EP2070814B1 - Éléments de montage et d'assemblage pour patins aquatiques mono ou biplace propulsés par des pédales et roues de palettes - Google Patents

Éléments de montage et d'assemblage pour patins aquatiques mono ou biplace propulsés par des pédales et roues de palettes Download PDF

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Publication number
EP2070814B1
EP2070814B1 EP07822879.8A EP07822879A EP2070814B1 EP 2070814 B1 EP2070814 B1 EP 2070814B1 EP 07822879 A EP07822879 A EP 07822879A EP 2070814 B1 EP2070814 B1 EP 2070814B1
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European Patent Office
Prior art keywords
longitudinal
floats
main
pieces
shaped
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EP07822879.8A
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German (de)
English (en)
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EP2070814A1 (fr
EP2070814A4 (fr
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José Nieto León
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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
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/06—Steering by rudders
    • B63H25/08—Steering gear
    • B63H25/10—Steering gear with mechanical transmission
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/02—Arrangements on vessels of propulsion elements directly acting on water of paddle wheels, e.g. of stern wheels
    • 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 here described is located in the field of small boats and watercrafts for aquatic leisure and recreational activities in relatively calm water. It describes a set of pieces in kit form for quick and easy assembly of small enlargeable customizable pedal boats provided with two or more parallel floats for one, two, or even more passengers.
  • this invention does not describe any specific single pedal boat or watercraft, but describes a set of pieces in kit form, very simple, durable and strong, being the most of them manufactured in plastic materials for avoiding corrosion, that enables easy and quick assembly of several hull configurations of small pedal boats or watercrafts for aquatic leisure, which are enlargeable from two main floats to many by means of relatively few kit parts to assemble but achieving high structural strenght.
  • Locking devices are multi-purpose and the more simple possible for enabling to attach and to detach easily different swappable elements, pieces and seats if they have the same or compatible locking system. For instance, users can dock in front of the default pedal boats two types of front floats at will for choosing to improve flotation or navigation performance against waves, or for adding cargo capacity to the default watercrafts.
  • Uses can also change propulsion and steering systems, changing default pedals and paddlewheels by oars, paddles, electric propellers, or other accesories present in the market because the default propulsion system here described is very quick to dock and undock in the pedal boats but providing high safety and strenght.
  • the invention also allows that the watercrafts could be sold in prepared packages having a complete detachable watercraft each, as well in the form of detached pieces for enlarging, specializing or customizing such watercrafts or going achieving them by gathering piece by piece.
  • the patent FR 1544093 describes a human-powered propulsion device for small pedalos for one or more passengers which is placed below the seat of each passenger.
  • the invention is focused mainly in the propeller, not in the main floating structure needed for the watercraft. Steering devices are also not described. Its only similarity to the invention described herein is that it is the first patent document found which is referred to a two-seater pedal boat constructed with three main longitudinal floats, being each passenger and all elements for his accomodation placed between each pair of adjacent main floats, repeated as many times as number of passengers and seats. But it differentiates in not having any longitudinal U-shaped bar or plate for strenghtening floating structures as this invention has.
  • the structural frame is constituted by thin tubes which are joined among them in right angles, with no oblique elements joined in non-right angles for shaping triangles along the structure to strenghten the boat against torsion and shearing stresses.
  • the three crossbars are made also in thin stainless steel tubes and it seems they have not enough thickness or diameter as it should be.
  • US 6311632 describes an electric-powered watercraft propelled by a swivel rear propeller that can pivot around a vertical axis for steering control by means of a control lever.
  • the frame, seat, drive and control elements rest their weight over two cylindrical identical floats whose extremes are finished in conical tip, being made of bent and welded aluminium sheet in convenient form.
  • two identical floats arranged in the forward direction of the boat, three identical crossbars are arranged in the same horizontal plane and perpendicularly with respect to the floats they join by working as linking pieces, constituting the main structural frame of the watercraft.
  • These three crossbars are characterized in that the extremes of every one of them finish in the same hook-shaped metal piece, thanks to which the crossbars can loop over and overlap the top of the cylindrical main floats, fitting over their outer top surfaces, being finally secured to them. All weight of the watercraft and passenger rest on the floats by means of such hook-shaped or U-shaped pieces that embrace the floats as they are bent in U shape according to a vertical plane. Since these three crossbars are positioned respectively in the front, rear and middle parts of the twin cylindrical floats, they distribute weight evenly along them.
  • U-shaped pieces may be removable from the main body of each crossbar (by using screws or pins) or be joined to these pieces, well by welding these hooks to the crossbars, well by bending the starting straight crossbars in hooked ends.
  • U-shaped pieces which act as hooks for hanging the frame and passenger from the floats, are joined to the floats by an unspecified system, being suggested by the author welding as a possibility. This is the main lack of this invention for achieving structural strenght as discussed later.
  • this mid frame is linked coplanarly to the plain of all three crossbars, so thereby a perpendicular intercrossing is obtained between main crossbars (arranged in transverse direction) and mid frame (arranged in longitudinal direction, in parallel to main floats).
  • main crossbars arranged in transverse direction
  • mid frame arranged in longitudinal direction, in parallel to main floats.
  • the main similarity between this invention and the one presented herein is the intercrossing and liking of several different pieces alternately in longitudinal and transverse directions, stacked one above the other in horizontal layers and firmly joined mutually, which enables to increase number of screwing or bonding positions, both in longitudinal, transverse and several diagonal directions, and to increase strength of the floating structure against bending, torque and shear because the water movements. From this point differences begin.
  • the floats are also active contributors to the structural strength, so at least two crossbars (arranged in transverse direction), at least two longitudinal U-shaped bars or plates and at least two floats (both pices arranged in longitudinal direction) are mounted, so when compared there are in this case three types of structural pieces, being one of them also the flotation element.
  • the floats are cylindrical, made of aluminum and their outer surfaces are smooth, so because of that the crossbars must be finished ending in U-shaped hooked pieces for being able of embracing the floats and resting all weight over them.
