JPH0939884A - Water game machine also serving as walk - Google Patents

Water game machine also serving as walk

Info

Publication number
JPH0939884A
JPH0939884A JP7191912A JP19191295A JPH0939884A JP H0939884 A JPH0939884 A JP H0939884A JP 7191912 A JP7191912 A JP 7191912A JP 19191295 A JP19191295 A JP 19191295A JP H0939884 A JPH0939884 A JP H0939884A
Authority
JP
Japan
Prior art keywords
water
walking
floating
bodies
levitation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7191912A
Other languages
Japanese (ja)
Inventor
Michio Kawase
道雄 河瀬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KAWASE IND KK
Original Assignee
KAWASE IND KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KAWASE IND KK filed Critical KAWASE IND KK
Priority to JP7191912A priority Critical patent/JPH0939884A/en
Publication of JPH0939884A publication Critical patent/JPH0939884A/en
Pending legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To enable walking for improvement of the health to be performed on the water by combining it with recreation, by providing a floating supporting body having buoyancy on the water and a movable floating body, and providing a power transmitting part for converting the walking action to be performed on foot placing parts into the water propulsion power on the movable floating body. SOLUTION: In walking on the water, a user turns in the advancing direction P, puts his right and left feet on foot placing parts 9, 10 on right and left floating walking bodies 6, 7, and stands by taking a handrail 2 as a support. The walking action is performed, the right and left floating walking bodies 6, 7 are alternately reciprocated along the advancing direction P, and therefore, force to kick the floating walking bodies 6, 7 is converted as water propulsion power by paddles 11, and the whole water game machine is advanced. That is, when the floating walking bodies 6, 7 are kicked rearward, the paddles 11 to be stopped in the vertical state serve as a resistance against water and obtain water propulsion force, on the other hand, when the floating walking bodies 6, 7 are moved forward, the paddles 11 are turned into the horizontal state, and the floating walking bodies 6, 7 are advanced lightly.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】この発明は、人力により水上
を進行する水上遊技機に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water-operated gaming machine that advances on water by human power.

【0002】[0002]

【従来の技術及び発明が解決しようとする課題】従来の
水上遊技機としては、例えば、座席に座った使用者が足
により水掻き羽根を回転させて進行するものがある。こ
の水上遊技機はレジャーとして十分に楽しめるものであ
るが、足先の運動のみであるため、健康を増進させるに
は不十分であった。
2. Description of the Related Art As a conventional floating game machine, there is, for example, one in which a user sitting on a seat rotates his or her watering blade with his / her feet to proceed. This floating game machine can be fully enjoyed as a leisure, but since it only exercises the toes, it was insufficient to improve health.

【0003】本発明は、健康増進のための歩行をレジャ
ーを兼ねて水上で行う歩行兼用水上遊技機を提供するこ
とを目的にしている。
It is an object of the present invention to provide a walking / floating amusement machine for walking for the purpose of promoting health on the water for leisure.

【0004】[0004]

【課題を解決するための手段】後記実施形態の図面(図
1〜2)の符号を援用して本発明を説明する。第一発明
にかかる歩行兼用水上遊技機は下記のように構成されて
いる。
The present invention will be described with reference to the reference numerals in the drawings (FIGS. 1 and 2) of the following embodiments. The walking / floating water gaming machine according to the first aspect of the invention is configured as follows.

【0005】水上で浮力を持つ浮上支持体(1)と、水
上で浮力を持つか又はこの浮上支持体(1)により水上
で支えられる可動浮上体(4)とを備えている。この可
動浮上体(4)にあっては、足載置部(9,10,16
a)で行う歩行動作を水上推進力として変換する動力伝
達部(5)を設けた。
It is provided with a levitation support body (1) having buoyancy on water and a movable levitation body (4) having buoyancy on water or supported on the water by this levitation support body (1). In this movable levitation body (4), the foot rests (9, 10, 16)
A power transmission unit (5) for converting the walking motion performed in a) into a water thrust is provided.

