WO2014096470A1 - Véhicule à propulsion humaine pourvu d'un mécanisme de transmission actionné par les pieds - Google Patents

Véhicule à propulsion humaine pourvu d'un mécanisme de transmission actionné par les pieds Download PDF

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Publication number
WO2014096470A1
WO2014096470A1 PCT/ES2012/070901 ES2012070901W WO2014096470A1 WO 2014096470 A1 WO2014096470 A1 WO 2014096470A1 ES 2012070901 W ES2012070901 W ES 2012070901W WO 2014096470 A1 WO2014096470 A1 WO 2014096470A1
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WO
WIPO (PCT)
Prior art keywords
coupled
vehicle
transmission
pedals
guide
Prior art date
Application number
PCT/ES2012/070901
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English (en)
Spanish (es)
Inventor
Ramon MORETO VILAMAJO
Original Assignee
Moreto Vilamajo Ramon
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Moreto Vilamajo Ramon filed Critical Moreto Vilamajo Ramon
Priority to ES201490082A priority Critical patent/ES2535206B1/es
Priority to PCT/ES2012/070901 priority patent/WO2014096470A1/fr
Publication of WO2014096470A1 publication Critical patent/WO2014096470A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M1/00—Rider propulsion of wheeled vehicles
    • B62M1/24—Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers
    • B62M1/28—Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers characterised by the use of flexible drive members, e.g. chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K3/00—Bicycles
    • B62K3/002—Bicycles without a seat, i.e. the rider operating the vehicle in a standing position, e.g. non-motorized scooters; non-motorized scooters with skis or runners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/06—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising flexible members, e.g. an endless flexible member

Definitions

  • the present invention relates to a human-powered vehicle that is driven in the standing position, more particularly to a scooter, in the broadest sense, with a transmission mechanism that transmits to the rear wheel the power developed by the driver when driving. two pedals with your feet.
  • the most popular human propulsion vehicle is the bicycle.
  • the bicycles are propelled by operating with the feet a pair of pedals articulated with two cranks out of phase an angle of 180 e , so they have the limitation that each pedal has two dead points (top and bottom) in each cycle.
  • each pedal has two dead points (top and bottom) in each cycle.
  • the upper part of the body must be tilted forward, so that a good part of the weight rests on the saddle and handlebar, which often causes pain and discomfort in the arms, shoulders , the back and the pelvic region.
  • Recumbent bicycles alleviate some of the limitations of conventional bicycles, but their horizontal position makes them more difficult to handle and more dangerous, as they are less visible to other vehicles.
  • scooter Another vehicle of human propulsion is the scooter, which is propelled by pushing one foot against the ground while the other foot is kept on a platform fixed to the frame of the vehicle, so it is less stable than the bicycle and more tired to drive.
  • scooter propelled by means of pedals Another vehicle of human propulsion is the scooter propelled by means of pedals. These vehicles are driven in standing position and are propelled by the power developed by the driver operating with the feet one or two pedals, and, sometimes, also activating two levers with their hands. Its driving in a standing position, similar to the natural position used by humans to walk or run, makes them more ergonomic than the hunched position of the cyclist, eliminating the pain and physical ailments cited above.
  • Examples of vehicles propelled by means of two pedals with independent movement of one another, particularly with an oscillating rotary foot movement, are those described in the following patent documents: US 5121654, DE 4319104, US 6648355 and WO 2010 / 022903.
  • examples of vehicles propelled by means of two pedals whose movement is dependent on each other are those described in the following patent documents: WO 2002/030732 (with oscillating rotary foot movement), WO 2008 / 063499 (with elliptical foot movement), WO 2010/020726 (with continuous rotary foot movement) and WO 201 1/061 128 (with elliptical foot movement).
  • the object of the present invention is the production of a human propulsion vehicle driven in the standing position, propelled by means of two pedals, usable for exercise, fun or transport, which exceeds all limitations before mentioned and have an acceptable mechanical efficiency.
  • a human-powered vehicle comprising a frame, a steering mechanism coupled to the frame, a front wheel coupled to the steering mechanism, a rear wheel coupled to the frame and a transmission mechanism.
  • the transmission mechanism comprises:
  • a first and a second pedal located respectively on the right and left side of the vehicle, coupled to the frame by means of respective articulations provided at the front end of the pedals, allowing the pedals to rotate independently around an axis of rotation being able to adopt positions between a higher end position and a lower end position;
  • first and second transmission means distinguishing in each two ends, a lower one coupled to the rear part of a respective pedal and another upper one mechanically linked to a respective guide element;
  • the angular stroke of the rotary movement of the guide elements in the clockwise direction, according to a right side view of the vehicle comprises:
  • the force exerted by the feet of the driver of the vehicle on the pedals makes the pedals rotate downwards around their axis of rotation, displacing downwards the transmission means, which rotate in the clockwise direction the elements guide around the axis of rotation of the transmission shaft.
  • the front return mechanisms rotate the pedals upwards around their axis of rotation and the rear return mechanisms rotate the guide elements in the counterclockwise direction around the axis of rotation of the transmission shaft, displacing the transmission means upwards.
  • the freewheeling mechanisms convert the oscillating rotary movement of the guide elements into a continuous rotary movement of the transmission shaft, which the power transmission means transmits to the rear wheel to rotate it in the forward direction that drives the vehicle forward .
  • the transmission means act as connecting rods that at their bottom dead center act as lower stops of the pedals when they are in their lower extreme position, which prevents the pedals from impacting the pedal. frame to limit its rotating downward movement, providing a smoother pedaling in the final descent section of the pedals.
  • each of the pedals comprises an elongated element at the front end of which is the respective articulation of the pedal and in whose rear part there is provided a respective articulation that couples the pedal to the lower end of their respective means of transmission; and a respective platform, for the support of a corresponding foot, fixed to the elongated element.
  • the transmission shaft is located above the rear wheel and the transmission means are coupled to the rear end of the pedals and centered transversely therewith, so that during operation of the vehicle the transmission means are located behind the legs of the driver and not between them, which decreases the lateral separation between the two feet to more ergonomic values, significantly lower than those of a bicycle, and considerably reduces the lateral roll of the vehicle during pedaling, decreasing the fatigue of the driver produced by the effort made with his hands to control the swinging of the handlebar.
  • the guide elements comprise a toothed peripheral zone and the transmission means are chains which are coupled and guided, during the first angular stroke, in the toothed peripheral zone of the guide elements.