  • the floats lack of any slot, hole or housing hollow inside of which the crossbars would be inserted or screwed, while in this invention presented here all crossbars are housed and assembled through grooves or holes which completely pass through from side to side the top surface of each of the floats.
  • holes, grooves or slots add strength to the structure by opposing to torsion and shear movements, cooperating with the bolts, screws or studs that fix the floats to the crossbars, so that the floats have also a role from a structural standpoint, in contrast to US 6311632 in that the floats have no slots and are near to be passive from structural standpoint, being the link between floats and crossbars the weaker point of this invention, because all stresses must be supported only by the screws or welds, with no aid of vertical faces of any groove.
  • the crossbars can cross completely the floats, so it is possible to assemble a two-seater pedal boat having three floats starting from a single-seater pedal boat having two floats by changing the crossbars by other ones having two times the original lenght, and coupling furtherly all additional pieces for completing the new seat.
  • the two longitudinal U-shaped bars or plates are characterized in that they are arranged in a pair placed between each pair of adjacent floats, symmetrically with respect to the longitudinal vertical plane of symmetry passing through the center of the watercraft, or a similar one but belonging to each pair of adjacent main floats in multiple-seater watercrafts. They are placed in a horizontal plane, above the crossbars and floats, being joined both in a same plane parallel to the respective planes of the other two pieces and linked to both, that is, because its shape each one of these pieces cross perpendicularly the two other structural elements, resulting in an assembly of three layers, constituted, from bottom up, by floats, crossbars and longitudinal U-shaped bars or plates.
  • This stacked intercrossed structure makes that all elements always remain in parallel planes joined mutually among them, making its breakage and collapse more difficult.
  • each one of the longitudinal U-shaped bars or plates touches and rests its weight on the two crossbars and is screwed on both of them, whereas the shorter transverse segments of each of the two longitudinal U-shaped bars or plates are attached to the floats and screwed in two widely separated sections thereof, at the stern and at the bow, fitting inside two transverse slots on the top surface of the floats which are practiced specifically in these positions for a complete immobilization of these transverse segments.
  • the longitudinal segments can be placed at a certain distance from the vertical center plane of symmetry of the watercraft, to be placed below the seat and to receive the vertical component of the weight from the passenger effectively and to distribute it better to the crossbars, but at the same time the transverse segments of the same pieces can be extended away from their positions transversely outwardly reaching to the floats, so part of the weight and forces and part of structural stresses are distributed not only to the crossbars, but also to four other points over the floats which may be really away from the two central main crossbars, so the structure is finally reinforced better than if adding a third additional crossbar.
  • the transverse segments are placed inside longitudinal slots or grooves practiced transversely at the top of the floats like the holes or slots that house inside the main crossbars, such slots or grooves oppose to deformation movements of torsion, torque and shearing in a much more effective way than if such longitudinal bars lack of such transverse segments.
  • the screws that join the longitudinal segments of these U-shaped bars or plates to the main crossbars aare placed outside the straight lines that follow the lines of screws placed over the floats, and at the same time outside their corresponding perpendicular lines that follow the direction of the screws that join the transverse segments transversely to the floats.
  • transverse segments of the longitudinal U-shaped bars or plates prevent that their ends or the fixing screws of the pieces could be bent or broken if an excessive weight is placed over them outside the pair of main crossbars, as each extreme is joined to the float through its respective transverse segment. Thanks to these transverse segments the longitudinal segment of all these pieces can be provided with guideways or different coupling positions and devices along all its lenght for placing with safety the seat, displacing and adjusting the seat, or docking additional seats or other components or accessories along different longitudinal positions.
  • each longitudinal U-shaped bar or plate can have many selectable possible lenghts for adjusting the watercraft's width when assembled, in combination with a chosen length for the crossbars on each particular case.
  • their longitudinal segments may be assembled mutually in touch each other flanking at both sides the vertical longitudinal plane of symmetry of the watercraft or pair of adjoining main floats, but usually it is preferable to leave in the center of the watercraft a gap of enough transverse separation distance between the longitdinal sections of both two U-shaped longitudinal bars or plates for accommodating legs for pedaling with no collisions and trippings with other elements.
  • the seat is an element of active strengthening that maintains the parallelism between the two longitudinal U-shaped bars or plates.
  • Longitudinal U-shaped bars can be a bar whose extremes are symmetrically bent, being possible to cover it subsequently with a top hard plastic platform to put feet safely without danger or slip or to give an aesthetical or functional finish, or be directly U-shaped flat plates.
  • the weight from the top structure and passenger is distributed to three separate points on each of the twin floats by using four types of pieces
  • the weight is distributed to four points on each of the two or more floats, but by using only three types of pieces, being each one of these four points a transverse slot, groove or hole placed in the float, so that it is a more effective and efficient assembly system to achieve a strong structure by intercrossing fewer parts, which in addition can further be extended sidewards for placing more seats and floats.
  • the present invention can be further even more reinforced by docking the crankshafts with paddlewheels, which maintain a link between the prow of each one of adjacent floats in the watercraft, as it happens by placing one of the optional dockable front floats, since each one also acts as a linking piece that joins the prows of two adjacent main floats.
  • At least two equal transverse crossbars (1) (preferably two), whose cross-section is square or rectangular for enabling best assembly, are fixed to at least two equal parallel longitudinal main floats (2).
  • These three elements are mutually joined among them in pairs by means of screws or pins for obtaining a strong floating structure as described as follows.
  • each passenger is placed between two adjacent main floats (2) and sits on a seat (8) docked in middle of them, being such number of main floats (2), passengers and seats (8) selectable at will, starting from one seat and one passenger assembled over two main floats (2) to a number of n passengers and n seats assembled over main floats (2) a number of n plus one, so in multiple-seater watercrafts each two adjacent passengers share a common main float (2).
