[go: up one dir, main page]

WO2008008011A1 - Dispositif de transport sur l'eau - Google Patents

Dispositif de transport sur l'eau Download PDF

Info

Publication number
WO2008008011A1
WO2008008011A1 PCT/SE2006/050254 SE2006050254W WO2008008011A1 WO 2008008011 A1 WO2008008011 A1 WO 2008008011A1 SE 2006050254 W SE2006050254 W SE 2006050254W WO 2008008011 A1 WO2008008011 A1 WO 2008008011A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
user
units
carrying elements
carrying
Prior art date
Application number
PCT/SE2006/050254
Other languages
English (en)
Inventor
Fredrik Magnusson
Original Assignee
Madiana Ab
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 Madiana Ab filed Critical Madiana Ab
Priority to PCT/SE2006/050254 priority Critical patent/WO2008008011A1/fr
Publication of WO2008008011A1 publication Critical patent/WO2008008011A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H16/00—Marine propulsion by muscle power
    • B63H16/08—Other apparatus for converting muscle power into propulsive effort
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B34/00—Vessels specially adapted for water sports or leisure; Body-supporting devices specially adapted for water sports or leisure
    • B63B34/40—Body-supporting structures dynamically supported by foils under water
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B31/00—Swimming aids
    • A63B31/08—Swim fins, flippers or other swimming aids held by, or attachable to, the hands, arms, feet or legs
    • A63B31/10—Swim fins, flippers or other swimming aids held by, or attachable to, the hands, arms, feet or legs held by, or attachable to, the hands or feet
    • A63B31/11—Swim fins, flippers or other swimming aids held by, or attachable to, the hands, arms, feet or legs held by, or attachable to, the hands or feet attachable only to the feet

