Dental handpiece

US4460337A · kind A · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Hermann Landgraf · Lorsch, DE
• Werner Schuss · Heppenheim, DE
• Rainer Worschischek · Lorsch, DE

Key dates

• Filing date: Aug 13, 1982
• Grant date: Jul 17, 1984
• Expiry date: Aug 13, 2002

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61C1/088
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

The present invention is directed to a dental handpiece having two parts which are coupled together for relative rotation on the axis of the dental handpiece characterized by an arrangement for conveying light through the handpiece and including a rotatable optical coupling having at least one transmission ring.