  • each pair of adjacent main floats (2) in all posible constructible watercrafts, from single-seater to multiple-seater ones, are separated between them always the same distance in transverse direction in relation to the direction of advance of the watercraft, being such distance constant an invariable. So depending on the number of desired passengers, seats and main floats (2) on each watercraft to assemble, at least a pair of identical crossbars (1) of different possible lenghts must be selected before assembling the rest of elements and parts over them.
  • the possible length values of such crossbars (1) for multiple-seater watercrafts is best understood once the structure of single-seater watercrafts is explained below.
  • the crossbars (1) are joined to the two or more longitudinal main floats (2), being placed passing through holes, slots or grooves (4) which are practiced transversely in relation to the direction of advance of the boat in the top of the longitudinal main floats (2) crossing them completely.
  • the crossbars (1) have vertical holes (5) practiced in calculated preset positions that are coincident, when the structure is assembled, with the same number of other vertical holes (6) practiced vertically and perpendicullarly into the holes, slots or grooves (4) of the longitudinal main floats (2).
  • a same number of screws or pins (7) join the crossbars (1) and the longitudinal main floats (2) when screwed by them, each one passing through a vertical hole (5) and a vertical hole (6) consecutively.
  • the two longitudinal U-shaped bars or plates (3) that each pair of longitudinal main floats (2) has, are responsible for supporting a further seat (8) and / or other elements for accommodation of passengers over them. They are disposed between and having its longer dimension in parallel to the longitudinal main floats (2), and each one of their two perpendicular transverse ends (9) can be placed inside one of two transverse complete slots or grooves (10) practiced at the top surface of each longitudinal main float (2). All transverse holes, slots or grooves (4) for placing the crossbars (1) are practiced in the main floats (2) between the two transverse slots or grooves (10) for placing the longitudinal U-shaped bars or plates (3).
  • the two longitudinal U-shaped bars or plates (3) are always placed and screwed symmetrically above the longitudinal main floats (2) and the crossbars (1), so weights and structural stresses due to the passenger or cargo are transmitted and distributed from the longitudinal U-shaped bars or plates (3) both to the crossbars (1) and to the longitudinal main floats (2) at the same time.
  • the crossbars (1) have another group of vertical holes (11) practiced in calculated preset positions which are coincident, also in assembly arrangement, with other group of the same number of vertical holes (12), which are practiced also vertically and perpendicullarly in the same coincident positions of assembly in the longitudinal U-shaped bars or plates (3).
  • a screw or pin (13) for each vertical hole (11) and each vertical hole (12) crosses trough two consecutive ones of them and joins a crossbar (1) to a longitudinal U-shaped bar or plate (3).
  • the longitudinal U-shaped bars or plates (3) have also other group of vertical holes (14) practiced in calculated preset positions for correct assembly that are coincident with other group of vertical holes (15) practiced vertically and perpendicullarly into the bottom flat horizontal surface of the transverse slots or grooves (10) in the longitudinal main floats (2).
  • a screw or pin (16) for each vertical hole (14) and each vertical hole (16) joins a transverse extreme of one of the two U-shaped bars or plates (3) to a main float (2) when screwed passing through both consecutive vertical holes belonging to both different pieces.
  • All transverse segments (9) of the identical longitudinal U-shaped bars or plates (3) are enough and exactly long to complete, in all watercraft assemblies, the distance between the desired or convenient transversal position of the main longer longitudinal segment (for supporting better the weight from the seat) and the nearest transverse slot or groove (10) belonging to the nearest float (2) when said standardized longitudinal U-shaped bar or plate (3) is placed in final assembly position, being specially important for enlargement capability and watercraft strengthening that such transverse segments reach exactly to the central vertical symmetry plane of the float (2) to which the longitudinal U-shaped bar or plate (3) is joined, so each one of the vertical holes (14) must be practiced coincidently with its correspondent coincident vertical hole (15).
  • the transverse segments (9) of a longitudinal U-shaped bar or plate (3) joined to a shared main float (2) are in mutual consecutive contact with the transverse segments (9) of other equal symmetrical longitudinal U-shaped bar or plate (3) belonging to the adjacent seat (8) and adjacent pair of main floats (2).
  • This contact strengthens multiple-seater watercraft structures very much than in case of no contact between them, because such transverse segments (9) can cooperate by being in touch and oppose to structure deformations.
  • crossbars (1) For bulding watercrafts having more than a single passenger and seat, other different longer crossbars (1) must be chosen from the beginning, being their lenght increasable by as many equal length steps as number of passengers, but using the same other types of pieces that used for building single-seater watercrafts, repeated and assembled sidewards as many times as passengers, with exception of main floats (2), which a single one per additional passenger is added because each two adjacent passengers share a common main float (2) between them.
  • the overall lenght of the twin crossbars (1) for building single-seater watercrafts is the sum of both lenghts, protruding their extremes from the middle of main floats (2) half the lenght of a hole, slot or groove (4).
  • Each crossbar (1) for single-seater watercrafts is divided in three segments, two symmetrical ending ones, having each half the lenght of the hole, slot or groove (4) each for a good coupling inside them by having the holes (5), and a middle segment having the rest of the crossbar (1) overall lenght, where the seat (8) and the U-shaped longitudinal bars or plates (3) are joined thanks to the holes (11).
  • the crossbars (1) required for building two-seater watercrafts are similar to the crossbars (1) used for assembly of single-seater ones, having sets of holes (5) and (11) placed in the same relative positions with no changes, but differing in having an additional length and additional identical cloned distributions of holes (5) and (11) displaced towards a side a certain length. Such additional length is extended starting from one end in two additional consecutive different segments along the same crossbar (1) piece.
  • First one is exactly identical in length and relative distributions, positions, number and diameters of holes (5) to the middle central segment of the crossbar (1) for single-seater watercrafts.
  • Second one is terminal, and is exactly identical to the terminal segment of the crossbar (1) for single-seater watercrafts in length and relative distributions, positions, number and diameters of holes (11).
