Abstract: A kayak has a front hull portion and a back hull portion. The front hull portion has a front engagement portion. The back hull portion has a back engagement portion that mates in an assembled state with the front engagement portion to form a passenger cockpit. At least one latch is engageable between the front and the back hull portions in the assembled state. A substantial portion of the rotated front hull portion fits within the back hull portion in a stowed state.

Abstract: System for launch and recovery of a surface vehicle, comprising a floating cradle structure configured to receive the surface vehicle, the cradle structure being bottomless such that contact between a submersed portion of the surface vehicle and the cradle structure is avoided upon receiving the surface vehicle.

Abstract: A reconfigurable watercraft comprising a bow section, at least one intermediate section, a stern section, and first and second connecting systems. The first and second connecting systems are configured to allow the watercraft be configured in first and second configurations. In the first configuration, a position of the bow section to the at least one intermediate section is fixed and a position of the stern section relative to the at least one intermediate section. In the second configuration, the bow section is allowed to be displaced relative the at least one intermediate section and the stern section is allowed to be displaced relative to the at least one intermediate section.

Abstract: A reconfigurable compartment for a military vehicle. The reconfigurable compartment includes a floor, a front, a rear, a roof, and sides. The floor, the front, the rear, the roof, and the sides are removably coupled with each other to define the reconfigurable compartment. At least one of the floor, the front, the rear, the roof, or the sides are function-specific and replaceable with a different function-specific at least one of the floor, the front, the rear, the roof, or the sides and thereby facilitate transitioning an overall function of the military vehicle to accommodate a variety of different vehicle applications.

Abstract: A passage assist provides a temporary support to stabilize passage of a person over a surface, such as in a boat. The passage assist can be a fold down railing that in a deployed position presents a handle or railing in a location to be easily grasped by a person walking on the adjacent surface, such as the deck of a boat. In a collapsed or stowed position, the fold down railing can be positioned completely out of the way so that it provides no impediment or barrier to movement on the surface. In the case of a boat, the fold down railing does not permanently occupy precious space within the boat.

Abstract: A floating vessel comprising: (a) opposing hulls; (b) a beam extending between and interconnecting the opposing hulls; and (c) a deck supported by the beam and positioned between the opposing hulls, wherein the floating vessel is modular and configured for easy assembly, disassembly, or both.

Abstract: A dinghy constructed of two separable sections, being a front and a rear section, and a connection means adapted to join the two sections together. The front section has a rear bulkhead, the rear section has a front bulkhead the connection means integral with the bulkheads. One of the bulkheads includes cylindrical sleeves, the other bulkhead cylindrical rods adapted to engage the sleeves to thereby connect the dinghy together.

Abstract: There is provided an assembleable boat made of fiber-reinforced plastic (FRP) including a bottom wall assembly; a left side wall assembly; a right side wall assembly; and a front wall assembly. the bottom wall assembly, the back wall assembly, the left side wall assembly, the right wall assembly, and the front wall assembly are mechanically connected to form the assembleable boat; and each of the bottom wall assembly, the left side wall assembly, the right wall assembly, and the front wall assembly is made of FRP.

Abstract: A collapsible water vessel has a center hull section, a first plurality of hull extensions longitudinally slidable through an opening at a first end of the center hull section between extended and collapsed positions, and a second plurality of hull extensions longitudinally slidable through an opening at a second end of the center hull section between extended and collapsed positions. When the first plurality of hull extensions are in the extended configuration, adjacent hull extensions thereof form a sealing contact therebetween and an inboard most hull extension thereof forms a sealing contact with the center hull section. And when the second plurality of hull extensions are in the extended configuration, adjacent hull extensions thereof form a sealing contact therebetween and an inboard most hull extension thereof forms a sealing contact with the center hull section.

Abstract: A tipping bow has at least one articulated connection to a vessel behind and is connected to an anchoring. The tipping bow has a structural member attached to one or more attachment points at the bottom edge of the tipping bow. The anchoring is attached to an anchor attachment positioned behind and lower than the balance point of the tipping bow.

