Patents Assigned to Usitech Nov Inc.
  • Patent number: 7980278
    Abstract: A brush cutting head having internally housed drive and bearing assemblies which can be easily attached/detached from the brush cutter housing without having to dismantle the drive assembly for improved productivity. The brush cutting head includes a hollow support body, a drive and bearing assembly housed at least partially within the hollow of the support body, a drive block mounted to extend within the hollow of the support body, and a motor provided with a torque transmitting driveshaft.
    Type: Grant
    Filed: August 17, 2007
    Date of Patent: July 19, 2011
    Assignee: Usitech Nov Inc.
    Inventors: Etienne Labbe, Rene Boivin
  • Patent number: 7967044
    Abstract: The present invention relates generally to brush cutting heads, and more specifically, to protective guard members for cutting tooth assemblies mounted on brush cutting heads. A brush cutting head includes a support body having a first end, an opposed second end and an intermediate portion extending therebetween. The intermediate portion has an outer surface. A plurality of collars is mounted to the support body at spaced intervals along the intermediate portion with each collar extending outwardly from the outer surface. The brush cutting head further also has a plurality of cutting teeth assemblies carried on the outer surface of the support body. Each cutting tooth assembly is associated with at least one collar. Also provided is 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 is carried on one of the collars with at least a portion thereof projecting beyond the outermost edge of the one collar.
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: June 28, 2011
    Assignee: Usitech Nov Inc.
    Inventors: Etienne Labbe, Rene Boivin