Tool holder and combination of a tool holder and tool

US10046479B2 · kind B2 · utility

Assignees

• Wirtgen GmbH
• Betek GmbH & Co. KG · DE

Inventors

• Thomas Lehnert · Oberraden, DE
• Karsten Buhr · Willroth, DE
• Cyrus Barimani · Rübhausen, DE
• Heiko Friederichs · Schenkenzell, DE
• Karl Kammerer · Fluorn-Winzeln, DE
• Markus Roth · Schenkenzell, DE

Key dates

• Filing date: Sep 1, 2014
• Grant date: Aug 14, 2018
• Expiry date: Dec 10, 2034

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E21C35/1933
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

A chisel holder for a ground processing machine includes a base portion including a chisel receiver and a holder receiver. The chisel receiver includes a chisel introduction region for receiving a threaded shaft of a chisel. The holder receiver is configured to receive an internally threaded nut. The holder receiver includes at least one retention face configured to secure the nut against rotation at a peripheral side or the nut.