Abstract: The present invention provides a kind of sports equipment, particularly sports equipment for water sport or snow sport, comprising a main body made of light rigid material and having at least one built-in framework that is harder than the main body. The sports equipment further comprises a deck fixed on the top surface of the main body and configured to be harder than the main body. Compared with prior sport equipment, the equipment of the invention has the advantages such as light weight, durability, collision resistance and easy handling.

Abstract: Disclosed herein is a marine vessel, which in one example comprises a substantially continuous deck. Also disclosed is an example with a plurality of parallel longitudinally aligned channels extending from the forward deck to the aft deck. The vessel having a vessel cabin resting on and longitudinally movable upon the deck. The vessel cabin in one example having a plurality of rolling wheels attached thereto; wherein the rolling wheels roll upon the deck and allow longitudinal movement of the vessel cabin between the aft region and the forward region. A drive unit (motor) may be provided. The drive unit optionally mounted to the cabin and in one example having a drive wheel mounted to the drive unit and configured to rotate the drive wheel. The drive wheel(s) contacting the deck such that rotation of the drive wheel repositions the cabin between the aft region and the forward region.

Abstract: A portable vessel includes a hard shell front hull section, a hard shell aft hull section, a flexible water tight material hull section affixed to the front hull section and the aft hull section in a water tight manner, the material section forming the middle portion of the hull of the vessel, and a tension-adjustable frame assembly. Tensioning of the frame assembly during assembly of the vessel causes tensioning of the material hull section from a less than taught state to a taught state about the frame assembly and wherein the disassembled components of the vessel may be configured into a backpack configuration for portage by a user.

Abstract: An assembly (3) comprising at least a first module (1) and a second module (2) with respective longitudinal axes (5) is described. Each one of the modules (1, 2) comprises a connection side (6, 7, 8, 9) which is facing the other module (1, 2) and is arranged between the upper side (6, 7, 8, 9) and the underside (20, 42), and at least two elongated bendable members (12) which connects the first module (1) with the second module (2). The first module (1) comprises at least a first connection side (6) which comprises a first recess (13) which is a part of a rotationally symmetrical form with a symmetry axis (43) which is parallel with the connection side (6). The assembly (3) comprises at least a first connection member (17), which comprises an inelastic member (22) and a longitudinal axis (35) which is parallel with the symmetry axis (43), and which is in engagement with and rotatable around the symmetry axis (43) in relation to the first recess (13).

Abstract: Provided is a nautical sector, in particular a catamaran boat including a first catamaran craft functioning independently, having a prevailing direction of longitudinal development along the median axis (x) and including a bow, a stern, motor means and directional means; a second catamaran craft functioning independently, having a prevailing direction of longitudinal development along the median axis (x) and including a bow, a stern, motor means and directional means, where said first catamaran craft and said second catamaran craft each include joining means for their mutual stable coupling, obtained matching the relative sterns, on a transverse junction plane (?), to carry out said catamaran boat able to function as a single unit.

Abstract: Watercraft with dual, in-line flotation are detailed. Front and rear floats may be bridged by a seating assembly and allow both feet-up and feet-down positioning of a user of the craft. The watercraft may be disassembled and then reassembled compactly for transport or storage, with the compactly reassembled craft including wheels or capable of being placed onto a hand trolley if desired to facilitate its carriage. Also detailed are watercraft in which forward flotation is provided by two front floats forming a pontoon configuration.

Abstract: The present invention relates to a canoe comprising at least two hull sections and a joint for releasable connection of the first hull section to the second hull section, wherein the joint comprises a first mating means comprising at least one protruding member and at least one corresponding groove, provided in respective one of said hull sections, wherein the joint further comprises a second mating means comprising at least one projecting member and at least one corresponding groove, provided in respective one of said hull sections, wherein said first mating means is positioned at a lower portion of the respective hull sections compared to said second mating means.

Abstract: A modular watercraft is disclosed which includes plural connectable modules and which can be broken down for ease of handling, transport and storage. The watercraft includes novel means for connecting separate modules. The connectable modules may be storable within a single one of the modules.

