Hair trimmer
US4498237A · kind A · utility
13Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 18, 1983 |
| Grant date | Feb 12, 1985 |
| Priority date | — |
| Expiry date | Jan 18, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B19/20
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention is a cutting unit having multiple sets of tandem blades; each set being composed of a first toothed blade moved reciprocatingly in a cutting motion relative to a second tooth blade. The blades are preferably curved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.