SWIMMER ASPIRATION APPARATUS Russian patent published in 1996 - IPC

Abstract RU 2061519 C1

FIELD: sports equipment. SUBSTANCE: swimmer aspiration apparatus has tube 4 and additional nozzle-type tube 1 mounted on outlet end of tube 4. Nozzle-type tube 1 has free end provided with vertical recess 2 and non-return petal-shaped valve 3. Nozzle-type tube 1 may be shifted relative to tube 4 to regulate opening effective section. As a result, resistance to respiration in water medium at breath period is varied. EFFECT: increased efficiency and enhanced reliability in operation. 1 dwg

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RU 2 061 519 C1

Authors

Potapov Aleksandr Vasil'Evich

Osokina Ljudmila Alekseevna

Dates

1996-06-10—Published

1993-08-12—Filed