Abstract: A watercraft kit includes a watercraft and a buoyant removable rear extension optionally connected to a rear of the watercraft. The watercraft includes a hull having a transom and a deck disposed above the hull. The deck is supported by the hull. A propulsion system is operatively connected to an engine for expelling a stream of water rearward of the transom to propel the watercraft. When the removable extension is connected to the rear of the watercraft, the removable rear extension is disposed at least in part rearwardly of the transom. The removable rear extension defines a longitudinal channel. When the removable extension is connected to the rear of the watercraft, the channel receives at least one of at least a portion of the propulsion system, and at least a portion of the stream of water flowing therethrough when the propulsion system is operating to propel the watercraft forwardly.

Abstract: The invention herein pertains to a modular water craft device and system wherein a plurality of individual navigable watercraft devices interconnects at their hull and deck. Each individual watercraft unit comprises the following elements: a deck, a hull with three or more sides, a steering wheel, and rudder. Each individual watercraft device detachably interconnects with another at their deck and hull at a common side. The interconnection creates a greater unitary deck and stable hull connection. Each modularized watercraft is defined as two or more individual water craft devices detachably interconnected between their sides to form a greater stable modular platform and unitary hull and deck system. The modularized watercraft device may convert between navigational and non-navigational roles.

Abstract: A watercraft comprising a bow section, a center section, and a stern section, and a securing system comprising at least one strap assembly and at least one buckle assembly. The at least one buckle assembly is configured to engage the at least one strap assembly selectively to arrange the watercraft in a folded configuration and a use configuration. In the folded configuration, a bow deck surface and a stern deck surface overlap the center deck surface. In the use configuration, the bow deck surface, the center deck surface, and the stern deck surface are arranged to define a cockpit of the watercraft, and a bow hull surface, a center hull surface, and a stern hull surface are arranged to define a hull of the watercraft.

Abstract: In one embodiment of the invention, a boat is provided which includes a deck; a plurality of pontoons extending in a direction parallel to a longitudinal axis of the deck, the deck being attached to the pontoons; and a hull portion attached to and extending from one of the pontoons. The hull portion extends outwardly to a distance wider than the pontoon to which it is attached, and the hull portion extends farther rearwardly than any of the pontoons.

Abstract: A collapsible watercraft assembly can include a first pontoon half, a second pontoon half, and a frame member. Each pontoon half can have a top surface, a bottom surface, and at least one post. The first pontoon half and the second pontoon half can be positionable with respect to one another in an operating configuration and a stowed configuration. The operating configuration can be defined when the sterns of the pontoon halves confront one another and the stowed configuration can be defined when the top surfaces of the pontoon halves confront one another. The frame member can be concurrently engageable with the posts to fix the pontoon halves together in the operating configuration. The posts can be interconnected with one another when the first pontoon half and the second pontoon half are in the stowed configuration.

Abstract: A portable sectionalized boat includes a floating body portion, a base plate portion and a boat shell. The floating body portion is disposed with one or more rows of boat base units, each row including at least one but generally a plurality of boat base units. Several connection holes are disposed on a peripheral edge of the boat base unit. The base plate portion includes a waterproof member and a base plate. The boat shell includes a first outboard plate, a second outboard plate and a lateral plate. The base plate portion and the boat shell are superposed and fixed on the floating body portion.

Abstract: A hull structure, especially for recreational vessels, includes at least one insulated bottom element section or moveable bottom element displaceable laterally by means of projecting actuators from a position adhering to the hull and preferably recessed into a respective shape, to at least one position projecting outside of the hull, with respect to which members for widening the deck project therewith in synchronism with the at least one displaced hull section or displaced moveable bottom element and vice versa.

Abstract: A full-length watercraft has two or more separable body sections which can be taken apart and packed into a single packed structure having a smaller length. The present invention provides two ways in packing two adjacent body sections. One way is to take apart the two adjacent body sections and turn one of the sections around so that the smaller section can be put inside the larger section. The other way is to release the securing mechanism between the adjacent body sections so that the smaller section can be slid into the larger section. With a packed structure of a smaller length, the watercraft can be put in an automobile or on a cart to be transported.

