WO2000041925A1 - Trottinette motorisee - Google Patents

Trottinette motorisee Download PDF

Info

Publication number
WO2000041925A1
WO2000041925A1 PCT/ZA2000/000002 ZA0000002W WO0041925A1 WO 2000041925 A1 WO2000041925 A1 WO 2000041925A1 ZA 0000002 W ZA0000002 W ZA 0000002W WO 0041925 A1 WO0041925 A1 WO 0041925A1
Authority
WO
WIPO (PCT)
Prior art keywords
platform
wheel
support member
steering column
vehicle
Prior art date
Application number
PCT/ZA2000/000002
Other languages
English (en)
Inventor
Michael Roydon Puzey
Original Assignee
Michael Roydon Puzey
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 Michael Roydon Puzey filed Critical Michael Roydon Puzey
Priority to AU26387/00A priority Critical patent/AU2638700A/en
Publication of WO2000041925A1 publication Critical patent/WO2000041925A1/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
    • 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
    • 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
    • B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
    • B62K11/02—Frames
    • B62K11/10—Frames characterised by the engine being over or beside driven 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
    • B62K15/00—Collapsible or foldable cycles
    • B62K15/006—Collapsible or foldable cycles the frame being foldable

Definitions

  • This invention relates to a vehicle which is in the nature of a motorized scooter.
  • the applicant is aware of a two-wheel motorized scooter which includes a platform
  • a steering column to a front wheel is collapsible by being folded about a central pivot to allow the scooter to be compactly stored. With this action the front wheel does not move, and only the steering column is folded.
  • the rear wheel is driven by means of a small pinion wheel which is powered by a motor and which is frictionally engaged with the rear wheel at a circumferential location thereof.
  • the aforementioned scooter exhibits a number of drawbacks. As the vehicle is
  • the invention provides a vehicle which includes a platform, a steerable front wheel which is mounted to a first end of the platform, at least one rear wheel which is mounted to a second end of the platform, opposing the first end, and motor means for driving the rear wheel, and wherein the platform is resiliently flexible to permit limited movement of the first wheel relatively to the rear wheel.
  • the resilient platform moves in a way which allows the front and rear wheels
  • First mounting means may be used for fixing the front wheel to the first end and second
  • mounting means may be used for fixing the rear wheel to the second end.
  • the platform may be of any appropriate resilient or flexible material and for example is made from a plastics material. Preferably though the platform is made from multi-plywood.
  • the first mounting means may include support structure which is attached to the platform and a support member which is pivotally mounted to the support structure and which is movable between first and second positions, and means for releasably retaining the
  • the retaining means may also be used for releasably retaining the support member in the
  • the vehicle may include a steering column which is rotatably mounted to the support member and the front wheel may be mounted to the steering column.
  • the pivotal mounting of the support members, to the support structure may be done in any appropriate way and preferably is achieved using inter-engaging complementary male and female mounting members of any appropriate shape but which, in a preferred embodiment,
  • the mounting members permit adjustments to be made to
  • the motor means may be of any appropriate type and preferably is a two- or four- stroke petrol powered engine.
  • the motor means may drive the rear wheel in any suitable way and preferably use is made of a belt or chain drive between the motor means and the rear wheel.
  • drive from the motor means is transferred to the rear wheel through the medium of a centrifugal clutch.
  • the clutch is adjusted in such a way that with the motor means at idling speed the clutch is disengaged and no
  • a tension adjuster may be provided for the belt or chain drive.
  • the invention also provides a vehicle which includes a platform, two spaced plates which are secured to a first end of the platform, a support member which is mounted for pivotal
  • a steering column which is fixed to the support member and which is rotatable at least to a limited extent relatively thereto, a first wheel which is mounted to the steering column, a second wheel which is mounted to a second end of the platform, and motor
  • the invention further extends to a vehicle which includes a resilient platform, a motor-
  • Figure 1 is a side view of a vehicle according to the invention in an assembled state
  • Figure 2 is a view similar to that of Figure 1 but with the vehicle in a folded or collapsed state;
  • Figure 3 is a side view in enlarged detail of a mounting arrangement for a front wheel of
  • Figure 4 is a view at right angles to that shown in Figure 3 illustrating the way in which
  • Figure 5 is a side view of a rear portion of the vehicle illustrating a drive arrangement
  • Figure 6 is a plan view, at right angles to that shown in Figure 5, illustrating certain structural details of the drive arrangement.
  • FIGS. 1 and 2 of the accompanying drawings illustrate a vehicle 10, from the side, in an
