Marine anchor
US4261281A · kind A · utility
3Cited by
7References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 29, 1979 |
| Grant date | Apr 14, 1981 |
| Priority date | — |
| Expiry date | Mar 29, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B21/44
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A stockless marine anchor having multiple-pointed twin flukes balanced symmetrically about and secured to a shaft having a shank means connected thereto for moving the flukes into anchoring position and means for releasing the flukes from the anchoring position. In one embodiment, two releasing rings are provided, one on each fluke, and the shank means is mounted for limited rotation on the fluke shaft. In a second embodiment, a spring-biased plunger enclosed within the shank releases the shank for rotation on the fluke shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.