WO2015122781A1 - Modèle de kayak amélioré - Google Patents

Modèle de kayak amélioré Download PDF

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Publication number
WO2015122781A1
WO2015122781A1 PCT/NO2015/050031 NO2015050031W WO2015122781A1 WO 2015122781 A1 WO2015122781 A1 WO 2015122781A1 NO 2015050031 W NO2015050031 W NO 2015050031W WO 2015122781 A1 WO2015122781 A1 WO 2015122781A1
Authority
WO
WIPO (PCT)
Prior art keywords
kayak
opening
rod
rods
releasable
Prior art date
Application number
PCT/NO2015/050031
Other languages
English (en)
Inventor
Wilfred Hall
Original Assignee
Wilfred Hall
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 Wilfred Hall filed Critical Wilfred Hall
Publication of WO2015122781A1 publication Critical patent/WO2015122781A1/fr

Links

Classifications

    • 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
    • B63B34/20—Canoes, kayaks or the like
    • B63B34/21—Canoes, kayaks or the like characterised by constructional features
    • 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
    • B63B34/26—Accessories for canoes, kayaks or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
    • B63B1/12—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly
    • B63B1/121—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly comprising two hulls
    • B63B2001/123—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly comprising two hulls interconnected by a plurality of beams, or the like members only