  • crossbars (1) for construction of watercrafts for n passengers are obtained in a similar way starting from crossbars (1) used for building single-seater watercrafts, but in the direction of one of their ends the length is extended n times a middle segment plus a terminal segment from each crossbar (1) for single-seater watercrafts, with the particularity that alternatively the same distributions of holes (5) and (11) are practiced and drilled, performed with the same relative distribution, number, hole diameter and relative displacement in direction of the crossbar (1) always in an alternate disposition.
  • any crossbar (1) two ending shorter segments having holes (5) for joining to a main float (2) being housed inside a hole, slot or groove (4), and between them always there are at least a middle longer segment having holes (11) flanked by both sides by two shorter ending segments having holes (5), being on each one of the first ones where each pair of adjacent U-shaped bars or plates (3), the seat (8) and the passenger are placed, matching with the gaps between every two adjacent main floats (2).
  • the longitudinal main floats (2) become wider in transverse direction from the top flat surface toward its bottom nearly flat surface, improving by this way a good sliding above water and making easier displacement by human power by minimizing the submerged surface and decreasing friction with water.
  • Each longitudinal main float (2) have a prow that gets narrow in relation to its main body for cutting water better, and also for leaving more transverse distance between each two of them for placing propulsion devices and an optional front float (17), as for compensating additional buoyancy of this front float (17).
  • Each longitudinal main float (2) has also a keel (18) disposed on its central vertical symmetry plane for directing the water flow toward the rudders (19), increasing maneuverability of the boat or pedal boat.
  • Each crankshaft (21) has their two side crankshaft arms (24) finishing in ends which are coincident with the rotation axis and are modified to make a very easy and quick assembly step of paddlewheels (22) in the crankshaft (21). To do that, the ends of both crankshaft arms (24) are finished or machined in a rod end (26) whose cross-section is square or polygonal.
  • the central hole (27) of the paddlewheels (22) has exactly the same inner cross-section, enabling them to be skewered or impaled by the rod ends (26) and rotate together as a whole without the need of screws or pins. But if it is desirable a better resistance of the paddlewheels (22) against torsion, several pins (28) can be placed into the holes (29) that cross perpendicullarly the axis of the paddlewheels (22) and the rod ends (26) of crankshafts (21) to secure them firmly.
  • crankshafts (21), measured between the ends of their rod ends (26) of square or polygonal cross-section, is the same or a little less than the separation distance between the central vertical symmetry planes of each two adjacent longitudinal main floats (2), so two or more adjacent crankshafts (21) can be placed sidewards in mutual contact or very close to this arrangement.
  • these rod ends (26) of square or polygonal cross-section are not cylindrical in shape and the crankshafts (21) can not roll if joined to main floats (2) by them, two identical plastic bearings or rolling pieces with cylindrical symmetry (30) (preferably cylindrical in shape) for each crankshaft (21) are added.
  • each bearing or rolling piece of cylindrical symmetry (30) rolls fitting perfectly into a box-shaped locking piece (31), that has a cylindrical hole along its major axis with the same inner diameter that the bearing or rolling piece (30).
  • Both these rolling and locking pieces (30) and (31) can be manufacturad in a plastic material with low friction and high resistance to abrasion to prevent corrosion and bimetallic contacts that could boost corrosion even more.
  • Each box-shaped locking piece (31) fits exactly inside a top slot or groove (32) that cross from side to side transversely each longitudinal main float (2) near its prow, so that both ends of each stacked propulsion device (composed each by a crankshaft (21), two skewered paddlewheels (22), and the also skewered twin lateral rolling (30) and locking (31) pieces) can be firmly docked and fixed transversely in relation to the direction of advance of the watercraft by simply dropping it from above and fitting each one of their both side locking pieces (31) inside the slot or groove (32) at the prow of each one of the two adjacent main floats (2).
  • a front sliding cover (33) for each longitudinal main float (2) slides inside several longitudinal guideways or flanges (34) for locking and securing each stacked propulsion device to its respective pair of longitudinal main floats (2) with several pins or screws (35).
  • the rolling (30) and locking (31) pieces have the same length, or near this value, that the prow thickness of each longitudinal main float (2), but all the square or polygonal cross-section rod ends (26) of the crankshafts (21) that are introduced into the longitudinal main floats (2) through these slots or grooves (32) only have the half of such prow thickness as much.
  • crankshafts (21) with all their respective paddlewheels (22), sharing each two adjacent crankshafts (21) a middle rolling piece (30) and a middle locking piece (31) on each shared main float (2), for obtaining a pedal boat with two or more seats.
  • both rolling pieces (30) are mounted with their stoppers looking inside of the boat, and in a pedal boat of more seats, they are mounted with both enlargements or stoppers looking inside of each pair of adjacent longitudinal main floats (2).
  • This front float (17) has a little draught, so that it allows it to slide above water and make easier the displacement by human power. It can be coupled by horizontal sliding from the front of the pedal boat and between each pair of adjacent main longitudinal floats (2), passing exactly under the plane of the crankshafts (21) and pedals (25), without any touch or collision with these parts.
  • This front float (17) has on its rear a hollow or cavity that houses inside it the pedals (25), crankshafts (21) and passenger's feet in all their turning around their rotation axis with no collisions, frictions or bumps with other elements.
  • this front float (36) is open to water by its rear and / or sides. Instead of the cavity, it has optionally one or two symmetrical horizontal surfaces, foils or boards for sliding above the water but allowing to the passenger to have a rest for his o her feet and refreshing them with water.
  • the front float (17) is good for use when the wheather is cold, or the water is cold or dirty, because such watercrafts can be used with wear and shoes, and the front float (36) is good for use in beaches, pools or lakes in summer because there are no inner cavity that could be filled with water due to waves although feet get wet.
  • the front floats (17) and (36) are anchored to the flotation structure with a front horizontal curved bar (37) and two rear Z-shaped bent bars (38).