  • the rotating joints that connect the upper end of the chains to the guide elements are the joints that join the last two links of the upper end of the chains together, the last of these two links being fixed to the elements. guide by means of a screw, a nut and coupling means.
  • the guide elements are provided with anti-finger trapping chain protectors, to prevent accidents with the fingers of the hand.
  • the guide elements comprise a non-toothed peripheral zone and the transmission means are chains which are coupled and guided, during the first angular stroke, in the non-toothed peripheral zone of the guide elements.
  • the guide elements comprise a peripheral grooved area and the transmission means are chains, cables, ropes or belts that are coupled and guided, during the first angular stroke, in the peripheral grooved area of the elements guide.
  • the radius of the peripheral zone of the guide elements in which they are coupled and guided, during the first angular stroke, the transmission means of the previous embodiments is decreasing, so that the radius of the peripheral zone in the rotational joints of the guide elements with the transmission means is smaller than the radius of the peripheral zone at the initial point of contact of the guide elements with the transmission means when the pedals are in their upper end position .
  • each guide element comprises a peripheral peripheral zone
  • the transmission means are sets of articulated elements in which each assembly comprises a rigid base element coupled by a rotation joint to an extreme rigid element, each rigid element
  • the base comprises a peripheral peripheral zone which is coupled and guided, during the first angular stroke, in the peripheral peripheral zone of its respective guiding element, and each rigid base element is coupled, during the second angular stroke, to its respective guiding element by means of the Rotation joint that couples the guide element to the upper end of the transmission means.
  • each guide element comprises a peripheral peripheral zone
  • the transmission means are sets of articulated elements in which each assembly comprises a rigid intermediate element with one of its ends coupled by means of a rotation joint to an element rigid base and its other end coupled by an articulation of rotation to an extreme rigid element
  • the rigid base element and the intermediate rigid element of each set of articulated elements comprise respective peripheral peripheral areas that are coupled and guided, both areas or one of said zones, during the first angular stroke, in the peripheral peripheral zone of their respective guiding element
  • each rigid base element is coupled, during the second angular stroke, to its respective guiding element by means of the rotation joint which couples the guide element to the upper end of the transmission media n.
  • each of the rear return mechanisms comprises: - a pulley of constant radius or of decreasing radius fixed to its respective guide element and rotatable in solidarity with it;
  • traction spring with one end coupled to the flexible transmission element and its other end coupled to the frame.
  • each of the guiding elements to their respective freewheeling mechanism is carried out through a hollow cylindrical part fixed to the guiding element and provided with a channel, the channel assembly and hollow cylindrical part constituting the constant radius pulley in whose channel the flexible transmission element of the rear return mechanism is coupled; a unidirectional bearing is housed inside the hollow cylindrical part whose inner ring is coupled to the transmission shaft and whose outer ring is coupled to the hollow cylindrical part by a key; furthermore, a retaining ring for the lateral movement of the unidirectional bearing relative to the hollow cylindrical part is coupled to the inside of the hollow cylindrical part.
  • each of the rear return mechanisms comprises a helical or spiral torsion spring arranged around the axis of rotation of the transmission shaft, with one end coupled to its respective guide element and its other end Attached to the frame by a rigid element or a flexible transmission element.
  • the rear return mechanisms and the front return mechanisms are the same mechanism capable of acting as a rear return mechanism and as a front return mechanism.
  • it is the rear return mechanism that is also capable of acting as a front return mechanism.
  • each of the front return mechanisms comprises a tension or torsion spring, with one end coupled to the front part of its respective pedal and its other end coupled to the frame.
  • the power transmission means which transmit the power of the transmission shaft to the rear wheel, comprise:
  • Y - a pinion coupled to the rear wheel by an internal bushing change;
  • Y - a chain of transmission that transmits the power from the plate to the pinion, being able to be provided with a chain tensioner.
  • the frame comprises a base element that joins a front part with a rear part of the frame and is located below the pedals, which avoids obstacles between the feet, facilitates mounting and dismounting of the vehicle and provides greater safety and comfort of driving.
  • the frame comprises:
  • the frame comprises a first and a second upper stop for the first and second pedal, respectively, which prevent the pedals from exceeding their upper end position.
  • the frame comprises a first and a second lower safety stop for the first and second pedal, respectively, which limit the rotary downward movement of the pedals in the event of failure of the transmission mechanism.
  • the vehicle of the present invention overcomes all the limitations mentioned above, also providing the advantages discussed below: - the movement of the two pedals is independent of each other, so the driver can pedal by simultaneously or alternatively activating the two pedals, pedaling one pedal with one foot while keeping the other foot at rest on the other pedal, or not pedaling keeping both feet at rest on the pedals, which provides greater driving comfort;
  • the steering mechanism can comprise a folding element that allows the vehicle to be stored in vertical position occupying a surface of only 33 cm x 79 cm, similar to that of a folding bicycle, which facilitates its storage or transport;
  • the driving position of the vehicle is higher than that of a bicycle, so that the driver not only has better visibility of the traffic, but is also more visible to other vehicles;
  • the vehicle is driven in a standing position similar to that used by humans to walk or run, so its driving is more ergonomic than that of a bicycle driven in a sitting position, solving problems such as pain and discomfort in the arms, shoulders, back and pelvic region;
  • the vehicle is easy to drive and can be used by all kinds of people, including children and seniors, for exercise, fun or transportation.
