EP2165928B1 - In einen wagen zu seinem transport umwandelbares kleines faltbares einsitzertretboot - Google Patents

In einen wagen zu seinem transport umwandelbares kleines faltbares einsitzertretboot Download PDF

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Publication number
EP2165928B1
EP2165928B1 EP08775423.0A EP08775423A EP2165928B1 EP 2165928 B1 EP2165928 B1 EP 2165928B1 EP 08775423 A EP08775423 A EP 08775423A EP 2165928 B1 EP2165928 B1 EP 2165928B1
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EP
European Patent Office
Prior art keywords
boat
holes
shaped tube
bar
slots
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EP08775423.0A
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English (en)
French (fr)
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EP2165928A2 (de
EP2165928A4 (de
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José Nieto León
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Individual
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Publication of EP2165928A4 publication Critical patent/EP2165928A4/de
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    • 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
    • B63H16/12—Other apparatus for converting muscle power into propulsive effort using hand levers, cranks, pedals, or the like, e.g. water cycles, boats propelled by boat-mounted pedal cycles
    • 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
    • B63B34/50—Body-supporting buoyant devices, e.g. bathing boats or water cycles
    • 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
    • B63H16/12—Other apparatus for converting muscle power into propulsive effort using hand levers, cranks, pedals, or the like, e.g. water cycles, boats propelled by boat-mounted pedal cycles
    • B63H16/14—Other apparatus for converting muscle power into propulsive effort using hand levers, cranks, pedals, or the like, e.g. water cycles, boats propelled by boat-mounted pedal cycles for propelled drive
    • 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
    • B63H16/20—Other apparatus for converting muscle power into propulsive effort using rotary cranking arm
    • B63H2016/202—Other apparatus for converting muscle power into propulsive effort using rotary cranking arm specially adapted or arranged for being actuated by the feet of the user, e.g. using bicycle-like pedals

Definitions

  • the invention is a small foldable single-seated human-powered boat, according to the preamble of claim 1, propelled by pedals and at least a single front paddlewheel, designed mainly for leisure purposes in calm waters, as a boat known from CA 2 522 858 . It is made mostly of plastic materials for avoiding or minimizing maintenance and corrosion. Its main feature is that is foldable around an axis transverse to the boat, becoming a kind of trolley or wheeled cart with a handle for dragging it by land, shortening its length to next to the half when folded. By this way it is easily transportable by the user on land, or even on irregular terrain or stairs when folded. The storage and stacking is too easy, so it can be placed into a cabinet, trunk or any kind of small space.
  • the foldable pedal boat is preferably a catamaran, with their two folding halves in form of floating bodies having each two lateral main floats with a central platform or bridge connecting both of them in form of a whole main folding piece or body that folds over the other one.
  • This platform or bridge gives too a seat for the passenger.
  • the main advantage of the foldable pedal boat is the ability to be folded and unfolded in only few seconds, being firmly fixed in both open and closed positions and ready for navigation or for storage or transport by land. It uses one or two symmetrical U-shaped tube bars whose arms can slide longitudinally into holes molded, shaped or practiced in both the two main halves of the boat, and they are fixed with pins for fixing them in both folded and unfolded positions. In the unfolded position, both U-shaped bars are movable between two stoppers for adjusting the backrest and the pedals to the passenger in several positions, but with no possibilities that they can be accidentally loosen or released and the boat folded in navigation. These symmetrical U-shaped tube bars serve too as a handle and as a locking device for maintaining folded the boat into a trolley form, and for chaining, stacking or hanging it if necessary.
  • the small size and capabilities for saving time and for easy transport have the price to limit their uses into relatively calm waters such as lakes, pools, or calm beaches or rivers. It can be interesting for individuals who want to save leisure time or to have a very small boat portable by land, as for recreattonal and hotel companies or water parks that want to have a number of these easily storable boats for their guests or customers in especially equipped recreational areas.
  • the documents US3175234A1 , SU1754568A1 , US5353733A1 and US3594834A1 describe foldable single-hull boats or foldable dugout canoes split in two foldable halves, with the peculiarity that they are foldable along a middle axis transverse to it, to which can be attached optionally wheels or a frame with wheels for transforming them into a kind of trailer for being transported towed by a motor vehicle.
  • the document ES2128887A1 describes a motorized catamaran for sailing that is foldable along an axis transverse to the boat with a frame convertible in a trailer for transportation by a vehicle.
  • the document DE3302276A1 describes a motorized single-hull vessel that can be folded by a central transverse axis, and whose prow section has retractable wheels for converting it into a trailer and being towed by a vehicle.
  • the document US3061845A1 describes a collapsible amphibian catamaran, in which the floats are split in two halve and can be folded one over the other. Its main particularity is that the floats are mounted on a trame with pivoting wheels that, being lowered by levers, convert the catamaran on a trailer towable by a car. All of these are single-hull foldable boats, when this invention is a catamaran-type foldable boat.
  • the document US5870966 "Folding Pontoon Boat” describes a collapsible foldable boat with two floats, each one divided into two halves.
  • the floats have two side wheels each one, leaving them up and above the water level when the boat is open, and down when it is closed, transforming it into a kind of four-wheeled cart.
  • the two side floats are folded rotating symmetrically 90° around two symmetrical longitudinal axes in relation of the vertical longitudinal symmetry plane of the boat, fitting under a horizontal frame that is a primary platform which has a seat for the passenger.
  • the floats are divided too transversely in two parts, allowing a second folding of the structure along an axis perpendicular to the first ones, housing the seat among some holes especially practiced in both prow and stern of the floats, so that the whole boat is compacted into a wheeled box whose dimensions are half the length and half the width of the boat when is open.
  • the main previous inventions that are most similar to the one presented here are:
  • the document US2745118 "Catamaran” describes a collapsible catamaran. It has two floats attached to a horizontal platform, that is foldable according to a transverse axis, made of wood or any solid material, which can fold like a book, below of which the floats are attached thereto.
  • the floats are split into three sliced sections (forward, middle and rear), so that when the middle section of such floats is attached simultaneously to both folding sides of the main folding platform, the folding is not possible due to rigidity.
  • it is not a foldable catamaran boat, but a catamaran whose main platform is foldable and to which two detachable floats must be attached later.
  • the boat itself is then detachable but not foldable as the presented invention.
  • a removable support with a leaf spring suspension system and wheels which can change its position on the foldable boat, allows the conversion to a trailer for being towed by a motor vehicle.
  • a longitudinal platform or box anchored simultaneously to each of the two folding parts maintains rigid the structure in the unfolded position.
  • the main diference with the invention of this document is the securing elements of the unfolded boat.
  • the presented invention obtains rigidity by two sliding U-shaped tube bars, front and rear, that can be introduced longitudinally and simultaneously into parallel holes practiced inside the other folding half platform of the boat.