Definitions

  • the invention relates to a device for transporting a person on water. More specifically the invention relates to a device consisting of two separate units attachable to each of a users legs being arranged to support the user such that he may transport himself on water by his own effort.
  • US 6 848 958 discloses a device for transportation on water which is furnished with a floating carrier body from which two pivo table rods extend downwards into the water. The user fixes his feet to the ends of these rods and transports himself forward by pedalling his legs, wherein a fin on one of the rods takes the user forward and slightly downwards when the user moves the other rod downwards.
  • US 4 952 184 disclose a pair of skis for transportation on water.
  • the skis have sufficiently buoyancy to carry the user and the lower surfaces of the skis are provided with fins, which are arranged to provide a small resistance upon transportation forward and a large resistance upon transportation backwards. Consequently, a user may move forward by moving one ski at the time forward, the other ski preventing the user from gliding backwards.
  • US 6 468 118 discloses a personal watercraft including at least one stepper. Each stepper is pivotally associated with a propulsion member that is moveable in a generally vertical direction so that the propulsion member is in a first position during downward motion of the stepper and a second position during upward motion of the stepper.
  • the device further includes a floating object, in which the user is placed.
  • the object of the invention is thus to provide a device that allows a user to transport himself on water regardless of weather conditions and without floating members or further aid. This object is obtained by the device for transportation on water according to claim 1.
  • the invention relates to a device comprising two elongate separate units arranged to be worn essentially vertically on each of a users legs, each unit comprising an elongate body extending along essentially the whole length of the unit, each unit comprising: - a front side and a back side, an upper part with a fastening means for fixing a foot with the toes facing forward, the upper part being arranged to be to above water level, a lower part, on which at least one carrying element is arranged, the lower part being arranged to be below water level in use, and - a central part connecting the upper part with the lower part, the central part being arranged to be partly above water level and partly below water level in use.
  • the carrying element extends at a substantially right angle sideways from respective unit the carrying element having a front part at which they are pivotally connected to an elongate body and a rear part extending backwards with respect to the elongate body, the carrying elements being pivotable between an upper position, at which the carrying elements are essentially horizontal providing buoyancy to the user such that his weight partly takes him forward, and a lower position, at which the carrying elements may be placed essentially vertical with the rear parts pointing downwards, the lower position being approached automatically when a unit is driven upwards through the water.
  • the fastening means includes an upper fastening means and a lower fastening means arranged to be fixed at different heights of the user's lower leg, such that the user may control the inclination of the unit with the inclination of his lower leg.
  • the user may transport himself forward on water without any floating members using his own weight.
  • the user may gain height in the water by pedalling his feet and due to the configuration of the carrying elements the gained potential energy may then be converted into kinetic energy, taking the user forward and at the same time keeping him from sinking.
  • the fastening means allows the user to control the inclination of the units with the inclination of his lower leg, such that they may be operated independently of each other.
  • Figure 1 shows a preferred embodiment of the device according to the invention mounted on a users leg
  • Figure 2 shows the device of figure 1 partly in see-through lines
  • Figure 3 shows the lower part of a unit of the device in figure 1 , the carrying elements being in a carrying position;
  • Figure 4 shows the same part as figure 3, when the carrying elements are in a free position
  • Figure 5 shows a linkage between a foot plate and a carrying element
  • Figure 6 shows the lowest part of a second embodiment of a unit according to the invention.
  • FIG 1 it is shown how a user 1 uses the device according to the invention to transport himself on water.
  • the device 1 comprises two elongate separate units 101, 201 arranged to be worn in pairs essentially vertically on each of the users leg. Details of the unit 101, which is to be worn on the users right leg, have consistently been given reference numerals from 100, and correspondingly details on the other unit 201 have consistently been given reference numerals from 200.
  • Each unit 101, 201 comprises an elongate body 102, 202 extending along essentially the length of the unit.
  • the elongate body 102, 202 have a front side 103, 203 and a back side 104, 204.
  • An upper part 105, 205 of the elongate body 102, 202 is arranged to be above water level in use and is furnished with fastening means 106, 206 for fixing the users 1 feet with the toes facing forward.
  • a lower part 107, 207 which is arranged to be to below water level in use is furnished with at least one carrying element 108, 208.
  • a central part 109, 209 connects the upper part 105, 205 with the lower part 107, 207.
  • the carrying element 108, 208 of the device preferably extend essentially orthogonally sideways from each unit 101, 201. They may also be arranged at an angle that is not orthogonal with respect to the unit 101, 201. It may for instance be advantageous to arrange the carrying elements at an angle slightly upwards in order to decrease the magnitude of the lateral forces they cause.
  • the carrying elements 108, 208 have a front part 108a, 208a at which they are pivotally connected to the elongate body 101, 102 and a rear part 108b, 208b extending backwards from the elongate body, the carrying elements 108, 208 being pivotable between an upper position and a lower position.
  • the carrying elements 208 of the left unit 201 are in the upper position in which the carrying elements 208 are essentially horizontal, slanting slightly forward and providing buoyancy to the user so that his weight partly brings him forward.
  • the carrying elements 108 of the left unit 101 are almost at the lower position in figure 1.
