Stationary blade, blade set, and manufacturing method
US11370134B2 · kind B2 · utility
9Cited by
9References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 9, 2018 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | May 5, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B19/3893
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A stationary blade for a blade set of a hair cutting appliance includes a top wall, a bottom wall, and a guide slot formed between the top and bottom walls to accommodate a movable blade. The stationary blade further includes a plurality of stationary blade teeth each having a frontal end. The top and bottom walls are mutually joined at the frontal ends, where the top and bottom walls are, at least at the frontal ends, made from sheet metal material. Further, at the frontal ends, two or more sheet metal folded edges are present.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.