Patent · US Active

Pushing device

US9145649B2 · kind B2 · utility

6Cited by
17References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 24, 2012
Grant dateSep 29, 2015
Priority date
Expiry dateMar 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.