  • the lower position is such that it allows the carrying elements to be placed essentially vertically with the rear parts 108b, 208b pointing downwards.
  • the lower position is automatically approached when a unit is pulled upwards through the water.
  • the user 1 may transport himself on the water by lifting one leg at a time, which allows him to gain height and potential energy with one leg at a time.
  • the thus gained potential energy may then, due to the configuration of the carrying elements, be converted into kinetic energy forward.
  • the central part 109, 209 has a certain length L and is arranged to split the water line in use.
  • the length L is preferably chosen to allow the user to glide a sufficient distance before additional potential energy has to be gained by lifting the legs, preferably one at a time. If sufficient potential energy has been obtained for both units 101, 201 at the same time, i.e. if both units are placed such that a major part of the length L of the central part 109, 209 is above water level, the user will be able to glide forward for quite a distance before additional potential energy has to be gained. Normally, however, the user glades on one unit at a time while he at the same time brings the other unit upwards.
  • FIGS 3 and 4 the details of the left unit 201 that are positioned below water level 2 in use are shown.
  • the carrying elements 208 are positioned in the upper position, which are taken when the user's left foot rests on the fastening means 206 of the unit and an essential part of the user's weight presses the unit 201 down.
  • the weight is counterbalanced by the carrying elements 208, preventing the unit from sinking straight downwards. Instead the potential energy residing in the elevated position of the user's weight is at least partly converted to forward acting kinetic energy.
  • the inclination of the carrying elements 208 i.e. the difference in height between the front part and the rear part, is partly decisive.
  • the carrying elements are completely horizontal the braking force produced by the carrying elements on the unit will alternately move the unit forward and backwards, wherein no real useful transportation is achieved. If, on the other hand, they are essentially vertical, with the front part 208a pointing downwards, the transportation will be consistent, but the useful transportation will be so small that the user will not get far before sinking.
  • the inclination of the carrying elements 208 should be chosen with care such that maximum transportation may be achieved, however an inclination of less than 2% is very difficult to handle.
  • a certain velocity has been obtained it is possible to move the units forward without hardly any inclination at all of the carrying elements.
  • the superior surface of airplane wings even inclines slightly downwards towards the rear part.
  • the inclination is different depending on the application of the device. In devices intended for novices the angle is preferably around 10 % and similar inclination magnitudes are appropriate for "playful" devices where the main object is something else than a maximum transportation in a minimum amount of time.
  • the quantity, the size and the shape of the carrying elements 108, 208 are other important parameters that may be controlled in order to obtain as much buoyancy as possible.
  • the quantity and the size are of course related as they together define the total carrying area. What might be considered as a suitable carrying area partly depends on the users weight, as more weight requires more carrying force.
  • each unit may be provided with one single carrying element, which extends several meters to the side like a sailplane wing. However, such a configuration is both difficult to manoeuvre and inflexible, and only suited for transportation over large waters, free from obstacles.
  • several carrying elements are arranged, each extending approximately half a meter away from the body 102, 202. These carrying elements may instead be relatively wide from the front part to the rear part. For best performance the configuration of the carrying elements are individually adapted for a specific application and for a specific user in dependance of his weight and experience.
  • the units 101, 201 are solely provided with carrying elements 108, 208 on the outsides, the insides being flat. This configuration is advantageous as the carrying elements of the separate units are prevented from mutual interference.
  • the carrying elements it is of course possible to arrange the carrying elements in many different ways. For instance both sides of the elongate body 102, 202 may be provided with carrying element, and/or the elongate body may be parted into two or more vertical parts with carrying elements arranged between the parts.
  • Figure 4 shows the lower part 207 of a left unit 201 at a time when it is being pulled upwards through the water, wherein the position of each carrying element 208 is close to the lower position.
  • the function of the lower position is merely to prevent the carrying elements from being rotated backwards, and during correct use the lower position is never reached.
  • the carrying elements 208 are automatically turned to the position shown in figure 5 when the unit 201 is pulled upwards as the water above the elements 208 affects the rear parts 208b of them.
  • a spring device acting downwards on the carrying elements In order to facilitate the pulling up of the unit 201 one might arrange a spring device acting downwards on the carrying elements. However, a spring is more preferably arranged such that the spring force acts in the opposite direction, thereby facilitating the action of bringing the carrying elements into the carrying position, i.e. the upper position (se fig. 5).
  • Another fashion of decreasing the resistance encountered by the carrying elements 208 on the way up and facilitating the pulling up of the units is to divide the carrying elements in smaller consecutive segments. However, such a configuration may substantially impede the buoyancy of the elements.
  • the carrying elements it is possible to arrange the carrying elements such that they may be rotated backwards. However, it is absolutely necessary for the well function of the invention that the carrying elements are impeded from rotating forward in order to transform the weight of the user into kinetic energy in a forward direction. If they would be totally free to rotate forward they would assume the position that implies the least resistance when they are being pressed down by the weight of the user, wheras the rear part of the carrying elements would be pointing upwards and no forward acting kinetic energy would be gained.
