Patent ID: 7628346

Claim:
A machine for rejuvenating poultry litter comprising: a deck that is substantially open at its forward side and bottom and having vertical end walls each with a bottom edge level with the bottom of the deck and provided between the vertical walls a top wall, a rear wall terminating at a lower edge and a front wall terminating at a lower edge above the bottom edge of the vertical walls; an upper front frame secured to the top wall and front wall of the deck and extending above the deck and being adapted for coupling with a tractor three point hitch; a skid secured to each vertical end wall adapted to slidably engage a poultry house floor, and each skid is aligned below and parallel to the bottom edge of each respective vertical end wall; a peripheral blade unit assembly within the deck including a transverse horizontal axis rotary shaft extending between the vertical end walls of the deck having a plurality of coaxial and equidistantly spaced peripheral blades secured along the shaft's length; each peripheral blade having a square mounting surface with an aperture there through, which the shaft passes for mounting of each blade, and the square mounting surface having four cutting edges for engaging hardened poultry litter radially situated on each blade extending perpendicular to the square mounting surface with two oppositely situated cutting edges extending leftward of the square mounting surface and two oppositely situated cutting edges extending rightward of the square mounting surface and with each cutting edge situated such that each cutting edge is oriented toward the forward side of the deck during rotary cutting; and a power drive means coupled to the shaft for receiving power input from a tractor power take-off.