JP2003312584A - Water surface traveling tool - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a water surface traveling tool with a simple structure and a function available for rafting in a river, surfing in the sea or lifesaving. <P>SOLUTION: This water traveling tool is composed of an inflatable hull 1 almost U-shaped in a plane view and a base plate 2 plugging up the bottom of the inflatable hull 1. The inside of the inflatable hull 1 is formed as a boarding part (a) on which the upper body of a passenger with his/her face down is laid. A bent side of the inflatable hull 1 is a traveling front part, and handles 3a, 3b are provided at proper positions in the front part of the inflatable hull 1 for the passenger to hold. The passenger can enjoy water sliding with his/her upper body laid on the boarding part and holding the handles 3a, 3b. When using it for rescue, a life server travels to the shore with the upper body of a person to be rescued laid on the boarding part by kicking legs and paddling with hands. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to one person or two persons.
The present invention relates to a water running tool that is used by a human passenger in a prone position.

[0002]

2. Description of the Related Art Conventionally, there are various objects such as surfboards, windsurfers, bodyboards, beat boards, rafting boats, and air mats that are mounted on the surface of water such as the sea, rivers and pools. In addition, water skis, water boards, banana boats, and other vehicles that are towed by a motor boat or the like to slide over the water are becoming more diversified. In addition, many of the above items can be played or played as sports, but some of them are rescue teams and life savers that rescue people who drown while playing in the sea, river, pool, etc. Some of them have excellent functions such as the rescue board used in.

[0003]

SUMMARY OF THE INVENTION The present invention has been made based on the background as described above, and can be used for river descent and gliding in the sea. Another object of the present invention is to provide a water running tool having a function that can be used for life saving with a simple configuration.

[0004]

In order to solve the above-mentioned problems, the above-mentioned running implement of the present invention is constructed as described below. That is, the water running implement of the present invention has an air cylinder formed in a substantially U-shape in plan view and a bottom plate that closes the bottom surface of the air cylinder. The generally U-shaped body in plan view has a curved portion side on the front side and an opening side on the rear side, and by providing a bottom plate on the bottom surface thereof, the inside of the same body portion is configured as a passenger's riding portion. The passenger is
The upper body is placed prone on the riding section, and the lower body runs with the legs extended from the rear end of the bottom plate.
Further, as described above, the occupant who rides in the prone posture can maintain a stable riding posture by gripping the handle provided on the front of the body. Further, by taking a boarding posture with a grip on the handle, it is possible to provide good control characteristics, and in particular, it becomes possible to perform exquisite control when going down a river.

According to a second aspect of the present invention, there is provided a water runner comprising an air cylinder formed in a substantially U shape in a plan view and a bottom plate for closing the bottom surface of the air cylinder. The inside of the torso is configured as a riding section on which the whole body of the passenger rides. Further, the above-mentioned bottom plate extends rearward from the rear end portion of the air cylinder, and by the above-mentioned bottom plate front half portion inside the air cylinder, and the extension portion, a plate shape having a length substantially the same as the occupant's height. And its upper surface is configured as a riding section on which the passenger rides in a prone position.

The occupant rides on the boarding part in a prone position, with the upper half of the body resting on the bottom plate inside the trunk and the lower half of the body resting on the extension of the bottom plate. At this time, the occupant can take a stable boarding posture by holding the handle attached to the front part of the body. A connection part for connecting a tow line is provided at the front part of the air chamber, and one end of the tow line is connected to this connection part. The other end of the tow line is connected to a motor boat or the like, and is pulled by the motor boat or the like so that the water running implement slides on the water surface. At this time, the bottom surface of the bottom plate is in contact with the water surface, and because the resistance is low, the water surface slides like jumping small. Like the above-mentioned water runner according to claim 1, the above-mentioned water runner according to a third aspect of the invention includes an air cylinder formed in a substantially U-shape in a plan view and a bottom plate that closes the bottom surface of the air cylinder. By providing a long bottom plate on the bottom surface of the torso, a plate having a length substantially the same as the height of the passenger is formed. The upper surface of the bottom plate is configured as a riding portion on which the passenger rides in a prone state, and the body is also provided up to near the rear end of the bottom plate to obtain buoyancy in the rear portion of the air chamber. In the water running tool according to claim 2 or 3 described above, as in claim 4, by providing a folding part in the substantially central part of the bottom plate, in a state where the air chamber is contracted,
The bottom plate can be folded from the center.

