Rotary electric shaver with magnet biased blade units
US11045964B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 26, 2018 |
| Grant date | Jun 29, 2021 |
| Priority date | — |
| Expiry date | Dec 31, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B19/141
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A rotary electric shaver includes a main body in which a first transmission mechanism, and a connecting portion is disposed; a head unit in which a plurality of blade units each having an outer blade, an inner blade being in sliding contact with an inner surface of the outer blade, and a driven shaft rotating the inner blade are disposed, and a second transmission mechanism that transmits a power of the first transmission mechanism to rotate the driven shaft is built, and which is connected to the connecting portion. The head unit has a first magnet disposed at a position corresponding to each of the blade units. The main body has a second magnet disposed at a position facing and repelling the first magnet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.