WO2023007259A1 - Tricyle - Google Patents

Tricyle Download PDF

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Publication number
WO2023007259A1
WO2023007259A1 PCT/IB2022/054421 IB2022054421W WO2023007259A1 WO 2023007259 A1 WO2023007259 A1 WO 2023007259A1 IB 2022054421 W IB2022054421 W IB 2022054421W WO 2023007259 A1 WO2023007259 A1 WO 2023007259A1
Authority
WO
WIPO (PCT)
Prior art keywords
tubular
wheeled bicycle
hub
correspondence
rod
Prior art date
Application number
PCT/IB2022/054421
Other languages
English (en)
Inventor
Annio VIGGIANI
Original Assignee
Viggiani Annio
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 Viggiani Annio filed Critical Viggiani Annio
Publication of WO2023007259A1 publication Critical patent/WO2023007259A1/fr

Links

Classifications

    • 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
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
    • B62K5/02—Tricycles
    • 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
    • B62K3/005—Recumbent-type bicycles
    • 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
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
    • B62K5/02—Tricycles
    • B62K5/05—Tricycles characterised by a single rear wheel
    • 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
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
    • B62K5/08—Cycles with handlebars, equipped with three or more main road wheels with steering devices acting on two or more wheels
    • 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
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
    • B62K5/10—Cycles with handlebars, equipped with three or more main road wheels with means for inwardly inclining the vehicle body on bends
    • 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
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/80—Accessories, e.g. power sources; Arrangements thereof
    • B62M6/85—Solar cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J17/00—Weather guards for riders; Fairings or stream-lining parts not otherwise provided for
    • B62J17/02—Weather guards for riders; Fairings or stream-lining parts not otherwise provided for shielding only the rider's front
    • B62J17/04—Windscreens
    • 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
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/40—Rider propelled cycles with auxiliary electric motor