Abstract: An extendable buoyant board with pairs of telescoping sections which are secured in an extended relation to one another by internal pressure from an inflatable pneumatic bladder enclosed within the sections. By retaining each of the inboard ends of successively smaller pairs of extension sections within the adjacent next larger section, the multisection board, when extended, provides substantial rigidity and strength. The telescoping arrangement is preferably provided by a central tubular section with an opening at each end, and an internal cross-sectional area which diminishes from the center to each opening. A first pair of opposed telescoping tubular extension sections is slidably and non-removably engaged within the outboard end of the interior of the central section.

Abstract: A boat comprises a bow (21) which can move between a first, sailing configuration and a second configuration in which it is at least partly inserted in a housing (20) which is at least partly formed by the remaining parts of the boat (1).

Abstract: A boat comprising a two-piece construction which consequently conserves space during storage and transportation is herein disclosed. The apparatus splits in half to allow the forward half hull to be stored within the aft half hull portion. When joined, the apparatus appears and performs as a conventional small one-piece flat boat. Each half hull portion resembles a conventional shape; however comprises an additional centrally-located bulkhead portion, thereby forming a pair of completely watertight half hulls. Said half hulls are then attached securely via mating features and locking pins to form a rigid boat structure.

Abstract: A collapsible kayak comprises a bow unit, a central unit, and a stern unit. The bow unit and the stern unit are both connected to the central unit with hinges, allowing the collapsible kayak to assume either an “in use” orientation or a “storage” orientation. While the collapsible kayak is in the “in use” orientation, the bow unit, the central unit, and the stern unit are held into a linear shape with removable clamps. While the collapsible kayak is in the “storage” orientation, the bow unit and the stern unit are folded back and locked into place with a securing device.

Abstract: A folding boat includes a pair of stringer tube assemblies arranged for extending longitudinally when assembled and the stringer tubes of each pair of the assemblies connected by hinges to respective adjacent stringer tubes at the hinges. The stringer tubes assemblies are received within a waterproof skin. Frame members or butterfly frame members serve to connect to the assemblies of the stringer tubes within the skin to provide a frame for the waterproof skin. Fabric inflatable tubes are located within the skin, each having a seam for having the assembled stringer tubes assemblies nestled within when assembled in the frame.

Abstract: A sectional boat has a plurality of independently floating sections, each section having an outwardly projecting bulge on the port and starboard sides. A peripheral channel extends on an external surface of each bulge to accommodate a connecting member, which exerts tension to align the floating sections and form a single buoyant hull.

Abstract: A sectional sportboard including a first and second separate sections having opposing mating surfaces transverse to a longitudinal axis of the sectional sportboard. The first section and the second section each having at least two hollow receptacles, the hollow receptacles in each section having an opening forming a continuous circumference aperture in the mating surface, and corresponding receptacles axially aligned and located parallel to the longitudinal axis, one or more pairs of first through holes extending at an angle from a first section outer surface to a position on the first section mating surface, and one or more pairs of first blind holes located in the second section mating surface at a position and an angle axially corresponding to the one or more pairs of first through holes, each of the through holes and blind holes having an aperture with a continuous circumference in the respective mating surface.

Abstract: A canoe is provided, which is easier to store and transport than the canoes of the prior art, still being versatile, strong and durable in regard of its primary use as a paddling boat. The invention provides a collapsible canoe, such as a kayak, comprising at least two molded hull sections and also a method of manufacturing a canoe. The canoe comprises a joint for releasable connection of a first hull section to a second hull section, wherein each hull section of the joint comprises means for mating the other hull section. Thereby the invention provides a canoe having sections that can be connected for use as a boat and separated for transport and storing. Preferably, the mating means are molded into each respective hull section.

Abstract: A boat comprises a bow (21) which can move between a first, sailing configuration and a second configuration in which it is at least partly inserted in a housing (20) which is at least partly formed by the remaining parts of the boat (1).

Abstract: A sectionalized sports board including a plurality of board sections and a post-tensioning apparatus incorporated into a board stringer and operatively disposed between the sections along the longitudinal axis of each section. The post-tensioning apparatus includes a post-tensioning cable slidably inserted into a cable chase disposed in each of the board sections, and a cable tension adjustment for selectively coupling the sections into a configuration for use of the board or for separating the board sections so that they can be folded into a compact collapsed configuration. The post-tensioning cable is permanently anchored at its ends, and when the post-tensioning cable is in a stressed condition, the board sections are abutted to provide a useable and rigid board configuration, and when the post-tensioning cable is unstressed, the board sections may be folded into a compact collapsed configuration.