In the above-mentioned water runner according to any one of claims 1 to 4, in the case where the front part of the body of the water runner is equipped with a handle for two persons, the water runner is playing in the sea, river, pool or the like. If a drowning person is found, the life saver rides on a watercraft and goes straight ahead, placing the rescued person on the boarding section and letting the handle reach. Furthermore, the life saver rides on the boarding section, holds the handle that remains, runs to the shore with the legs, and takes immediate action.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. 1 to 3 show a water running implement A embodying the present invention. The water running tool A has a substantially flat surface U.
It comprises a character-shaped air cylinder 1 and a bottom plate 2 provided on the bottom surface of the air cylinder 1, and inside the air cylinder 1, a riding section a is formed on which the passenger rides in a prone position. The above-mentioned body 1
It is made of rubberized cloth, urethane tarpaulin, polyvinyl chloride tarpaulin, or the like, and has a substantially U-shape in a plan view in an expanded state. As shown in FIGS. 2 and 3, the bottom plate 2 is installed along the outer edge of the bottom of the air cylinder 1, which has a circular vertical section, and the outer peripheral edge is covered with a rubber sheet, a rubber cloth, an adhesive tape, or the like. It is attached along the bottom of the body 1. By attaching the ears 1a to both rear end portions of the air trunk 1, the air cylinder is kept airtight and the rear end portion of the air trunk 1 is maintained in a semicircular shape in plan view. Also, this body 1
An air supply / exhaust port 1b is provided at the rear end of the right side, and the air supply / exhaust port 1b is used to expand and contract the same air cylinder 1.

On the other hand, the bottom plate 2 constituting the bottom surface of the riding section a
Is made by cutting a relatively strong foam material, for example, a thick plate 2a made of foamed polyethylene or the like, into an outer shape along the bottom surface of the body 1 and covering it with a rubber cloth or the like, and has sufficient strength. The rear end of the bottom plate 2 has a total length set according to the upper body of the occupant, and both rear ends of the body 1 are configured to project somewhat from the edge of the rear end ( (Figure 1). Any existing plate material may be used as the bottom plate as long as it can maintain the required strength, and for example, a plate-shaped air chamber using a three-dimensional fabric may be used.

The body 1 is provided with a riding portion a having an appropriate width, and the upper half of the occupant's body sits on a bottom plate 2 in the riding portion a. Normally, the passenger is set in the passenger's seat a in a prone state, and the lower half of the body is set rearward from the bottom plate 2 and the rear end of the body. That is, the occupant can travel with the thrust of the flap while maintaining the riding posture.

Four grips 3a, 3b are arranged at regular intervals in the circumferential direction on the front part of the above-mentioned air cylinder 1, that is, the side surface on the riding part a side of the portion formed in a substantially semicircular shape in plan view. It is provided.
The handles 3a and 3b are distributed to the left and right with reference to the center of the body (FIG. 3), and the handles 3b on the inside and the handles 3a on the outside are used as a pair. These grips 3a and 3b are configured by fastening both ends of a belt having strength to the body 1, and by gripping with both hands, the occupant can maintain a stable riding posture (Fig. 1). ，
(Fig. 2). The handles 3a, 3 provided on the body 1 as described above
It is preferable that b is set such that four grips 3a and 3b are installed at an appropriate interval on the front part of the body 1 as in the present embodiment. However, in the above-described water running tool of the present invention, one or more handles may be provided on the front portion of the air cylinder, and may be appropriately changed according to the purpose of use. In addition, the handle 3 used in this embodiment
Each of a and 3b is formed by stacking two strong belts made of synthetic fibers and adhering them, winding a rubber cloth around the outer circumference, and sewing the both ends of the rubber cloth with a sewing machine.