Definitions

  • the present invention relates to an improved kayak design, and especially to a kayak design with integrated releasable interconnecting elements enabling assembly of a stabilizing configuration when kayaks are deployed offshore in water.
  • People paddling may also be part of a group of paddlers and this provides a possibility to tie together kayaks to form a sort of catamaran of two ore more kayaks resting beside each other.
  • each respective hull of each kayak may be moved up and down and/or sideways independently by waves, i. e. being subject to uncorrelated movements in three dimensions.
  • any rigid coupling between hulls may transfer wave movements between hulls that may provide tear and wear of hulls due to the usual lightweight material designs of kayaks.
  • CA 1280040 by Robert Timothy Ingram disclose a pair of Kayak safety sponsons having two parallel inflatable tubes along the water-line on each side of the kayak adjacent to the cockpit position. These tubes join together below the waterline by means of material such as straps and above the waterline at both ends by a fastener such as a strap with a quick-release buckle, at each end of the cockpit. They can be attached and inflated by the kayaker seated in the cockpit while using a paddle. Deflated, the sponsons are flat and tightly drawn against the hull by the two fasteners for minimal water resistance.
  • sponsons Inflated, the sponsons taper toward both ends for minimal water resistance, increasing maximum waterline beam of the kayak adjacent to the cockpit area but not affecting forward and aft lines of the craft, permitting normal handling due to minimal change in underwater lines and minimal increase in water resistance.
  • sponsons may be vulnerable to obstacles like sharp rocks in the water, for example in areas closer to land.
  • US 5189974 by William E. Masters disclose a catamaran kayak which comprises a plurality of hulls (10, 12) which are joined together and laterally spaced by elongated connectors (B). Flexible couplings (C) are formed on the hulls receiving the ends of elongated connectors (B) and provide for flexibility between the hulls and the elongated connectors in three degrees of freedom.
  • the flexible couplings include flexible bosses (30) which are formed on the kayak hulls and which receive the ends of the elongated connectors. Journals (36) are carried in the flexible bosses and flexible bushings (38) may be carried between the elongated connectors and the journal to control the amount of flexibility provided.
  • This enables flexibility of each flexible coupling (C) to be controlled, if desired, in accordance with the style, weight, and other characteristics of the individual boaters, as well as tailoring the catamaran kayak for the type of water conditions in which it is used, in addition, the flex characteristics of the coupling between the kayaks, and hence the performance of the kayak, may be controlled by the thickness of the hull and the geometry of the hull in the area which the flexible bosses (30) are formed.
  • the hulls are molded from a flexible polymeric material and flexible bosses (30) are formed as one piece with the hull.
  • this arrangement usually requires assembly of the catamaran onshore before deploying the catamaran offshore on the water.
  • this kind of operation offshore is usually extremely difficult to achieve due to independent movements of respective kayaks due to wave motions.
  • the positional alignment must be achieved within three dimensions.
  • an improved kayak design would be advantageous, and in particular a kayak design facilitating extended use of kayaks would be advantageous.
  • the invention is particularly, but not exclusively, advantageous for obtaining a kayak arranged with interconnecting elements enabling assembly of a stabilizing configuration when kayaks are deployed offshore in water, wherein the kayak comprises:
  • At least one transversely arranged elongated opening that is arranged from a hull side to opposite hull side, and is located on a top surface of a deck section, wherein the at least one opening is located in a reachable distance from the cockpit
  • the at least one opening is faced upwards and is adapted to receive the at least one rod when the at least one rod is pushed inside the at least one opening from a position above the deck section,
  • the at least one rod is fastened releasable with a locking mechanism in the at least one opening
  • an end section of the at least one rod is releasable attached to an element, or elements being part of the stabilizing configuration.
  • the at least one fastened rod is further releasable fastened in a corresponding at least one opening arranged on a deck section of a second kayak when the kayaks are assembled into a catamaran like configuration.
  • the at least one rod is releasable attached to a surface that can be reached from a cockpit of a second kayak when the second kayak is positioned in an operational distance from the kayak. This is an optional feature that facilitates the operation of
  • At least one opening is arranged with inclined sidewalls, wherein the inclination of the walls is either pointing towards the cockpit or away from the cockpit.
  • This is an optional feature facilitating fastening of rods from the cockpit. If the inclination of the walls of the opening is pointing away from the cockpit a paddler can insert a rod by pushing the rod in a forward direction away from the cockpit if he uses an opening located in front of him. The same operation is possible if he turns around in the cockpit and fastens another rod in an opening located behind him.
  • a first opening and a respective second opening are both optionally arranged with an inclination of walls pointing in a same direction relative to the length direction of the kayak, wherein the distance between the first opening and the second opening is adapted to a distance between support rods of a transport rig, wherein the support rods are respectively adapted to the first and second openings on the deck of the kayak.
  • Transport of kayaks is usually done with private cars or trucks. In both cases a transport rig can be used that are equipped with support rods a kayak can rest on. When resting on rods a kayak is preferably turned around with the deck facing downwards towards the rods.
  • the kayak can for example be pushed forward after being turned around and the supporting rods of the transport rig can be inserted into the openings, i. e. the kayak falls down when the support rods are aligned with the openings and is pushed forward.
  • fastening elements in the openings providing a secure and durable tight locking of kayaks to the transport rig during transport.
  • On a private car a rig attached to the roof of the car may be used.
  • a rig with space for a plurality of kayaks can be used.
  • a further aspect of the present invention is to release rods attached to a kayak and use these rods as support rods in the transport rig just by attaching the rods to the rig. It is then further possible to attach the rods first to a kayak and then use the rods to lift the kayak and rods onto the transport rig and then fasten the rods to the transport rig.
  • the at least one opening is optionally arranged with a wider opening in upper parts of the opening compared with sections in lower parts of the opening. This arrangement makes insertions of rods into the openings easy.