【0006】第二発明においては、第一発明に記載した
可動浮上体(4)の動力伝達部(5)が、水上で浮力を
持ち、左足載置部(9)で行う歩行動作を水上推進力と
して変換する浮上歩行体(6)と、右足載置部(10)
で行う歩行動作を水上推進力として変換する浮上歩行体
(7)とを備えた。
In the second invention, the power transmission part (5) of the movable levitation body (4) described in the first invention has buoyancy on the water, and the walking motion performed by the left foot rest (9) is propelled on the water. Levitating walking body (6), which is converted as force, and right foot rest (10)
And a levitating walking body (7) that converts the walking motion performed in (1) into water propulsion.

【0007】第三発明においては、第一発明に記載した
可動浮上体(4)の動力伝達部(5)が、浮上支持体
(1)により水上で支えられ、足載置部(16a)で行
う歩行動作を回転力として変換する巻掛け伝動装置(1
2)と、この巻掛け伝動装置(12)の回転を水上推進
力として変換する推進体(17)とを備えた。
In the third invention, the power transmission part (5) of the movable levitation body (4) described in the first invention is supported on the water by the levitation support body (1), and the foot rest part (16a) is used. A winding transmission device that converts the walking motion to be performed into a rotational force (1
2) and a propelling body (17) for converting the rotation of the winding transmission device (12) into a water propulsion force.

【0008】本発明においては、可動浮上体(4)の動
力伝達部(5)、例えば、浮上歩行体(6)(7)や巻
掛け伝動装置(12)の上に立って歩行動作を行うと、
その歩行動作がこの浮上歩行体(6)(7)や巻掛け伝
動装置(12)により水上推進力として変換され、水上
遊技機が進行する。
In the present invention, a walking operation is performed while standing on the power transmission section (5) of the movable levitation body (4), for example, the levitation walking bodies (6) (7) and the winding transmission device (12). When,
The walking motion is converted into water propulsion by the levitating walking bodies (6) and (7) and the winding transmission device (12), and the water gaming machine advances.

【0009】[0009]

【発明の第一実施形態】まず、本発明の第一実施形態に
かかる水上遊技機を図1を参照して説明する。 〔水上で浮力を持つ浮上支持体1について〕浮上支持体
1は軽量な材料により成形され、手すり2(連結体)
と、進行方向P(前後方向)に対し直交する左右方向の
両側でこの手すり2に取着された固定浮上体3とを備え
ている。
First Embodiment of the Invention First, a floating game machine according to a first embodiment of the present invention will be described with reference to FIG. [About the levitation support 1 having buoyancy on water] The levitation support 1 is made of a lightweight material, and has a handrail 2 (connecting body).
And fixed floating bodies 3 attached to the handrail 2 on both sides in the left-right direction orthogonal to the traveling direction P (front-back direction).

【0010】〔水上で浮力を持つ可動浮上体4につい
て〕可動浮上体4は軽量な材料により成形され、その動
力伝達部5は、前記手すり2の下方において左右両固定
浮上体3間に配設された左右の浮上歩行体6,7を備え
ている。この左右両浮上歩行体6,7は左右両固定浮上
体3に沿って進行方向Pへ延び、この左右両固定浮上体
3に対しひも8により連結されて分離しないようになっ
ている。この左右両浮上歩行体6,7の表面において前
後方向中央部には凹状足載置部9,10が形成されてい
る。この左右両浮上歩行体6,7の裏面において前後方
向中央部には水掻き羽根11(推進体)が回動可能に支
持され、前方へ回動した垂立状態と、後方へ回動した水
平状態とを取り得る。
[Movable levitation body 4 having buoyancy on the water] The movable levitation body 4 is formed of a lightweight material, and the power transmission portion 5 is disposed between the left and right fixed levitation bodies 3 below the handrail 2. The left and right floating walking bodies 6 and 7 are provided. The left and right floating pedestrians 6 and 7 extend in the traveling direction P along the left and right fixed levitation bodies 3 and are connected to the left and right fixed levitation bodies 3 by strings 8 so as not to be separated. Concave foot rests 9 and 10 are formed in the front-rear center of the surfaces of the left and right floating walking bodies 6 and 7. A water scraping blade 11 (propulsion body) is rotatably supported in the center part in the front-rear direction on the back surfaces of the left and right floating pedestrians 6 and 7, and is in a standing state in which it is rotated forward and in a horizontal state in which it is rotated backward. And can be taken.

