Double-blade hair trimming device
US9381655B2 · kind B2 · utility
23Cited by
52References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 16, 2013 |
| Grant date | Jul 5, 2016 |
| Priority date | — |
| Expiry date | Jun 16, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B19/3846
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A double-blade hair trimming device having a trimmer handle, a blade head, and a driving device disposed inside the trimmer handle. The device has both a thick blade unit used for trimming hard, thick and long hair, and a thin blade unit used for trimming short and fine hair. Hair on the skin can be tidily trimmed by just one shave or one shave in each of two opposite directions. The length of the hair after shaving is less than 0.1 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.