Road roller
US4260280A · kind A · utility
23Cited by
9References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1979 |
| Grant date | Apr 7, 1981 |
| Priority date | — |
| Expiry date | Feb 26, 1999 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C19/282
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A road roller comprises a central frame part, a main drive including a hydraulic pump and a steering control carried by the main frame part. Replaceable roller units each including a frame part detachably mounted on the central frame part at a front and rear end, respectively, of the central frame part comprise front and rear rollers. A hydraulic motor and a hydraulic steering mechanism are incorporated in at least one of the roller units, the hydraulic motor being connected to the hydraulic pump to be powered thereby for driving the roller and the steering mechanism being connected to the steering control for steering the roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.