Shaving head with multiple shaving units

US9592613B2 · kind B2 · utility

Assignee

• The Braun Corporation · DE

Inventors

• Thorsten Pohl · Bad Hersfeld, DE
• Joachim Krauss · Seeheim-Jugenheim, DE
• Tobias Schwarz · Blaustein, DE
• Peter Junk · Seelenberg, DE
• Reinhold Eichhorn · Idstein, DE
• Andreas Peter · Celle, DE
• Michael Odemer · Florstadt, DE
• Martin Fuellgrabe · Kronberg, DE
• Christoph Zegula · Frankfurt, DE
• Alois Koeppl · Cratzenbach, DE
• Stefan Fuerst · Kronberg, DE

Key dates

• Filing date: Jul 29, 2011
• Grant date: Mar 14, 2017
• Expiry date: Dec 22, 2034

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B26B19/06
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A shaving head for an electric dry shaver includes a base element for carrying at least three cutter units. Each unit provides an outer cutter and an inner cutter arranged to be moved in sliding contact relative to each other. At least one cutter unit includes a foil-type outer cutter. The shaving head further includes a first trimmer-type cutting unit that has a plurality of slots defined by a plurality of adjacent bar elements featuring cutting edges. The shaving head also includes a second trimmer-type cutting unit having an outer cutter that includes a plurality of teeth featuring cutting edges and spaced apart from each other so as to define a plurality of slits.