Shaving apparatus having a foil-like upper cutter and a foil-like lower cutter
US5377414A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 1, 1993 |
| Grant date | Jan 3, 1995 |
| Priority date | — |
| Expiry date | Nov 1, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B19/26
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
In a shaving apparatus (1) comprising a foil-like lower cutter in the form of a cutter blade (68) and an upper cutter in the form of a shear foil (63) the cutter blade (68) has hexagonal hair-entry apertures (145) arranged in a honeycomb pattern, and the shear foil (63) has square hair-entry apertures (119) and a slot-shaped hair-entry aperture (120) between every two adjacent square hair-entry apertures (119), the direction of two parallel cutting edges (132, 134) of the square hair-entry apertures (119) of the shear foil (63) and the direction of two parallel cutting edges (153, 156) of the hexagonal hair-entry apertures (145) of the cutter blade (68) subtending an angle between 5.degree. and 25.degree., preferably between 14.degree. and 15.degree..
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.