Patent · US Active

Safety razor and blade unit for safety razor

US10391653B2 · kind B2 · utility

0Cited by

8References

20Claims

0Family size

Assignee

BEIERSDORF AG · DE

Inventors

Michael Lessmann · Hamburg, DE
Jens Treu · Norderstedt, DE
Kesen Zeng · Hamburg, DE
Yvonne Neumann · Hamburg, DE
Hiroyuki Nakasuka · Seki, JP
Ralf Hagens · Hamburg, DE
Philip Drescher · Hamburg, DE

Key dates

Filing date	Apr 27, 2015
Grant date	Aug 27, 2019
Priority date	—
Expiry date	Apr 27, 2035

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB26B21/521
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

Embodiments of the invention include a blade unit for a safety razor, comprising: a connecting structure configured to fix the blade unit to a handle; a blade housing comprising a plurality of blades having respective cutting edges lying in a shaving plane and being arranged to exert a cutting action when moved across a user's skin in a shaving direction; and a rear portion arranged next to the plurality of blades in the shaving direction, comprising a non-flexible concave back portion that arcuately bends away from the shaving plane, and a convex lubricating pad arranged on and being supported by the non-flexible concave back portion and which extends up to a rear edge of the rear portion of the blade unit.

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