Patent · US Expired

Shaving head for a hair cutting apparatus

US6966116B2 · kind B2 · utility

18Cited by

9References

26Claims

0Family size

Assignee

The Braun Corporation · DE

Inventors

Andreas Peter · Celle, DE
Werner Haczek · Idstein, DE
Thosten Piesker · Bad Homburg vor der Höhe, DE
Stefan Furst · Kronberg, DE
Wolfgang Franke · Langen, DE

Key dates

Filing date	Oct 20, 2004
Grant date	Nov 22, 2005
Priority date	—
Expiry date	Oct 20, 2024

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB26B19/042
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

The invention is directed to a shaving head for a hair cutting apparatus, with at least one outer cutter and at least one under cutter associated therewith and having cutting edges, said cutters being movable relative to one another by a drive mechanism, with the outer cutter having an engagement surface comprised of bars and slots, which slots are open at least towards one of two lateral boundary lines of the engagement surface, said boundary lines defining the width of the engagement, wherein the bars are shaped in a meandering, sinusoidal or serpentine configuration extending to and from between the two opposite lateral boundary lines of the engagement surface.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.