  • FIG. 1 a is a perspective view, with a partial exploded view of elements, of an embodiment of the vehicle of the invention in which the guide elements comprise a toothed peripheral zone and the transmission means are chains;
  • FIG. 1 b is a side view showing the first and second angular stroke of the rotary movement in the clockwise direction of one of the guide elements of FIG. 1 a;
  • FIG. 2 is a perspective view of a partial exploded view of the vehicle transmission mechanism of FIG. 1 a;
  • FIG. 3 is a perspective view of the vehicle of FIG. 1 a with the pedals in their upper extreme position;
  • FIG. 4 is a perspective view of the vehicle of FIG. 1 a with the pedals in their lower extreme position and the guiding elements with chain guards;
  • FIGS. 5a, 5b, 5c, 5d and 5e are views in parallel projection of the movement of one of the guide elements of FIG. 1 a and its corresponding chain;
  • FIGS. 6a, 7a and 7b are schematic views of the sequence of the rotary movement of one of the guide elements in its first and second angular travel, when the radius of the peripheral zone of said guide element is constant (FIG. 6a) and when said radio follows a logarithmic spiral curve (FIGS 7a and 7b);
  • FIGS. 6b, 6c, 7c and 7d show the curves representing the evolution of the driving arm of one of the chains and the tensile force supported by it, in relation to the angular stroke of the guide elements of FIGS. 6a, 7a and 7b, respectively, with a constant moment on the transmission axis;
  • FIGS. 8a, 8b and 8c are perspective views of a first embodiment of one of the guide elements with their components shown assembled and exploded;
  • FIG. 8d is a perspective view of a second embodiment of one of the guide elements with cutting of its components;
  • FIGS. 9a and 9b are views in parallel projection of an embodiment of the transmission axis, showing the assembled elements that compose it and an exploded view of said axis, respectively;
  • FIGS. 10a and 10b are a view in parallel projection of a first embodiment of the articulation of one of the chains with its respective guide element, and its corresponding exploded view;
  • FIGS. 10c and 10d are a view in parallel projection of a second embodiment of the articulation of one of the chains with its respective guide element, and its corresponding exploded view;
  • FIG. 10e is a view of an embodiment like that of FIG. 10c with the difference that the guide element comprises a non-toothed peripheral zone;
  • FIGS. 1 1 a, 1 1 b, 1 1 c and 1 1 d are views in parallel projection of four embodiments of the articulation of one of the chains with its respective pedal;
  • FIGS. 12a, 12b, 12c, 12d and 12e are views in parallel projection of five embodiments of one of the rear return mechanisms
  • FIGS. 13a, 13b, 13c, 13d and 13e are views in parallel projection of five embodiments of one of the guide elements in which the first comprises a toothed peripheral zone, while the remaining comprise a peripheral grooved zone;
  • FIG. 14a is a partial view in parallel projection of an embodiment of the transmission mechanism in which the guide elements comprise a peripheral peripheral zone and the transmission means are assemblies of articulated elements comprising two rigid elements articulated in series;
  • FIG. 14b is a side view showing the first and second angular stroke of the rotary movement of one of the guide elements of FIG. 14 to;
  • FIGS. 15a, 15b, 15c, 15d and 15e are views in parallel projection of the movement of one of the guide elements of FIG. 14a and its corresponding set of articulated elements;
  • FIGS. 16a, 16b, 16c and 16d are views in parallel projection of an embodiment in which the transmission means are sets of articulated elements comprising three rigid elements hinged in series; Y
  • FIG. 17 is a perspective view of an embodiment of the vehicle frame.
  • the present invention comprises five preferred modes of embodiment of the vehicle 10 according to the following groupings of the elements (only illustrated in the figures the elements of the right side) comprised between the axis of rotation 24 of the pedals 16, 17 and the transmission shaft 54 of vehicle 10:
  • the preferred one is the first of those mentioned above, corresponding to the mechanism "pedal 16, 17 - chain 80, 81 - guide element 37, 38 with toothed peripheral zone 79 - freewheeling mechanism 58 , 59 ", which, like most bicycles, uses chains coupled to toothed elements as transmission media.
  • FIGS. 3 and 4 show a human-powered vehicle 10 to which the present invention refers, comprising:
  • a frame 1 1 which can be made with the same techniques and materials as a bicycle frame, such as tubes or profiles of aluminum alloy (6061 or 7005), steel (normal or Cromoly) or titanium joined by welding, or a single piece (monocoque) made of carbon fiber, and can be designed as illustrated in FIGS. 1 a, 3, 4 and 17, comprising a base element 1 1 1 which joins the front part with the rear part of the frame 1 1 and is located in the lower part of the frame 1 1, which avoids obstacles between the feet ;
  • a bicycle steering mechanism such as: a fork; steering bearings; a steering tube; a power; a handlebar (to which two handles can be attached, a front brake lever, a rear brake lever and a control to activate the change); a folding element 132 for turning the handle downwards and facilitating the storage or transport of the vehicle 10; and a telescopic element 133 for raising or lowering the height of the handlebar;
  • a front wheel 13 which can be a bicycle wheel, rotatably coupled to the steering mechanism 12;
  • a rear wheel 14 which can be a bicycle wheel, rotatably coupled to the frame 1 1;
  • FIGS. 1 and 2 show a partial exploded view of the transmission mechanism 15 of the vehicle 10 of FIGS. 3 and 4, which comprises:
  • Each pedal 16, 17 comprises a platform 18, 19 fixed to an elongate element
  • the elongated elements 20, 21, and can be formed by a single piece (carbon fiber monocoque) or by two pieces, in which case the elongated elements 20, 21 can be tubes or profiles of aluminum or steel alloy, and platforms 18, 19 can be pieces of resistant molded plastic joined by screws to the elongated elements 20,
  • the joints 22, 23 located at the front end of the pedals 16, 17 may comprise an axis 1 18 (see FIG 17) formed by a round tube which is fixed to the frame 1 1 and protrudes on both sides of the frame 1 1, around which friction or needle bearings are coupled whose outer ring is coupled to tubes attached to the front end of the elongated elements 20, 21 (see FIG. 2);
  • FIGS. 8c and 8d show two exemplary embodiments of the guide elements 37, 38 and FIGS. 10a, 10b, 10c and 10d show two embodiments of rotation joints 39, 40;
  • FIGS. 9a and 9b show an exemplary embodiment of said transmission shaft 54
  • Each rear return mechanism 41, 42 comprises in turn:
  • a flexible transmission element 46, 47 which can be a rope or a cable, which is coupled in the channel of the constant-radius pulley 43, 44;
  • traction spring 48 49 with one of its ends coupled to the flexible transmission element 46, 47 and its other end coupled to the frame 1 1;
  • FIGS. 8c, 8d, 9a and 9b are examples of embodiment of said coupling
  • a power transmission means 60 that transmits the power of the transmission shaft 54 to the rear wheel 14 and comprise:
  • a plate 61 which can be a bicycle plate, fixed to the transmission shaft 54 (see in FIGS 9a and 9b an example of said fixing);
  • transmission chain 64 which can be a bicycle chain, which transmits the power of the plate 61 to the pinion 62 and incorporates a chain tensioner 65.
  • the internal hub change 63 could be replaced by a hub with a free sprocket, a fixed sprocket or a pinion cassette.
  • FIG. 2 shows that the chains 80, 81 connect the pedals 16, 17 with the guide elements 37, 38 and during the pedaling move downwards 68 and upwards 69, converting the oscillating movement downwards 66 and upwards 67 of the pedals 16 17 around its axis of rotation 24 in a clockwise motion 70 and counter-clockwise movement 71 of the guide elements 37, 38 about the axis of rotation 57 of the transmission shaft 54.
