Rotary shaving unit
US9555551B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 24, 2012 |
| Grant date | Jan 31, 2017 |
| Priority date | — |
| Expiry date | Jul 30, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B19/3846
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A shaving unit includes a cap having an annular shaving track defining an axis. The shaving track is provided with hair entry apertures which have a V-shaped forward edge with a point directed in a cutting direction. Further, a rotary cutter has a plurality of cutter blades, where the rotary cutter is configured to rotate about the axis such that the cutter blades follow the shaving track in the cutting direction to cut hairs protruding through the hair entry apertures. The cutter blades have a V-shaped cutting edge, where a point of the V-shaped cutting edge is directed opposite to the direction of rotation of the rotary cutter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.