Oral hygiene device

US8631532B2 · kind B2 · utility

Assignee

• The Braun Corporation · DE

Inventors

• Joern Utsch · Eschborn, DE
• Norbert Schaefer · Frankfurt am Main, DE

Key dates

• Filing date: Jul 25, 2012
• Grant date: Jan 21, 2014
• Expiry date: Jul 25, 2032

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61C17/3436
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An oral cleaning tool for an electric oral hygiene device is disclosed. The oral cleaning tool includes a housing having a head section with a head cavity for accommodating a movable oral cleaning head and a neck section with a neck cavity and a handle coupling section; a first magnetic coupling element including at least a permanent magnet or a magnetizable element being provided in the neck section for mechanical handle drive shaft connection by magnetic interaction. The first magnetic coupling element is mounted at a motion transmitter, the motion transmitter extending inside the neck cavity to the head cavity, the motion transmitter arranged so as to be movable in a linear or longitudinal direction. The motion transmitter is coupled with the oral cleaning head, the oral cleaning head arranged so as to oscillate in a rotational direction.