【0011】〔上記水上遊技機の使用について〕使用者
は、進行方向P上流側の前方を向き、前記左浮上歩行体
6上の左足載置部9に左足を載せるとともに、右浮上歩
行体7上の右足載置部10に右足を載せ、手すり2を支
えとして立つ。そして、使用者が、歩行動作を行い、左
右両浮上歩行体6,7を進行方向Pに沿ってそれぞれ単
独で往復移動させると、この左右両浮上歩行体6,7を
蹴る力がその水掻き羽根11等により水上推進力として
変換され、水上遊技機全体が前方へ進行する。この場
合、浮上歩行体6,7を後方へ蹴ると、垂立状態で停止
する水掻き羽根11が水に対する抵抗となって水上推進
力が生じる。逆に、浮上歩行体6,7を前方へ移動させ
るときには水の抵抗によりこの水掻き羽根11が回動し
て水平状態になるので、浮上歩行体6,7を水面上で浮
かす必要はなく滑らすだけで良い。
[Regarding use of the above-mentioned floating game machine] The user faces the front in the upstream side of the traveling direction P, puts his left foot on the left foot rest 9 on the left floating walker 6, and moves to the right floating walker 7 Place the right foot on the upper right foot rest 10 and stand with the handrail 2 as a support. Then, when the user performs a walking motion and independently reciprocates both the left and right floating walking bodies 6 and 7 along the traveling direction P, the force for kicking the left and right floating walking bodies 6 and 7 is the watering blade. It is converted as a water propulsion force by 11, etc., and the entire water game machine advances forward. In this case, when the levitation walking bodies 6 and 7 are kicked backward, the water scraping blades 11 that stop in the upright state become resistance to water and a water propulsion force is generated. On the contrary, when the levitating walking bodies 6 and 7 are moved forward, the water scraping blades 11 rotate to the horizontal state due to the resistance of water, so that it is not necessary to float the levitating walking bodies 6 and 7 on the water surface and only slide them. Good.

【0012】第一実施形態は下記(イ)〜(ハ)の特徴
を有する。 (イ) 健康増進のための歩行をレジャーを兼ねて水上
で楽しく行うことができる。しかも、水上では歩行動作
の抵抗が陸上よりも大きいので、運動量が多くなり、よ
り一層健康に良い。
The first embodiment has the following characteristics (a) to (c). (B) Walking for health promotion can be enjoyed on the water for leisure as well. In addition, walking resistance on the water is higher than on land, so the amount of exercise increases, which is even better for health.

【0013】(ロ) 可動浮上体4の他に、浮上支持体
1があるため、水上遊技機全体の安定性が向上する。ま
た、浮上支持体1に手すり2があるため、使用者は可動
浮上体4の左右両浮上歩行体6,7上に立ち易い。
(B) Since the floating support 1 is provided in addition to the movable levitation body 4, the stability of the entire floating game machine is improved. Further, since the levitation support 1 has the handrail 2, the user can easily stand on both the left and right levitation walking bodies 6 and 7 of the movable levitation body 4.

【0014】(ハ) 左右両浮上歩行体6,7は、進行
方向P(前後方向)に沿ってそれぞれ単独で往復移動で
きるばかりでなく、ひも8(可撓索)により移動規制さ
れない範囲内で、左右方向等へも移動でき、左右両浮上
歩行体6,7の自由度が多くなる。従って、使用者が左
右両浮上歩行体6,7を安定させようとするため、運動
量が多くなってより一層健康に良いばかりではなく、レ
ジャー用品としてのおもしろみも増す。
(C) The left and right levitation walking bodies 6 and 7 can not only reciprocate independently in the traveling direction P (front-back direction), but also within a range where movement is not restricted by the string 8 (flexible rope). Also, it is possible to move in the left-right direction, etc., and the degree of freedom of the left and right levitating walking bodies 6, 7 increases. Therefore, since the user tries to stabilize both the left and right floating walking bodies 6 and 7, the amount of exercise increases, which is not only better for health, but also more interesting as a leisure article.

