Cutter bit assembly

US4557525A · kind A · utility

Assignee

• Gewerkschaft Eisenhutte Westfalia GmbH · DE

Inventors

• Gerhard Merten · L Atkinson Lane, DE
• Oswald Breuer · Lichtenau, DE
• Norbert Hesse · Bochum, DE
• Bernd Steinkuhl · Grafenau, DE

Key dates

• Filing date: May 14, 1984
• Grant date: Dec 10, 1985
• Expiry date: May 14, 2004

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T407/1938
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

A cutter bit assembly comprises a holder and a cutter bit. The holder is formed with a pocket into which the cutter bit can be inserted. The cutter bit is retained within the pocket by means of an arcuate wedge inserted into a tapered gap formed between respective curved support faces formed on the cutter bit and the holder.