  • the front horizontal curved bar (37) is firmly joined to the front float (17) or (36) by its prow or middle part, and their two parallel arms are bent or curved an amount of 180°, giving it a C-shaped or an U-shaped look. Both arms can be introduced at the same time by horizontal displacement of the front float (17) or (36) with which are linked, into two horizontal longitudinal holes practiced or drilled in the sliding covers (26) and / or in the main floats (2) which have the same inner cross-section that the arms of the front horizontal curved bar (37), being fixed these both previous pieces with fixing screws (35).
  • the sliding covers (33) have a pair of equal horizontal holes, symmetrically practiced in relation of its own vertical symmetry plane.
  • each arm of the front horizontal curved bar (37) is introduced into the inner hole of each one of both sliding covers (33) placed at both sides (in relation to the considered seat), while the outer hole of each sliding cover (33) remains free for coupling other adjacent front float (17) or (36) in front of one of the two possible adjacent seats.
  • each one of these Z-shaped bent bars (38) is introduced transversely by one of their arms into a transverse symmetrical tube placed or drilled over the sliding covers (33), the longitudinal U-shaped bars or plates (3) or the longitudinal main floats (2), crossing them partially or completely.
  • each one of both Z-shaped bent bars (38) can pivot inside this tube or hole to introduce its other free arm into at least a locking device placed at the rear of the front float (17) or (36) from bottom, so part of the weight and buoyancy forces due to these flotational elements are supported by both Z-shaped bent bars (38) and the other one by the C-shaped curved bar (37), which anchor the front float (17) or (36) firmly and avoid that it could be released or loosen even if the passenger puts the feet over it.
  • Each longitudinal main float (2) has on its own stern a vertical tube or hole (39) for supporting a rudder (19) by means of several washers (40) and fixation pins (41).
  • Each rudder (19) ends in a top piece with shape in horizontal twin pulley (42) that can be locked or anchored with it. All rudders (19) have on their top the same horizontal twin pulley piece (42) that can be easlily manufactured in plastic in a single piece. It has several hooks or rings (43) symmetrically disposed around it for tying several ropes, cables or strings, and also top stoppers (44) for restricting the rotation angle of the rudders (19) and enable the turn only between two extreme positions with an angle between them of or lesser than 180°.
  • the pedal boats have a single little column (46) screwed with several screws (47) in any chosen longitudinal main float (2) for supporting a movable lever or steering wheel (48) for control of the boats.
  • the ends of both of them are connected by hooks, knots or rings to the piece with a horizontal twin pulley (42) of the same main float (2) and to the rod (51) of the steering wheel (48).
  • the vertical column (46) has two top aligned tubes (52), placed longitudinally in relation to the watercraft. Inside of each one a rolling cylindrical bearing or washer (53) is inserted, which has a longitudinal coaxial inner hole whose cross-section is square or polygonal (not circular).
  • the rod (51) of the steering wheel (48) has the same cross-section and skewers them, dragging them when it tums.
  • the steering wheel (48) can rotate freely rolling around the two bearings (53) and be displaced longitudinally along its central rod (51) for being adjusted to the passenger, with a pin placed at the end of its rod (51) to avoid to be released and lost.
  • This spool-shaped piece (54) is confined, so it can not be lost but can rotate when dragged by the steering wheel (48), and has two hooks or rings for tying or hooking the end of each one of the two strings (39) for control of the rudders (19).
  • the spool-shaped piece (54) makes the same, rolling up a string (49) and unrolling the other one, dragging by this way the rudder (19) of the same longitudinal main float (2) to one side, while the other rudders (19) connected and synchronized to the first one in parallel make the same being dragged by the synchronization string (45).
  • each one of the two control strings (39) are rolled in opposite directions the same number of several additional turns around the spool-shaped piece (54), then enabling by this additional length given to them that the steering wheel (48) could make freely the same number of turns symmetrically in both directions for making turn the rudders (19) freely, at least until a turning angle of 90° in both directions before one of the strings (39) get tight.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Claims (17)

  1. Eléments d'assemblage et couplage pour embarcations d'un siège ou plusieurs sièges propulsées avec des pédales et en ayant des roues à palettes, constitués par au moins une paire de barres transversales identiques (1), qui sont disposées dans le même plan horizontal et perpendiculairement par rapport à la direction d'avance de l'embarcation lesquelles ont d'une longueur suffisante pour permettre qu'elles puissent être fixées à un certain nombre de flotteurs principaux longitudinaux (2) identiques, tous ceux disposés longitudinalement par rapport à la direction d'avance de l'embarcation dans le même plan horizontal et toutes étant symétriques par rapport à leurs respectifs plans de symétrie longitudinale verticale, étant ce nombre de flotteurs principaux longitudinaux (2) égal au nombre de passagers désirés plus un, et il y a assez de largeur entre chaque deux flotteurs principaux longitudinaux (2) adjacents pour placer ici toutes les pièces nécessaires, les accessoires et les éléments pour l'accommodation des passagers et pour la propulsion et le contrôle de l'embarcation, avec cette structure flottante qui augmente sa rigidité avec deux barres ou des plaques longitudinales en forme d'U (3) pour chaque siège, puis, pour chaque paire de flotteurs principaux longitudinaux (2), qui sont placées entre chaque deux flotteurs principaux longitudinaux (2) adjacents et symétriquement par rapport au plan de symétrie médian vertical de la même paire de flotteurs principaux longitudinaux (2) adjacents consideré, ces trois éléments structuraux caractérisés en ce qu'ils permettent un assemblage d'embarcations à deux places ou à plusieurs places en utilisant autant nombre de flotteurs principaux longitudinaux (2) que le nombre de passagers souhaités plus un dans l'embarcation pour assembler, et