  • the wheels in the previous invention are detachable and not coincident with the folding axis, while the presented invention has a common axis for folding movement, the steering levers and the transport wheels. Then, the invention presented in this document has no detachable elements because the compaction movements are by folding and sliding, with no necessity of removing pieces from the structure as this previous invention.
  • the split floats can pivot separately 180° inwards around longitudinal hinges placed at the central frame so that the boat is finally packed in a box whose dimensions are about half of the length and half the width of the craft unfolded.
  • This invention has two foding steps instead of a single one, and resembles in this aspect the document US5870966 .
  • the invention presented in this document too differs mainly from this one by the sliding elements that give rigidity to the structure when unfolded, as it is previously cited.
  • the folding of the two frame parts gives the folding of the entire structure and the floats being attached to them.
  • the strenghtening of the structure is obtained by an inner rod or the ends of the U-shaped tube that can be inserted into the junction of the two halves, secured with a screw, preventing bending in navigation.
  • Acrankshaft with two pedals and two symmetrical paddlewheels which are placed on the outer sides of both floats, propel the boat.
  • the crankshaft with pedals and paddlewheels can be placed on three symmetric pairs of notches in both floats, which let you select the most suitable position of the pedals for the user.
  • the simple steering control is a paddlewheel placed at one side in one of the floats, which is operated by a crank, enabling the rotation of the craft depending on the direction of rotation given to the paddlewheel.
  • These two U-shaped tube bars are responsible of rigidization and constitution of the structure, but in both folded and unfolded positions, as well as they are responsible of maintaining joined together both floats and of preventing its accidental folding at the same time.
  • This invention defined in claim 1, where the two folding platforms or halves are entirely manufactured in molded plastic, and the folding axis is placed into a big central transversal hinge.
  • the splitt floats can be manufactured in the same piece that these folding platforms or in separated pieces that must be attached later to them.
  • Another important difference is that the two U-shaped tube bars can be independent and not be mutually joined through a junction therebetween with screws as the previous invention cited.
  • each one ot these U-shaped tube metal bars can be independently movable along two planes placed at different heights, not necessarily in the same horizontal plane as the commented invention.
  • the pedals and the backrest are adjustable by longitudinal sliding of these two bars.
  • the U-shaped metal tube bars give rigidity to both folded and unfolded positions, and in folded position they give a handle for easy dragging and tranporting of the boat by land.
  • This invention can be converted into a trolley resembling a wheeled suitcase as a main feature by these U-shaped metal tube bars, and has a commmon rotation axis for the folding parts, for the transport wheels and for the rotation planes of the steering levers, simplyfing all the structure. All compacting and decompacting steps, and all adjusting steps to suit the passenger are all due to rotating and sliding movements of the pieces, so there are no detachable pieces (except the securing pins), so the folding and unfolding movements are quick and easy and the most of the elements are always joined during the use.
  • the described invention has several possible embodiments of the symmetrical U-shaped tube bars that can be manufactured, all of them with the same inventive concept.
  • Several drawings of one of the possible embodiments of the foldable pedal boat are shown from Figure 1 to Figure 18 , while Figures 19 , 20 , 21 and 22 show simplified sections for other possible embodiments.
  • the foldable boat has a single inventive concept in relation to its fixing system in folded and unfolded positions, but several compatible possible embodiments with this one, using the same parts and elements but changing the embodiment and placement along the boat. We describe in detail the most likely way of manufacturing and then later we will describe the rest of combinations based on the description of the first one.
  • the foldable boat consists, as shown in Figure 13 and Figure 14 , of two floating platforms or halves, front (1) and rear (2), which can be folded one over the other coincidentally, according to a middle axis (3) transverse to the boat. They are similar but not necessarily identical. Both floating platforms or halves (1) and (2) are made in one or several separated pieces (in this case properly glued, screwed, riveted or connected by any method, for obtaining a single rigid and robust structural unit). The most suitable manufacturing method for these two floating platforms or halves (1) and (2) would be the rotomoulding of plastic materials, in a single piece or in detached pieces that must be joined later. Both of these floating platforms (1) and (2) are symmetric in relation to a longitudinal vertical plane of symmetry passing through the center of the boat.
  • Both floating platforms or halves (1) and (2) have each one a middle central piece or platform, like a tray, a front one (4) and a rear one (5), both symmetrical in relation to the longitudinal vertical symmetry plane passing through the center of the craft, which serve as a junction or bridge for both symmetrical front floats (6) and rear floats (7), placed at the sides of each floating platform or half (1) and (2), respectively.
  • Both pair of symmetrical front floats (8) and rear floats (7) are symmetrical in relation to the longitudinal vertical symmetry plane passing through the center of the craft.
  • the central posterior bridge (5) or tray of the rear floating platform or half (2) have some moldings that prevent slipping (8) and serves as a seat for the passenger, having an appropriate shape for being comfortable when sitting in.
  • the central bridge or tray (4) of the front floating platform (1) can be smaller than the previous one, and serves as a union between the two front symmetrical front floats (6), as the central bridge or tray (5) of the rear floating platform or half (2) makes the same between the rear floats (7).
  • Floating platforms (1) and (2) have tubes (9) and (10) as common hinge, inside of which is inserted, transversely to the craft, a rigid and thick cylindrical rod (11), which gives the folding axis of the craft, which is fixed with a washer (12) and a pin (13), as shown in Figure 12 , Figure 13 and Figure 14 .
  • a washer (12) and a pin (13) As shown in Figure 5 and Figure 6 , when the boat is folded, the front floating platform or half (1) rests and coincides with the rear floating platform or half (2), touching between them on some parts of the floats or on attached elements or stoppers.
  • both pairs of symmetrical front floats (6) and rear floats (7) are aligned to constitute two elongated continuous side floats in the boat, making it a small foldable catamaran.
  • the hull shape in the junction between the front float (6) and the rear float (7) at each side of the boat is continuous and with no recesses or protrusions, giving a streamlined profile that makes the sliding of the boat in the water easy.
  • Each one has at its bottom, longitudinally and symmetrically, a keel-shaped thickening (14), which confers strength and resistance to impact or friction against the ground during transport, ending in a rearfin (15), fused to the rear float (7).
  • These fins (15) are responsible for efficient channeling of water flow to the rudder (16), to increase the maneuverability of a boat so small. They are reinforced to prevent breakage due to shock or friction with the ground, as they also serve to protect both rudders (16) when transported by land.
  • the bar (11) of the folding axis of the pedal boat threads by its ends two symmetrical steering levers (17), two equal and symmetrical lateral transport wheels (18) that protect the steering levers (17) from impact or friction to the ground when the boat is folded and dragged by land, and two friction washers (19) that smooth the movement of these steering levers (17).
  • two symmetrical U-shaped tube bars with rounded, square, rectangular or polygonal section, (front (20) and rear (21)), which may be hollow or solid, maintain aligned and rigidly fixed the two floating platforms or halves, front (1) and rear (2).