Definitions

  • the present invention is related to a three-wheeled bicycle.
  • the present invention is related to a three-wheeled bicycle comprising components optimized to combine practicality, ease of use and reduced dimensions.
  • the reference technical field relates of mobility by means of pedal vehicles, possibly with pedal assistance, designed for amateur purposes and free time.
  • Pedaling is an activity that allows to combine leisure and maintain a good physical shape, since it is healthy for the heart, lowers the blood pressure and provides a conspicuous tone to the physique of users who dedicate themselves to such a practice.
  • JP2010042710A discloses a bicycle having two front wheels with high stability characteristics, comprising a frame upright, a handlebar axis supported so as to steer on the aforementioned frame upright, left and right bars in correspondence with the fork which rotatably support the left and right front wheels, connected in parallel.
  • Two further bars respectively upper and lower, connect the aforementioned left and right bars and are interconnected so as to hinge the axis of the handlebar to the central part of each of said further bars.
  • the bicycle also includes spring means that provide a return force in a direction that prevents changes in height position between the front wheel shafts, shafts that are interposed between the left and right bars and the axis of the handlebar.
  • a second technical solution represented by the patent application IT2008GE00052 describes a bicycle provided with a pair of front steering wheels having their rotation axes parallel to each other and perfectly aligned.
  • a steering unit is described in which a rotation of the handlebar and fork directly corresponds to a rotation of the two front wheels, integral and rigidly constrained to a single central rod that transmits the rotation movement to the handlebar itself.
  • the steering unit comprises a central rod to which the handlebar is coupled so that such a rod performs the same rotational movements imposed on the aforementioned handlebar, while pins are obtained in an intermediate position of this rod, on each of which being constrained in an articulated way a bar.
  • the latter is linked at the ends, in an articulated way and by means of further pins, to support brackets for the front wheels.
  • the central rod has a support element, constrained on the top of the fork, made in the shape of an inverted "U".
  • the Italian patent application IT2013RM006 discloses a three-wheeled bicycle that allows to overcome the technical problem of bulk and weight, in particular at the front portion.
  • the three-wheeled bicycle comprises a first device, supporting the pair of front wheels, having a main portion, preferably tubular, which can be connected to the main frame of the bicycle itself, an arm supporting the first front wheel and a further arm supporting the second front wheel.
  • the two arms are connected to the main portion so that they can rotate, and the first device is able to assume a first configuration of minimum overall dimensions in which the aforementioned arms are rotated so as to be close to a main development surface of the bicycle frame and to the main portion, and a second travel configuration, in which the arms are deployed so as to distance the two front wheels from the main development surface of the frame.
  • Both of the two front wheels have a motor built into the hub and are characterized in that they also include a gyroscopic sensor and a controller, with the first one being used to generate a signal of the vehicle chassis roll angle and send it to the controller, which compares such a signal with a set value and adjusts each of the internal wheel motors accordingly to vary their speed and direction of rotation, changing the center of gravity of the frame and automatically creating the balance and stability of the three-wheeled vehicle.
  • the patent application EP2635484A2 discloses a tilting devices suitable to vehicles that are free to tilt and be steered, apt to let them lean when driving and to keep them standing when stopped only by means of their brakes, or the like. These vehicles are characterized in that, due to a suitable tilt axis inclination with reference to the ground and to a proper combination and proportion of parts, any lateral rotation around the tilt axis of the of the tilting vehicle is kinematically linked to a differential longitudinal displacement of at least two wheels. In this way, the tilting vehicle can effectively be kept standing when stopped and can be parked perpendicular to the ground and crosswise a slope of at least 15% by simply operating the brakes of the vehicle and without further locking devices.
  • Such known three-wheeled bicycles suffer from the issue of being bulky and uncomfortable while driving, due to the position of the seat with respect to the ground and pedals, as well as being hardly usable by elderly or mobility impaired people.
  • the scope of the present invention is to provide a three-wheeled bicycle with limited bulk and a comfortable and practical seat, therefore having characteristics so as to overcome the limits that still affect the current three wheeled bicycles, with reference to the known technique.
  • a further purpose of the present invention is to provide a three-wheeled bicycle which is particularly practical to use for elderly and/or mobility impaired persons.
  • a further scope of the present invention is to provide a three-wheeled bicycle that is able to easily cover long distances.
  • a three-wheeled bicycle is provided, as defined in claim 1.
  • - figure 1 shows a disassembled schematic view of a three-wheeled bicycle, according to the invention
  • - figure 2 shows a disassembled schematic view of the frame of the three-wheeled bicycle, according to the invention
  • FIG. 3 shows an overall schematic view of the three wheeled bicycle, according to the invention.
