Inflatable buoyancy device with water-dependant triggering...

Details Inflatable buoyancy device with water-dependant triggering... Inflatable buoyancy device with water-dependant triggering...

2007-06-15

2009-06-02

Sotelo, Jesus D (Department: 3617)

Buoys, rafts, and aquatic devices

Buoy

Marker buoy

Reexamination Certificate

active

07540796

ABSTRACT:
This invention is directed toward a device which provides buoyancy to objects with negative buoyancy in water. The invention comprises a water-sensitive trigger which, when activated, causes a balloon to inflate, causing the object to float upon the surface where the user can then easily and safely retrieve it, through one of two mechanisms: first, a compressed gas is allowed to exit a canister and enter a balloon, second, one or more substances which, when mixed with water will produce bubbles are exposed to water and the balloon is filled with bubbles from the chemical reaction. There are a number of variable characteristics, including canister size and shape, trigger fuse length, balloon configuration, and housing material that allow a user tremendous flexibility in selecting a proper size of the invention for the user's intended purpose.

REFERENCES:
patent: 2687541 (1954-08-01), Bannister
patent: 4493664 (1985-01-01), Dale
patent: 5073136 (1991-12-01), DeWitt et al.
patent: 6036559 (2000-03-01), Arnold et al.
patent: 7232354 (2007-06-01), Olson et al.

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