  • the front flotation platform or half (1) has at least a couple of pieces, bumps, protrusions or widenings of the float itself (22), placed on the inside, on the outside or on the top of the front floats (6), according to a different embodiment of the invention each.
  • Such pieces, bumps, protrusions or widenings of the float (22) are arranged symmetrically along the longitudinal vertical symmetry plane passing through the center of the craft. Each one of these pieces, bumps, protrusions or widenings of the float itself (22) is traversed lengthwise by a hole (23).
  • the central platform or bridge (4) of the front floating platform (1) is also traversed symmetrically by a pair of holes (24), performed longitudinaliy and symmetrically in relation to the longitudinal vertical symmetry plane passing through the center of the boat (on the inside, on the outside or on top of the front floats (6), according to the embodiment of the invention).
  • the rear floating platform or half (2) is also traversed by one or two pairs of parallel holes (25), longitudinaliy and symmetrically practiced in relation to the longitudinal vertical symmetry plane passing through the center of the craft (on the inside, on the outside or on top of the rear floats (7), according to the embodiment of the invention), with the difference that at least a pair of holes (24) and a pair of holes (25) are practiced at the same height.
  • the holes on the right side and on the left side of the boat are perfectly aligned, and are responsible of housing the front U-shaped tube bar (20).
  • the pairs of holes (23), (24) and (25) have all of them the same cross-section as both U-shaped tube bars (20) and (21).
  • the two arms of the front U-shaped tube bar (20) can be introduced consecutively so on through the holes (23), (24) and (25) at both sides of the boat. They can slide longitudinally to the boat between two limits made by two stoppers, but always keeping the two floating platforms or halves (1) and (2) unfolded and unable to be folded when their ends are inserted into the pairs of holes (25) of the rear floating platform or half (2).
  • the ends of the U-shaped tube bar (20) out from these pairs of hotes (25) the folding of the boat is allowed, at least by part of the front floating platform or half (1). This is shown in Figure 5 and Figure 8 .
  • the rear flotation platform or half (2) has at least a couple of pieces, bumps, protrusions or widenings of the float itsetf (26), placed on the inside, on the outside or on the top of the rear floats (7), according to a different embodiment of the invention each.
  • Such pieces, bumps, protrusions or widenings of the float (26) are arranged symmetrically along the longitudinal vertical symmetry plane passing through the center of the craft.
  • Each one of these pieces, or bumps, protrusions or widenings of the float itsetf (26) is traversed lengthwise by a hole (27).
  • the central platform or bridge (5) of the rear floating platform (2) is also traversed symmetrically by a pair of holes (28), performed longitudinally and symmetrically in relation to the longitudinal vertical symmetry plane passing through the center of the boat (on the inside, on the outside or on top of the rear floats (7), according to the emodiment of the invention).
  • the rear floating platform or half (2) is also traversed by one or two pairs of parallel holes (29), longitudinally and symmetrically practiced in relation to the longitudinal vertical symmetry plane passing through the center of the craft (on the inside, on the outside or on top of the rear floats (7), according to the embodiment of the invention), with the difference that at least a pair of holes (28) and a pair of holes (29) are practiced at the same height.
  • the holes on the right side and on the left side of the boat are perfectly aligned, and are responsible for housing the rear U-shaped tube bar (21).
  • the pairs of holes (27), (28) and (29) have all of them the same cross-section as both U-shaped tube bars (20) and (21).
  • the two arms of the rear U-shaped tube bar (21) can be introduced consecutively so on through the holes (27), (28) and (29) at both sides of the boat. They can slide longitudinally to the boat between two limits made by two stoppers, but always keeping the two floating platforms or halves (1) and (2) unfolded and unable to be folded, when their ends are inserted into the pairs of holes (29) of the front floating platform or half (1).
  • the front U-shaped tube bar (20) has a pair of pedals (30) housed in a pair of bearings (31) that are transversely screwed to the symmetrical arms of this front U-shaped tube bar (20).
  • the pedals (30) are joined to at least a single central paddlewheel (32), whose size allows the easy folding of the structure of the pedal boat by fitting into the space between the pairs of front floats (6) and rear floats (7).
  • the rear U-shaped tube bar (21) has two hinges (33) transversely screwed to their both arms, inside of which a bent rounded bar (34) is placed, which supports and allows to adjust the backrest (35) for suiting the passenger.
  • the front U-shaped tube bar (20) has in their both symmetrical arms a pair of vertical holes (36), equal and symmetrical to the longitudinal vertical symmetry plane passing through the center of the craft, and a pair of longitudinal slots (37), also equal and symmetrical to the longitudinal vertical symmetry plane passing through the center of the craft. Both into the pair of holes (36) and into the pair of longitudinal slots (37) a pair of pins (38) can be placed, that cross vertically the pieces, bumps, protrusions or widenings (22) of the pair of front floats (6). When the pair of holes (36) is crossed by the pair of pins (38), the front U-shaped tube bar (20) is blocked and can not slide longitudinally. If it is positioned in a way that their ends are not inserted into the pair or pairs of holes (25) of the rear floating platform or half (2), the rotation is not impeded and the foldable pedal boat can be folded around its axis (3).
  • the front U-shaped tube bar (20) can displace longitudinally in the direction of the boat a distance equal to the length of this pair of longitudinal vertical slots (37). This allows that the pedals (30) and the paddlewheel (32) can be adjusted to the size of the passenger but always with the ends of the arms of the front U-shaped tube bar (20) introduced into the pair or pairs of holes (25) of the rear floating platform or half (2), impeding the accidental folding of the pedal boat in navigation.
  • two small pivoting and / or sliding bolts or latches (39), symmetrically placed in both arms of the front U-shaped tube bar (20), can rotate and / or slide into some small hinges or supports (40), fitting into preset positions disposed in two rows of notches or holes (41), symetrically practiced on the inside, on the outside or on top of the pair of front floats (6), according to the embodiment of the invention.
  • the passenger uses both hands to unlock such pivoting and / or sliding bolts or latches (39) and pushes the pedals forward or backward by using the feet, locking then the front U-shaped tube bar (20) in the desired position.
  • the rear U-shaped tube bar (21) has in their both symmetrical arms a pair of vertical holes (42), equal and symmetrical in relation to the longitudinal vertical symmetry plane passing through the center of the craft, and a pair of longitudinal vertical slots (43), also equal and symmetrical in relation to the longitudinal vertical symmetry plane passing through the center of the craft. Both into the pair of holes (42) and into the pair of longitudinal slots (43), a pair of pins (44) can be fitted vertically, which can be introduced at time through the pieces, bumps, protrusions or widenings (26) of the pair of rear floats (7).
  • two L-shaped horizontal bars (45), that are bolted, riveted or glued to the rear U-shaped tube bar (21), have at their extremes two handles with locking pivoting and / or sliding devices that can be placed into two symmetrical rows of notches or holes (47), performed on the outer sides of the pair of rear floats (7).