As described above, the water runner A constructed as described above puts the upper half of the body on the riding part a formed in the body 1 having a substantially U-shape in a plan view, and is placed on the left and right sides in a prone state. The operator rides with the grip 3a or both grips 3b held by both hands. In this riding posture, the lower half of the body is the bottom plate 2 of the riding section a.
It will pop out from the rear edge of the. In the case of a one-seater, it is possible to travel like a bead board by hitting the foot. However, since the buoyancy of the body 1 is large and the upper half of the body, which is more resistance, is on the flat bottom plate 2, the resistance is small, and it is possible to run smoothly with only the flaps. Are not comparable (Figure 2). still,
In the above-described water slide equipment, the rear edge portion of the bottom plate 2 is formed linearly, but the rear edge of the bottom plate 2 is formed in a substantially arc shape like the rear edge of the water slide equipment A ′ shown in FIG. You may.

Next, the water running tool A constructed as described above.
We will explain how the life saver uses (Fig. 5). When saving a person who is drowning in the sea or river, the life saver rides on the water running equipment A to the person who is drowning, and supports it from the shoulder to the neck within the boarding section a of the water running equipment A. Move the upper body to move one hand or both hands to the center handle 3b,
Alternatively, hold 3a and 3b (if conscious) to hold the boarded state (Fig. 5). Then, the life saver puts the upper half of the body on the person to be rescued and holds the grips 3a or 3b. While maintaining this state, the life saver increases the traveling speed with a flap and travels to the target shore. In addition, the handle 3a,
As for 3b, the four handles 3a and 3b may be arbitrarily used according to the situation. Further, the handle provided on the body 1 may be appropriately changed according to the purpose of use, and for example, two handles 3c may be attached in a substantially C-shape in plan view as shown in FIG. 13a, or As shown in FIG. 13b, the handle 3d having a relatively long length may be attached in a V shape in plan view. The passenger must wear a helmet, flippers, and life jacket.

Next, a water running tool A shown in FIGS. 6 and 7.
2 will be described. This water runner A2 has the same structure as the above-described water runner A, but has a bottom plate extending rearward from the rear end of the body 1 having a substantially U-shaped plane, and has a length equal to the height of the rider. And a riding section a2 that allows the passenger to ride in a prone posture with their legs extended.
(FIGS. 6 and 7). Further, the water runner A2 can be slid on the water by being pulled by a motor boat or the like, in addition to going down the river or surfing in the sea. A D-ring may be attached to the above-mentioned water runner A to be a water runner that is pulled by a motor boat or the like and slides in the same manner as the water runner A2.

As described above, the long bottom plate 20 is made of a foam material having a relatively high strength, for example, a thick plate of urethane foam or the like as the core material 2.
0a, and the entire surface is covered with a rubber cloth 20b.
The bottom plate 20 has an outer shape along the bottom surface inside the air cylinder 1 in the range of the air cylinder 1, and is bonded along the bottom surface of the air cylinder 1. Therefore, the riding portion a2 within the range of the body 1
0 is configured in the same manner as the riding part a of the above-described water running implement A. Further, the rear half of the riding part a20 extending rearward from the rear end of the body 1 needs to be strong because it extends in a cantilever state from the body 1. Therefore, it is sufficient to use a stronger foam material as the core material of the bottom plate 20 or to bond a strong thin plate material such as an FRP plate to the upper and lower surfaces or one surface of the core material 20a. The strength can be maintained (not shown). Further, a plate-shaped air chamber using a three-dimensional fabric may be used as the bottom plate itself.

The above-described water running tool A2 is provided with a connecting portion 4 for traction at a portion near the lower surface of the central portion of the tip of the air cylinder 1. The connecting portion 4 is a portion to which the other end of the rope 5 connected to the motor boat B is detachably connected, and is constructed by attaching the D ring 4a with a strong fastening body 4b (FIG. 7). Actually, the other end of the rope 5 is connected to the above-mentioned D ring 4a via a connection fitting such as a removable carabiner.