  • the free-wheel mechanisms 58, 59 convert the movement rotary movement of the guide elements 37, 38 in a continuous rotary movement clockwise 70 of the transmission shaft 54, which is transmitted to the rear wheel 14 through the plate 61, the transmission chain 64 and the pinion 62, so as to rotate it in the forward direction 72 (clockwise in FIG 2) that drives the vehicle 10 forward.
  • FIG. 3 shows the vehicle 10 in its rest position, with the pedals 16, 17 in its upper end position.
  • FIG. 4 shows the vehicle 10 provided with chain guards 86, 87 coupled to the guide elements 37, 38, and with the pedals 16, 17 in their lower end position, in which the driver keeps his feet at rest.
  • FIG. 3 shows the vehicle 10 in its rest position, with the pedals 16, 17 in its upper end position.
  • FIG. 4 shows the vehicle 10 provided with chain guards 86, 87 coupled to the guide elements 37, 38, and with the pedals 16, 17 in their lower end position, in which the driver keeps his feet at rest.
  • the upper stop 128, 129 for each pedal 16, 17, in order to prevent the pedals 16, 17 from exceeding their upper end position.
  • the upper stops 128, 129 may comprise a rubber stop attached to an element fixed to the frame 1 1 by screws or welding.
  • the upper stops 128, 129 of the pedals 16, 17 could be replaced by other elements that perform the same function, such as ropes, articulated mechanisms or limiting mechanisms of the rotation of the joints 22, 23 of the pedals 16, 17.
  • FIG. 1 b shows the sequence of movement of the guide element 37 and the transmission means 31 of FIG. 1 a, the latter configured as a string 80 (see FIG 2).
  • FIGS. 5a, 5b, 5c, 5d and 5e show in greater detail the movement of the said elements.
  • the angular stroke of the rotary movement of the guide element 37 in the clockwise direction 70 according to a right side view of the vehicle 10, which occurs during the downward rotary movement 66 of the pedal 16 (see in FIG. 2 the counterclockwise rotation 66) , comprises a first angular stroke ⁇ and a second angular stroke ⁇ .
  • the chain 80 is coupled and guided in the toothed peripheral zone 79 of the guide element 37, engaging with its teeth, hence said area is not visible in FIG. 5a being covered by the chain 80.
  • the radius of the toothed peripheral zone 79 of the guide element 37 is decreasing, descending from the radius Ri (shown in FIG. 5a) of the toothed peripheral zone 79. at the initial point of contact of the guide element 37 with the chain 80 to the radius R 2 (shown in FIG. 5b) of the toothed peripheral zone 79 in the rotation joint 39 of the guide element 37 with the chain 80.
  • the chain 80 has left the peripheral toothed area 79 and is coupled to the guide element 37 only by the rotation joint 39, so that the guide element 37 it acts as a crank whose radius is R 2 and the chain 80 acts as a connecting rod that at its bottom dead center acts as the lower stop of the pedal 16 when it is in its lower extreme position (see FIGS 2 and 5e).
  • FIG. 5c shows the position of the chain 80 and the guide element 37 in which both elements go from being engaged to being coupled only by the rotation joint 39, the angle ⁇ corresponding to the angle rotated by the guide element 37 from the beginning of its rotary movement in the clockwise direction 70 (FIG 5a, identical position to that of the vehicle 10 at rest, shown in FIG 3) to the position indicated in FIG. 5c, and the angle ⁇ to the angle rotated by the guide element 37 from this latter position until the end of its rotational movement in the clockwise direction 70 (FIG 5e).
  • Different realizations are possible by modifying the values of the angular races ⁇ , ⁇ , the radii RR 2 and the curves following said radii.
  • FIGS. 5a-5e it is seen how the traction spring 48 of the rear return mechanism 41 is tensioned while the chain 80 moves down 68 and the guide element 37 rotates clockwise 70.
  • FIG. 5e shows that once the end of the rotational movement in the clockwise direction 70 of the guide element 37 is reached, the tension of the traction spring 48 of the rear return mechanism 41, through the flexible transmission element 46 and the constant radius pulley 43 (see FIGS.2 and 12a), the guide element 37 rotates counterclockwise 71, which moves the chain 80 upwards 69.
  • the guide element 37 does not describe a continuous rotary movement, but a rotating oscillating movement. similar to that of a seesaw.
  • FIG. 6a shows an embodiment in which the transmission means 31 are a chain 80, the guide element 37 comprises a toothed peripheral zone 79 of constant radius, the first angular stroke ⁇ comprises an angle of 100 e and the second angular stroke ⁇ It comprises an angle of 77 e , approximately.
  • first angular stroke ⁇ is comprised between 0 e and 360 e , approximately, that the second angular stroke ⁇ is comprised between 0 e and 180 e , approximately, or that the radius of the peripheral zone 79, 88, 89, 90, 91, 92 of the guide element 37 follow a logarithmic spiral, an Archimedean spiral, a golden spiral, an eccentric circumference or a convex curve formed by two or more circumferential arcs of decreasing radius in which the arcs are tangent to each other two by two.
  • a second angular run ⁇ comprised between 70 e and 90 e provides greater advantages (see FIGS 6a, 6b and 6c and FIGS 7a, 7b, 7c and 7d, comprising a second angular stroke ⁇ of 77 e and 86 e , respectively ).
  • the drive arm L of the chain 80 is indicated every 20 e of the angle of rotation ⁇ of the guide element 37 during the rotary movement in the clockwise direction thereof.
  • the drive arm L of the chain 80 is understood to be the minimum distance between the chain 80 and the axis of rotation 57 of the transmission shaft 54 around which the guide element 37 rotates, measured perpendicular to the chain 80 passing through it. cited axis of rotation 57.
  • FIG. 6b shows in coordinates a curve representing the evolution of the drive arm L (ordinate axis) of the chain 80, in relation to the angle of rotation ⁇ (abscissa axis) of the guide element 37 of FIG. 6a.
  • ⁇ abscissa axis
  • FIG. 6c shows in coordinates a curve representing the evolution of the tensile force F (ordinate axis) supported by the chain 80, in relation to the angle of rotation ⁇ (abscissa axis) of the guide element 37 of FIG. 6a, for the theoretical assumption of a moment M constant on the transmission shaft 54.
