Star-shaped flexible cutting line
US4869055A · kind A · utility
52Cited by
26References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 4, 1988 |
| Grant date | Sep 26, 1989 |
| Priority date | — |
| Expiry date | May 4, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D34/4168
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A line for a rotating trimmer, the line having a plurality of sharp edges extending longitudinally thereof and spaced circumferentially from each other, with remainder portions, between adjacent edges, depressed, each of the depressions being depressed at least 10 percent of the straight line distance between two adjacent edges on opposite sides thereof. Such line presents only sharpened edges to the material to be cut.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.