Cutter head assembly
US4089109A · kind A · utility
3Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 17, 1977 |
| Grant date | May 16, 1978 |
| Priority date | — |
| Expiry date | Jan 17, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2022/005
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A cutter head assembly for a foil type electric dry shaver wherein the outer cutter foil is provided with a plurality of bowed arcuate outer cutting surfaces and wherein the inner cutter assembly comprises a balanced arrangement of individual blade members each having a plurality of arcuate cutting edges for engagement with the undersurface of the bowed arcuate outer cutting foil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.