après en répétant et rejoignant latéralement toutes les pièces nécessaires, les accessoires et les éléments pour l'accommodation des passagers et pour la propulsion de l'embarcation autant de fois que le nombre de passagers souhaités, d'une manière que dans les embarcations à deux places ou plusieurs places chaque passager partage un flotteur principal longitudinal (2) avec le passager adjacent, de sorte que les flotteurs principaux longitudinaux (2) sont fixés avec des vis ou des boulons à égale distance entre chaque deux consécutifs d'entre eux, caractérisés en outre en ce qu'à partir de ces trois types de pièces, les barres transversales (1) ont des longueurs différentes, sélectionnables et standardisées, pour chaque nombre de passagers ou de sièges dans l'embarcation pour assembler, donc par cette caractéristique qu'ils rendent possible l'assemblage d'embarcations pour un nombre différent de passagers par l'élargissement latérale, toujours en assemblant les flotteurs principaux longitudinaux (2) avec une distance de séparation transversale constante entre chaque deux adjacents d'entre eux, et aussi entre leurs plans respectifs de symétrie longitudinaux verticaux, caractérisés en outre en ce que les barres ou plaques longitudinales en forme d'U (3) sont jointes et entrecroisées à angle droit avec les deux flotteurs principaux longitudinaux (2) et des barres transversales (1) pour augmenter la résistance avec d'une triple union de ces trois éléments disposés dans trois plans horizontaux parallèles espectifs, étant chaque paire de telles barres ou plaques longitudinales en forme d'U (3) disposées au-dessus et entre chaque paire de flotteurs principaux longitudinaux (2) adjacents, chacune à l'un des deux côtés et symétriquement par rapport aux plans de symétrie longitudinaux verticaux des deux flotteurs principaux (2) adjacents et sur les barres transversales (1) au même temps, en reposant en contact avec et étant reliées à ces deux pièces, caractérisés en outre en ce que chaque barre ou plaque longitudinale en forme d'U (3) a son segment longitudinal rectiligne plus long disposé en direction longitudinale, en contact et relié perpendiculairement avec toutes les barres transversales (1) à une position transversale prédéfinie sélectionnée choisie, et son segments plus courts transversales jumeaux en reliant dans la direction transversale le segment longitudinal plus plong précédent aux flotteurs principaux (2) où ils sont reliés avec eux, en outre caractérisés en ce que ces trois pièces structurelles sont reliées par trois différents groupes de des vis ou des boulons verticales (7,13 et 16), dont chaque un joint mutuellement deux de ces types de pièces entre elles, et sont placés traversant des trous consécutifs verticaux en coïncidence (5, 6, 11, 12, 14 et 15) pratiqués dans les surfaces communes en contact.
  2. Éléments d'assemblage selon la revendication 1, caractérisés en ce que les barres transversales (1) et les barres ou plaques longitudinales en forme d'U (3) sont fixées sur ou près de la surface supérieure des flotteurs principaux longitudinaux (2) étant insérées dans des trous, des fentes ou des rainures transversales (4) et (10) qui traversent ces flotteurs principaux longitudinaux (2) complètement de côté à côté, avec la caractéristique que, dans toutes les barres ou plaques longitudinales en forme d'U (3) identiques, une fois ) déterminée la position transversale prédéfinie suffisante pour coupler son segment longitudinal principal plus long, la longueur de leurs segments transversaux jumeaux est suffit pour arriver exactement jusqu'à ce que le plan de symétrie vertical central du flotteur principal (2) avec lesquels ils sont reliés, de sorte que, dans ces flotteurs principaux longitudinaux (2) qui sont partagés entre deux passagers adjacents à les embarcations à deux ou plusieurs places, deux barres ou plaques longitudinales en forme d'U (3) identiques, deux plaques partagent ce flotteur principal longitudinal (2) avec exact raccord mais sans mutuelle interprenetration pour permettre l'assemblage, mais en même temps en mutuel contact pour permettre une coopération entre eux dans le renforcement de la structure des embarcations avec deux ou plusieurs places.
  3. Éléments d'assemblage selon la revendication 2, caractérisés en ce qu'il ya un certain nombre de vilebrequins identiques (21) égal au nombre de sièges, chacun avec une paire de pédales (25) et avec la même longueur entre les extrémités de ses bras (24) que la distance de séparation entre les plans de symétrie verticaux centraux de deux flotteurs principaux longitudinaux adjacents (2), avec la particularité que chaque vilebrequin (21) comporte deux roues à palettes identiques (22) lesquelles sont symétriquement insérées, empalées ou filetées par leurs centres respectifs dans la tige finale (26) de chaque bras (24) du vilebrequin (21) restant confinées dans les espaces libres qui demeurent entre les pédales (25) et chaque flotteur principal longitudinal (2) de l'embarcation à pédales.
  4. Éléments d'assemblage selon la revendication 1 et au moins une revendication des revendications 2 à 3, caractérisés en ce que les vilebrequins (21) ont leurs tiges finales (26) de leurs bras (24) terminés en une section transversale carrée ou polygonale, et aussi les roues à palettes (22) aux côtés ont un trou central (27) chacune d'elles avec la même section transversale intérieure, de sorte que les vilebrequins (21) et les roues à palettes (22) peuvent tourner jointes mais avec un assemblage facile, même si elles ne sont pas fixées mutuellement avec des épingles ou des vis.
  5. Éléments d'assemblage selon la revendication 1 et au moins une revendication des revendications 2 à 4, caractérisés en ce que les deux tiges finales (26) terminées en section transversale carrée ou polygonale qui appartiennent à chaque vilebrequin (21) sont insérées dans deux respectifs paliers ou des pièces mécanisées de symétrie cylindrique (30) en plastique à travers d'un trou central coaxial qui traverse chacune des deux complètement et de la même section transversale intérieure que les deux tiges finales (26) terminées en section transversale carrée ou polygonale qui appartiennent à chaque vilebrequin (21), de sorte que les deux pièces peuvent s'ajuster et s'attacher parfaitement, mais leur rotation relative est entravée, avec la caractéristique que la longueur des paliers ou des pièces de symétrie cylindrique (30) mécanisées en plastique est égale ou un peu inférieure à l'épaisseur de la ligne centrale transversale du flotteur principal horizontal longitudinal (2) à la position d'accouplement des vilebrequins (21).
