Device for milling ground surfaces, specially roadways

US6457779B1 · kind B1 · utility

Assignee

• Wirtgen GmbH

Inventors

• Peter Busley · Linz, DE
• Olaf Gaertner · Farster Bauerschaft, DE
• Herbert Ley · Wellsboro, US

Key dates

• Filing date: Sep 28, 2000
• Grant date: Oct 1, 2002
• Expiry date: Sep 28, 2020

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E01C23/088
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

A device for milling off ground surfaces, especially roadways In a device for milling off ground surfaces (2), especially roadways, comprising a track assembly (4) supporting a machine frame (6), a rolling mill (8) supported in the machine frame (6) and extending transverse to the traveling direction, at least one conveying means (10) arranged in the traveling direction in front of the milling roll (8), for transporting away the milled off material, and a roll casing (18) with a passage opening (22) for the milled of material, facing the conveying means (10), it is provided that the end of the conveying means (10) at the milling roll is supported in a belt shoe (16) fixed at the machine frame (6) so as to be vertically adjustable, and wherein the belt shoe (16) and the conveying means (10) form a rigid unit that cannot be pivoted in relation to each other.