  • These two symmetrical rows of notches or holes (47) fix the two L-shaped horizontal bars (45) in preset positions and adjust the backrest (35) in inclination. They can be easily catched by the passenger to unblock, move and relock the whole using both hands at once.
  • the two U-shaped tube bars front (20) and rear (21) can be joined by two ending plastic pieces (48), placed both of them at the transverse middle segment of the two U-shaped tube bars front (20) and rear (21).
  • These two ending plastic pieces (48) have a lock device for a secure joining and have a shape with a handle for dragging or pushing the folded pedal boat as a trolley or cart.
  • the backrest (35) is joined to the rear floating platform or half (2) by a straight bar (50) and an ending washer (51) with a pin (52) that crosses and threads it by using the tube hinges (53) and (54). The backrest (35) can then rotate freely around the axis provided by this straight bar (50) when the pin (52) is secured, but is always joined to the boat.
  • a pair of rear hooks (55) can be coupled and uncoupled to the supporting and adjusting bent bar (34) of the backrest (35), allowing the backrest (35) to be folded downwards when the boat is folding, making space for allowing the coupling of the paddlewheel (32).
  • the bearings (30) and the hinges (31) are screwed to the U-shaped tube bars front (20) and rear (21), respectively, and they can be used as stoppers for their longitudinal displacements. These elements stop in the pieces, or bumps, protrusions or widenings of the float itself (22) and (26), so unless they are unscrewed they prevent the U-shaped tube bars front (20) and rear (21) from releasing out from the pair of holes (23) and (24), and from the pairs of holes (27) and (28), respectively, and being lost.
  • the floating platform or half (2) have at each one of the stems of their floats (7) a vertical hole (56) for housing a rudder (16) which is confined on this position by a fixing piece that has an horizontal pulley (57).
  • a single a rope or string (58) connects the two horizontal pulleys (57) of both rudders (16) and the two steering levers (17), synchronizing all of them.
  • the rope (58) is strained, both rudders turns at once in this direction, and the other steering lever (17) is pulled back.
  • the boat has two side chests or boxes (59), consisting of two small openings or hollows (64) symmetrically practiced on top of the rear floating platform or half (7), so that they are placed at both sides of the seat and the backrest (35). Each one is closed with a small tilting lid or cover (60), which rotates on a transverse hinge (61). A small stopper (62) limits the opening angle of the cap or cover (60) and a small handle (63) makes more easy to open and to cióse it.
  • the covers or lids (60) have a shape with a curved upper surface that allow them to be used as armrests.
  • the arms of the two U-shaped tube bars front (20) and rear (21), the pieces, bumps, protrusions or widenings (22) and (26) of the pair of front floats (6) and rear floats (7), and the pairs of holes (23), (24), (25), (27), (28), (29), are located on the inner sides of the pair of front floats (6) and rear floats (7).
  • the arms of the two U-shaped tube bars front (20) and rear (21), and the elements that allow their hosting and longitudinal displacement can be placed at different heights in two different horizontal displacement planes for each one (case of the embodiments A1 and A2), or at the same height, with a single horizontal displacement plane for both U-shaped tube bars front (20) and rear (21) (case of the embodiment A3).
  • the arms of the two U-shaped tube bars front (20) and rear (21) are finished in tube ends that fit mutualty between them.
  • the arms of the two U-shaped tube bars front (20) and rear (21), the pieces, bumps, protrusions or widenings (22) and (26) of the pair of front 25 floats (6) and rear floats (7), and the pairs of holes (23), (24), (25), (27), (28), (29), are located on the outer sides of the pair of front floats (6) and rear floats (7).
  • the arms of the two U-shaped tube bars front (20) and rear (21), and the elements that allow their housing and longitudinal displacement can be placed at different heights, with two different horizontal displacement planes for the two U-shaped tube bars front (20) and rear (21) (case of the embodiments A1 and A2), or at the same height, with a single horizontal 30 displacement plane for both U-shaped tube bars front (20) and rear (21) (case of the embodiment A3).
  • the arms of the two U-shaped tube bars front (20) and rear (21) are finished in tube ends that fit mutually between them.
  • the arms of the two U-shaped tube bars front (20) and rear (21) are placed in the same diplacement horizontal plale, displacing both of them inside slots and holes aligned horizontally in the top surface of the pairs of front floats (6) and rear floats (7), along its vertical longitudinal plane of symmetry and below the tubes (9) and (10) of the hinge of the folding axis (3) of the pedal boat. In case of passing above this hinge the pedal boat could not be folded.
  • the pieces, bumps, protrusions or widenings (22) and (26) of the pair of front floats (6) and rear floats (7), and the pair of holes (23), (24), (25), (27), (28), (29), are all of them placed at the same height and aligned at each one of the sides of the boat, along the vertical longitudinal plane of symmetry of each front float (6) or rear float (7).
  • the ends of the arms of the two U-shaped tube bars front (20) and rear (21) are finished in solid or hollow extremes, as in the embodiment A3, so that each end is embedded and stuffed into the opposite one to form together a rectangular frame movable and extensible.
  • the pairs of holes (24) and (29) and the pairs of holes (25) and (28) are also the same.
  • the two U-shaped tube bars front (20) and rear (21) are placed in the same displacement horizontal plane, in longitudinal grooves and holes practiced at the top surface of the pairs of front floats (6) and rear floats (7), as in the embodiment C1. But in this case the ends are not mutually embedded or stuffed, and the pairs of holes (23), (24), (25) are all of them aligned at each side of the boat, but not with the pairs of holes (27), (28), (29).
  • Both U-shaped tube bars front (20) and rear (21) have different widhts. In the D1 embodiment the rear U-shaped tube bar (21) is wider that the front U-shaped tube bar (20), and in the D2 embodiment to the contrary.
  • the C and D embodiments have the inconvenience of eliminating the drawers or boxes (59) at sides and their armrests (60).
  • each pair of holes (24) and (25), and (28) and (29), must be aligned with each other to allow the introduction of the arms of the two U-shaped tube bars front (20) and rear (21).
  • the arms of the two U-shaped tube bars front (20) and rear (21) are straight, so that on each side of the boat the holes (23), (24) and (25) are aiigned, and the holes (27), (28) and (29) too.
  • A1 ⁇ A2', A3', B1 ⁇ B2 ⁇ B3' differ from the previous ones in that the two U-shaped tube bars front (20) and rear (21) have their arms bent in a vertical and / or horizontal plane, so that the pairs of holes (23) are not aligned with the pairs of holes (24) and (25) and / or the pairs of holes (27) are not aligned with the pairs of holes (28) and (29).
  • These curves can serve as a stopper for the front U-shaped tube bar (20) against the projections, pieces, bumps, protrusions or widenings (22) of the pair of front floats (6), so it is not released from its place.

