| 发明名称 |
Automated tree spade centering device |
| 摘要 |
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.
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| 申请公布号 |
US7073452(B1) |
申请公布日期 |
2006.07.11 |
| 申请号 |
US20050220434 |
申请日期 |
2005.09.07 |
| 申请人 |
MANKE TODD M;SMITH DARREN A |
发明人 |
MANKE TODD M.;SMITH DARREN A. |
| 分类号 |
A01C11/00;A01B13/00;A01G23/02;A01G23/06 |
主分类号 |
A01C11/00 |
| 代理机构 |
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代理人 |
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