Patent · US Active

Ground preparation machine, in particular a compactor

US9670628B2 · kind B2 · utility

2Cited by

8References

18Claims

0Family size

Assignee

Hamm AG · DE

Inventors

Thomas Bletscher · Weiden in der Oberpfalz, DE
Gerd Koestler · Tirschenreuth, DE

Key dates

Filing date	Dec 16, 2015
Grant date	Jun 6, 2017
Priority date	—
Expiry date	Dec 16, 2035

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE02D3/026
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A ground preparation machine, in particular a compactor, comprises at least one roller (16) rotatable around an axis of rotation of the roller (A) and, attached to the at least one roller (16), at least one scraper device (36, 38) for scraping off material adhering to the outer peripheral region (26) of the roller (16), wherein the scraper device (36, 38) comprises a scraper bar (40) extending along the roller (16), the scraper bar (40) being designed to provide a first scraper region (58) for scraping off material from a roller having an essentially untextured outer peripheral region (26) and to provide a second scraper region (66) for scraping off material from a roller having a textured outer peripheral region (26).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.