Patent · US Active

Safety razor and blade unit for safety razor

US11279053B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

KAI R&D CENTER CO., LTD. · JP

Inventors

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

Key dates

Filing date	Apr 27, 2015
Grant date	Mar 22, 2022
Priority date	—
Expiry date	Jun 29, 2037

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB26B21/44
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

Disclosed is a blade unit for a safety razor comprising a connecting structure for fixing the blade unit to a handle, a blade housing comprising a plurality of blades having cutting edges lying in a shaving plane, and a rear portion next to the plurality of blades, comprising a non-flexible back portion extending parallel to the shaving plane, and a lubricating pad having a flexible portion and a non-flexible portion, the non-flexible portion being arranged on and supported by the non-flexible back portion, the flexible portion extending rearwards from the non-flexible portion beyond the non-flexible back portion to define a rear edge of the rear portion of the blade unit, the flexible portion forming a convex skin-contacting surface when bending away from the shaving plane in use.

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