Curved pruner blades
US5086819A · kind A · utility
4Cited by
4References
2Claims
0Family size
Inventor
Key dates
| Filing date | May 11, 1990 |
| Grant date | Feb 11, 1992 |
| Priority date | — |
| Expiry date | May 11, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01G23/095
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An improved blade element for a mechanized tree pruner has an upwardly extending blade face which has a concave curvilinear cross section designed so as to provide a closer cut when the mechanized tree pruner is forced upwardly and the pruning knives forced through the individual limbs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.