Method and apparatus for cutting rumble strips in roads

DETAILED DESCRIPTION It is an object of the present invention to provide a machine for creating rumble strips that conserves energy.
It is a further object of the present invention to provide a machine for cutting rumble strips that is able to cut rumble strips without interrupting the forward motion of the machine.
According to the present invention, the foregoing and other objects are achieved by an apparatus for creating rumble strips in a surface such as asphalt or concrete.
This apparatus includes a vehicle with an attachment coupled therewith.
The attachment includes a cutter wheel having teeth thereon, a flywheel coupled with the cutter wheel, a first hydraulic motor coupled with the cutter wheel for rotating the cutter wheel and the flywheel, eccentric cams for moving the cutter wheel vertically with respect to the surface being cut, a gear box and second hydraulic motor coupled with the eccentric cams, and a sliding assembly that is both horizontally and vertically movable with respect to the surface being cut.
The sliding assembly is coupled with the cutter wheel.
The eccentric cams do not contact the surface being cut.
The present invention further includes a method for cutting rumble strips in a road using the apparatus described above.
Additional objects, advantages, and novel features of the invention will be set forth in the description that follows and in part will become apparent to those skilled in the art upon examination of the following, or may be learned by practice of the invention.