Method and apparatus for cutting rumble strips in roads
US6454490B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 14, 2001 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Feb 14, 2021 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C23/0993
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus and method of using the apparatus for creating rumble strips in a surface such as asphalt or concrete, including a vehicle with an attachment coupled thereto. The attachment includes a cutter wheel having teeth thereon and a flywheel coupled with the cutter wheel. A hydraulic motor is coupled with the cutter wheel for rotating the cutter wheel and the flywheel. Eccentric cams are provided for moving the cutter wheel vertically with respect to the surface being cut, and a gear box is coupled with the eccentric cams for rotating the eccentric cams. The eccentric cams do not contact the surface being cut. The apparatus further includes a sliding assembly coupled with the cutter wheel. The sliding assembly is both horizontally and vertically movable with respect to the surface being cut.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.