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Claims (11)

  1. Ein kleines einsitziges Tretboot, das um eine zentrale Querachse faltbar ist, umfassend:
    - eine vordere schwimmende Plattform (1) und eine hintere schwimmende Plattform (2), welche symmetrisch im Verhältnis einer vertikalen Längssymmetrieebene sind, die durch die Mitte des Tretbootes verläuft, sodass sie gegeneinander gefaltet werden können und eine von ihnen auf die andere passt, sodass dies geschieht, indem einer von ihnen um 180° in Bezug auf den anderen gedreht wird, indem er um eine Mittelachse (3) geklappt wird, die quer zum Tretboot liegt;
    wobei die Mittelachse (3) von einer zylindrischen Stange oder Rohr (11) gebildet wird, welches in quer verlaufenden Hohlrohren (9, 10) untergebracht ist, die koaxial ausgerichtet sind, die zylindrische Stange oder Rohr (11) durch Stopper (12) und Stifte (13) innerhalb der quer angeordneten Hohlrohre (9,10) beschränkt ist, eines oder mehrere der quer verlaufenden Hohlrohre (9, 10) mit der vorderen schwimmenden Plattform (1) verbunden sind und eines oder mehrere der quer verlaufenden Hohlrohre (9, 10) mit der hinteren schwimmenden Plattform (2) verbunden sind, in einer Weise, die Mittelachse (3) als Gelenk zum Falten des Tretbootes dient;
    wobei jede der zwei schwimmenden Plattformen (1) und (2) eine zentrale horizontale Oberfläche (4, 5) hat, die oberhalb des Wasserspiegels angeordnet ist, der zwei längsgestreckte Schwimmkörper starr miteinander verbindet, zwei vordere (6) in der vorderen schwimmenden Plattform (1) starr verbindet und zwei hintere (7) in der hinteren schwimmenden Plattform (2) starr verbindet, beide symmetrisch in Bezug auf die vertikale Längssymmetrieebene, die durch die Mitte des Tretbootes verläuft, sodass, wenn das Tretboot aus seiner zusammengeklappten Position entfaltet wird, indem eine der beiden schwimmenden Plattformen (1, 2) um 180 ° um die quer Mittelachse (3) gedreht wird, dann den vorderen Schwimmer (6) und den hinteren Schwimmer (7) jeder Seite das Tretboot bildet zusammen die äußere Form eines einzigen kontinuierlichen hydrodynamischen länglichen Schwimmers, dessen Oberflächen kontinuierlich sind, wobei zwischen ihnen keine Brüche oder Diskontinuitäten bestehen, um den Wasserfluss während der Navigation verbessern, und die zentralen horizontalen Oberflächen (4, 5) bilden eine annähernd horizontale Ebene ebene Fläche mit kleinen Unebenheiten oder Neigungen, die als Sitz oder eine Fläche zum Ablegen eines Passagiers verwendet oder angepasst werden soll;
    gekennzeichnet durch:
    - zwei U-förmige Rohrstangen, eine an der Vorderseite (20) und die an der Rückseite (21) des Tretbootes, wenn sich dieses in ausgeklappter Position befindet, wobei beide einen Querschnitt haben, der quadratisch, rechteckig, mehreckig ist kreisförmig oder elliptisch, und sind in Bezug auf die vertikale Längssymmetrieebene, die durch die Mitte des Tretbootes verläuft symmetrisch, die U-förmige Rohrstangen (20, 21) der Länge nach gleiten können, entweder in derselben horizontalen Ebene oder jeweils in einer anderen horizontale Ebene;
    - eine Vielzahl von Stücken, Erhebungen, Vorsprüngen oder Erweiterungen (22, 26) der schwimmenden Plattformen (1, 2), welche in der Nähe des Bug und des Hecks des Tretbootes platziert sind, symmetrisch in Bezug auf die vertikale Symmetrieebene, die durch die Mitte des Tretbootes verläuft, wobei jede von ihnen durchquert wird, um ein Langloch, Langhohlraum, Langnut oder Langschlitz (23, 27) zu bilden;
    - mindestens ein erstes Paar von in Längsrichtung und zueinander parallelen Längslöchern, Längschlitzen, Längsnuten oder Längsvertiefungen (25, 28) in der hinteren schwimmenden Plattform (2), die sich in Längsrichtung entlang ihrer zentralen horizontalen Oberfläche (5) neben der Mitte des Tretbootes erstrecken, und mindestens ein zweites Paar von in Längsrichtung und zueinander parallelen Längslöchern, Langschlitzen, Längsnuten oder Längsvertiefungen (24, 29) in der vorderen schwimmenden Plattform (1), die sich in Längsrichtung entlang ihrer zentralen horizontalen Oberfläche (4) neben der Mitte des Tretbootes erstrecken, wobei im entfalteten Zustand des Tretbootes das mindestens eines zweite Paar (24, 29) mit dem mindestens eines ersten Paar (25, 28) ausgerichtet wird, sodass die aufeinander folgenden Längslöchern, Längschlitzen, Längsnuten oder Längsvertiefungen (25, 28, 24, 29) in der vorderen schwimmenden Plattform (1) und in der hinteren schwimmenden Plattform (2), beziehungsweise, ein einzelnes und durchgehendes Längslöch, Langschlitz, Längsnut oder Längsvertiefung bilden und die beide schwimmenden Plattformen (1, 2) überqueren, wobei jedes Ende der vorderen U-förmigen Rohrstange (20) nacheinander in mindestens drei Längslöchern, Langschlitzen, Längsnuten oder Längsvertiefungen aufgenommen ist, zuerst in ein Langloch, Langhohlraum, Langnut oder Langschlitz (23) eines der Stücke, Erhebungen, Vorsprüngen oder Erweiterungen (22) sie sind mit versehen, die nahe dem Bug angeordnet sind, und dann horizontal durch zwei aufeinanderfolgende Längslöcher, Längschlitze, Längsnuten oder Längsvertiefungen (24, 25) in der vorderen schwimmenden Plattform (1) bzw. in der hinteren schwimmenden Plattform (2) geschoben werden, wobei jedes Ende der hinteren U-förmigen Rohrstange (21) nacheinander in mindestens drei Längslöchern, Langschlitzen, Längsnuten oder Längsvertiefungen aufgenommen ist, zuerst in ein Langloch, Langhohlraum, Langnut oder Langschlitz (27) eines der Stücke, Erhebungen, Vorsprüngen oder Erweiterungen (26) sie haben, die nahe dem Heck angeordnet sind, und dann horizontal durch zwei aufeinanderfolgende Längslöcher, Längschlitze, Längsnuten oder Längsvertiefungen (28, 29) in der hinteren schwimmenden Plattform (2) bzw. in der vorderrn schwimmenden Plattform (1) geschoben werden, so dass das Klappen des Tretbootes verhindert wird, sodass, durch Schieben der Enden der vorderen u-förmigen Rohrstange (20) in Längsrichtung aus den Längslöchern, Längschlitzen, Längsnuten oder Längsvertiefungen (25) der hinteren schwimmenden Plattform (2) und durch Schieben der Enden der hinteren U-förmigen Rohrstange (21) in Längsrichtung aus den Längslöchern, Langschlitzen, Längsnuten oder Längsvertiefungen (29) der vorderen schwimmenden Plattform (1), das Klappen des Bootes ist zulässig, wobei, in dem Fall dass die beiden U-förmigen Rohrstangen (20, 21) die gleiche horizontale Gleitebene haben, die Paare von Längslöchern, Längschlitzen, Längsnuten oder Längsvertiefungen (24, 25, 28, 29) in den vorderen und hinteren schwimmenden Plattformen (1, 2), beziehungsweise, die an die Mitte des Tretbootes angrenzen, sind alle in der gleichen Ebene platziert, sodass die Paare von Längslöchern, Längschlitzen, Längsnuten oder Längsvertiefungen (25) in der hinteren schwimmenden Plattform (2), die die Enden der vorderen U-förmigen Rohrstange (20) aufnehmen, die gleichen sind wie das Paar von Längslöchern, Längschlitzen, Längsnuten oder Längsvertiefungen (28) in der hinteren schwimmenden Plattform (2), die die Enden der hinteren U-förmigen Rohrstange (21) aufnehmen, während die Paare von Längslöchern, Längschlitzen, Längsnuten oder Längsvertiefungen (24) in der vorderen schwimmenden Plattform (1), die die Enden der vorderen U-förmigen Rohrstange (20) aufnehmen, dieselben sind wie das Paar von Längslöchern, Längschlitzen, Längsnuten oder Längsvertiefungen (29) in der vorderen schwimmenden Plattform (1), die die Enden der hinteren U-förmigen Rohrstange (21) aufnehmen, während der Enden der U-förmigen Rohrstangen (20, 21) sind fertiggestellt, um ein gegenseitiges Zusammenstecken oder Verbinden zu ermöglichen.
