Blade set, hair cutting appliance, and related manufacturing method
US10751891B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 20, 2015 |
| Grant date | Aug 25, 2020 |
| Priority date | — |
| Expiry date | Jun 13, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/72
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A stationary blade for a blade set in a hair cutting appliance and method of manufacturing the stationary blade. The stationary blade comprising a first wall portion arranged as a skin facing wall in operation, a second wall portion at least partially offset from the first wall portion. The first and second wall portions defining a guide slot therebetween, arranged to receive a movable cutter blade. At least one toothed leading edge comprising a plurality of teeth jointly formed by the first wall portion and the second wall portion. The stationary blade being an integrally formed metal-plastic composite blade. The first wall portion being at least partially made from a metal material. The second wall portion being at least partially made from a plastic material. The first and second wall portions being arranged to receive the movable cutter blade in the guide slot in a defined mating manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.