Patent ID: 7513370

Claim:
A portable trommel, comprising: a chassis having at least one wheel assembly positioned at a distal end; a feed hopper positioned at a forward end of said chassis; a feed conveyor disposed beneath said feed hopper and extending to a rotary screening trommel; a first product conveyor extending from a rearward end of said chassis to a forward end and being positioned beneath said trommel; a second product conveyor extending from a rearward end of said chassis and rotatably attached to said chassis; a stacking conveyor extending from said forward end of said chassis, said radial stacking conveyor rotatable about at least one axis; said trommel being driven by a chain drive at a discharge end of said trommel; said chain drive having a trommel sprocket disposed on said rotary screening trommel and a chain extending from a drive sprocket about said trommel sprocket; said chain drive having a motor positioned beneath and substantially vertically aligned with a discharge end of said rotary trommel for transmitting torque to said rotary trommel at said discharge end.