  • a three-wheeled bicycle is shown, according to the invention.
  • the three-wheeled bicycle 100 comprises a frame 101 comprising: - a first portion 101a, rear, comprising a tubular rod lOlaa provided in correspondence with a first end with a tubular portion lOlab, and with a fork element lOlac fixed to the tubular rod lOlaa in correspondence with a second end, opposite to the first end of the tubular rod lOlaa itself;
  • a second portion 101b intermediate, comprising a pair of lateral tubular rods lOlbb, mutually constrained at respective ends, and a central tubular rod lOlba connected to the pair of lateral tubular rods lOlbb, in a raised position with respect to the lateral tubular rods lOlbb and having axis parallel to the bisector of the angle formed by the lateral tubular rods lOlbb;
  • a third portion 101c, front comprising a tubular element lOlca comprising in correspondence with a first end a first hub lOlcb able to engage, in correspondence with opposite ends, respectively a first pedal crank provided with a first pedal and a second pedal crank provided with a second pedal.
  • the lateral tubular rods lOlbb form an angle comprised between 70° and 110°, and preferably equal to 90°, with respect to the respective ends to which they are mutually constrained.
  • a wheel hub able to fix and support a rear wheel of the three-wheeled bicycle 100, can be placed and fixed.
  • the axis of the first hub lOlcb is orthogonal to the axis of the tubular element lOlca.
  • the central tubular rod lOlba has a section greater than the section of the tubular portion lOlab of the first portion 101a, which in turn has a section greater than the section of the tubular element lOlca.
  • the tubular element lOlca is configured to internally cross, during the assembly phase of the frame 101, the central tubular rod lOlba of the second portion 101b starting from a first end of the aforementioned central tubular rod lOlba.
  • the tubular portion lOlab of the first portion 101a is configured to internally cross the central tubular rod lOlba starting from a second end, opposite to the first end, of the aforementioned central tubular rod lOlba.
  • the tubular element lOlca in correspondence with an end lOlca', is configured to slide inside the tubular portion lOlab.
  • the aforementioned sliding of a portion of the tubular element lOlca within an initial section of the tubular portion lOlab is telescopically adjustable within an excursion of about 10 cm and can be fixed, once a desired position has been reached, by means of clamping means, for example screws or clamping nuts.
  • the sliding of the tubular portion lOlab inside the central tubular rod lOlba is stopped by a cylindrical stop lOlab' coaxial to the tubular rod lOlaa and having a section greater than the section of the central tubular rod lOlba.
  • the three wheeled bicycle 100 or "Y-bike” due to the particular shape of the frame 101, comprises, between the two arms of the fork element lOlac and integral with the hub of the rear wheel, pinions connected to a gearbox of the three-wheeled bicycle 100, with each of said pinions that alternately engages the chain following a manual command provided by a user.
  • the second portion 101b comprises, in correspondence with the free ends of the lateral tubular rods lOlbb, respectively a second hub lOlbc and a third hub lOlbc', both having an axis forming an angle between 4° and 6°, preferably equal to 5°, with respect to an axis orthogonal to a plane comprising the axes of the lateral tubular rods lOlbb.
  • the aforementioned range of angles allows to increase the stability of the three-wheeled bicycle 100.
  • the two hubs lOlbc and lOlbc ' are able to fix, respectively and by means of bolts, a first fixing bracket 104 for a left front wheel and a second fixing bracket 104' for a right front wheel of the three-wheeled bicycle 100.
  • the second hub lOlbc and the third hub lOlbc' are provided with respective bearings.
  • the second portion 101b comprises, in correspondence with the junction point of the lateral tubular rods lOlbb, at a position lower than the junction point itself and fixed, preferably welded, a further tubular element lOlbd, parallel to the central tubular rod lOlba.
  • a fourth hub lOlbe having an axis orthogonal to the axis of the further tubular element lOlbd, is fixed to the aforementioned further tubular element lOlbd in correspondence with one of its two ends.
  • a handlebar 103 is engaged by means of a further fixing bracket 105.
  • such a handlebar 103 of the three-wheeled bicycle 100 comprises, in correspondence with two of its ends, respectively a left and a right hand lever, both including the respective control means of a front brake.
  • a first and a second telescopic metallic tie rod are also engaged, connected respectively to the left front wheel and to the right front wheel and which allow to transmit a steering direction, applied by the user by means of the handlebar 103, to the left and right front wheels themselves.
  • the central tubular rod lOlba, the tubular rod lOlaa and the tubular element lOlca, once connected in series, are perfectly coaxial.
  • the first portion 101a includes a longitudinal bracket lOlad, fixed above the tubular rod lOlaa and having an axis parallel to the axis of the aforementioned tubular rod lOlaa.
  • the longitudinal bracket lOlad is able to fix, in correspondence with an upper portion, a seat 102, configured to support the user driving the three-wheeled bicycle 100.
  • the seat 102 is able to slide, by means of a sliding mechanism positioned in correspondence with a lower portion of the same seat 102, along the aforementioned longitudinal bracket lOlad.
  • the user driving the three-wheeled bicycle 100, seated on the seat 102 is positioned at a height from the ground comprised between 42 and 54 cm, preferably equal to 48 cm.
  • the longitudinal bracket lOlad configured to fix the seat 102 to the frame 101, is raised with respect to the tubular rod lOlaa by a distance comprised between 5 cm and 10 cm, preferably equal to 7 cm.