  6. Éléments d'assemblage selon la revendication 1 et au moins une revendication des revendications 2 à 5, caractérisés en ce que chacun des paliers ou des pièces de symétrie cylindrique (30) est introduit à travers un trou cylindrique du même diamètre qui est pratiqué ou percé dans d'une autre pièce en forme de boîte (31), traversant complètement suivant toute la longueur de son axe principal, était la longueur de cette pièce en forme de boîte (31) la même ou un peu plus petite que l'épaisseur selon la direction transversale horizontale des flotteurs principaux longitudinaux (2) à la position d'accouplement des vilebrequins (21), safin qu'elles coïncident dans des fentes ou rainures (32) qui sont pratiquées transversalement dans la partie supérieure avant des flotteurs principaux longitudinaux (2) et qui, en raison de sa forme, empêchent leur prope rotation ainsi que leur déplacement ou sa perte possible selon les directions longitudinale et transversale, mais en permettant leur introduction par le haut pour le couplage du complet dispositif de propulsion.
  7. Éléments d'assemblage selon la revendication 1 et au moins une revendication des revendications 2 à 6, caractérisés en ce que chacun groupe de propulsion, chacun d'eux constitué par un vilebrequin (21), deux roues à palettes (22), et deux paliers ou pièces de symétrie cylindrique (30) qui peuvent rouler librement à l'intérieur de ses pièces en forme de boîte (31) de support respectives, est monté en laissant tomber passant de dessus pour placer ses extrémités dans leurs fentes ou rainures (32) respectives de support et réceptacle pratiquées dans la partie supérieure avant de chaque flotteur principal longitudinal (2), et est finalement verrouillé avec deux couvercles coulissants (33) qui les immobilisent et empêchent sa extraction ou sa perte vers le haut, ces couvercles coulissants (33) étant insérées et glissés le long des languettes ou guidages (34) pratiquées dans les flotteurs principaux longitudinaux (2) et fixées chacune avec au moins un boulon ou vis (35).
  8. Éléments d'assemblage selon la revendication 1 et au moins une revendication des revendications 2 à 7, caractérisés en ce que tous les groupes de propulsion peuvent être reliés entre eux côte à côte latéralement en série, pour permettre leur rotation dans un même ensemble parce que chaque paire de groupes de propulsion adjacente peut partager un palier ou pièce de symétrie cylindrique (30) et une pièce en forme de boîte (31) de support qui sont placées sur ceux flotteurs principaux (2) qui sont partagés par deux passagers aux embarcations à deux ou plusieurs places à pédales.
  9. Éléments d'assemblage selon la revendication 1 et au moins une revendication des revendications 2 à 8, caractérisés en ce que chaque flotteur principal longitudinal (2) a un safran (19) placé sur sa propre poupe, qui est fixé dans un axe de rotation vertical a l'intérieur d'un tube ou trou vertical (39) par un boulon ou vis (41), avec la particularité ce que le safran (19) présente une pièce supérieure avec la forme de deux poulies horizontales jumelles (42) dans planes parallèles, avec de plusieurs crochets ou anneaux (43) et bouchons de rotation (44), dont sa fonction est de connecter tous les safrans (19) de l'embarcation à pédales avec les chaînes ou cordes (45) et les synchroniser en parallèle dans le même angle de rotation
  10. Éléments d'assemblage selon la revendication 1 et au moins une revendication des revendications 2 à 9, caractérisés en ce que chaque flotteur principal longitudinal (2) a plusieurs trous pratiqués sur sa surface supérieure entre les barres transversales (1) et les couvercles coulissants (33) à l'avant, de sorte qu'ils permettent de fixer avec des vis (47) une seule colonnette verticale (46) sur le dessus d'un flotteur longitudinal principal longitudinal (2) choisi à l'embarcation à pédales pour supporter et permettre le déplacement longitudinal et la rotation d'un levier ou un volant (48) pour le contrôle de direction; lequel est placé en passant par l'intérieur de deux tubes supérieurs alignés (52) disposés dans la direction d'avance de l'embarcation.
  11. Éléments d'assemblage selon la revendication 1 et au moins une revendication des revendications 2 à 10, caractérisés en ce qu'il y a un levier ou un volant (48) relié à une tige ou barre droite (51) dont la section transversale est carrée ou polygonale et peut tourner et se déplacer longitudinalement par rapport à l'embarcation à l'intérieur des deux tubes alignés consécutifs (52) disposés dans la partie supérieure de la colonnette verticale (46), étant supportée et passant par l'interieur de deux tubes cylindriques ou roulements (53) avec un trou dont section transversale intérieure est la même que la tige ou barre droite (51) du levier ou volant (48) pour les traîner quand elle tourne, avec la particularité qu'il y ait un écart entre ces deux tubes cylindriques ou roulements (53) où une pièce en forme de bobine de symétrie cylindrique (54) est placée,ayant cette forme de bobine de symétrie cylindrique (54) un trou intérieur coaxial interne de la même section transversale intérieur qui les deux tubes cylindriques ou roulements (53) ont, et aussi deux anneaux ou crochets (49) pour attacher les cordes ou chains (49) pour le contrôle du safran (19).
  12. Éléments d'assemblage selon la revendication 1 et au moins une revendication des revendications 2 à 11, caractérisés en ce que les chaînes ou cordes (49) pour le contrôle du safran (19) passent protégées à l'intérieur de la colonnette verticale (46) qui supporte le levier ou volant (48), ainsi que par l'intérieur de guidages, tubes ou languettes (50) longitudinaux pratiquées dans les flotteurs principaux longitudinaux (2), et finissent à côté ou à proximité de la pièce supérieure avec la forme de deux poulies horizontales jumelles (42) placée au-dessus de l'essieu du safran (19) du même flotteur principal longitudinal (2), étant ces chaînes ou cordes (49) à égalité à la pièce supérieure avec la forme de deux poulies horizontales jumelles (42) ou au safran (19) en utilisant des noeuds, des anneaux ou des crochets (43).