  • FIGS. 7a and 7b there is shown an embodiment in which the transmission means 31 are a chain 80, the guide element 37 comprises a toothed peripheral zone 79 whose radius follows a logarithmic spiral, the first angular stroke ⁇ comprises an angle of 180 e and the second angular stroke ⁇ comprises an angle of 86 e , approximately.
  • FIG. 7a shows the evolution of the drive arm L of the chain 80 during the first angular stroke ⁇ of the rotary movement clockwise 70 of the guide element 37, each 10 e of rotation angle ⁇ of the guide element 37.
  • FIG. 7b shows the evolution of the drive arm L during the second angular stroke ⁇ .
  • FIG. 7c shows in coordinates the evolution of the drive arm L (ordinate axis) of the chain 80, in relation to the angle of rotation ⁇ (abscissa axis) of the guide element 37 of FIGS. 7a and 7b.
  • ⁇ abscissa axis
  • FIG. 7d shows in coordinates the evolution of the tensile force F (ordinate axis) supported by the chain 80, in relation to the angle of rotation ⁇ (abscissa axis) of the guide element 37 of FIGS. 7a and 7b, for the theoretical assumption of a constant moment M on the transmission axis 54, already described in the explanation of FIG. 6c.
  • the values of F thus obtained show that during the final stretch of the second angular stroke ⁇ the tensile force F undergoes a greater increase than during the first angular stroke a.
  • FIGS. 8a, 8b and 8c show an exemplary embodiment of a guide element
  • FIG. 8a shows the elements once assembled.
  • the coupled assembly shown in FIG. 8a comprises the following exploded components (see FIGS 8b and 8c):
  • a guiding element 37 which can be made of aluminum alloy (6061 or 7005), have areas free of material 134 to lighten its weight and decrease its inertia, and have a hole 143 in which to engage the corresponding rotation joint 39 ;
  • a hollow cylindrical part 73 which can be of the same material as the guide element 37, fixed to it by means of screws, welding or forming a single piece; a channel 74 in the hollow cylindrical part 73, the channel assembly 74 and hollow cylindrical part 73 constituting the constant radius pulley 43 in whose channel 74 the flexible transmission element 46 of the corresponding rear return mechanism 41 is coupled (see FIG. 12a);
  • FIG. 8d shows a second exemplary embodiment of a guide element 37 comprising a toothed peripheral zone 79, coupled to its corresponding freewheel mechanism 58.
  • This coupling comprises:
  • a guide element 37 which can be made of aluminum alloy (6061 or 7005);
  • a hollow cylindrical part 144 which can be of the same material as the guide element 37, fixed to it by means of screws, welding or forming a single piece;
  • FIG. 8b shows in its lower part an embodiment of the articulation 35 of the chain 80 with the pedal 16.
  • the following components are observed:
  • a chain 80 which can be a BMX bicycle chain or a motorcycle chain, for example a reinforced "type 420" chain, having the same pitch as a bicycle chain and a breaking load of 19,000 Newtons, which makes possible a thickness of the guide element 37 of 6 mm, twice that of a chain of a BMX bicycle chain, considerably increasing its resistance;
  • coupling element 138 which can be a plate with the shape indicated in FIG. 8b, which couples the chain 80 to its respective articulation 35;
  • the articulation 35 represented comprises:
  • FIG. 9b shows an exploded view of an embodiment of the transmission shaft 54 and the elements that are coupled to it.
  • FIG. 9a shows the elements once assembled.
  • the coupled assembly shown in FIG. 9a comprises the following components shown in exploded view in FIG. 9b:
  • transmission shaft 54 which can be made of steel or aluminum alloy
  • a plate 61 which can be a bicycle plate, fixed to the support 149 by means of screws 150 and special nuts 151 for bicycle plates;
  • the unidirectional bearings 75, 76 could be press fit, as an alternative to their engagement by the keys 77, 152, 153 (FIGS 8c and 9b).
  • FIG. 10a and FIG. 10b show a first example of embodiment of the rotation joint 39 which couples the chain 80 to a guide element 37 with a toothed peripheral zone 79, comprising a screw 83, a nut 84 and coupling means 85 which in turn comprise washers 160, which fix to an orifice 143 in the guide element 37 the last link of the upper end of the chain 80 inserted in a concave zone between the teeth of the guide element 37, so that the rotation joint 39 is the linkage 82 itself joining the last two links of the upper end of the chain 80.
  • the coupling means 85 comprise steel plates 161 fixed on each side of the guide element 37 by means of screws 162 and nuts 163, which provides greater resistance to the coupling of the chain 80 with the guide element 37.
  • FIG. 10c and FIG. 10d show a second embodiment of the rotation joint 39 which couples the chain 80 to a guide element 37 with a toothed peripheral zone 79, comprising two steel plates 167; coupling means 165 coupling the plates 167 to a hole 166 in the guide element 37 and comprising a screw, a nut and washers; and coupling means 168 that engage the plates 167 to the chain 80 and comprise a screw, a nut and washers, whereby the rotation joint 39 is the joint 164 of the plates 167 with the coupling means 165.
  • FIG. 10e shows an embodiment in which the transmission means 31 is a chain 80, and the guide element 37 comprises a non-toothed peripheral zone 88 in which the chain 80 is coupled and guided during the first angular stroke a. without sliding relative to the guide element 37, because it is coupled to it by the rotation joint 39.
  • FIG. 11 shows a first embodiment of the articulation 35 of the chain 80 with the pedal 16 already described in FIG. 8b.
  • FIGS. 1 1 b, 1 1 c and 1 1 d show three other examples of embodiment of said joints 35 comprising a coupling element 170, 173, 175 which is fixed by screws or welding on the top or inside of the part rear of the elongate element 20; and coupling means 169, 172, 174 comprising a screw, a nut and washers, and coupling the last link of the lower end of the chain 80 to the coupling element 170, 173, 175.
  • the coupling element 170 (FIG 1 1 b) has a concave region in which it engages the last link of the lower end of the chain 80, whereby the aforementioned articulation 35 is precisely the articulation 171 joining together the last two links of the lower end of the chain 80.
  • FIGS. 12a and 12b show two embodiments of the rear return mechanism 41 comprising a tension spring 48, one end of which is coupled to the frame 1 1 by means of joining means 177 which in turn comprise a screw, a nut and washers, while its other end is coupled to a flexible transmission element 46, which may be a rope or a cable; a hollow cylindrical part 176, 178 fixed to the guide element 37, for example by welding or forming a single piece; and a constant radius pulley 43 (FIG.12a) or decreasing radius 45 (FIG.12b) which is fixed on the periphery of the hollow cylindrical part 176, 178 and guides the flexible transmission element 46.
