Electric rotary shaver
US7222428B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 21, 2005 |
| Grant date | May 29, 2007 |
| Priority date | — |
| Expiry date | Nov 15, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B19/14
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An electric rotary shaver including: a locking member (50) having a plurality of arms (54) outwardly extending from the center, a cutter retaining plate (38) that engages with outer circumferential rims of outer cutters (24) and rotatably holds inner cutters (32), guide pins (56) provided on the tip ends of the arms (54) and slidably pass through the cutter retaining plate (38), permanent magnets (62) fastened to the cutter frame (20) and attach the guide pins (56) by magnetic attraction in a detachable manner, compression coil springs (64) mounted on the guide pins (56) and provided in a compressed state between the arms (54) and the cutter retaining plate (38), and anchoring elements (66, 68) which prevents a locking member (50) from being separated from the cutter retaining plate (38) by more than a predetermined gap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.