Marker buoy

Details Marker buoy Marker buoy

1991-03-19

1992-08-25

Swinehart, Edwin L.

Buoys, rafts, and aquatic devices

Buoy

Having means to control attitude or position

441 30, B63B 2218

Patent

active

051414589

ABSTRACT:
A marker buoy, typically for use by divers, includes a lighter-than-water flotation component, such as a bladder (17) which can be inflated when the buoy is required to float and deflated when it is not required to float, so that the diver can easily dive with the deflated buoy and inflate it at depth, when required. A reel (19) of line (25) carried by the buoy is arranged to dispense the line therefrom when the tension in the line exceeds a chosen value.

REFERENCES:
patent: 3149352 (1964-09-01), Christiansen
patent: 3667417 (1972-06-01), Clinkenbeard
patent: 3702014 (1972-11-01), Rabon et al.
patent: 3992736 (1976-11-01), Reed, 3rd et al.
patent: 4673363 (1987-06-01), Hudson et al.

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