×

Method and apparatus for cutting rumble strips in roads

  • US 6,454,490 B1
  • Filed: 02/14/2001
  • Issued: 09/24/2002
  • Est. Priority Date: 02/14/2001
  • Status: Active Grant
First Claim
Patent Images

1. An attachment for cutting rumble strips in a surface, comprising:

  • a cutter wheel having teeth thereon;

    a flywheel coupled with said cutter wheel;

    a motor coupled with said cutter wheel for rotating said cutter wheel and said flywheel;

    at least one rotatable eccentric cam coupled with said cutter wheel and wherein upon rotation of said eccentric cam said cutter wheel is moved up and down by the eccentric cam with respect to said surface, and wherein said eccentric cam exerts a positive downward pressure on the cutter wheel during downward movement of the cutter wheel; and

    a gear box coupled with said at least one eccentric cam for rotating said eccentric cam.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×