Abstract: A fastening apparatus of a combined boat for securely joining boat hulls of the combined boat is disclosed. Grooves (3) are provided at the peripheries of joints of the boat hulls. The fastening apparatus includes a holding band (2) with ridges (4) mating with the grooves (3), and the holding band engages via the ridges (4) with the grooves (3) so as to join the boat hulls of the combined boat together securely. The fastening apparatus of the combined boat is simple in structure, easy to manufacture, and convenient to mount and dismount.

Abstract: The portable, single-person pontoon boat includes a hull having a deck and at least one sidewall. The hull defines an open interior region. At least one laterally extending, elongated frame member having opposed first and second hollow ends is fixed to the bottom of the hull. First and second pontoon floats are further provided, along with at least one pair of spars. A distal end of each of the spars is releasably secured to a respective one of the first and second pontoon floats. A proximal end of each of the spars is slidably received within a respective one of the first and second ends of the at least one laterally extending, elongated frame member and releasably fastened thereto.

Abstract: A portable boat and related method of manufacture. In one embodiment the boat includes first and second hulls and a deck member, each configured to be securely interlocked to another to assemble the boat. The deck member includes: at least one tenon extending outward from the starboard side for connection with the first hull and at least one tenon extending outward from the port side for connection with the second hull. Each of the hulls includes at least one slotted opening for receiving one of the tenons to connect the hull to the deck member, so that when at least one tenon is inserted into one of the hulls, the hull is securely fastened to the deck member with the aid of a fastener extending from the hull into the deck tenon.

Abstract: A sectional boat includes fore and aft boat sections releasably couplable together by a releasable coupler cooperating between the fore and aft boat section transoms. When the boat sections are assembled to form the boat, the fore and aft boat section transoms abut in opposed facing relation to one another. The releasable coupler may include at least one dovetail coupler having at least one female dovetail groove in each of the transoms and disposed so as to be aligned and opposed facing when the transoms are in their opposed facing relation. Each dovetail coupler may include at least one pair of male dovetail tenons mounted thereon in oppositely disposed relation so to engage in their corresponding opposed facing female dovetail grooves. Each tenon is sized to snugly slidably mate into a corresponding female dovetail groove in each of the transoms. Each tenon includes an upstanding lug having an aperture.

Abstract: The invention is a portable collapsible boat comprising one or more rigid cockpit sections, constructed of a material such as fiberglass, attached to a bow section and a stem section, which are constructed of fabric material covering a skeleton of longitudinal stringers and ring frames, and are attached to the rigid cockpit section(s) by means of a belt, buckles, and/or flanges. The hybrid folding boat combines the best features of rigid boats, such as performance and durability, with the best features of existing folding boats, such as transportability, without suffering from the drawbacks of rigid boats (mainly the extensive storage space required) or folding boats (mainly weight). The hybrid folding boat is lighter, easier to transport, more rugged, safer, easier to assemble, and stiffer than previous folding boats, adapts easily to a sailing rig, and facilitates one or more passengers.

Abstract: A foot-steered, split-construction watercraft adjustable to accommodate users of different heights and compactable into a transport configuration and having a reversible bow with different leading hull geometries for accommodating different water conditions.

Abstract: The invention relates to a device in the form of a transformable craft (1). It consists of two or three sections held together, a middle part (10) and one or two end parts (stem and stem) (8, 9). When a so-called “Container & Boat”™ forms a boat, the end parts (8, 9) constitute an extension of the middle part (10). The end parts (8, 9) can be turned up 180° and be fitted into spaces intended therefor on the middle part (10). The result becomes a container (C). Container fittings (4) are placed in the corners underneath the middle part (10), while the end parts (8, 9) are provided with two container fittings (5) each. When a C & B is a boat and the end parts (8, 9) are lowered, the container fittings thereof are in the bottom. When a C & B is a container and the end parts (8, 9) are raised, the container fittings (5) thereof are on the topside.

