Patent ID: 7850107
Filing Date: 2010-12-14
Classification: B02C

Abstract:
1. A rotor assembly for a tree mulching machine having a frame adapted to be coupled to a work vehicle, the rotor assembly comprising: a) a central driven shaft journaled for rotation in said frame; b) circular end plates disposed proximate opposed ends of said central driven shaft; c) first and second diametrically opposed rows of regularly spaced-apart, generally semicircular, arcuate support plates held in parallel spaced relation, the support plates in the first row being laterally offset to fall between the support plates in the second row; and d) a plurality of swing hammers mounted for free pivotal movement in a staggered pattern between said support plates in said first and second rows, each swing hammer including a main shaft extending between adjacent pairs of side flanges individually removably attached to an adjacent pair of support plates, a body member pivotally connected to the main shaft about a pivot axis oriented parallel to and spaced from the central driven shaft, and the body member having a generally flat tooth portion extending radially outward therefrom.