Blade set for hair clipper
US7913399B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 14, 2007 |
| Grant date | Mar 29, 2011 |
| Priority date | — |
| Expiry date | Sep 1, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B19/06
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A blade set for hair clipper which has a lower fixed blade, an upper fixed blade, a movable blade assembly and a blade holder. The movable blade assembly is disposed in between the lower fixed blade and the upper fixed blade and is connected to a driving means driven by a driving unit in the hair clipper to reciprocate laterally relative to the lower fixed blade and the upper fixed blade in an operating condition. A third toothed front edge is provided at a front end of the movable blade assembly. A lower portion of the third toothed front edge cooperates with an upper portion of the first toothed front edge to define a first cutting surface. An upper portion of third toothed front edge cooperates with a lower portion of the second toothed front edge to define a second cutting surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.