Blade set and hair cutting appliance
US10596715B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2014 |
| Grant date | Mar 24, 2020 |
| Priority date | — |
| Expiry date | Jun 29, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B19/06
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hair cutting appliance including a blade set including a first wall portion and a second wall portion, each wall portion defining a first surface, a second surface, and at least one toothed leading edge including a plurality of mutually spaced apart projections provided with respective tips, wherein the first surfaces of the first wall portion and the second wall portion face each other, at least at their leading edges, wherein facing projections, along the leading edges of the first and second wall portions are mutually connected at their tips to define a plurality of teeth, wherein the first surfaces of the first wall portion and the second wall portion define therebetween a guide slot for a movable blade and wherein the second surface of the first wall portion includes a smoothed transitional region at least at the forwardly extending projections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.