  2. Ein kleines einsitziges Tretboot nach Patentanspruch 1, bei dem jede U-förmige Rohrstange (20) und (21) ein Paar von Löchern (36, 42) aufweist, die symmetrisch in Bezug auf die vertikale Symmetrieebene liegen, die durch die Mitte des Tretbootes verläuft, wobei jedes Loch vertikal durch im einen Arm der jeweiligen U-förmigen Stange geführt oder gebohrt wird, wobei, wenn jede U-förmige Rohrstange (20) und (21) in Längsrichtung in eine korrekte voreingestellte Längsposition in Bezug auf das Tretboot gleitet, Fixierungsstift (38, 44) ist durch sein jeweiliges Loch (36, 42) eingeführt, und es , die symmetrisch in die Stücke, Erhebungen, Vorsprünge oder Erweiterung (22, 26) in den schwimmenden Plattformen (1, 2) platziert nahe dem Bug und dem Heck, beziehungsweise, wobei die Längspositionen, in denen diese Löcher (36, 42) in ihre jeweilige U-förmige Rohrstange (20, 21) gebohrt werden, derart sind, dass, wenn jedes Paar von Fixierungsstiften (38, 44) gleichzeitig die Paare von Löchern (36, 42) der jeweiligen U-förmigen Rohrstange (20, 21) kreuzt und die die Stücke, Erhebungen, Vorsprünge oder Erweiterungen (22, 26) der entsprechenden schwimmenden Plattform (1, 2), diese U-förmige Rohrstange (20, 21) ist blockiert, was seine Verschiebung und seine Freigabe aus dem faltbaren Tretboot unmöglich macht, während in dieser Position gleichzeitig die Enden Arme nicht in das Längslöchern, Längschlitzen, Längsnuten oder Längsvertiefungen (25, 29) eingeführt werden der gegenüberliegenden schwimmenden Plattform (1) oder (2) nahe der Bootsmitte, sodass das Falten des Tretbootes um seine Mittelachse (3) nicht behindert wird, und wobei durch das Verbinden der blockierten U-förmigen Rohrstangen (20, 21) wenn das Tretboot komplett gefaltet ist, sie kann als Handgriff zum Ziehen und Transportieren des faltbaren Tretbootes als Trolley mit zwei Rädern verwendet werden.
  3. Ein kleines einsitziges Tretboot nach Patentanspruch 2, bei dem jede U-förmige Rohrstange (20,21) hat zwei parallele vertikale Längsschlitze (37, 43), beziehungsweise, die jeweils einen Arm jeder Rohrstange (20, 21) vollständig kreuzen, wobei die parallele vertikale Längsschlitze (37, 43) parallel zu den Armen sind und symmetrisch in Bezug auf die vertikale Längssymmetrieebene angeordnet sind, die durch die Mitte des Tretbootes verläuft, und wobei innerhalb und über diesen zwei Paaren von parallelen vertikalen Längsschlitzen (37, 43) zwei Paare von vertikalen Fixierungsstiften (38, 44) jeweils eingefügt werden können, wenn sich diese Paare von Fixierungsstiften (38, 44) gehen durchlaufen vertikalen Löchern, die über die Stücke, Erhebungen, Vorsprünge oder Erweiterungen (22, 26) und diese parallelen vertikalen Längsschlitze (37, 43) ausgebildet oder gebohrt werden, sodass kann sich jeder U-förmige Rohrstange (20, 21) in Längsrichtung bewegen und verschieben Abstand gleich der Länge des jeweiligen Paars paralleler vertikaler Längsschlitze (37, 43) zwischen zwei Positionen, die durch ihre Position und Länge in der entsprechenden U-förmigen Rohrstange (20, 21) bestimmt sind, sodass die dann als Stoppern oder Grenzen für die Verschiebung dienen der U-förmigen Rohrstangen (20, 21), und wobei zwischen diesen beiden jeweiligen Verschiebungsgrenzen beide U-förmigen Rohrstangen (20,21) im aufgefalteten Zustand des Tretbootes immer die Enden ihrer Arme angeordnet haben in den Paaren aufeinander folgender Löchern, Schlitzen, Nuten oder Vertiefungen (25) oder (29) der gegenüberliegenden schwimmenden Plattform (1) oder (2) neben der Bootsmitte, sodass auf diese Weise die Faltung des Tretbootes behindert wird, obwohl beide U-förmigen Rohrstangen (20, 21) in Längsrichtung gleiten können.
  4. Ein kleines einsitziges Tretboot nach Patentanspruch 3, bei dem wenn das Tretboot gefaltet ist, das mittlere Quersegment der beiden U-förmigen Rohrstangen (20, 21) in die andere oder zu der anderen passt, wobei die U-förmigen Rohrstangen (20, 21) gegebenenfalls gebogen oder gekrümmt sind für diese Montage erleichtern, wobei die U-förmigen Rohrstangen (20,21) durch Stücke aus Kunststoff (48) mit Haken, Klammern oder Verankerungslaschen, die beide als Griff zum Ziehen des Tretbootes auf dem Landweg dienen, miteinander verbunden und verankert werden können, und als ein System, das die gegenseitige Drehung der schwimmenden Plattformen (1, 2) um ihre quer verlaufende Mittelachse (3) verhindert, um ein versehentliches Öffnen und Entfalten an Land zu vermeiden.
