Patent · US Active

Scraper bar for a scraper blade of a road milling machine

US10563363B2 · kind B2 · utility

1Cited by

10References

26Claims

0Family size

Assignees

Wirtgen GmbH
Betek GmbH & Co. KG · DE

Inventors

Cyrus Barimani · Rübhausen, DE
Thomas Lehnert · Oberraden, DE
Andreas Salz · Linz, DE
Heiko Friederichs · Schenkenzell, DE
Andreas Rapp · Hamburg, DE
Simon Kramer · Schorndorf, DE
Ulrich Kramer · Bensberg, DE

Key dates

Filing date	Jul 24, 2018
Grant date	Feb 18, 2020
Priority date	—
Expiry date	Jul 24, 2038

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE02F3/8152
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

The invention relates to a scraper bar (20) for a scraper blade (68) of a road milling machine, having a carrier (10) that comprises a front side and a rearward installation surface (17), the carrier (10) comprising a cutting-element receptacle (13), cutting elements (30) being held, serially arranged along a longitudinal axis (L) extending in a width direction of the carrier (10), on or in the cutting-element receptacle (13), and the cutting elements (30) comprising a cutting edge (35.1) that transitions indirectly or directly into a rake surface (35). In order to improve the working result, provision is made according to the present invention that at least for some of the cutting elements (30), the cutting edge (35.1) is set at least locally not parallel to the longitudinal axis (L).

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