Marker buoy
US4103379A · kind A · utility
21Cited by
4References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 9, 1977 |
| Grant date | Aug 1, 1978 |
| Priority date | — |
| Expiry date | Sep 9, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B2205/04
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A marker buoy is provided with an inflatable body portion and a centrally disposed core portion. The core portion has a hub and side walls which define an annular recess about the marker buoy within which an anchor line can be wound. Resilient finger elements extend across the recess and act to prevent the anchor line from further unwinding after an anchor weight at the free end of the line unwinds the line to anchor the buoy. Drifting of the buoy from a selected location on the water's surface is thereby avoided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.