  5. Ein kleines einsitziges Tretboot nach Patentanspruch 4, bei dem die Enden der zylindrischen Stange oder des Rohrs (11), die als Klappachse (3) des Tretbootes dient, zu beiden Seiten seitlich um einen zusätzlichen Abstand vorstehen sind, sodass es möglich ist, in die Enden zwei seitliche Transporträder (18) einzufädeln, die an den Stoppern (12) befestigt sind und mit Stiften (13) an der zylindrischen Stange oder des Rohrs (11) befestigt sind, sodass solche seitlichen Transporträder (18) ermöglichen, dass das Tretboot leicht als Rollkoffer, Wagen oder Trolley gezogen oder geschoben werden kann, wenn das Tretboot zusammengeklappt ist, oder sogar im ausgeklappten Zustand, wenn die Transporträder (18) eine ausreichende Größe haben.
  6. Ein kleines einsitziges Tretboot nach Patentanspruch 4 oder Patentanspruch 5, bei dem, wenn das Tretboot ausgeklappt ist wenn das Tretboot ausgeklappt ist und das Paar Fixierungsstifte (38, 44) gleichzeitig in ihre entsprechenden und jeweiligen Paare von Längsschlitzen (37, 43) der U-förmigen Rohrstangen (20,21) und in die Paare von Löchern eingeführt wird, wenn man die Stücke, Erhebungen, Vorsprünge oder Erweiterungen (22, 26) der Schwimmer (6, 7) und beide Stücke kreuzen, beide U-förmigen Rohrstangen (20, 21) in Längsrichtung verschoben und in Zwischenabständen zwischen den beiden jeweils auferlegten Verschiebungsgrenzen eingestellt werden durch die Länge eines jeden der Paare von Längschlitzen (37, 43), wobei die Zwischenversetzungspositionen auf ein Paar Bolzen, Stifte oder Riegeln (39, 46) für jede U-förmige Rohrstange (20, 21) zurückzuführen sind, die symmetrisch in Bezug auf die vertikale Symmetrieebene angeordnet sind, die die Mitte kreuzt das Tretboot und in Bezug auf die jeweilige U-förmige Rohrstange (20, 21), wobei die Paare von Bolzen, Stiften oder Riegeln (39, 46) entweder um kleine Scharniere (40) herum geneigt werden können oder unter Verwendung von Stiften gleiten können, um zu verhindern, dass sie ihre Löcher verlassen, wobei die Paare von Bolzen, Stiften oder Riegeln (39, 46) unter Verwendung von zwei Reihen von Nuten, Schlitzen oder Löchern (41, 47) in die voreingestellten Zwischenpositionen eingesetzt oder eingepasst werden können, sodass jedes dieser Paare von Reihen auf einer der schwimmenden Plattformen (1, 2) symmetrisch in Bezug auf die vertikale Längssymmetrieebene angeordnet ist, die durch die Mitte des Tretbootes verläuft, sodass damit der Benutzer seine oder ihre Hände verwenden kann, um die Kipp- oder Schiebebolzen, Stifte oder Riegel (46) leicht zu fangen mittels ein Paar Verbindungsstangen (45), entweder gerade, gebogen, in L gebogen oder in Z gebogen sind, welche an der hinteren U-förmigen Rohrstange (21) angeschraubt oder angenietet und enthalten die Kipp- oder Schiebebolzen, Stifte oder Riegel (46) sind, um in die Reihe von Nuten, Schlitzen oder Löchern (47) eingesetzt zu werden, in der hinteren schwimmenden Plattform (2), die zum Verstellen einer Rückenlehne (35) verwendet wird.
  7. Ein kleines einsitziges Tretboot nach Patentanspruch 6, bei dem an beiden Außenseiten der schwimmenden Plattformen (1, 2) befinden sich zwei Lenksteuerhebel (17), einer auf jeder Seite des Tretbootes, die um die zylindrische Stange oder das Rohr (11) der Mittelachse (3) schwenken können oder auf einer zusätzlichen Achse schwenken können, das parallel zur Mittelachse (3) angeordnet ist, wobei jeder Lenkungssteuerhebel (17) durch eine Stange oder Platte gebildet wird, die sich innerhalb einer Ebene dreht, die senkrecht zur klappbaren Mittelachse (3) ist, wobei jeder Hebel (17) auf der Oberseite einen Griff oder Knopf für eine einfache Handhabung durch den Passagier aufweist, sie hat an der Unterseite einen Ring, ein Loch oder ein Kräuselungssystem, an dem eines der Enden einer einzelnen Schnur, Kabel oder Draht (58) zum Ziehen der Ruder (16) verheddert, verknotet oder befestigt werden kann, solche einen Schnur, Kabel oder Draht (58) zum Ziehen der Ruder (16), das horizontal in röhrenförmigen Führungen oder Ringen entlang den Außenkanten der hinteren Schwimmer (7) und / oder der hinteren schwimmenden Plattform (2) verläuft, sodass durch Vorwärtsschieben eines der Lenksteuerhebel (17) die Schnur, Kabel oder Draht (58) beide parallelen Ruder (16) synchron in die gewünschte Richtung zieht, während der andere Lenksteuerhebel (17) gleichzeitig zurückgezogen wird, weil der andere Lenksteuerhebel (17) ihn durch die Schnur, Kabel oder Draht (58) zum Ziehen der Ruder (16) zurückzieht, und durch Zurückdrücken eines oder der beiden Lenksteuerhebel (17) die Schnur, das Seil oder das Seil (58) zum Ziehen der Ruder (16) gelöst wird, sodass um den Effekt des Festhaltens oder Lockerns der Schnur, Kabel oder Draht (58) zum Ziehen der Ruder (16) zu erleichtern, können die Lenksteuerhebel (17) um einen vorbestimmten Winkel gebogen werden, sodasses nicht notwendig ist, das Rudersteuerungssystem zu lösen, um das Tretboot zu falten, weil die Rudersteuerhebel (17) in dieser Situation automatisch zurückgeschwenkt werden, wenn das Tretboot gefaltet ist, wobei oberen Enden mit Griffen zwischen den schwimmenden Plattformen (1, 2) auf jeder Seite des Tretbootes geschützt und auf diese Weise die unteren Enden werden dank der seitlichen Transporträder (18) vor Bodenberührungen geschützt.