  • a tension spring 48 one end of which is coupled to the frame 1 1 by means of joining means 177 which in turn comprise a screw, a nut and washers, while its other end is coupled to a flexible transmission element 46, which may be a rope or a cable
  • a hollow cylindrical part 176, 178 fixed to the guide element 37, for example
  • Constant radius pulley 43 can be replaced by a pinion guiding a transmission chain.
  • the decreasing radius pulley 45 decreases the arm of the force exerted by the tension spring 48 when the tension thereof increases when the pedal 16 is lowered (see FIG 2), which prevents the force exerted by the right foot to overcome the tension of the tension spring 48 undergoes a strong increase during the descent of the pedal 16.
  • FIGS. 12c and 12d show two embodiments of the rear return mechanism 41 comprising a rigid element 52 (FIG 12c), which may be an aluminum alloy bar, or a flexible transmission element 53 (FIG. 12d), which it can be a rope or a cable, coupled to the frame 1 1 by the joining means 177; a hollow cylindrical part 179, 181 fixed to the guide element 37; and a helical torsion spring 50 (FIG 12c) or coil 51 (FIG 12d) disposed about the hollow cylindrical part 179, 181, with one end coupled to the rigid element 52 and its other end coupled to the guide element 37 through a screw 180 (FIG.12c) or with one end coupled to the flexible transmission element 53 and its other end 182 coupled to a slot in the hollow cylindrical part 181 (FIG.12d).
  • a rigid element 52 (FIG 12c)
  • a flexible transmission element 53 FIG. 12d)
  • FIGS. 12c and 12d show two embodiments of the rear return mechanism 41 comprising a rigid element 52 (
  • FIG. 12e shows an embodiment of the rear return mechanism 41 comprising a first constant radius pulley 184 which is fixed to the guide element 37 by means of a hollow cylindrical part 183 and rotates integrally therewith; a variable radius pulley 186, preferably increasing, whose axis is articulated to the frame 1 1; a first flexible transmission element 185 with one end engaged in the first constant radius pulley 184 and its other end engaged in the variable radius pulley 186; a second pulley of constant radius 187 which is fixed to the variable radius pulley 186 and rotates with it around its axis; a second flexible transmission element 188 with one of its ends coupled to the second constant-radius pulley 187; and a traction spring 189 with one end coupled to the second flexible transmission element 188 and its other end coupled to the frame 1 1 by the attachment means 177.
  • a radius of the variable radius pulley 186 increases the arm of the first flexible element of transmission 185 when the tension of the tension spring 189 increases, preventing the tension of the first flexible transmission element 185 from increasing strongly, which prevents the force exerted by the right foot to overcome the tension of the tension spring 189 to experience a strong increase during the descent of the pedal 16.
  • the same result would be achieved by replacing the variable radius pulley 186 by a constant radius pulley 190 and the second constant radius pulley 187 by a variable radius pulley 191, preferably decreasing.
  • FIGS. 12a, 12b, 12c, 12d and 12e can act, in addition to rear return mechanisms 41, as front return mechanisms 25, replacing the latter if their springs 48, 50, 51, 189 are designed to overcome the weight of the pedal 16 and turn it upwards 67 (see FIG 2) at the necessary speed.
  • FIGS. 13b, 13c, 13d and 13e show four exemplary embodiments in which the guide element 37 comprises a peripheral grooved region 89, 90, 91, 92 of decreasing radius and the transmission means 31 is a chain 80 (FIG. 13b); a cable 93 (FIG 13c); a rope 94 (FIG 13d); and a belt 95 (FIG.13e), which are coupled and guided, during the first angular stroke a, in the grooved peripheral region 89, 90, 91, 92 of the guide element 37, and are engaged, during the second angular stroke ⁇ . , to the guide element 37 by means of the rotation joint 39.
  • the articulation 35 couples the chain 80, the cable 93, the cord 94 and the belt 95 to the pedal 16.
  • the articulations 35, 39 comprise the elements of the articulation 35 described in FIG. FIG. 8b.
  • the chain 80 is coupled to said articulations 35, 39 by means of the coupling elements 138 and attachment means 137 (FIG.13b) described in FIG. 8b; cable 93 by thimbles 192 and cable ties 193 (FIG 13c); rope 94 by thimbles 194 and knots 195 (FIG.13d); and the strap 95 by joining plates 196 and fixing screws 197 (FIG.13e).
  • the transmission mechanism 15 and the elements it comprises perform substantially the same function, in substantially the same way and produce substantially the same result whether the guide element 37 comprises a toothed peripheral zone 79 into which the chain 80 is coupled and guided ( FIG 13a), as if the guide element 37 comprises a peripheral grooved region 89, 90, 91, 92 in which the chain 80 (FIG 13b), the cable 93 (FIG 13c), and the chain are coupled and guided.
  • rope 94 (FIG.13d) or strap 95 (FIG.13e)
  • FIGS. 13a, 13b, 13c, 13d and 13e are "equivalent" to each other.
  • FIG. 14a shows an embodiment of the transmission mechanism 15 in which the guide elements 37, 38 comprise a peripheral surface area 96, the transmission means 31, 32 are sets of articulated elements 33, 34 comprising a rigid base element 97, 98 coupled by a rotation joint 99, 100 to a rigid end element 101, 102, and each of the front return mechanisms 25, 26 comprises a torsion spring 29, 30 arranged around the articulation 22, 23 of its respective pedal 16, 17, with one of its ends coupled to the front of its respective elongated element 20, 21 and its other end coupled to the frame 1 1.
  • Each base rigid element 97, 98 comprises a peripheral peripheral zone 103 which is coupled and guided, during the first angular stroke a, in the peripheral peripheral zone 96 of the guide elements 37, 38.
  • peripheral peripheral zone 96 of the guide elements 37, 38 of FIG. 14a is cylindrical, said peripheral peripheral zone 96 may take the form of other surfaces, such as, for example, one or more non-cylindrical flat or curved surfaces.
  • the freewheeling mechanisms 58, 59 are unidirectional bearings 75, 76, which may be coupled to their respective guide elements 37, 38 by a key 77 and a retaining ring 78 (see FIG 8c). The movement of the elements is similar to that described in FIG.