  • the at least one opening is arranged with an inserted rotatable cylinder shaped fastening element oriented horizontally from side to side of the hull, wherein an opening in a first circular end surface arranged through the fastening element to a second circular end surface of the cylinder is adapted to receive rods with respective different outer shapes, wherein respective different shaped rods are inserted into the rotatable fastening element from the first circular end surface, or from the second circular shaped end surface of the cylinder shaped fastening element.
  • an interconnecting rod according to the present invention can be a rounded rod.
  • any shape can be used like for example an oval shape or a rectangular shaped board.
  • independent movement up and down between for example two kayaks assembled into a catamaran will not influence the kayaks to the same extent as a fixed connection would.
  • the rod is shaped as a board, twisting of the board due to unsynchronized movements of respective kayaks up and down will mainly result in a rotation of the board inside the openings, and most of the forces from the twisting will be dissipated in this rotation.
  • the rotatable cylinder shaped fastening element is arranged with a slit in a longitudinal direction of a side face of the cylinder shaped fastening element, thereby enabling insertion of a rod into the fastening element when the opening of the slit is rotated to face upwards aligned with the at least one opening.
  • an optional adjustable brake device is configured to control rotation speeds of the rotatable cylinder shaped fastening element inserted into the at least one opening.
  • the at least one rod is optionally releasable kept inside adapted openings inside stabilizing floats optionally attached on side surfaces of the hull of the kayak, wherein the openings of the stabilizing floats are located in a reachable distance from the cockpit.
  • a float can be attached on the sides of a kayak, which improves stability of the kayak.
  • the volume of the floats can be utilized as storage space for rods for example.
  • two U shaped rods are joined together at respective end points of the arms of the U shaped rods, wherein the joined endpoints are fitted with a respective wheel on each side of the joined rods, wherein the two joined U shaped rods are optionally arranged to be fastened in two corresponding openings on a deck of the kayak, wherein the distance between the two openings on the deck is adapted to provide an angle between the two joined rods thereby stabilizing the wheels in both direction of movements of the kayak.
  • a thwart is releasable fastened between at least two rods being spaced apart between two adjacent kayaks in an assembled catamaran configuration.
  • the thwart is adapted to support a sailing mast.
  • the thwart is further adapted to house a tackle with a lanyard that in one end is attached to a sail supported by the sailing mast and in another end is controlled by a paddler located in a cockpit of the assembled catamaran configuration.
  • one end of at least one rod is fastened in at least one opening, and another end of the at least one rod is attached to a sponson or similar object providing buoyancy when submerged into water.
  • interconnecting elements in vessels like a canoe or other similar types of vessels is within the scope of the attached claims, wherein the at least one opening and corresponding rods is arranged either on decks of respective vessels, or on boat rails on each respective side of respective vessels.
  • Figure la illustrates a top view of an example of embodiment of the present invention.
  • Figure lb illustrates a side view of the embodiment in figure la.
  • Figure 2 illustrates as another example of embodiment according to the present invention.
  • Figure 3 illustrates a cross section of an example of embodiment of the present invention.
  • Figure 4a, Figure 4b, Figure 4c illustrates examples of a locking mechanism according to the present invention.
  • Figure 5 illustrates another example of a locking mechanism according to the present invention.
  • Figure 6 illustrates another example of a locking mechanism according to the present invention.
  • Figure 7 illustrates an example of a transportation arrangement according to the present invention.
  • Figure 8 illustrates another example of embodiment according to the present invention.
  • An aspect of the present invention is to provide an improved kayak design that makes it possible to improve the stability of a kayak when needed out in the open sea.
  • kayaks are hydro dynamically unstable vessels. The reason is that it is beneficial to have a slimmer hull of the vessel with a longer water line. The longer water line provides higher speed with less power, and the slim design provides less resistance in the water.
  • these features are also the reason for the unstable behaviour.
  • a kayak can be compared to a bicycle. When the kayak is moving it is more stable. If the speed is low or the kayak is stopped it is possible that a kayak may capsize as known in prior art. Kayaks that are used for recreational purpose can be arranged with cockpits that do not trap a paddler if the kayak capsizes.
  • an object of the present invention is to provide a stabilisation of a kayak by providing a system wherein an extra element, or elements, or device or objects providing for example buoyancy when submerged into water can releasable be attached to for example a rod in one end section while the other end of the rod is attached releasable to the kayak body itself, and that this can be achieved while the kayak is deployed offshore in water.
  • Figure la and figure lb illustrates a respective top view and side view of a kayak 10 according to the present invention.
  • An aspect of the present invention is that elements of stabilizing equipment that can be used should be carried with the kayak and a paddler should be able to perform all operations connected with fitting the stabilizer when the kayak is out in the open sea. Therefore the paddler should be able to reach the respective elements of the stabilizer equipment from a cockpit 17 of the kayak 10.
  • FIG lb there is a releasable rod 11 stored in an opening in the side of the kayak, and the paddler can reach the rod 11 with his hand when sitting in the cockpit 17.
  • the rod 11 can for example be fixed into an opening with releasable straps, or other fastening devices and methods as known in the prior art.
  • the rod 11 can be attached with Velcro locks, and the rod can be taken out in its entire length sideways, or there can be a tube arranged inside a wall of the kayak with an opening that the paddler can reach from his position in the cockpit 17.
  • Figure 3 illustrates a cross section of a tube 31 that can be used to store a rounded rod 11.
  • the opening 31 is adapted to store a rectangular board that can optionally be used as a rod.
  • stabilizing wings 19 on the side surfaces of the kayak 10 that are located adjacent to the sea level when the kayak moves in the sea. These wings can be attached releasable to the hull of the kayak.
  • the opening 30 depicted in figure 3 can in stead of keeping a rectangular shaped board be used to hold the stabilizing wings 19 discussed above.
  • the opening 31 depicted in figure 3 may be in communication with a corresponding opening in an end surface of the stabilizing wings 19. Then a paddler can reach a rounded rod stored inside the opening 31 just by pulling out the rod via the opening arranged in the end surface of the stabilizer wing.
