Patent ID: 7398805

Claim:
A stump cutting apparatus having a wheel supported carriage for a motorized tool, said apparatus comprising: a rigid main frame for operatively mounting a motorized tool, said rigid main frame comprising a single main rail intersecting a transverse header, said transverse header and said single main rail being in respective mechanical communication with two opposing structural members extending along sides of said apparatus and forming a generally A-shaped frame portion with said transverse header at the end of which are wheel axle means for mounting free-wheeling wheels for transporting said apparatus, an apex portion of said generally formed A-shaped frame portion being attached to said single main rail, and free-wheeling wheels mounted to said wheel axle means; means for towing said apparatus being provided at an end of said single main rail, said means for towing including a tow vehicle tongue and hitch receptacle assembly, a double hinged boom assembly mounted to said rigid main frame near an end of said single main rail opposite to that of said means for towing said apparatus, said double hinged boom assembly having a distally located, rotating cutting wheel having a plurality of radially extending cutting teeth circumferentially attached to the periphery of said cutting wheel, wheel means in mechanical communication with said single main rail for steering and maneuvering said apparatus, said wheel means being in an underlying relationship to said single main rail and said means for towing said apparatus; self-propulsion driven wheel means for urging or tractoring said apparatus forward and backward, said self-propulsion driven wheel means being in mechanical communication with and in an underlying relationship with said boom assembly; said boom assembly further comprising means for raising and lowering said self-propulsion driven wheel means for facilitating a transfer of a principal weight of said apparatus to and from said free-wheeling wheels for transporting said apparatus and said self-propulsion driven wheel means.