Hair cutting device
US10265799B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 11, 2014 |
| Grant date | Apr 23, 2019 |
| Priority date | — |
| Expiry date | Oct 26, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/00601
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present application relates to a device for cutting hair comprising a skin contacting face (3) that is placed against a surface of the skin (6) of a user during use. The device also has an optical system configured to direct a cutting laser beam (8) across a cutting zone (5) parallel to and spaced from said skin contacting face to cut hairs extending into the cutting zone. Also provided is a laser positioning mechanism which is arranged so that, during use of the device, the distance (H1) between said cutting laser beam and said skin contacting face is changed to maintain a predetermined distance between the cutting laser beam and the surface of the skin of a user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.