Pushing device
US9145649B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 24, 2012 |
| Grant date | Sep 29, 2015 |
| Priority date | — |
| Expiry date | Mar 5, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C2301/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A pushing device that can be attached to a road paver or feeder vehicle. The pushing device is attachable to a chassis component of the road paver or the feeder vehicle and comprises a pushing unit that is attached in a movable manner to the chassis component by means of at least a spring-absorber unit. The pushing unit can be displaced relative to the chassis component in a first direction and a second direction, whereby the spring-absorber unit has a greater spring rate during a movement of the pushing unit in the first direction than in the second direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.