  • each fastening means 106, 206 comprises an upper fastening means including a securing strap 110, 210 arranged to be fixed around the user's lower leg.
  • the securing straps 110, 210 are connected to a lower fastening means via a stiff joint 102a, 202a.
  • the lower fastening means includes a foot plate 111, 211 which might be an integrated part of the elongate body 102, 202, the foot plate being arranged to carry the users feet.
  • the foot plate 111, 211 is arranged essentially orthogonally with respect to the elongate body 102, 202 and comprises a front part 11 Ia, 21 Ia extending forward with respect to the elongate body 102, 202 and a back part 11 Ib, 21 Ib extending backwards.
  • the lower fastening means further includes a front fastening means 112a, 212a and a rear fastening means 112b, 212b, which are both arranged on the foot plate 111 , 211 for the fixing of the users to the foot plate.
  • the user's foot is arranged on the outer side of the elongate body 102, 202, which is the case in the preferred embodiment. However, it is feasible to arrange the foot on the inner side or between the parts of a two-part elongate body.
  • the stiff joint 102a, 202a connecting the upper and the lower fastening means is useful as it allows the user to fix his lower leg at two different points at different heights, i.e. just under the knee and at the foot, respectively, allowing him to control the inclination of the unit. Due to the two different fastening points at different heights of the lower leg the unit becomes bound up with the lower part of the leg such that the unit 101, 201 and the lower leg will stay related to each other in essentially the same angle throughout the entire use.
  • the front fastening means 112a, 212a makes sure that the unit stays fixed to the foot when the user pulls his foot upwards and the rear fastening means 112b, 212b fixes the heel part of the user's foot, whereas the foot plate 111, 211 of course constitutes an unpassable rest for the foot when the body weight rests upon it.
  • FIG. 5 shows a part of an alternative embodiment of a unit according to the invention, in which a fixed link 213 connects the foot plate 211 to the carrying elements 208.
  • the foot plate 211 is pivo tally arranged on the elongate body 202, wherein any rotation of the foot plate 211 affects a gliding element 214 gliding in an annular track 215 in the elongate body 202, the gliding element 214 being pressed downwards when the foot plate 211 is rotated forwardly.
  • the gliding element 214 is connected to another gliding element 215, via the fixed link 213, wherein each carrying element 208 has a gliding element 215 at its connection to the body 202.
  • the gliding element 215 of the carrying elements 208 are also arranged in annular tracks 216 and are coupled to a blocking means 217, respectively.
  • the blocking means 217 are arranged to limit the movability of the carrying elements 208.
  • the limitation is achieved by a rotation block 218 fixedly connected the carrying elements, wherein the rotation block 218 is prevented from turning pass the blocking means 217, and wherein the limiting upper position is defined as the position where the rotation block 218 encounters the blocking means 217 from above, and the lower position is defined as the position where the rotation block 218 encounters the blocking means 217 from below.
  • the user can control the inclination angle of the carrying elements 108, 208 during use, which is especially advantageous when he wants to put one foot in front of the other, wherein the units 101, 201 will have different angles of incidence into the water.
  • the inclination of the foot plates 111, 211 may be controlled so that the inclination of the carrying elements 108, 208 with respect to water level is the same for both units. This is achieved by arranging the footplates 111, 211 to equal inclinations with respect to the water level.
  • a spring 219 is arranged between the elongate body 202 and the rotation block 218 of the carrying elements 208.
  • the spring 219 affects the carrying element 208, via the rotation block 218, such that it takes less effort to move the carrying element 208 into the carrying (upper) position.
  • the inclination of the foot plates 111, 211 and the carrying elements 108, 208 are instead individually adjustable. However, such an adjustment is not done during use, but before use.
  • the foot plate 111, 211 may be pivo tally connected to the elongate body 102, 202, but without connection to the carrying elements 108, 208.
  • the carrying elements 108, 208 are preferably wing shaped with a rounded front part 108a, 208a and a narrowing rear part 108b, 208b ending in an acute angle, the superior surface of the carrying elements is convex along its whole length, or almost its whole length.
  • the degree of convextivity decreases towards the tip of the rear part, and the carrying elements 108, 208 might even be slightly concave near the tip.
  • the lower surface of the carrying elements is convex at the part closest to the rounded front part, but is concave along a major part of its length towards the rear part 108b, 208b. At the back tip it may be more or less plane or even slightly convex.
  • FIG 6 an embodiment of the lower region of a unit,s lower part is shown.
  • the lowermost part of the lower part is in this embodiment comprised of a slanted fin 220, which affects the lower part of the unit 201 such that it is forced inwards when the unit is moved downwards through the water.
  • the fin 220 may either be fixedly or movably arranged such that it is folded back when the unit 201 is pulled upwards through the water.
  • the fin 220 is intended to compensate for the lateral forces created as a result of that the carrying elements are arranged on only one side of the elongate body 202. These lateral forces may also be compensated for through adjustments of the angle at which the carrying elements 208 extend sideways from the elongate body.
  • a support 221 is arranged at the lowest part of the unit 201.
  • the support 221 may be a rubber detail or any other suitable detail for protecting the unit if it should hit solid ground.
  • the preferred embodiments are intended to exemplify advantageous ways of configuring the device according to the invention. However, it is possible to configure the device in many different ways without parting from the spirit of the invention. The device according to the invention is thus only limited by the scope of the independent claim below.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Rehabilitation Tools (AREA)

