Retractable towing shackle
US4788927A · kind A · utility
17Cited by
5References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 29, 1988 |
| Grant date | Dec 6, 1988 |
| Priority date | — |
| Expiry date | Jan 29, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B21/56
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for towing an offshore structure which is protected from damage caused by ice impinging on the walls of the structure when the apparatus is not in use by positioning a retractable towing shackle within a recess in an outer wall of the structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.