  • Figures 1 and 2 are intended to illustrate certain principles only and hence do not o completely illustrate the vehicle. Further details of construction of the vehicle are shown in Figures 3 to 6.
  • the vehicle 10 includes a platform 12 which is made from a shaped sheet of multi-plywood of a suitable thickness.
  • the multi-plywood is resiliently flexible to a limited extent but on the other hand has substantial strength and is well capable of supporting the weight of an
  • the vehicle has a front wheel 14 which is attached to a first end of the platform using a first mounting mechanism 16, and a rear wheel 18 which is attached to a second end of
  • the wheels may have solid tyres but preferably are inflated.
  • the first mounting mechanism 16 includes support structure 22 and a support member 24.
  • the structure 22 includes a plate 26 which is secured to an underside of the platform 12
  • the cam plates 30 have arcuate cam surfaces 32 with stop slot formations 34 and 36 at opposed ends of the cam surfaces. Only one plate 30 is visible in Figures 1 and 2.
  • the support member 24 is mounted between the plates 30 and is pivotally movable about a pivot point 38. The nature of this pivotal mounting is described hereinafter with
  • the support member 24, at its upper end, has a collar 40 and a steering column 42 is rotatably located inside the collar by being mounted to bushes or bearings, not shown,
  • the column 42 is not movable in the axial direction of the collar and is
  • the steering column at its upper end has handlebars 48 which are usable, in a manner known per se, for steering the vehicle.
  • Hand-operated brake levers (not shown) are attached to the handlebars and are connected via cables to calipers which carry brake
  • the second mounting mechanism 20 includes a plate 50 which is attached to an underside
  • the wheel 18 is mounted between the brackets 52 (see Figure 6) and is rotatable about an axle 56.
  • Figures 3 and 4 are views at right angles to one another, on an enlarged scale, of the
  • a linkage 58 which has two spaced, curved plates 60 and 62, is mounted for pivotal
  • a catch bar 68 extends between lower ends of the plates 60 and 62 and is engageable with the formations
  • a spring 70 hooked between the catch bar 68 and the member 24, acts on the linkage 58 and biasses the linkage in an anti-clockwise direction, about the axle 64, as is shown by
  • catch bar 68 is at all times biassed in a direction which enables it automatically to engage with respective stop formations 34 or 36 when the catch bar is brought to a position which is coincident with the position of a respective stop formation.
  • the pivot point 38 is formed by a bush 74 which is fixed to the member 24 and which has
  • Cap screws 80 and 82 are mounted to the opposed plates 30 respectively and lock nuts
  • cap screws 84 are used to lock the cap screws to the plates.
  • the cap screws have opposed leading
  • Figure 1 shows the vehicle in an operative position while Figure 2 shows the vehicle in a storage position. If the cross piece 66 is gripped and pulled to rotate the linkage about the
  • the rear wheel 18 is driven by a petrol motor 86 which is schematically illustrated and which may be a two-stroke or four-stroke motor.
  • the motor 86 is schematically illustrated and which may be a two-stroke or four-stroke motor.
  • the axle 56 about which the wheel 18 is rotatable is between the brackets 52.
  • a bearing 94 is mounted between two plates 96 and 98 which are also secured to the studs 88.
  • the bearing provides a rotatable support for a shaft 100 to which is fixed a cog 102.
  • An endless chain 104 is engaged with the cog and is also engaged with a relatively larger gear 106 fixed to an axle 108.
  • a second cog 110 on the axle 108 is coupled by means of an endless chain 112 to a large drive gear 114 fixed to the axle 56 of the wheel 18.
  • the shaft 100 extends from a centrifugal clutch 116 which is coupled to an output drive shaft of the motor 86.
  • the centrifugal clutch is of a type which, at a low speed of rotation,
  • Any slack which may, from time to time, arise in the chain 112 can be taken up by a tension-adjusting device 120 which is movable relatively a stud 122 and which bears on an outer surface of the chain, and which can be locked in position.
  • the device 120 can also be biassed by a spring (not shown) towards the chain, as is indicated by an arrow 124, to make the device self-adjusting.
  • a similar device 120A can be desired to adjust the tension in the chain 104.
  • the vehicle of the invention has a number of significant benefits.
  • the platform 12 which does not have an underlying stiffening chassis, as is the case with prior art devices which are known to the applicant, is slightly resiliently flexible and hence provides a suspension system which in practice has proved to be highly effective for the
  • the wheels 14 and 18 are rigidly mounted to the platform without making use of
  • shock-absorbing devices The resilience of the platform 12 has been found to be adequate to absorb shock loadings which arise from most uneven road surfaces, and
  • steering column 42 is rigid and is mounted via the support
  • the mounting arrangement does permit pivotal adjustment of the steering column and front wheel from the operative position of Figure 1 to the storage or transport portion of Figure 2.
  • the direct chain drive is long-lasting and an increase in length in either