  13. Éléments d'assemblage selon la revendication 1 et au moins une revendication des revendications 2 à 12, caractérisés en ce qu'il est possible de coupler, entre chaque paire de flotteurs longitudinaux principaux (2) adjacents et entourant les pédales (25) lesquels sont en prise avec le vilebrequin (21), mais en laissant à l'extérieur les roues à palettes (22), un petit flotteur avant (17) de faible tirant d'eau et une forme légère de proue, qui glisse au-dessus de la surface de l'eau, donnant flottation supplémentaire et en protégeant les pieds des passagers de l'eau, des vagues et des éclaboussures, avec la caractéristique que ce flotteur avant (17) peut être couplé par son déplacement horizontal à l'avant du pedalo, en glissant sous l'essieu du vilebrequin (21) sans heurter ou collisionner.
  14. Éléments d'assemblage selon la revendication 1 et au moins une revendication des revendications 2 à 13, caractérisés en ce que chaque flotteur avant (17) est fixé entre chaque paire de flotteurs principaux longitudinaux (2) adjacents avec une barre horizontale courbe (37) dont les bras sont courbés une quantité de 180°, en donnant une forme et apparence de lettre C ou de lettre U, avec la caractéristique que chacun de ces deux bras es introduit dans, glissé et arrêté dans un trou de la même section transversale intérieure qui est pratiqué ou percé le long de la direction d'avance du pedalo sur les couvercles coulissants (33) placées sur le dessus des deux flotteurs principaux longitudinaux (2) adjacents placés sur les deux côtés du flotteur avant (17) considéré.
  15. Éléments d'assemblage selon la revendication 1 et au moins une revendication des revendications 2 à 14, caractérisés en ce que l'arrière du flotteur avant (17) est fixé à deux barres courbées en forme de Z (38) de section transversale cylindrique, placées sur les deux côtés et symétriquement par rapport au plan vertical de symétrie longitudinale de chaque paire de flotteurs principaux longitudinaux (2) adjacentes, étant un des bras ou extrémités de chaque barre courbée en forme de Z (38) introduit dans un réceptacle tubulaire pratiqué ou percé transversalement sur chaque couvercle coulissant (33), à l'intérieur duquel cette barre courbée en forme de Z (38) peut pivoter pour introduire et fixer son autre bras libre dans une fente, rainure ou quelque d'autre dispositif de verrouillage pratiqué à l'arrière du flotteur avant (17) pour l'ancrer à la structure de flottaison principale du pedalo.
  16. Éléments d'assemblage selon la revendication 1 et au moins une revendication des revendications 2 à 15, caractérisés en ce qu'au moins un des flotteurs avant (17) comporte, sur son arrière, un creux intérieur ou une cavité de symétrie cylindrique ou similaire, qui est ouvert sur le dessus avec son axe principal disposé horizontalement et perpendiculairement par rapport à la direction d'avance du pedalo, avec la particularité ce qu'il permet la libre rotation des vilebrequins (21), les pédales (25) et les pieds des passagers logés à l'intérieur sans s'heurter ou collisionner.
  17. Éléments d'assemblage selon la revendication 1 et au moins une revendication des revendications 2 à 15, caractérisés en ce qu'au moins un des flotteurs avant (36) à ses côtés et /ou son arrière ouverts à l'eau, de sorte que les pieds des passagers peuvent s'introduire dans l'eau, et lequel comporte éventuellement une ou deux surfaces planes horizontales symétriques pour glisser au-dessus de l'eau.
EP07822879.8A 2006-08-01 2007-07-31 Éléments de montage et d'assemblage pour patins aquatiques mono ou biplace propulsés par des pédales et roues de palettes Not-in-force EP2070814B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200601880U ES1064408Y (es) 2006-08-01 2006-08-01 Elementos de montaje y union para patines acuaticos de una o varias plazas propulsados por pedales y ruedas de paletas.
PCT/ES2007/000471 WO2008023083A1 (fr) 2006-08-01 2007-07-31 Éléments de montage et d'assemblage pour patins aquatiques mono ou biplace propulsés par des pédales et roues de palettes

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EP2070814A1 EP2070814A1 (fr) 2009-06-17
EP2070814A4 EP2070814A4 (fr) 2012-09-12
EP2070814B1 true EP2070814B1 (fr) 2016-12-07

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Publication number Priority date Publication date Assignee Title
ES1065789Y (es) * 2007-06-04 2008-02-01 Leon Jose Nieto Pequeño patin acuatico monoplaza plegable, propulsado por pedales, transformable en carrito para su transporte
ES2405704B1 (es) 2010-09-11 2014-03-26 Jose Nieto Leon Conjunto de elementos de montaje y unión de embarcaciones y estructuras flotantes de construcción modular

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Publication number Priority date Publication date Assignee Title
FR1544093A (fr) Omnium Commercial Et Ind Medit Perfectionnements aux propulseurs nautiques et aux embarcations équipées de tels propulseurs
US2287706A (en) * 1941-09-02 1942-06-23 Elwood R Perry Bicycle boat
GB1441399A (en) * 1973-10-17 1976-06-30 Cox H C Water-borne devices
US6311632B1 (en) 1999-11-10 2001-11-06 Roland H. Noel, Jr. Portable pontoon craft
US6691633B1 (en) * 2002-08-20 2004-02-17 The Coleman Company, Inc. Pontoon paddle boat

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Publication number Publication date
ES2631153T3 (es) 2017-08-28
EP2070814A1 (fr) 2009-06-17
ES1064408Y (es) 2007-06-16
ES1064408U (es) 2007-03-16
WO2008023083A1 (fr) 2008-02-28
EP2070814A4 (fr) 2012-09-12

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