, and said second opening being disposed adjacent said trailing end of said second pocket; a cutting tooth received in a selected one of said pair of openings formed in said first pocket, an opening formed in said wheel disc, and a selected one of said pair of openings formed in said second pocket; and a nut threadably engaging said cutting tooth, whereby upon tightening of said nut, said tooth is secured to said first and second pockets, and said pockets are secured to said wheel disc.