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

L'invention se rapporte à un véhicule comportant une plate-forme (12), une roue avant orientable (14) qui est montée au niveau d'une première extrémité de la plate-forme (12), au moins une roue arrière (18) qui est montée au niveau d'une seconde extrémité de la plate-forme (12), à l'opposé de la première extrémité, et un organe à moteur (86) conçu pour entraîner la roue arrière (18). Dans ce véhicule, la plate-forme (12) possède une souplesse élastique permettant un mouvement limité de la roue avant (14) par rapport à la roue arrière (18).
PCT/ZA2000/000002 1999-01-10 2000-01-10 Trottinette motorisee WO2000041925A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU26387/00A AU2638700A (en) 1999-01-10 2000-01-10 Motorized scooter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA99/0008 1999-01-10
ZA998 1999-01-10

Publications (1)

Publication Number Publication Date
WO2000041925A1 true WO2000041925A1 (fr) 2000-07-20

Family

ID=25587485

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ZA2000/000002 WO2000041925A1 (fr) 1999-01-10 2000-01-10 Trottinette motorisee

Country Status (2)

Country Link
AU (1) AU2638700A (fr)
WO (1) WO2000041925A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002020339A1 (fr) * 2000-09-07 2002-03-14 Salvador Sanchez Belmonte Trottinette pliable a moteur munie d'un siege optionnel
ES2170007A1 (es) * 2000-09-07 2002-07-16 Belmonte Salvador Sanchez Patinete a motor con asiento opcional plegable.
WO2004050461A1 (fr) * 2002-12-05 2004-06-17 Michael Roydon Puzey Agencement d'entrainement
EP1225122A3 (fr) * 2001-01-17 2005-01-12 Christian Gattinger Trottinette pliable
EP3971072A1 (fr) * 2020-09-21 2022-03-23 Novatek Engineering, S.L. Scooter électrique avec planche flexible

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799701A (en) * 1987-07-06 1989-01-24 Lindau Mark S Scooter
EP0300650A1 (fr) * 1987-07-09 1989-01-25 Steven J. Patmont Scooter
EP0362033A1 (fr) * 1988-09-27 1990-04-04 Tanguy Le Moing Véhicule motorisé à deux roues pliant et portable
GB2290508A (en) * 1994-05-06 1996-01-03 Allan Howard Wilson Battery powered foldable scooter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799701A (en) * 1987-07-06 1989-01-24 Lindau Mark S Scooter
EP0300650A1 (fr) * 1987-07-09 1989-01-25 Steven J. Patmont Scooter
EP0362033A1 (fr) * 1988-09-27 1990-04-04 Tanguy Le Moing Véhicule motorisé à deux roues pliant et portable
GB2290508A (en) * 1994-05-06 1996-01-03 Allan Howard Wilson Battery powered foldable scooter

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002020339A1 (fr) * 2000-09-07 2002-03-14 Salvador Sanchez Belmonte Trottinette pliable a moteur munie d'un siege optionnel
ES2170007A1 (es) * 2000-09-07 2002-07-16 Belmonte Salvador Sanchez Patinete a motor con asiento opcional plegable.
EP1225122A3 (fr) * 2001-01-17 2005-01-12 Christian Gattinger Trottinette pliable
WO2004050461A1 (fr) * 2002-12-05 2004-06-17 Michael Roydon Puzey Agencement d'entrainement
US6866275B1 (en) 2002-12-05 2005-03-15 Michael Roydon Puzey Vehicle support assembly
US7118502B2 (en) 2002-12-05 2006-10-10 Michael Roydon Puzey Drive arrangement
EP3971072A1 (fr) * 2020-09-21 2022-03-23 Novatek Engineering, S.L. Scooter électrique avec planche flexible

Also Published As

Publication number Publication date
AU2638700A (en) 2000-08-01

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