  • the sets of articulated elements 33, 34 connect the pedals 16, 17 with the guide elements 37, 38 and during the pedaling move downwards 68 and upwards 69, converting the oscillating movement downwards 66 and upwards 67 of the pedals 16, 17 about their axis of rotation 24 in oscillating movement in the clockwise direction 70 (counterclockwise in FIG.14a) and counterclockwise 71 (clockwise in FIG. 14a), according to a right side view of the vehicle 10, of the guide elements 37, 38 about the axis of rotation 57 of the transmission shaft 54.
  • FIG. 14b shows the sequence of movement of the guide element 37 and the transmission means 31 of FIG. 14a, the latter configured as a set of articulated elements 33.
  • FIGS. 15a, 15b, 15c, 15d and 15e show in greater detail the movement of the aforementioned elements.
  • the angular stroke of the rotary movement of the guide element 37 in the clockwise direction 70 according to a right side view of the vehicle 10, which occurs during the downward rotary movement 66 of the pedal 16 (see in FIG 14a the clockwise rotation 66) , comprises a first angular stroke ⁇ (see FIGS 14b and 15c) and a second angular stroke ⁇ (see FIGS 14b and 15c).
  • the peripheral peripheral zone 103 of the rigid base element 97 of the assembly of articulated elements 33 is coupled and guided in the peripheral surface area 96 of the guide element 37, maintaining both surface contact peripheral peripheral areas 103, 96.
  • the driving arm of the extreme rigid element 101 of the assembly of articulated elements 33 decreases from a driving arm (see FIG 15a) when the pedal 16 is in its extreme position top (see FIG. 14a) to an actuating arm L 2 (see FIG. 15a) corresponding to the position shown in FIG. 15c.
  • the peripheral peripheral zone 103 of the rigid base element 97 of the assembly of articulated elements 33 has left the peripheral peripheral zone 96 of the guide element 37 and said rigid base element 97. it is coupled to the guide element 37 only by means of the rotation joint 39, in such a way that the guide element 37 acts as a crank whose radius is L 2 and the set of articulated elements 33 acts as a connecting rod which at its bottom dead center acts as lower stop of pedal 16 when pedal is in its lower extreme position (see FIGS 14a and 15e).
  • FIG. 15c shows the position of the guide element 37 and the rigid base element 97 in which both elements pass from being coupled maintaining in surface contact their respective peripheral peripheral areas 103, 96 to be coupled only by the rotation joint 39, corresponding the angle ⁇ to the angle rotated by the guide element 37 from the beginning of its rotary movement in the clockwise direction 70 (FIG 15a) to the position indicated in FIG. 15c, and the angle ⁇ to angle rotated by the guide element 37 from this latter position until the end of its rotational movement in the clockwise direction 70 (FIG.15e).
  • Different embodiments are possible by modifying the values of the angular races ⁇ , ⁇ and the driving arms LL 2 of the extreme rigid element 101 of the assembly of articulated elements 33.
  • FIG. 1e shows that once the end of the rotational movement in the clockwise direction of the guide element 37 is reached, the tension of the traction spring 48 of the rear return mechanism 41, through the flexible transmission element 46 and the constant radius pulley 43 (see FIGS.14a and 12a), the guide element 37 rotates counterclockwise 71, which moves upwardly the set of articulated elements 33.
  • FIGS. 16a, 16b, 16c and 16d show the sequence of movement of a guide element 37 comprising a peripheral surface area 96 and a set of articulated elements 33 comprising an intermediate rigid element 104 with one of its ends coupled by a rotation joint 105 to a rigid base member 106 and its other end coupled by a pivot link 107 to a rigid end member 108.
  • the rigid base member 106 and the intermediate rigid member 104 of the articulated member assembly 33 comprise respective peripheral surface areas 1 09, 1 10 (see FIG 16d).
  • the rigid base element 1 06 is coupled to the guide element 37 by the rotation joint 39 and the end rigid element 108 is coupled to the pedal 16 by the link 35.
  • the angular stroke of the rotary movement of the guide element 37 in the clockwise direction 70 comprises a first angular stroke ⁇ (see FIG 1 1 6c) and a second angular travel ⁇ (see FIG 16c).
  • the peripheral peripheral zone 109 of the rigid base element 106 of the assembly of articulated elements 33 has left the peripheral peripheral zone 96 of the guide element 37 and said base rigid element 106 is coupled to the guide element 37 only by means of the rotation joint 39, in such a way that the guide element 37 acts as a crank whose radius is L 2 and the set of articulated elements 33 acts as a connecting rod which at its point The lower dead end acts as the lower stop of the pedal 16 when it is in its lower extreme position (see FIG 16d).
  • FIG. 16c shows the position of the guide element 37 and the assembly of articulated elements 33 in which both elements pass from being coupled, maintaining in surface contact their respective peripheral surface areas 96, 109 to be coupled only by means of the rotation joint 39, the angle ⁇ corresponding to the angle rotated by the guide element 37 from the start of its rotary movement in the clockwise direction 70 (FIG 16a) to the position indicated in FIG. 16c, and the angle ⁇ to the angle rotated by the guide element 37 from this latter position until the end of its rotary movement in the clockwise direction 70 (FIG 16d).
  • Different embodiments are possible by modifying the values of the angular races ⁇ , ⁇ and the drive arms L 1 5 L 2 of the end rigid element 108 of the assembly of articulated elements 33.
  • FIG. 16d shows that once the end of the rotational movement in the clockwise direction of the guide element 37 is reached, the tension of the traction spring 48 of the rear return mechanism 41, through the flexible transmission element 46 and the constant radius pulley 43 (see FIGS 2 and 12a), the guide element 37 rotates counterclockwise 71, which moves upwards the set of articulated elements 33 upwards.
  • each set of articulated elements 33, 34 could comprise more than three rigid elements, but their construction and operation would be more complex.
  • each set of articulated elements 33, 34 could comprise a single rigid element, in which case the guide elements 37, 38 would be configured as cranks and the sets of articulated elements 33, 34 would be configured as connecting rods coupled to the guide elements 37, 38 by means of the rotation joints 39, 40 and coupled to the pedals 16, 17 by means of the articulations 35, 36.
  • the angular stroke of the guide elements 37, 38 would only comprise the second angular stroke ⁇ .
  • FIG. 17 shows an embodiment of the frame 1 1 comprising the following elements, already described above: a steering tube 1 12 to which the bearings 1 13, 1 14 of the steering mechanism 12 are coupled; a base element 1 1 1; one or two front curved tubes 1 15, 1 16; two upper stops 128, 129 for the pedals 16, 17; a front transverse tube 1 17 to which the axle 1 18 of the articulations 22, 23 of the pedals 16, 17 is coupled; a support 1 19 for the front transverse tube 1 17; a rear transverse tube 120; a rear curved tube 121; two ferrules 122, 123; two lower braces 124, 125; two upper straps 126, 127; and two lower stops 130, 131 which act as safety elements and may comprise rubber stops or compression springs.
