Patents Assigned to Bartell Industries Limited
  • Inclined cutter for surface cleaning head
    Patent number: 4725097
    Abstract: In apparatus for removing material from the surface of a solid substrate, a rotary cutter cage has a plurality of cutters where each cutter has a plurality of projecting cutter teeth. The improvement comprises an adaptation in mounting of the cutters on the cutter rotary cage to force a lateral movement in the cutters when they impact a solid substrate being treated during rotation of the rotary cutter cage.
    Type: Grant
    Filed: March 6, 1985
    Date of Patent: February 16, 1988
    Assignee: Bartell Industries Limited
    Inventor: Frank Zelenka