FIELD: diving equipment; outfit for underwater swimmers.
SUBSTANCE: proposed outfit includes ballast in form of lead members with hold-down plates, suspension system, mask and breathing tube. Suspension system is provided with on-the-back and breast plates interconnected by means of shoulder and waist straps. Both plates have ears or loops for securing the ballast by means of hold-down plates. Breast plate is provided with working air reservoir and reservoir of lesser diameter for imparting zero buoyancy; both reservoirs are provided with water inlet valves; working reservoir has front wall and graduation of 0.1 of its volume.
EFFECT: enhanced accuracy of determination of ballast mass.
3 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2272742C1 |
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|
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|
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|
RU2311628C1 |
