Working device and working method
US7720190B2 · kind B2 · utility
2Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 2005 |
| Grant date | May 18, 2010 |
| Priority date | — |
| Expiry date | Mar 30, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E30/30
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A working apparatus has: a working equipment for doing works on a structure; a folding/unfolding mechanism for conveying the working equipment to the working position in a folded state; a conveyance mechanism (such as a horizontal thruster) for conveying the working equipment and the folding/unfolding mechanism to the working position; a pressing mechanism (such as a ballast tank) for pressing the working equipment against the lower surface of the structure; and a traveling mechanism including a wheel for traveling along the lower surface of the structure and positioning the apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.