Cantilevered mobile marine rig with hydraulic load equalizer
US4483644A · kind A · utility
28Cited by
6References
14Claims
0Family size
Inventor
Key dates
| Filing date | Sep 15, 1982 |
| Grant date | Nov 20, 1984 |
| Priority date | — |
| Expiry date | Sep 15, 2002 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02B2017/0082
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Disclosed is a cantilever mobile marine rig with hydraulic load equalizer. The rig includes a deck structure and a cantilever assembly slidingly mounted on the deck structure. The hydraulic load equalizer includes a plurality of hydraulic cylinder and piston assemblies positioned between the deck structure and the cantilever assemblies. The hydraulic cylinder and piston assemblies each have substantially the same effective area and are interconnected so as to allow substantially free and unimpeded flow of hydraulic fluid among the cylinder and piston assemblies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.