【0015】前記第一実施形態以外にも下記(イ)〜
(ロ)のように構成してもよい。 (イ) 図示しないが、前記第一実施形態における左右
両浮上歩行体6,7の水掻き羽根11に代えて、所定形
状(後側の垂立面と前側の傾斜面)を有する水掻き部
(推進体)を左右両浮上歩行体6,7の裏面から突設す
る。この場合、浮上歩行体6,7を後方へ蹴ると、この
水掻き部の垂立面が水に対する抵抗となって水上推進力
が生じる。逆に、浮上歩行体6,7を前方へ移動させる
ときにはこの水掻き部の傾斜面が水の抵抗を弱め、浮上
歩行体6,7を水面上で浮かす必要はなく滑らすだけで
良い。
In addition to the first embodiment, the following (a) to
It may be configured as shown in (b). (A) Although not shown, instead of the water scraping blades 11 of the left and right floating walking bodies 6 and 7 in the first embodiment, a water scraping part (propulsion) having a predetermined shape (a rear upright surface and a front inclined surface) The left and right floating walking bodies 6, 7 are projected from the back surface of the body. In this case, when the levitation walking bodies 6 and 7 are kicked backward, the upright surface of the water scraping portion becomes resistance to water, and a water propulsion force is generated. On the contrary, when the levitation walking bodies 6 and 7 are moved forward, the inclined surface of the water scratching portion weakens the water resistance, and it is not necessary to float the levitation walking bodies 6 and 7 on the water surface, and it is sufficient to slide them.

【0016】(ロ) 図示しないが、前記第一実施形態
において、左右両浮上歩行体6,7が進行方向Pにのみ
往復移動するように、その動きを規制するガイド体を浮
上支持体1に設ける。
(B) Although not shown, in the first embodiment, a guide body for restricting the movement of the left and right floating walking bodies 6 and 7 so as to reciprocate only in the traveling direction P is provided on the floating support body 1. Set up.

【0017】[0017]

【発明の第二実施形態】次に、本発明の第二実施形態に
かかる水上遊技機を図2を参照して説明する。 〔水上で浮力を持つ浮上支持体1について〕浮上支持体
1の構造は、第一実施形態の場合と基本的に同様であ
る。
Second Embodiment of the Invention Next, a floating game machine according to a second embodiment of the present invention will be described with reference to FIG. [Floating support 1 having buoyancy on water] The structure of the floating support 1 is basically the same as that of the first embodiment.

【0018】〔浮上支持体1により水上で支えられる可
動浮上体4について〕可動浮上体4は軽量な材料により
成形され、その動力伝達部5は、手すり2の下方におい
て左右両固定浮上体3間に配設されたベルト式巻掛け伝
動装置12を備えている。このベルト式巻掛け伝動装置
12においては、浮上支持体1に手すり2とともに設け
られた枠体13にあってその前後両側にプーリ14,1
5が支持され、この前後両プーリ14,15間に平ベル
ト16が掛け渡されている。この平ベルト16の内側で
枠体13にはベルト支え板13aが設けられている。手
すり2付近でこの平ベルト16の表面16aが左右足載
置部になっている。前側プーリ14付近で枠体13の左
右両側に水掻き羽根17(推進体)が支持され、この水
掻き羽根17の回転軸17aと前側プーリ14の回転軸
14aとには回転方向逆転用平歯車18,19が支持さ
れている。
[Movable levitation body 4 supported on the water by the levitation support body 1] The movable levitation body 4 is formed of a lightweight material, and its power transmission portion 5 is located below the handrail 2 between the left and right fixed levitation bodies 3. The belt-type winding transmission device 12 disposed in the. In this belt type winding transmission device 12, there is a frame body 13 provided on a floating support body 1 together with a handrail 2 and pulleys 14, 1 are provided on both front and rear sides thereof.
5 is supported, and a flat belt 16 is stretched between the front and rear pulleys 14 and 15. A belt support plate 13 a is provided on the frame body 13 inside the flat belt 16. In the vicinity of the handrail 2, the surface 16a of the flat belt 16 serves as the left and right foot rest portions. Water scraping blades 17 (propulsion bodies) are supported on the left and right sides of the frame body 13 near the front pulley 14, and the rotary shaft 17a of the water scraping blade 17 and the rotary shaft 14a of the front pulley 14 have a spur gear 18 for reversing the rotation direction. 19 are supported.

