Process and apparatus for handling a diving machine
US4245578A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 16, 1978 |
| Grant date | Jan 20, 1981 |
| Priority date | — |
| Expiry date | Aug 16, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C13/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Apparatus for handling a submersible device, such as a diving bell, includes a winch mounted on a support structure and having a suspension cable with a free end at which the submersible device is suspended, a guide structure fixed to the support structure and having two guidance ramps, each having a portion thereof extending below a water surface, a traveller having two parallel side members with a guidance device thereon which slidably cooperates with the two guidance ramps, a pulley back including two upper pulleys secured to the guide structure and a movable lower pulley fixed to the traveller with the suspension cable passing over the upper and lower pulleys so as to form n strands, and a locking device for releasably connecting the submersible device to the traveller. The submersible device is lowered into the water with the traveller at a slow speed equal to the unwinding speed of the cable from the winch divided by the number of strands n formed by the pulley block until the submersible device completely passes the air-water interface and is then disconnected from the traveller and lowered further into the water at the cable unwinding speed so as to eliminate the effect of …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.