Patent ID: 7694704
Filing Date: 2010-04-13
Classification: A01G

Abstract:
1. A tree stump grinding wheel assembly comprising: a wheel having a first side surface provided with a first bore, and a second side surface provided with a second bore; a first grinding tooth and a second grinding tooth, each comprising a first impact pad and a second impact pad; and a fastener; wherein, the first grinding tooth and the second grinding tooth are fastened as a mating pair to the wheel using the fastener such that the cleat projecting from the inner surface of the first grinding tooth is received in the first bore and the first impact pad is compressed between the first side of the wheel and the inner surface of the first grinding tooth, the cleat projecting from the inner surface of the second grinding tooth is received in the second bore and the second impact pad is compressed between the second side of the wheel and the inner surface of the second grinding tooth, and the fastener extends through a hole formed in the mounting base portion of the first grinding tooth, a first opening in the first impact pad, a hole in the wheel, a second opening in the second impact pad, and a hole formed in the mounting base portion of the second grinding tooth.