A water running tool A2 constructed as described above.
8 is towed by a motor boat B and glides on the water as shown in FIG. As described above, the bottom plate 20 provided on the bottom surface of the air cylinder 1 has a semi-circular shape at the tip end thereof in conformity with the arc of the air cylinder 1, and is substantially parallel from the left and right end portions of the arc to the end. It is formed, and the bottom surface is finished flat.

That is, the front part of the bottom plate 20 of the bottom of the air cylinder constructed as described above is well drained, and further the flat bottom plate 2 is used.
The bottom surface of 0 has little resistance when traveling, especially when traveling at high speed. Therefore, when it is towed by the motor boat B or the like, it glides at a high speed while making a small jump on the water surface.

In the case of the water runner A2 of the present embodiment, like the above-described water runner A, two handles, that is, four handles 3a, 3b are provided inside the front part of the body 1 so as to be divided into left and right. The passenger holds the grips 3a and 3b suitable for him / her, and takes a boarding posture (FIG. 7). Further, the water runner A2 can also perform wave riding in the sea and river down, like the above-described water runner A. Further, since the passenger is provided with the riding section a2 in which the legs can be extended and laid down, as described above, the person drowning in the sea or the river is laid down to the shore while maintaining a stable posture. You can move. In this case, it may be pulled by the motor boat B. Also,
Life savers can also ride together and drive with the person being rescued.

Next, the water slide device A3 shown in FIG. 9 will be described. This water slide A3 is the above-mentioned water slide A2.
The structure is the same as the above, but the air cylinder 1'is extended to the rear end portion of the bottom plate 20. The water slide device A3 is composed of a vertically long bottom plate 20 on which an approximately whole body of an occupant can ride and a body 1 '. In the case of this water runner A3, since sufficient buoyancy can be ensured over the entire length of the body 1 ', not only high-speed gliding but also stability for two-seater or low-speed running can be sufficiently maintained. In addition, the rigidity of the main body can be increased by the air cylinder 1'provided over the entire length of the bottom plate 20, which provides stable running. The water runners A2 and A3 may be provided with handles so that two people can ride side by side, and may have a wide width (not shown).

The water slide A4 shown in FIG. 10 is constructed in the same manner as the above water slide A2, except that the bottom plate 21 is provided with a fold portion e at substantially the center thereof and the bottom plate 21 can be folded in two. You can As shown in FIGS. 11 (a) and 11 (b), the bottom plate 21 is divided at the central portion, and both end faces thereof abut each other. A hinge cloth 51 made of a rubber cloth or the like is attached to both end surfaces, and a hinge cloth 52 is attached along the bottom surface side of the bottom plate 21. Further, a reinforcing cloth 53 made of synthetic fiber or the like is sandwiched between the hinge cloths 51 and 52 to be integrated, and the bottom board 21b can be folded with respect to the bottom board 21a by using this as a hinge. The hinge cloths 51, 52 and the reinforcing cloth 53 described above are used for the bottom plate 21a,
Since it is arranged on the bottom side of 21b, the bottom plate 21 of the latter half is
Is folded so that it faces the bottom of the first half (Fig. 11-
b).

On the other hand, a substantially strip-shaped covering cloth 54 is provided on the upper surface side of the folded portion e of the bottom plate 21a and the bottom plate 21b so as to cover the entire width of the folded portion e. Coated cloth 5
4 is adhered and fixed to the upper surface side of the bottom plate 21a in the front half portion, and the rear edge side thereof is extended toward the bottom plate 21b side (FIG. 1).
1). A male body 55a (or female body) of a surface fastener is attached and fixed to the lower surface side of the distal end portion of the extending portion 54a of the covering cloth 54.
The female member (or male member) of the surface fastener 55 is attached and fixed to the bottom plate 21b, and the extending portion 54a of the covering cloth 54 is fixed.
It is configured to be detachably engaged with the surface fastener 55b. As a result, when both bottom plates 21a and 21b are unfolded, both fasteners 55a and 55b are engaged and both bottom plates 21a and 21b are unfolded and held as a single plate (Fig. 12-a). On the contrary, the bottom plates 21a, 21b
When folding from the unfolded state, the covering cloth 54 extending portion 5
By removing the engagement between the surface fastener 55a of 4a and the bottom plate 21b side 55b, the rear bottom plate 21b can be rotated 180 ° and folded so as to face the bottom surface of the front bottom plate 21a ( Figure 12-b). The folding structure described above can also be provided in the above-described water slide device A3. Further, in the case of the water slide device A3, the bottom plate 21b is folded while the air cylinder 1 is contracted.

