| 发明名称 |
SELF-BALANCING SPREADER BEAM |
| 摘要 |
A lifting device may include a level setting portion and an adjustable beam assembly pivotally secured to the level setting portion and including a structural beam portion and an adjustment portion configured for translating along the structural beam portion, where the adjustable beam assembly includes a sensor for sensing when the structural beam portion is unbalanced and an actuation system for translating the adjustment portion to bring the structural beam portion into a balanced condition. |
| 申请公布号 |
US2015307328(A1) |
申请公布日期 |
2015.10.29 |
| 申请号 |
US201414264727 |
申请日期 |
2014.04.29 |
| 申请人 |
National Oilwell Varco, L.P. |
发明人 |
Hey John E. |
| 分类号 |
B66C1/10 |
主分类号 |
B66C1/10 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A lifting device, comprising:
a level setting portion; and an adjustable beam assembly pivotally secured to the level setting portion, comprising:
a structural beam portion; andan adjustment portion configured for translating along the structural beam portion; wherein the adjustable beam assembly includes a sensor for sensing when the structural beam portion is unbalanced and an actuation system for translating the adjustment portion to bring the structural beam portion into a balanced condition. |
| 地址 |
Houston TX US |