  • each of the two lateral tubular rods lOlbb has a length comprised between 45 cm and 55 cm, preferably equal to 50 cm.
  • the frame 101 which, as mentioned, has substantially the shape of a "Y”, has a preferential length equal to 130 cm, variable around such a measure due to the telescopic adjustment of the tubular element lOlca within the aforementioned longitudinal excursion of about 10 cm.
  • the three wheeled bicycle 100 comprises at least one battery. According to another aspect of the invention, the three wheeled bicycle 100 comprises photovoltaic modules able to recharge the aforementioned battery.
  • the three wheeled bicycle 100 comprises a windshield fixed to the frame 101 and configured for housing the photovoltaic modules.
  • the handlebar 103 is adjustable with regard to height and angle.
  • the two front wheels are provided with a disc brake.
  • a corresponding calliper of the disc brake is provided in correspondence with the first and second fixing bracket 104, 104' of the left and right front wheels.
  • the rear wheel is provided with a disc brake or with a bicycle brake.
  • the seat 102 and the handlebar 103 are in positions lowered with respect to the known bicycles, substantially in axis with the front wheels and with the rear wheel.
  • the front wheels and the rear wheel have a preferential size of about 24 inches.
  • the frame 101 of the three-wheeled bicycle 100 is made of stainless steel or aluminum.
  • the third portion 101c representing the front portion of the frame 101, is telescopically adjustable with respect to the first portion 101a, or rear portion of the frame 101 itself, by sliding the tubular element lOlca.
  • the first portion 101a in use, is able to incline laterally in the turns, both to the left and to the right and with a maximum inclination on both sides of about 45°, referred to the angle between the diameter of the rear wheel and an axis orthogonal to a plane comprising the axes of the lateral tubular rods lOlbb, thanks to the user who pivots on the handlebar 103 by manually directing such inclinations to the left and to the right, and to the concurrent rotation of the tubular portion lOlab within the central tubular rod lOlba, which acts as a hinge element.
  • the three wheeled bicycle 100 comprises limit switch means fixed to the tubular portion lOlab, made for example by means of a metallic prism provided with stops, structurally similar to a weathervane, that are able to constrain the aforementioned lateral inclination of the first portion 101a in the turns, within the maximum angle of approximately 45°, both to the left and to the right.
  • the three wheeled bicycle 100 comprises a chain tensioner able to adjust the extension of the chain following the telescopic adjustment of the second portion 101b with respect to the third portion 101c, and to avoid any contact of the same chain with the frame 101 during the lateral inclinations in the turns of the first portion 101a.
  • the three- wheeled bicycle 100 comprises adjustable tie-rods, adjustable for example using screws or pins, useful for inexperienced users so as to block the lateral inclination given by the aforementioned rotation of the tubular portion lOlab inside the central tubular rod lOlba.
  • the three wheeled bicycle 100 comprises further elastic tie-rods adapted to keep erect the bicycle itself when not in use, with the axis of the hub of the rear wheel parallel to a supporting surface of the bicycle, for example standstill in a parking position.
  • the frame 101 may be applied to a three- wheeled motorcycle, adding the advantage of the stability to the dynamicity and fun typical of a motorcycle.
  • the block of the lateral inclination is useful for elderly or mobility impaired users who may be subject to position instability, as a result of the aforementioned lateral inclination.
  • the elastic tie rods designed to keep erect, when not in use, the three wheeled bicycle 100, ease the user's seat while driving during the starting phase.
  • the three wheeled bicycle 100 comprises an electrical motor connected and served by the battery.
  • the three- wheeled bicycle 100 can take advantage of an assisted pedaling by means of the electrical motor, the photovoltaic modules and the battery.
  • the telescopic adjustment configured to slide the second portion 101b with respect to the third portion 101c, allows to adjust the distance of the user from the first and second pedal, so as to achieve an optimal driving position.
  • the three- wheeled bicycle 100 is particularly useful for mobility impaired users.
  • the three wheeled bicycle 100 allows to comfortably cover long distances.
  • the set-up of the three-wheeled bicycle 100 allows to give a vigorous pedaling, compared to a typical bicycle, thanks to the seat that ensures a firm support of the user's back while driving.
  • the structure of the frame 101 allows an optimal absorption of the roughness of the road surface, compared to a traditional bicycle.
  • the inclination in the turns within 45° to the right and to the left causes the three-wheeled bicycle 100 to follow the trajectory of the same turn with high precision, increasing stability and comfort.
  • the three-wheeled bicycle according to the invention ensures a comfortable experience, thanks to the seat and handlebar aligned with the wheels, and reduced overall dimensions, in particular as regards the width of less than one meter, approximately equal to 90 cm.
  • the three-wheeled bicycle according to the invention is particularly suitable for amateur use.
  • a further advantage of the three-wheeled bicycle according to the invention is that it allows to benefit from an assisted ride by means of an electrical motor.
  • Another advantage of the three-wheeled bicycle according to the invention is that it is inexpensive.
  • the three-wheeled bicycle according to the invention can be easily large-scale industrialized.