[0023]

As described above, according to the present invention, a bottom plate is provided on the bottom surface of a substantially U-shaped body in a plan view, and a passenger is placed in the body to lie down on his / her upper body. It was done. Therefore, while being supported by a sufficient amount of buoyancy, the occupant can maintain a stable posture by holding the handle attached to the same body, and obtain thrust by fluttering water with his or her legs or hands to make the water lighter. Can drive. Further, the water running tool of the present invention has good maneuverability by placing the upper half of the body on the riding part surrounded by the torso and taking a riding posture with a handle provided on the same torso, in particular, You can freely ride on a heavy water stream when going down a river (rafting), where you have a running speed. Further, the basic structure is a simple structure including a substantially U-shaped body and a bottom plate, which enables reduction of manufacturing work and cost.

According to a second aspect of the present invention, there is provided a water running tool having a substantially U shape in plan view.
It has a character-shaped air cylinder and a bottom plate that closes the bottom of the air cylinder, and extends this bottom plate rearward from the rear end of the air cylinder so that the occupant lies prone on the bottom plate. It constitutes the boarding section for riding. Therefore, the passenger in the prone riding posture can hold the stable riding posture by gripping the handle provided on the torso, and can further improve the maneuverability during traveling. Further, in the water running tool of the present invention, a tow cable is connected to the front part of the air chamber and towed by a motor boat or the like, and the bottom plate part extending backward on the water surface is used as a contact surface to run at high speed. be able to. At this time, the bottom surface of the bottom plate is in contact with the water surface, and since the resistance of the bottom surface is small, it glide lightly like jumping on the water surface. That is, the water running implement of the present application can enjoy high-speed running by towing in addition to river downhill and wave riding, and is excellent in stability and maneuverability at that time. Further, the basic structure has a simple structure including a substantially U-shaped body and a vertically long bottom plate, which can shorten the manufacturing work and reduce the cost.

The above-mentioned water runner according to a third aspect of the invention is substantially U in plan view.
It consists of a character-shaped body and a bottom plate that closes the bottom of the body, and since the inside of the body is configured as a riding section on which the whole body of the laid-down passenger is placed, It is equipped with a riding section for riding in a prone position. Therefore, the passenger in the prone riding posture can hold the stable riding posture by gripping the handle provided on the torso, and can further improve the maneuverability during traveling. In addition, the water running tool of the present invention is capable of running at high speed on the water surface by connecting a tow line to the front part of the air chamber and towing it by a motor boat or the like. At this time, the bottom surface of the bottom plate is in contact with the water surface, and since the resistance of the bottom surface is small, it glide lightly like jumping on the water surface. That is, the water running implement of the present application can enjoy high-speed running by towing in addition to river downhill and wave riding, and is excellent in stability and maneuverability at that time. Furthermore, since the basic structure is composed of a vertically elongated body and a bottom plate on which almost the entire body of the passenger can ride,
Sufficient buoyancy can be secured over the entire length of the body, and stability at low speeds can be maintained. Further, since the structure is simple, it is possible to shorten the manufacturing work and reduce the cost.

In the above-mentioned water runner according to the present invention, since the folding part is provided at substantially the center of the bottom plate of the above-mentioned water runner according to any one of claims 2 to 3, when the air chamber is contracted,
The bottom plate can be folded from the center for easy transportation.

