Electric appliance for personal care
US10913171B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2018 |
| Grant date | Feb 9, 2021 |
| Priority date | — |
| Expiry date | Apr 11, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B19/3873
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention relates to electric appliances for personal care, in particular electric shavers, comprising a magnetic linear drive unit having first and second drive components supported for linear displacement relative to each other by a first spring device and adapted to magnetically interact with each other, and a second spring device for movably linking the drive unit to a structural element of the appliance. The first spring device is made from plastics such as long-chained PPS, whereas the second spring device is made from steel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.