Abstract

La présente invention concerne un dispositif de transport sur l'eau comprenant deux unités séparées allongées (101, 201) disposées pour être portées par paire essentiellement verticalement sur une jambe d'utilisateur (1), les deux unités (101, 201) comprenant un corps allongé (102, 202) s'étendant pour l'essentiel le long de l'ensemble de la longueur des unités, le corps allongé (102, 202) comprenant trois parties principales; une partie supérieure (105, 205) avec des moyens de fixation (106, 206) pour fixer une partie inférieure d'une jambe avec les orteils vers l'avant, la partie supérieure (105, 205) étant disposée pour être au-dessus du niveau de l'eau en utilisation; une partie inférieure (107,207) sur laquelle au moins un élément de support (108, 208) est disposé, la partie inférieure (107, 207) étant disposée pour être en dessous du niveau de l'eau en utilisation; et une partie centrale (109, 209) reliant la partie supérieure (105, 205) à la partie inférieure (107, 207), la partie centrale étant disposée pour être en partie au-dessus du niveau de l'eau et en partie en dessous du niveau de l'eau en utilisation. Les éléments de support (108, 208) s'étendent sensiblement à angle droit sur le coté de l'unité (101, 201) respective, les éléments de support (108, 208) ayant une partie avant (108a, 208a) au niveau de laquelle ils sont connectés de façon pivotante au corps allongé (102, 202) et une partie arrière (108b, 208b) s'étendant vers l'arrière par rapport au corps allongé (102, 202), les éléments de support (108, 208) pouvant pivoter entre une position supérieure au niveau de laquelle ils sont sensiblement horizontaux, permettant à l'utilisateur (1) de flotter de sorte que son poids le pousse en partie vers l'avant, et une position inférieure au niveau de laquelle ils peuvent être placés sensiblement verticalement avec les parties arrière (108b, 208b) dirigées vers le bas, la position inférieure étant approchée automatiquement lorsqu'une unité (101, 201) est entraînée vers le haut dans l'eau.
PCT/SE2006/050254 2006-07-10 2006-07-10 Dispositif de transport sur l'eau WO2008008011A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/SE2006/050254 WO2008008011A1 (fr) 2006-07-10 2006-07-10 Dispositif de transport sur l'eau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2006/050254 WO2008008011A1 (fr) 2006-07-10 2006-07-10 Dispositif de transport sur l'eau

Publications (1)

Publication Number Publication Date
WO2008008011A1 true WO2008008011A1 (fr) 2008-01-17

Family

ID=38923487

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2006/050254 WO2008008011A1 (fr) 2006-07-10 2006-07-10 Dispositif de transport sur l'eau

Country Status (1)