【0019】〔上記水上遊技機の使用について〕使用者
は、進行方向P上流側の前方を向き、前記平ベルト16
の表面16aに左右両足を載せ、手すり2を支えとして
立つ。そして、使用者が、歩行動作を行い、平ベルト1
6を蹴る力により進行方向Pに沿って回転させると、前
側プーリ14の回転により水掻き羽根17が逆回転し、
水上推進力として変換され、水上遊技機全体が前方へ進
行する。
[Regarding the use of the above-mentioned floating game machine] The user faces the front of the upstream side in the traveling direction P, and the flat belt 16
Place both the left and right feet on the surface 16a of the and stand with the handrail 2 as a support. Then, the user walks and the flat belt 1
When it is rotated along the traveling direction P by the kicking force of 6, the water scraping blade 17 is rotated in the reverse direction by the rotation of the front pulley 14,
Converted as water propulsion, the entire water game machine advances forward.

【0020】第二実施形態は、前記第一実施形態の特徴
(イ)(ロ)に加え、下記(ハ)の特徴を有する。 (ハ) 使用者は平ベルト16上でバランス良くいろい
ろな歩行動作を行うことができる。
The second embodiment has the following characteristics (c) in addition to the characteristics (a) and (b) of the first embodiment. (C) The user can perform various walking motions on the flat belt 16 in good balance.

【0021】前記第二実施形態以外にも下記(イ)のよ
うに構成してもよい。 (イ) 図示しないが、前記第二実施形態における両プ
ーリ14,15及び平ベルト16等からなるベルト式巻
掛け伝動装置12に代えて、他の巻掛け伝動装置を利用
する。例えば、前後両スプロケット間に掛け渡された左
右両チェーン間に可撓性無端状足載置帯を架設する。
In addition to the second embodiment, the following configuration (a) may be adopted. (A) Although not shown, another winding transmission device is used in place of the belt type winding transmission device 12 including the pulleys 14 and 15 and the flat belt 16 in the second embodiment. For example, a flexible endless footrest is erected between the left and right chains suspended between the front and rear sprockets.

【0022】〔歩行動作の意味〕歩行動作とは、人が地
面等を歩いたり走ったりする通常の動作ばかりではな
く、立って足を動かす広い意味に解釈する。
[Meaning of walking motion] The walking motion is not limited to a normal motion of a person walking or running on the ground or the like, and is broadly interpreted as standing and moving a foot.

【0023】[0023]

【発明の効果】本発明にかかる水上遊技機によれば、歩
行機として兼用できるので、健康増進のための歩行をレ
ジャーを兼ねて水上で楽しく行うことができる。
According to the floating game machine of the present invention, since it can be used as a walking machine, it is possible to enjoy walking on the water for the purpose of promoting health while also playing leisure.

【図面の簡単な説明】[Brief description of drawings]

【図1】 (a)は第一実施形態にかかる水上遊技機を
示す平面図であり、(b)は同じく正面図であり、
(c)は(a)のXーX線断面図である。
FIG. 1 (a) is a plan view showing a floating game machine according to a first embodiment, and FIG. 1 (b) is a front view of the same.
(C) is a sectional view taken along line XX of (a).

【図2】 (a)は第二実施形態にかかる水上遊技機を
示す平面図であり、(b)は同じく正面図であり、
(c)は(a)のYーY線断面図である。
FIG. 2 (a) is a plan view showing a floating game machine according to a second embodiment, and FIG. 2 (b) is a front view of the same.
(C) is a sectional view taken along the line YY of (a).