Abstract

Tricycle (100) comprenant : un cadre (101) comprenant : une première partie (101a) comprenant une tige tubulaire (101aa) disposée en correspondance avec une première extrémité dotée d'une partie tubulaire (101ab), et un élément de fourche (101ac) ; une deuxième partie (101b) comprenant une paire de tiges tubulaires latérales (101bb) mutuellement contraintes à des extrémités respectives, et une tige tubulaire centrale (101ba) reliée à ladite paire de tiges tubulaires latérales (101bb) ; et une troisième partie (101c) comprenant un élément tubulaire (101ca) ; une roue arrière fixée à un moyeu de roue fixé à l'élément de fourche (101ac) ; une roue avant gauche et une roue avant droite fixées à des supports de fixation correspondants. La partie tubulaire (101ab) est conçue pour croiser intérieurement la tige tubulaire centrale (101ba), l'élément tubulaire (101ca) est conçu pour coulisser de manière télescopique à l'intérieur de ladite partie tubulaire (101ab) et la première partie (101a) peut s'incliner latéralement dans les virages.
PCT/IB2022/054421 2021-07-28 2022-05-12 Tricyle WO2023007259A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102021000019910A IT202100019910A1 (it) 2021-07-28 2021-07-28 Bicicletta a tre ruote
IT102021000019910 2021-07-28

Publications (1)

Publication Number Publication Date
WO2023007259A1 true WO2023007259A1 (fr) 2023-02-02

Family

ID=78086816

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2022/054421 WO2023007259A1 (fr) 2021-07-28 2022-05-12 Tricyle

Country Status (2)

Country Link
IT (1) IT202100019910A1 (fr)
WO (1) WO2023007259A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6402174B1 (en) * 2001-04-06 2002-06-11 Alan Maurer Recumbent tricycle with controlled wheel and body lean
JP2010042710A (ja) 2008-08-11 2010-02-25 Azuma Giken:Kk 前二輪自転車
EP2558355A1 (fr) * 2010-04-13 2013-02-20 Alan Ball Tricycle couché pliable
EP2635484A2 (fr) 2010-11-02 2013-09-11 Giovanni Antonio Chiuppani Dispositif pour permettre à un véhicule inclinable de pencher quand il roule et le garder droit quand il est à l'arrêt
CN111114678A (zh) 2020-01-13 2020-05-08 文张斌 一种通过陀螺增稳的三轮电动车及其车身平衡方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITGE20080052A1 (it) 2008-06-11 2009-12-12 Santoro Rosa Bicicletta a tre ruote con due ruote anteriori sterzanti
JP2010004271A (ja) 2008-06-19 2010-01-07 Canon Inc 画像処理装置
ITRM20130006A1 (it) 2013-01-04 2014-07-05 Vanda Omeopatici S R L Medicamento omeopatico comprendente il fattore di crescita nervoso (ngf), relativo procedimento di trattamento e di ottenimento.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6402174B1 (en) * 2001-04-06 2002-06-11 Alan Maurer Recumbent tricycle with controlled wheel and body lean
JP2010042710A (ja) 2008-08-11 2010-02-25 Azuma Giken:Kk 前二輪自転車
EP2558355A1 (fr) * 2010-04-13 2013-02-20 Alan Ball Tricycle couché pliable
EP2635484A2 (fr) 2010-11-02 2013-09-11 Giovanni Antonio Chiuppani Dispositif pour permettre à un véhicule inclinable de pencher quand il roule et le garder droit quand il est à l'arrêt
CN111114678A (zh) 2020-01-13 2020-05-08 文张斌 一种通过陀螺增稳的三轮电动车及其车身平衡方法

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