  • releasable wings are transported with a kayak 10 in storage openings 19 located on the deck of the kayak.
  • a stabilizing of a kayak is achieved by optionally attaching a sponson in one end of the rod 11 while fastening the rod 11 in one of optionally several openings arranged on the deck of the kayak.
  • the sponson can be an inflatable float and can for example be stored in adapted storage compartments 18 located on the deck in front of the kayak, or on the deck behind the paddler.
  • storage compartments 18 may be arranged with lids that comprises an accessible storage space adapted to specific items like an inflatable sponson, for example being arranged with a double lid design. This may prevent water from entering the inner parts of the kayak.
  • the paddler can use both his hands to push a rod down into the opening from a position above the deck, and the force the paddler is using is directed in the longitudinal direction of the kayak, which is the stable direction of the kayak.
  • the paddler can easily keep the balance and avoid any accident.
  • openings 12, 13, 14, 15 are arranged transversely on the deck as depicted in the figure.
  • a stabilizing of a kayak can be achieved if two or more kayaks are connected together in a catamaran like configuration.
  • Figure 2 illustrates such an assembly.
  • a first rod 11 is released by a first paddler that fastens the rod 11 in an opening 15 on the deck in front of him in the first kayak.
  • a second paddler can approach the first kayak and align a second kayak in parallel with the first kayak.
  • the second paddler can grab the first fastened rod 11 and pull himself and the second kayak into a position that makes it possible to insert the first rod 11 into a corresponding opening 15 on the deck of the second kayak and then push this end of the rod 11 into the corresponding opening.
  • a size of the opening receiving the rod is made wider at level with the deck than at the bottom of the opening. This makes it easier to hit the opening with the rod, which can be a challenge if the kayaks are subject to larger waves.
  • FIG. 4a illustrates a cross section of an opening (12, 13, 14, 15) that has inclined walls 40.
  • Figure 4a depict an opening adapted to a rectangular shaped board used as a rod, while Figure 4b can accommodate a rounded rod.
  • Figure 4c illustrate an embodiment wherein the opening can either receive a rounded rod or a rectangular rod.
  • a locking bolt 20 can be pushed over a top surface of a rectangular shaped board used as a rod.
  • the locking bolt 20 can be spring loaded (not shown) and releasable as known in the prior art.
  • a locking bolt 21 can be screwed down from the top of the deck thereby locking a rounded rod 11.
  • the inclination of the sidewalls 40 may be in a direction towards the cockpit 17, and in this case a paddler can pull a rod down into the opening.
  • the inclination may also point away from the cockpit 17, and in this case the paddler can push a rod down into the opening.
  • a rounded rod or a rectangular shaped board can be inserted into the opening from above the deck and can either be pushed or pulled down into a longitudinal split in the side of a rotatable inner tube arranged inside the opening.
  • a rounded rod 11 has been inserted and is locked by locking bolts 50 (that can be spring loaded).
  • Figure 6 illustrates insertion of a rectangular shaped board 11. A further locking is achieved by turning the rotatable inner tube such that the split no longer is aligned with the opening in the deck surface of the kayak.
  • a rectangular shaped board is used as an interconnecting rod 11, there can be substantial twisting forces that are conveyed through the interconnecting board. To mitigate such examples of forces the forces are used to turn the rotating inner tube instead of being transferred in it entirety to the respective kayaks.
  • the examples illustrated in figure 5 and 6 is further optionally equipped with a braking arrangement that can slow down or halt completely rotation of the inner tube if necessary. This option can be used to make a catamaran assembly more stiff, which can improve handling of the catamaran assembly as known to a person skilled in the art.
  • the braking arrangement is not shown in the figures but can be embodied with arranging a handle on the deck that via a rod can push a break pad onto an outer surface of the inner rotatable tube.
  • the handle can be locked and released in any position it is arranged in.
  • An interesting feature of the openings 12, 13, 14, 15 on a deck of a kayak according to the present invention is that they can also be used for other purposes. It is common to transport a kayak from home to the sea front when a kayak is to be used. It is common to use a rig attached and secured to the roof of a car for example. This rig can be identical to rigs used to carry skis for example. Traditionally it has then been necessary to attach a receiving frame shaped with respect to the curvature of the hull of the kayak to be able to support the kayak on top of the roof of the car resting on the rig.
  • two respective openings 12, 13, 14, 15 on the deck of the kayak may be arranged with an inclination of the walls of the opening that point in a same direction.
  • the kayak When transporting the kayak on the roof of a car, the kayak is just turned around such that the deck is pointing downwards. Then the kayak is moved forward or backwards until a supporting pair of rods adapted to the openings 12, 13, 14, 15 is caught by the openings that will guide the kayak down towards the bottom of the openings.
  • the kayak can then be secured to the rig by using some of the examples of locking mechanisms described above.
  • FIG. 7 it is illustrated an example of embodiment of releasable wheels.
  • Two U shaped rods (70) are joined together at respective end points of the arms of the U shaped rods, and the joined endpoints are fitted with a respective wheel (71) on each side of the joined rods,
  • the two joined U shaped rods are arranged to be fastened in two respective corresponding openings (12, 13, 14, 15) on the deck of the kayak.
  • the distance between the two openings on the deck is adapted to provide an angle between the respective joined arms of the respective arms of the rods.
  • a thwart When a catamaran configuration is assembled, a thwart may optionally be releasable fastened between at least two rods being spaced apart between two adjacent located kayaks in an assembled catamaran configuration.
  • the sailing mast S can further be attached to the thwart.
  • the thwart may be carried by in a storage compartment 18 on the deck of the kayak.
  • the thwart is further adapted to house a tackle with a lanyard that in one end is attached to a sail supported by the sailing mast S and in another end is controlled by a paddler located in a cockpit of the assembled catamaran configuration.
  • Figure 8 illustrates an example of utilizing a rod 11 fastened in a modified opening 12, 13, 14, 15 design.
  • the openings receiving the rod 11 in the illustrated canoe are arranged on the boat rails of the canoe. Therefore, it is within the scope of the present invention to use of interconnecting elements of a kayak in vessels like a canoe or other similar types of vessels, wherein the at least one opening 12, 13, 14, 15 is arranged either on decks of respective vessels, or on boat rails on each respective side of respective vessels.

