Patent ID: 7967044
Filing Date: 2011-06-28
Classification: A01G,B02C,Y10T

Abstract:
1. A brush cutting head comprising: a support body having a first end, an opposed second end and an intermediate portion extending therebetween; the intermediate portion having an outer surface; a plurality of collars mounted to the support body at spaced intervals along the intermediate portion, each collar extending outwardly from the outer surface; a plurality of cutting teeth carried on the outer surface of the support body, each cutting tooth being associated with at least one collar; at least one guard member for protecting at least one cutting tooth of the plurality from impacts with hard objects, the at least one guard member being carried on one of the collars with at least a portion thereof projecting beyond the outermost edge of the one collar; wherein; the plurality of collars includes first, second, third and fourth collars; the second collar being disposed between the first the third collars; the third collar being disposed between the second and fourth collars; the at least one guard member including first, second, third and fourth guard members; the first guard member being carried on the first collar, the second guard member being carried on the second collar, the third guard member being carried on the third collar and the fourth guard member being carried on the fourth collar; the support body is a cylindrical support body; the outer surface of the support body is a curved surface defining the circumference of the support body; the first guard member is circumferentially spaced from the second guard member; the second guard member is circumferentially spaced from the third guard member; the third guard member is circumferentially spaced from the fourth guard member; the plurality of cutting teeth includes first, second and third cutting teeth; the first cutting tooth being mounted between the first and second collars, the second cutting tooth being mounted between the second and third collars, the third cutting tooth being mounted between the third and fourth collars; the second guard member is disposed forwardly of the first cutting tooth; the third guard member is disposed forwardly of the second cutting tooth; the fourth guard member is disposed forwardly of the third cutting tooth; the outermost edge of each of the first and second guard members defines a protective envelope; the protective envelope defined by the first guard member at least partially encompasses the second cutting tooth; the protective envelope defined by the second guard member at least partially encompasses the third cutting tooth; each cutting tooth has a cutting portion terminating with a leading cutting edge; and the protective envelope defined by the first guard member substantially encompasses the cutting portion of the second cutting tooth.