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US 4,019,380 AGranted
Underwater sampler
AssigneeBenthos, Inc.
InventorSamuel O. Raymond
Life of this patent
Estimating the term…
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.
Claims23
A sampler for obtaining a specimen of the bottom of a body of water comprising;
- a frame;
- ballast supporting means mounted to said frame for releasably supporting ballast whereby said sampler is caused to sink to the bottom of a body of water;
- first and second jaw members mounted on said frame for relative movement between an open position wherein said jaw members are spaced from one another and a closed position wherein said jaw members oppose each other and provide a specimen retaining pocket;
- jaw moving means for moving said jaw members relative to one another from said open position to said closed position;
- control means for independently initiating operation of said jaw moving means and causing said ballast supporting means to release ballast when said sampler reaches the bottom of a body of water;
- and
- buoyant means on said frame to return the sampler to the surface of the body of water after the ballast is released.
4 more elements
A free-fall type sampler for obtaining a specimen of the bottom of a body of water comprising;
- a frame;
- ballast supporting means supported by said frame for releasably holding ballast whereby said sampler is caused to sink to the bottom of a body of water;
- first and second jaw members supported by said frame for relative movement between an open position wherein said jaw members are spaced from one another and a closed position wherein said jaw members oppose each other and provide a specimen retaining pocket;
- jaw moving means for moving said jaw members relative to one another from said open position to said closed position;
- control means for independently and simultaneously initiating operation of said jaw moving means and causing said ballast supporting means to release ballast when said sampler reaches the bottom of a body of water;
- and
- bouyant means supported by said frame for returning the sampler to the surface of the body of water after the ballast is released.
4 more elements
Dependencies are inferred from the claim text.