Abstract

La présente invention concerne une configuration améliorée de catamaran/kayak et, en particulier, une configuration de kayak comprenant des éléments d'accouplement intégrés libérables permettant l'assemblage d'une configuration de stabilisation, lorsque des kayaks sont déployés en mer sur l'eau.
PCT/NO2015/050031 2014-02-13 2015-02-13 Modèle de kayak amélioré WO2015122781A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20140182 2014-02-13
NO20140182A NO337064B1 (no) 2014-02-13 2014-02-13 Kajakk - Katamaran

Publications (1)

Publication Number Publication Date
WO2015122781A1 true WO2015122781A1 (fr) 2015-08-20

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ID=53800423

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO2015/050031 WO2015122781A1 (fr) 2014-02-13 2015-02-13 Modèle de kayak amélioré

Country Status (2)

Country Link
NO (1) NO337064B1 (fr)
WO (1) WO2015122781A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GR20160100053A (el) * 2016-02-16 2017-10-23 Στυμφαλος Λουκα Παπαϊωαννου Συστημα διασυνδεσης για καγιακ

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1375865A (fr) * 1972-06-07 1974-11-27
US4836298A (en) * 1987-01-30 1989-06-06 Laboureau Jacques Philippe Boat of the catamaran type, propelled mechanically
US5038694A (en) * 1989-02-24 1991-08-13 Yamaha Hatsudoki Kabushiki Kaisha Small sailing ship
US5189974A (en) * 1991-07-02 1993-03-02 Masters William E Kayak catamaran
WO2003080424A2 (fr) * 2002-03-26 2003-10-02 Alot Fritid Vaisseau marin de sport et de loisirs et coque de bateau destinee a un vaisseau marin

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1375865A (fr) * 1972-06-07 1974-11-27
US4836298A (en) * 1987-01-30 1989-06-06 Laboureau Jacques Philippe Boat of the catamaran type, propelled mechanically
US5038694A (en) * 1989-02-24 1991-08-13 Yamaha Hatsudoki Kabushiki Kaisha Small sailing ship
US5189974A (en) * 1991-07-02 1993-03-02 Masters William E Kayak catamaran
WO2003080424A2 (fr) * 2002-03-26 2003-10-02 Alot Fritid Vaisseau marin de sport et de loisirs et coque de bateau destinee a un vaisseau marin

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GR20160100053A (el) * 2016-02-16 2017-10-23 Στυμφαλος Λουκα Παπαϊωαννου Συστημα διασυνδεσης για καγιακ

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NO20140182A1 (no) 2015-08-14
NO337064B1 (no) 2016-01-11

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