Abstract: A sectional boat includes fore and aft boat sections releasably couplable together by a releasable coupler cooperating between the fore and aft boat sections, wherein the releasable coupler comprises at least one dovetail coupler. The dovetail coupler includes at least one female dovetail groove mounted on a first section of the fore and aft boat sections, and a corresponding at least one male dovetail tenon mounted on a second boat section of the fore and aft boat sections. Each tenon is sized to snugly slidably mate into a corresponding female dovetail groove in the first boat section. Each tenon includes a substantially vertically upstanding lug mounted to and extending upwardly from an upper most end of each tenon so as to extend above an upper edge of the first boat section when each tenon is snugly mated in the corresponding female dovetail groove. Each lug includes an aperture.

Abstract: A sectionalized surfboard, which can be dismantled into sections and rejoined for use. The sections are joined using one or more metal hooks and metal plates with slots in each section on the bottom of the board. On the top of the board there are one or more pairs of top metal plates in each section joined by a vertically installed bolt(s). Inserting the hook(s) into the slot(s) in the bottom metal plate(s) connects the bottom of the board. The top of the board is connected by a bolt passing vertically through a hole in one section's top metal plate and screwed into a threaded hole in the other section's top metal plate. The metal plates extend into the board and are securely bonded to the skin and foam of the boards. The metal plates can also be bonded to any board stringers. In a second version the top is joined using two bolts. Both sections have threaded holes in their top metal plates. A separate third metal plate with two holes is used with the two bolts to join the top of the board.

Abstract: An improved kayak provides a rigid open cockpit hull with air chambers attached to the hull. The air chambers provide a generally convex shape for increased maneuverability and also provide cushioning against impact to reduce the risk of injury to the kayak pilot. The air chambers allow for an open cockpit kayak with an exterior surface having a similar shape as a conventional closed cockpit kayak, providing a similar level of maneuverability and allowing for completion of maneuvers such as rolling the kayak from an inverted position in the water.

Abstract: The present invention introduces a small boat (kayak or hybrid kayak-canoe) made in a plurality of nesting sections. It is covered with a waterproof fabric cover, incorporating a stabilizing and flexible keel sewn into it. The boat also has a releasably attachable and flexible coaming.

Abstract: A sectional boat includes fore and aft boat sections releasably couplable together by a releasable coupler cooperating between the fore and aft boat sections, wherein the releasable coupler comprises at least one dovetail coupler. The dovetail coupler includes at least one female dovetail groove mounted on a first section of the fore and aft boat sections, and a corresponding at least one male dovetail tenon mounted on a second boat section of the fore and aft boat sections. Each tenon is sized to snugly slidably mate into a corresponding female dovetail groove in the first boat section. Each tenon includes a substantially vertically upstanding lug mounted to and extending upwardly from an upper most end of each tenon so as to extend above an upper edge of the first boat section when each tenon is snugly mated in the corresponding female dovetail groove. Each lug includes an aperture.

Abstract: The invention is a portable collapsible boat comprising one or more rigid cockpit sections, constructed of a material such as fiberglass, attached to a bow section and a stem section, which are constructed of fabric material covering a skeleton of longitudinal stringers and ring frames, and are attached to the rigid cockpit section(s) by means of a belt, buckles, and/or flanges. The hybrid folding boat combines the best features of rigid boats, such as performance and durability, with the best features of existing folding boats, such as transportability, without suffering from the drawbacks of rigid boats (mainly the extensive storage space required) or folding boats (mainly weight). The hybrid folding boat is lighter, easier to transport, more rugged, safer, easier to assemble, and stiffer than previous folding boats, adapts easily to a sailing rig, and facilitates one or more passengers.

Abstract: A portable container for transporting and storing a plurality of perishable items including food and beverage items, having a heat-resistant outer tubular member with double-layered insulation in an adjacent inner tubular member to accommodate a plurality of perishable items and to sustain the prescribed temperature of such food and beverage items and to promote longevity thereof. The portable container optionally includes a plurality of external compartments and has removable endcaps enclosing both ends thereof. Each endcap is conveniently removed from a tubular end and then used as a cup for drinking a plurality of beverage items or used as a dish for eating a plurality of food items.