Dental chair

US4456297A · kind A · utility

Assignee

• Sybron Corporation · US

Inventors

• Helmut Pietschmann · Waldbronn, DE
• Herbert Lipp · Remchingen, DE

Key dates

• Filing date: May 18, 1981
• Grant date: Jun 26, 1984
• Expiry date: May 18, 2001

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61G15/02
• WIPO field: Furniture, games
• WIPO sector: Other fields

Abstract

A dental chair has its backrest connected to the seat by a scissor linkage arrangement which effects the moving together of the contiguous portions of the backrest and seat concurrently with movement of the backrest from an upright to a reclined position.