According to a fifth aspect of the present invention, there is provided a water running tool according to any one of the first to fourth aspects, wherein the front part of the air cylinder has handles for two persons. It consists of As a result, if there is a person who drowns while playing in the sea, river, pool, etc., the life saver rides on the water run equipment and goes straight ahead, placing the rescued person on the boarding section and holding the handle. multiply. In addition, life savers
While holding the person to be rescued, hold the handle that remains on the boarding section,
Run to the shore with flaps and take immediate medical attention. That is, the water running tool of the present invention can be used for life saving in the sea or river by using the handles of the stomata provided for two people. In addition, as a game, two children, a parent and a child can be paired and enjoyed by riding two people.

[Brief description of drawings]

FIG. 1 is a plan view of a water running implement of the present invention.

FIG. 2 is a vertical cross-sectional side view of the above-mentioned water running tool.

FIG. 3 is a transverse cross-sectional view of the above-mentioned water running implement.

FIG. 4 is a plan view showing a water running tool in which a rear edge of the bottom plate is formed in an arc shape.

FIG. 5 is a plan view showing a state in which a rescuee and a life saver are on board.

FIG. 6 is a plan view of a water running tool with a bottom plate extended.

FIG. 7 is a sub-sectional view showing the above-mentioned running implement.

FIG. 8 is a side view showing a state in which the above-mentioned water running implement is towed by a motor boat.

FIG. 9 is a plan view showing a water running tool in which a bottom plate and a body are extended.

FIG. 10 is a plan view of a water running tool whose bottom plate is foldable.

FIG. 11 is a cross-sectional view showing a folded portion of the water running implement, FIG. 11A is a heavy sectional view of the folded portion with the bottom plate unfolded, and FIG. 11B is a vertical cross-sectional view showing the folded portion with the bottom plate folded. Face view.

FIG. 12A is a vertical cross-sectional side view showing the water running tool with the bottom plate unfolded, and FIG. 12B is a vertical cross-sectional side view showing the water running tool with the bottom plate folded.

FIG. 13A is a plan view of a water running tool in which a handle is arranged in a C shape in plan view, and FIG. 13B is a plan view of a water running tool in which a handle is arranged in a substantially rectangular shape in plan view.

[Explanation of symbols]

A, A2, A3, A4 ... Running gear a, a2 ... Boarding section B: Motor boat e ... Folding part 1 ... Body 1a ... ear 1b ... Air supply / exhaust port 2, 20 ... Bottom plate 3a, 3b ... handles 20a '... Edge part 4 ... Connection part 4a ... D ring 4b ... Fastening part 5 ... Search

Claims (5)

[Claims] 1. A plane comprising a substantially U-shaped body in plan view and a bottom plate for closing the bottom of the body, and the inside of the body is constructed as a riding section on which a prone passenger's upper body is placed. The above-mentioned water running tool having a curved front side of the above-mentioned body as a running front part, and a handle provided for a passenger to be provided at an appropriate portion of the front part of the body. 2. An air cylinder formed in a substantially U-shape in plan view and a bottom plate for closing the bottom surface of the cylinder, the bottom plate extending backward from the rear end of the air cylinder by a predetermined length. , Inside the above body,
And the bottom plate including the extension part of the bottom plate as a riding part on which the passenger rides in a prone position, and a handle to be gripped by the passenger is provided at an appropriate position on the front part of the body, and A water running tool having a connecting portion for connecting a tow line to the front portion. 3. A riding unit, which comprises a body formed in a substantially U-shape in a plan view and a bottom plate that closes the bottom of the body, and the inside of the body serves as a riding section on which the prone passenger's substantially whole body is placed. In addition, the above-mentioned water running tool is configured such that the curved portion side of the above-mentioned body is a traveling front portion, and a handle which is gripped by an occupant is provided at an appropriate portion of this front portion of the body. 4. The water runner according to claim 2, wherein a folding portion is provided at a substantially central portion of the bottom plate. 5. The water runner according to claim 1, wherein a handle for two persons is provided on the front part of the body.