Electric rotary shaver
US6647626B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 12, 2001 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Jan 12, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B19/14
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
In an electric rotary shaver in which outer cutters are provided in outer cutter holes formed in a cutter frame so that the outer cutters can move in the axial direction and tilt in any desired direction with inner cutters disposed between the outer cutters and inner cutter drive shafts that are urged in the axial direction toward the outer cutter, the outer surfaces of the outer cutters and the inner surfaces of the outer cutter holes being caused to make a sliding contact so that the outer cutters tilt in any desired direction in the outer cutter holes. The circumference of each outer cutter is curved so as to snugly engage with the curved outer surface of each outer cutter hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.