  8. Ein kleines einsitziges Tretboot nach Patentanspruch 7, bei dem jeder vordere und hintere Schwimmer (6, 7) weist mindestens ein kleines Rad (49) auf, das symmetrisch in Bezug auf die vertikale Längssymmetrieebene angeordnet ist, die durch die Mitte des Bootes verläuft, und sich senkrecht von der vertikalen Längssymmetrieebene aus nach unten erstreckt jeder Schwimmer (6, 7), mit diesen kleinen Rädern (49), die beim Transport über dem Boden helfen, wenn das Tretboot ausgeklappt ist, dessen geringe Größe dem Vormarsch in der Navigation jedoch wenig Wasserfestigkeit verleiht, wobei ermöglicht wird, dass das Tretboot stehen kann, ohne zu fallen, indem es gleichzeitig auf den beiden seitlichen Transporträdern (18) und auf den Paaren der unteren kleinen Räder (49) abgestützt wird.
  9. Ein kleines einsitziges Tretboot nach Patentanspruch 8, bei dem eine Kurbelwelle mit zwei Pedalen (30) ist so konfiguriert, dass sie sich frei um eine horizontale Achse quer zum Tretboot dreht, indem die Enden der Kurbelwelle in ein Paar Lager (31) eingebracht werden, die symmetrisch an der vorderen U-förmigen Rohrstange (20) verschraubt oder befestigt sind, und/oder, für den Fall, dass die horizontale Verschiebungsebene der Achse der Kurbelwelle oberhalb der vorderen Schwimmer (6) angeordnet ist, diese Pedale (30) sind mit zwei seitlichen Schaufelrädern (32) verbunden, die an vergrößerten Enden der Kurbelwelle angeordnet sind, die an beiden Seiten des Tretbootes außerhalb der vorderen Schwimmer (6) seitlich hervorstehen, sodass das Tretboot ohne Störung mit diesem geklappt werden kann.
  10. Ein kleines einsitziges Tretboot nach Patentanspruch 9, bei dem eine klappbare und abnehmbare Rückenlehne (35) um eine horizontale Achse quer zum Tretboot frei schwenkbar ist, wobei die Achse durch mindestens eine zylindrische Stange (50) gebildet wird, die mit Kappen und Scheiben (52) und Stiften (51) befestigt ist, diese zylindrische Stange (50) durchbohrt eine Reihe von quer parallelen koaxialen Rohren (53), die an dem hinteren Ende der zentralen horizontalen Oberfläche (5) der hinteren schwimmenden Plattform (2) befestigt sind, und weiteren parallelen koaxialen Querrohren (54), die am Boden des befestigt sind, gefädelt sind Rückenlehne (35), mit der Besonderheit, dass die klappbare Rückenlehne (35) einige hintere Haken aufweist, an denen der mittlere Teil einer U-förmigen Stange (34) mit kreisförmigem Querschnitt eingehängt oder befestigt werden kann, deren untere Enden sich in einem Paar Quergelenke (33) einschwenken, die symmetrisch mit der hinteren U-förmigen Rohrstange (21) verschraubt sind, um zu verhindern, dass die Rückenlehne (35) unter ihr Eigengewicht oder das Gewicht des Insassen fällt, sodass dieses Merkmal verhindert, dass die Rückenlehne (35) unter ihr eigenes Gewicht oder das Gewicht des Passagiers fällt, wodurch die Neigung der Rückenlehne (35) durch die horizontale Verschiebung der hinteren U-förmigen Rohrstange (21) eingestellt werden kann.
  11. Ein kleines einsitziges Tretboot nach Patentanspruch 11, bei dem Oberseite der hinteren schwimmenden Plattform (2) und der hinteren Schwimmer (7) und an beiden Seiten des Sitzes und des Beifahrers befinden sich zwei Truhen oder Kästen (59), die in Bezug auf das Tretboot in Längsrichtung angeordnet sind oben, sodass diese Truhen oder Kästen (59) als seitliche Aufbewahrung von Gegenständen dienen können, und wessen Kästen in derselben Form wie die hintere Schwimmplattform (2) geformt werden können, oder welche Kästen als lösbare Elemente ausgebildet sind, die mit Stiften oder Schrauben befestigt sind, die Kästen mit kleinen Löchern für die Wasserableitung und einen Deckel (60), der an einem Scharnier (61) an der Seite oder an der Rückseite schwenkt, das an seiner entsprechenden Truhe oder Kästen (59) schließ, die Deckel (60) eine optimierte Form haben, um als Armlehnen für den Komfort des Passagiers zu dienen, wobei ein Behälter (64) als eine Aussparung oder ein Loch (64) in der Oberfläche jedes der vorderen Schwimmer (6) der vorderen schwimmenden Plattform (1), in die jedem jeweilige Truhe oder Kästen (59) mit ihrem Deckel (60) passt, wenn das Tretboot zusammengeklappt ist, wodurch das Tretboot vollständig zusammengeklappt werden kann.
EP08775423.0A 2007-06-04 2008-06-03 In einen wagen zu seinem transport umwandelbares kleines faltbares einsitzertretboot Not-in-force EP2165928B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200701242U ES1065789Y (es) 2007-06-04 2007-06-04 Pequeño patin acuatico monoplaza plegable, propulsado por pedales, transformable en carrito para su transporte
PCT/ES2008/000395 WO2008148907A2 (es) 2007-06-04 2008-06-03 Pequeño patín acuático monoplaza plegable, propulsado por pedales, transformable en carrito para su transporte

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EP2165928A2 EP2165928A2 (de) 2010-03-24
EP2165928A4 EP2165928A4 (de) 2013-01-23
EP2165928B1 true EP2165928B1 (de) 2019-04-03

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EP (1) EP2165928B1 (de)
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WO (1) WO2008148907A2 (de)

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US8641465B2 (en) * 2011-01-13 2014-02-04 Kelly K Souter Apparatus for walking and resting upon the water
US9517819B2 (en) 2011-01-13 2016-12-13 Kelly K. Souter Apparatus for walking and resting upon the water with improved walking stability
US9290244B2 (en) 2011-01-13 2016-03-22 Kelly K. Souter Apparatus for walking and resting upon the water
US9902473B2 (en) 2011-01-13 2018-02-27 Kelly K. Souter Apparatus for walking and resting upon the water
ITMI20121661A1 (it) * 2012-10-04 2014-04-05 Storti Spa Natante a lunghezza variabile.
RU2647164C2 (ru) * 2013-05-22 2018-03-15 Оренес Иннова, С.Л. Каяк
DE202019102622U1 (de) 2019-05-09 2019-06-03 Rüdiger Schloo Trolley mit integriertem Zubehör, an dem ein Schlauchboot montiert ist
US11230353B2 (en) 2019-07-25 2022-01-25 Aqua-Spider, LLC Human powered catamaran-styled watercraft and methods

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Also Published As

Publication number Publication date
WO2008148907A2 (es) 2008-12-11
ES1065789Y (es) 2008-02-01
EP2165928A2 (de) 2010-03-24
WO2008148907A3 (es) 2009-05-14
EP2165928A4 (de) 2013-01-23
ES1065789U (es) 2007-11-01

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