Rotary electric shaver
US9364960B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2013 |
| Grant date | Jun 14, 2016 |
| Priority date | — |
| Expiry date | Jun 13, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B19/14
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A rotary electric shaver with an outer cutter having a circular shaving top surface with numerous hair introduction openings and an inner cutter having a small cutter slidably rotating in contact with a bottom surface of the outer cutter. The rotary electric shaver includes an outer cutter set wherein the outer cutter is assembled in an outer cutter holding unit and an inner cutter set wherein the inner cutter is assembled in an inner cutter holding unit. The outer cutter set and the inner cutter set are respectively provided with a positioning convex portion on one and a positioning concave portion on the other. The positioning convex portion can fit in the positioning concave portion such that the outer cutter set can be assembled with the inner cutter set only in a case where the outer cutter set and the inner cutter set are in a predetermined assembly position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.