Country Link
WO (1) WO2008008011A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010115312A1 (fr) 2009-04-10 2010-10-14 Dow Global Technologies Inc. Film de polypropylène à orientation biaxiale coextrudé scellable haute performance
EP2253236A1 (fr) * 2009-05-21 2010-11-24 Paul Grima Patins d'hydroptère
CN107866044A (zh) * 2017-11-26 2018-04-03 防城港市蓝瀚达科技有限公司 一种人在溺水后乱蹬产生浮力的游泳鞋

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE802793C (de) * 1948-11-12 1951-02-26 Julius Dipl-Ing Schuck Geraet zum Fortbewegen auf dem Wasser
FR2486015A1 (fr) * 1980-07-04 1982-01-08 Chretien Jacques Nouvel engin nautique a propulsion musculaire
WO1997029010A1 (fr) * 1996-02-12 1997-08-14 Harding, Richard, Patrick Vehicule aquatique
WO2002055381A2 (fr) * 2000-11-08 2002-07-18 Cid, Inc. Embarcation individuelle a moteur

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE802793C (de) * 1948-11-12 1951-02-26 Julius Dipl-Ing Schuck Geraet zum Fortbewegen auf dem Wasser
FR2486015A1 (fr) * 1980-07-04 1982-01-08 Chretien Jacques Nouvel engin nautique a propulsion musculaire
WO1997029010A1 (fr) * 1996-02-12 1997-08-14 Harding, Richard, Patrick Vehicule aquatique
WO2002055381A2 (fr) * 2000-11-08 2002-07-18 Cid, Inc. Embarcation individuelle a moteur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010115312A1 (fr) 2009-04-10 2010-10-14 Dow Global Technologies Inc. Film de polypropylène à orientation biaxiale coextrudé scellable haute performance
EP2253236A1 (fr) * 2009-05-21 2010-11-24 Paul Grima Patins d'hydroptère
CN107866044A (zh) * 2017-11-26 2018-04-03 防城港市蓝瀚达科技有限公司 一种人在溺水后乱蹬产生浮力的游泳鞋

Similar Documents

Publication Publication Date Title
US9849980B2 (en) Personal propulsion devices with improved balance
US5429536A (en) Monofin swimming apparatus and assembly method
US7867050B2 (en) Paddle assist to pop-up device
US12128291B2 (en) Support and suspension assembly for a snow sports board
US20160175691A1 (en) Splitboard boot binding system with adjustable highback
US6855024B2 (en) Skis to walk on water
EP1984238B1 (fr) Équipement de sports aquatiques
US20150314847A1 (en) Paddleboard with reciprocating direct drive and rudder controls
WO2008008011A1 (fr) Dispositif de transport sur l'eau
US20090270001A1 (en) Paddle to Pop-up Device
WO2018075348A1 (fr) Ensemble attache et support destiné à une planche de sport de neige
US9403551B2 (en) Apparatus comprising a body support frame and means for manoeuvring this frame with respect to a sports board
US20150182847A1 (en) Adaptable riding board
US3542389A (en) Winged ski apparatus
AU2015208930B2 (en) Paddle for water sports
JPH05193556A (ja) 人の足の交互運動によって推進される浮動装置
KR200401158Y1 (ko) 상체 전방 위치형 스키 타입 썰매
JPH01301489A (ja) 航法装置用ブーム
US20190160357A1 (en) Training device and training seat for kite surfing and method thereof
SE529321C2 (sv) Anordning för förflyttning på vatten
KR100712251B1 (ko) 상체 전방 위치형 스키 타입 썰매
US20020115364A1 (en) Self propelled water ski
US20120329348A1 (en) Multifunctional engagement apparatus for a water recreation device and associated methods
KR101811951B1 (ko) 레저 기구
US20080045098A1 (en) Watercrafts

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 06769634

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

NENP Non-entry into the national phase

Ref country code: RU

122 Ep: pct application non-entry in european phase

Ref document number: 06769634

Country of ref document: EP

Kind code of ref document: A1