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US 6,202,644 B1Granted
Diving snorkel
AssigneeTabata Co., Ltd.
InventorsMinoru Takeuchi, Kenji Kawana
Life of this patent
Estimating the term…
Abstract
A diving snorkel provided in the proximity of at least one of an upper opening and a mouthpiece with at least one partition extending from an inner wall of a snorkel conduit and also extending longitudinally of the conduit so as to compartmentalize the conduit in its circumferential direction, and thereby enable undesirable inflow of water to be obstructed as effectively as possible and enable efficient purging of water which enters into the snorkel.
Claims16
A diving snorkel comprising:
- a snorkel conduit provided with:
- an upper opening,
- a lower opening,
- a mouthpiece, and
- a non-return valve adapted to be opened downwards;
- and
- at least one partition provided in a proximity of at least one of said upper opening and said mouthpiece, said at least one partition extending inwardly from an inner wall of said snorkel conduit and also extending longitudinally of said snorkel conduit so that said snorkel conduit is circumferentially compartmented by said at least one partition, and said at least one partition includes two end edges and one side edge all of which are exposed within the snorkel conduit.
4 more elements
Dependencies are inferred from the claim text.