Underwater swimming apparatus

Hydraulic and earth engineering – Diving – Underwater docking or mooring

Patent

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Details

405185, 405186, B63C 1110

Patent

active

051564920

DESCRIPTION:

BRIEF SUMMARY
FIELD OF THE INVENTION

The present invention relates to an underwater swimming apparatus and, in particular, to an underwater swimming apparatus which makes it possible to freely swim underwater without scuba equipment or the like.


BACKGROUND OF THE INVENTION

Diving without any scuba equipment is restricted to short time periods during which people can hold their breath.
Diving using scuba equipment makes it possible to swim underwater for a long time. However, diving with scuba equipment requires much training and experience. Therefore, it is hard for people in general to dive or swim with scuba equipment. Therefore, in order to swim underwater or to obtain living space underwater, for example, a station or a dome is constructed underwater, and the interior of the dome is used as a living space. Further, Japanese Utility Model Unexamined Publication No. 49-17000 discloses an apparatus which can make it possible to swim and to behave in a desired manner in an underwater dome. The apparatus includes means for supporting the dome at a desired depth in the sea, a gate through which users can come into and go out from the dome, and means for supplying air of a pressure higher than the water pressure at such depth. However, such apparatus has a complicated construction and no known apparatus has been proposed yet which can easily and readily provide people with living space underwater.


SUMMARY OF THE INVENTION

An underwater swimming apparatus according to the present invention comprises a group of containers connected at a side wall thereof to each other in a stepped manner. Each of the containers opens downwardly, and notch means are provided at a lower portion of the side wall of each container to be connected to the next container. Means are provided for pumping air into a lowermost one of the containers, and means for supporting the containers are provided parallel to and spaced from the containers. Also means for anchoring the containers and the supporting means under water are provided. Air pumped from the pumping means remains in the space defined by the containers. Therefore, people can swim in the space without scuba equipment or the like.


BRIEF DESCRIPTION OF THE DRAWINGS

The present invention will be explained in detail hereinafter with reference to the accompanying drawings.
FIG. 1 is a perspective view showing an arrangement of the containers constituting an underwater swimming apparatus shown in FIG. 2;
FIG. 2 is a perspective view showing the underwater swimming apparatus according to one embodiment of the present invention; and
FIG. 3 is a side view showing a space in which people can swim.


DESCRIPTION OF THE PREFERRED EMBODIMENTS

In the drawings, reference numeral 1 designates a cubic container, the bottom of which is opened. A plurality of containers 1 are connected to each other in a stepped manner so as to provide a group of containers 10 as shown in FIG. 1. Namely, the containers 1 are integrated into a container group 10 in which the containers are disposed in a stepped arrangement and connected at one side wall thereof to each other. Reference numeral 2 designates a notch formed at a lower portion of a side wall of each container 1. The lower portion is not connected to the next container, but the rest of the side wall is connected to the next one. Reference numeral 3 generally designates an air supply means communicating with the lowermost container 1. The air supply means 30 includes a compressor for pumping compressed air into the lowermost container 1 and a hose communicating at one end thereof with the compressor and at the other end thereof with the lowermost container 1. Reference numeral 4 designates a staircase disposed parallel to the container group 10. The staircase 4 is used as container supporting means and is spaced by a predetermined distance from the container group 10 through coupling members (not shown in FIG. 2) provided between the containers 1 and the staircase 4. Reference numeral 5 designates anchor means for anchoring the container group 10 and the st

REFERENCES:
patent: 738206 (1903-09-01), Lake
patent: 1223515 (1917-04-01), Papanastasiou
patent: 3344614 (1967-10-01), Byck
patent: 3379022 (1968-04-01), Welton
patent: 3516489 (1970-06-01), Jergins

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