Patent · US Expired

Shaving head for dry shavers

US4578861A · kind A · utility

5Cited by

2References

12Claims

0Family size

Assignee

The Braun Corporation · DE

Inventors

Otto Schweingruber · Tangerhütte, DE
Peter Hilfinger · Bad Homburg vor der Höhe, DE
Dietrich Pahl · Hofheim, DE

Key dates

Filing date	Dec 30, 1983
Grant date	Apr 1, 1986
Priority date	—
Expiry date	Dec 30, 2003

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB26B19/386
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

In a shaving head for dry shavers with a shaving head frame removably disposed on the shaver housing an an interchangeable frame insertable therein, in which a shaving foil cooperating with a reciprocating cutting head is convexly tensioned, the interchangeable frame is positively locked directly to the shaver housing.

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