【符号の説明】[Explanation of symbols]

1…浮上支持体、4…可動浮上体、5…動力伝達部、
6,7…浮上歩行体、9、10…足載置部、12…ベル
ト式巻掛け伝動装置、16a…ベルト表面(足載置
部)、17…水掻き羽根(推進体)。
DESCRIPTION OF SYMBOLS 1 ... Floating support body, 4 ... Movable levitation body, 5 ... Power transmission part,
6, 7 ... Levitating walking body, 9, 10 ... Foot rest part, 12 ... Belt type winding transmission device, 16a ... Belt surface (foot rest part), 17 ... Watering blade (propulsion body).

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 水上で浮力を持つ浮上支持体(1)と、
水上で浮力を持つか又はこの浮上支持体(1)により水
上で支えられる可動浮上体(4)とを備え、この可動浮
上体(4)にあっては、足載置部(9,10,16a)
で行う歩行動作を水上推進力として変換する動力伝達部
(5)を設けたことを特徴とする歩行兼用水上遊技機。
1. A levitation support (1) having buoyancy on water,
A movable levitation body (4) having buoyancy on the water or supported by the levitation support body (1) on the water. In the movable levitation body (4), the foot rests (9, 10, 16a)
A walking / floating amusement machine which is provided with a power transmission unit (5) for converting a walking motion carried out in Step 1 into a water propulsion force.
【請求項2】 請求項1に記載した可動浮上体(4)の
動力伝達部(5)は、水上で浮力を持ち、左足載置部
(9)で行う歩行動作を水上推進力として変換する浮上
歩行体(6)と、右足載置部(10)で行う歩行動作を
水上推進力として変換する浮上歩行体(7)とを備えた
ことを特徴とする歩行兼用水上遊技機。
2. The power transmission part (5) of the movable levitation body (4) according to claim 1 has buoyancy on the water and converts the walking motion performed by the left foot rest (9) as a water propulsion force. A walking / floating amusement machine comprising a levitating walking body (6) and a levitating walking body (7) for converting a walking motion performed by a right foot rest (10) as a water propulsion force.
【請求項3】 請求項1に記載した可動浮上体(4)の
動力伝達部(5)は、浮上支持体(1)により水上で支
えられ、足載置部(16a)で行う歩行動作を回転力と
して変換する巻掛け伝動装置(12)と、この巻掛け伝
動装置(12)の回転を水上推進力として変換する推進
体(17)とを備えたことを特徴とする歩行兼用水上遊
技機。
3. The power transmission section (5) of the movable levitation body (4) according to claim 1 is supported on the water by the levitation support body (1), and a walking operation performed by the footrest section (16a). A walking and water surface gaming machine comprising: a winding transmission device (12) for converting the rotation force and a propelling body (17) for converting the rotation of the winding transmission device (12) as a water propulsion force. .
JP7191912A 1995-07-27 1995-07-27 Water game machine also serving as walk Pending JPH0939884A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7191912A JPH0939884A (en) 1995-07-27 1995-07-27 Water game machine also serving as walk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7191912A JPH0939884A (en) 1995-07-27 1995-07-27 Water game machine also serving as walk

Publications (1)

Publication Number Publication Date
JPH0939884A true JPH0939884A (en) 1997-02-10

Family

ID=16282519

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7191912A Pending JPH0939884A (en) 1995-07-27 1995-07-27 Water game machine also serving as walk

Country Status (1)

Country Link
JP (1) JPH0939884A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004000639A1 (en) * 2002-06-21 2003-12-31 Hyung Kyu Jung Device for rippling of water
US7354326B2 (en) * 2005-05-13 2008-04-08 Lukens William W Personal watercraft
WO2022045494A1 (en) * 2020-08-26 2022-03-03 안진우 Apparatus for walking on water

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004000639A1 (en) * 2002-06-21 2003-12-31 Hyung Kyu Jung Device for rippling of water
US7160165B2 (en) 2002-06-21 2007-01-09 Hyung Kyu Jung Device for rippling of water
KR100978861B1 (en) * 2002-06-21 2010-08-31 형 규 정 Device for rippling of water
US7354326B2 (en) * 2005-05-13 2008-04-08 Lukens William W Personal watercraft
WO2022045494A1 (en) * 2020-08-26 2022-03-03 안진우 Apparatus for walking on water

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