Underwater sampler
US4019380A · kind A · utility
5Cited by
3References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 8, 1976 |
| Grant date | Apr 26, 1977 |
| Priority date | — |
| Expiry date | Mar 8, 1996 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B49/025
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A free-fall underwater sampler comprises a pair of jaw members and ballast supporting containers in which the jaw members and containers are operated simultaneously and independently of one another. A safety mechanism is also provided for preventing premature closing of the jaw members and release of the ballast. Other features and advantages are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.