  • one or two front curved tubes 1 15, 1 16 and a rear curved tube 121 passing through a base element 1 1 1 pierced from one side to the other and welded thereto on each of said sides provides a frame 1 1 more robust.
  • Coupled used in the description and the claims should not be construed as limiting direct connections between elements only, so it may also comprise connections that include intermediate elements between the coupled elements. Furthermore, the term “coupled” does not necessarily mean “in a fixed position or relationship” since it may include connections that allow a relative movement between the coupled elements. It is also noted that the term “elongate element” used in the description and the claims should not be construed as limiting elements with rectilinear forms only, whereby said expression may include elements with other shapes that comply with being longer than wide.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

Véhicule à propulsion humaine comprenant un châssis, un mécanisme de direction, une roue avant, une roue arrière et un mécanisme de transmission qui comprend deux pédales tournant indépendamment autour d'un axe de rotation entre une position d'extrémité supérieure et une position d'extrémité inférieure ; des moyens de transmission avec une extrémité inférieure accouplée à la partie arrière d'une pédale respective ; des éléments guides qui, lors d'une première course angulaire (α) de leur mouvement rotatif dans le sens des aiguilles d'une montre, guident les moyens de transmission respectifs et, lors d'une seconde course angulaire (β), sont articulés à leur extrémité supérieure ; un mécanisme de retour avant pour chaque pédale ; un mécanisme de retour arrière pour chaque élément guide ; des mécanismes de roue libre accouplés aux éléments respectifs guides et à un axe de transmission ; et des moyens de transmission de puissance de l'axe de transmission à la roue arrière.
PCT/ES2012/070901 2012-12-21 2012-12-21 Véhicule à propulsion humaine pourvu d'un mécanisme de transmission actionné par les pieds WO2014096470A1 (fr)

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ES201490082A ES2535206B1 (es) 2012-12-21 2012-12-21 Vehículo de propulsión humana con mecanismo de transmisión accionado por los pies
PCT/ES2012/070901 WO2014096470A1 (fr) 2012-12-21 2012-12-21 Véhicule à propulsion humaine pourvu d'un mécanisme de transmission actionné par les pieds

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PCT/ES2012/070901 WO2014096470A1 (fr) 2012-12-21 2012-12-21 Véhicule à propulsion humaine pourvu d'un mécanisme de transmission actionné par les pieds

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018034466A1 (fr) * 2016-08-17 2018-02-22 홍석수 Vélo
US11052965B2 (en) 2016-08-17 2021-07-06 Seok Su Hong Bicycle
EP4289714A1 (fr) * 2022-06-07 2023-12-13 Tuleap S.L. Véhicule, en particulier un scooter

Citations (9)

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Publication number Priority date Publication date Assignee Title
FR1054942A (fr) * 1952-02-28 1954-02-15 Dispositif de transmission pour bicyclettes ou véhicules analogues avec suppressiondu point mort de l'organe moteur
US5121654A (en) 1990-09-04 1992-06-16 Hector G. Fasce Propulsion and transmission mechanism for bicycles, similar vehicles and exercise apparatus
DE4319104A1 (de) 1993-06-04 1994-12-08 Diethard Moeller Antrieb für mit Muskelkraft getriebene Fahrzeuge, wie Roller und Fahrräder im weitesten Sinn, die im Verkehrs-, Sport- und Spielbereich genutzt werden
WO2002030732A1 (fr) 2000-10-13 2002-04-18 Goldbike-Indústria De Bicicletas, Lda Velo-step
US6648355B2 (en) 2002-04-10 2003-11-18 Craig S. Ridenhour Step driven bicycle apparatus
WO2008063499A1 (fr) 2006-11-21 2008-05-29 Bryan Pate Véhicule autopropulsé, propulsé par un groupe motopropulseur elliptique
WO2010020726A1 (fr) 2008-08-20 2010-02-25 Dreamslide Pedalier compact
WO2010022903A1 (fr) 2008-09-01 2010-03-04 Graditech Entwicklungs Gmbh Mécanisme d'entraînement pour véhicule en mesure d'être propulsé par une force musculaire, et véhicule
WO2011061128A1 (fr) 2009-11-20 2011-05-26 Wolfgang Eisenberg Appareil de fitness

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1054942A (fr) * 1952-02-28 1954-02-15 Dispositif de transmission pour bicyclettes ou véhicules analogues avec suppressiondu point mort de l'organe moteur
US5121654A (en) 1990-09-04 1992-06-16 Hector G. Fasce Propulsion and transmission mechanism for bicycles, similar vehicles and exercise apparatus
DE4319104A1 (de) 1993-06-04 1994-12-08 Diethard Moeller Antrieb für mit Muskelkraft getriebene Fahrzeuge, wie Roller und Fahrräder im weitesten Sinn, die im Verkehrs-, Sport- und Spielbereich genutzt werden
WO2002030732A1 (fr) 2000-10-13 2002-04-18 Goldbike-Indústria De Bicicletas, Lda Velo-step
US6648355B2 (en) 2002-04-10 2003-11-18 Craig S. Ridenhour Step driven bicycle apparatus
WO2008063499A1 (fr) 2006-11-21 2008-05-29 Bryan Pate Véhicule autopropulsé, propulsé par un groupe motopropulseur elliptique
WO2010020726A1 (fr) 2008-08-20 2010-02-25 Dreamslide Pedalier compact
WO2010022903A1 (fr) 2008-09-01 2010-03-04 Graditech Entwicklungs Gmbh Mécanisme d'entraînement pour véhicule en mesure d'être propulsé par une force musculaire, et véhicule
WO2011061128A1 (fr) 2009-11-20 2011-05-26 Wolfgang Eisenberg Appareil de fitness

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018034466A1 (fr) * 2016-08-17 2018-02-22 홍석수 Vélo
US11052965B2 (en) 2016-08-17 2021-07-06 Seok Su Hong Bicycle
EP4289714A1 (fr) * 2022-06-07 2023-12-13 Tuleap S.L. Véhicule, en particulier un scooter
WO2023237280A1 (fr) 2022-06-07 2023-12-14 Tuleap S.L. Trotinette

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ES2535206A2 (es) 2015-05-06
ES2535206B1 (es) 2016-01-22

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