Automated tree spade centering device
US7073452B1 · kind B1 · utility
2Cited by
1References
18Claims
0Family size
Inventors
Key dates
| Filing date | Sep 7, 2005 |
| Grant date | Jul 11, 2006 |
| Priority date | — |
| Expiry date | Sep 7, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01G23/043
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An automated device for centering a mechanical tree spade provides a sighting device on each blade thereof with a readout adjacent to the operator to determine proper blade placement in order to provide an acceptable root ball for transplanting a tree.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.