Roller attachments for work machines and operation thereof
US11624161B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 19, 2020 |
| Grant date | Apr 11, 2023 |
| Priority date | — |
| Expiry date | Nov 19, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C19/288
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A work machine includes a roller rotatably coupled with a chassis by a suspension and an actuator operatively coupled with the chassis and the suspension and adjustable to adjust the suspension and the roller to a first position wherein the roller is raised above an underlying ground surface with rearward and forward wheels contacting an underlying ground surface, a second position wherein the roller is in contact with the underlying ground surface with the rearward and forward wheels contacting the underlying ground surface, and a third position wherein the roller is in contact with the underlying ground surface with the rearward wheels contacting the underlying ground surface and the forward wheels raised above the underlying ground surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.