Patent ID: 7163067
Filing Date: 2007-01-16
Classification: A01B

Abstract:
1. A ground maintenance machine having: (i) a pair of ground rotors, each having at least one operating member wherein said operating member contacts the ground when in use, the ground rotors being timed to operate simultaneously with their operating members rotating in unison and having a similar orientation with only a relatively small distance between each ground rotor, wherein the pair of ground rotors comprise a front ground rotor and a rear ground rotor relative to a direction of travel of the ground maintenance machine; (ii) a deflector located intermediate each of the ground rotors and occupying said relatively small distance; (iii) a lift rotor located above said pair of ground rotors in unison with the operating members of the rear ground rotor and having a similar orientation with only a relatively small distance between the lift rotor and the rear ground rotor with the front ground rotor spaced from the lift rotor by a larger distance; (iv) a front deflector located in advance of the front ground rotor and the lift rotor; and (v) a rear deflector located rearwardly of the rear ground rotor and the lift rotor whereby each of the pair of ground rotors and lift rotor are located in a housing having a rear exit for transport of debris or loose ground material generated by the pair of ground rotors in use.