| 发明名称 |
ADZER MACHINE HAVING FAILSAFE HEAD ASSEMBLY |
| 摘要 |
A head assembly is provided for use with adzer machine. The head assembly may have a lift frame, and a cutting head rotationally connected to the lift frame. The head assembly may also have a skid, and a single-acting hydraulic cylinder connecting the skid to the lift frame. The head assembly may further have a spring connecting the skid to the lift frame. |
| 申请公布号 |
US2015033975(A1) |
申请公布日期 |
2015.02.05 |
| 申请号 |
US201313957153 |
申请日期 |
2013.08.01 |
| 申请人 |
Progress Rail Services Corporation |
发明人 |
WEST Ronald Gary |
| 分类号 |
E01B31/22 |
主分类号 |
E01B31/22 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A head assembly for an adzer machine, comprising:
a lift frame; a cutting head rotationally connected to the lift frame; a skid; a single-acting hydraulic cylinder connecting the skid to the lift frame; and a spring connecting the skid to the lift frame. |
| 地址 |
Albertville AL US |
