| 发明名称 |
Method and apparatus for finishing concrete |
| 摘要 |
A power trowel is provided for finishing concrete. The trowel can be used to finish concrete at different stages of hardening. The handle of the trowel is rotated both to adjust the speed of rotation of the trowel blades and the cant of the trowel blades.
|
| 申请公布号 |
US6860675(B2) |
申请公布日期 |
2005.03.01 |
| 申请号 |
US20020315634 |
申请日期 |
2002.12.10 |
| 申请人 |
ROSE LAWRENCE K. |
发明人 |
ROSE LAWRENCE K. |
| 分类号 |
E04F21/24;(IPC1-7):E01C19/22 |
主分类号 |
E04F21/24 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
