WO1999032349A1 - Dispositif sous forme de kit permettant de transformer une moto a une roue motrice en une moto a deux roues motrices - Google Patents
Dispositif sous forme de kit permettant de transformer une moto a une roue motrice en une moto a deux roues motrices Download PDFInfo
- Publication number
- WO1999032349A1 WO1999032349A1 PCT/FR1998/002711 FR9802711W WO9932349A1 WO 1999032349 A1 WO1999032349 A1 WO 1999032349A1 FR 9802711 W FR9802711 W FR 9802711W WO 9932349 A1 WO9932349 A1 WO 9932349A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wheel
- motorcycle
- front wheel
- coupler
- rotation
- Prior art date
Links
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
- B62M23/00—Transmissions characterised by use of other elements; Other transmissions
Definitions
- Device in the form of a kit making it possible to transform a motorcycle with a drive wheel into a motorcycle with two drive wheels.
- the present invention relates to a kit which makes it possible to transform a motorcycle with a driving wheel (the rear wheel) into a motorcycle with two driving wheels by a system of chain belts, cardan joints and a coupler.
- the invention aims to remedy these drawbacks and relates, for this purpose, to a kit which can be adapted to any type of motorcycle, including those having a telescopic fork or an articulated arm, without modifying the original structure. , and thus transform a motorcycle of which only the rear wheel is driving into a motorcycle with two driving wheels.
- the invention therefore relates to a mechanism which is in the form of an adaptable kit whose interest results in the transmission of variable power to the front wheel of a motorcycle originally having only the rear drive wheel without that the steering is hampered by the front motor skills.
- the mechanism is characterized in that it consists of a multi-groove pulley (1) mounted on the axis of the gearbox output pinion (2) driving a second multiband belt (4) pulley (6) fixed to the chassis.
- the latter contains a coupler (8) which modulates the speed of rotation of the toothed pulley (15) which is attached to it.
- the toothed pulley (15) leads to a second toothed pulley (9) which allows the double cardan joint (21) to rotate.
- AT the end of the double universal joint (21) is a pinion (20) which rotates two chains (13, 14) mounted in series on an articulated arm (19 + 17) which allows the suspension to be pushed in.
- a crown (11) fixed to the hub (12) of the wheel transmits the rotational movement to the front wheel.
- - Figure 1 is a view of the left side of the motorcycle;
- - Figure 2 is a front view of the motorcycle;
- FIG. 3 is a view of the right side of the motorcycle
- FIG. 5 is a view of the entire mechanism alone.
- the mechanism for transmitting power to the front wheel of a motorcycle of which only the rear wheel is driving consists essentially of three distinct parts, on the one hand, the transmission by pulleys and belts including a coupler (1, 4, 5, 6, 8, 9, 15, 16), on the other hand, the double universal joint (21), and finally an articulated arm descending along the front fork of the motorcycle, provided with chains (20, 1, 18 , 13, 12, 11).
- the pulley and belt transmission consists of two multi-grooved pulleys (1, 6) and two notched pulleys (9, 15).
- a first multi-grooved pulley (1) is mounted on the gearbox output shaft (2).
- This second pulley contains the coupler part (8) of the mechanism.
- This part consists of a system with needles which grips on an inner ring which is integral with the axis which will link the pulley with multiple grooves and a first toothed pulley.
- This coupler system allows the front wheel to tolerate a rotation speed different from that of the rear wheel. This system is essential because when cornering the wheel must necessarily turn faster than the rear wheel.
- the toothed pulley (15) drives the second toothed pulley (9) which is linked to the double universal joint (21).
- the double universal joint (21) allows to transfer the movement from the left side to the right side of the bike or vice versa depending on the configuration of the original bike (if the gearbox outlet is on the right or on the left) .
- the system When changing direction, the system must continue to transmit power, so the transmission must be articulated.
- the use of the double universal joint (21) offers a turning angle of 80 ° on each side while being homokinetic, that is to say that the movement is preserved in its entirety when it crosses the double universal joint ( 21).
- the double universal joint (21) is placed under the lower triple clamp (10). Its presence requires an increase in the length of the fork.
- the double universal joint (21) is housed in a support composed mainly of two parts ( Figure 4). A first is fixed relative to the frame of the motorcycle (23). Its positioning is achieved by the pivot link, the axis coincides with that of the axis of rotation of the fork, keeps it in position being it produced by a pusher (22) for alignment of the fixed pulley (9) on the frame.
- This system allows the replacement of the toothed belt without dismantling the entire system. It suffices to relax the pusher, thus making the normally fixed part the possibility of pivoting along the axis of rotation of the fork. It is thus possible to change the belt. Once the belt has been replaced, all that remains is to tighten the plunger.
- the second part oscillates with the fork so that the pinion (20) which is located at the end of the double universal joint (21) can always be in alignment with the rest of the mechanism which is directly linked to the front wheel.
- the articulated arm (19 + 17) consists of two parts: The arm (19) proper and the arm support (17).
- the arm (19) consists of an axis, each end of which is provided with a small fork including two bearings and accommodating a pinion in its center. These two pinions, of identical dimensions, are directly linked by a chain (14), which imposes on them an identical rotational movement.
- the pinion (20) of the upper end is mounted in complete connection with the universal joint (21). Note the presence of a rubber coating (or any other type of coating) along the axis to avoid direct contact between the axis of the arm (19) and the chain (14).
- the lower arm support (17) is mounted in pivot connection on the axis of the front wheel (12), but in complete connection with the wheel, and consists at its other end of a small fork including two bearings, identical to those used for the arm, which receives a pinion, identical to those of the arm.
- the pinions of the lower end of the arm and that of the arm support are both mounted in complete connection with a keyed axis.
- the axis accommodating the two pinions therefore realizes the articulation between the articulated arm (19) and its support (17).
- the articulated arm (19) - arm support (17) assembly is located behind the fork, which causes a delay in the rotation of the wheel.
- the pinion which is located on the articulated arm support (17) is linked to the crown (11), itself linked to the hub (12) of the front wheel, via a chain (13) thus giving the rotational movement at the front wheel of the motorcycle.
- All the parts of the mechanism are maintained by means of supports which are themselves fixed to the frame of the motorcycle. These supports, in the case of the exemplary embodiment described above, have been produced by mechanical welding, but could be produced by molding. The entire mechanism remains inaccessible in operation because a set of housings allows its protection. These housings, made of sheet metal or plastic, are fixed on the supports provided by the mechanism.
- Figure 6 the broken lines represent the resulting actions.
- the motorcycle progresses towards walking. Then the front wheel hits the rock and stops spinning.
- the fork compresses as much as possible ( Figure 6 / A).
- the lower arm (17) of the transmission which is integral with the wheel, will perform a rotational movement relative to the axis of the wheel hub in the counterclockwise direction and delay the front wheel in its rotation relative to the rear wheel, anti-trigonometric direction (broken lines).
- the coupler (8) will engage on the rebound of the fork and transfer an acceleration to the rotation of the front wheel relative to the rear wheel, according to a reciprocal action to that observed during the compression of the fork.
- the motorcycle is then upright (Figure 6 / B).
- the rear wheel in turn strikes the rock while continuing to climb.
- Figure 7 the broken lines represent the posterior actions.
- Figure 8 the broken lines represent the posterior actions.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002315360A CA2315360A1 (fr) | 1997-12-22 | 1998-12-14 | Dispositif sous forme de kit permettant de transformer une moto a une roue motrice en une moto a deux roues motrices |
EP98959972A EP1049619A1 (fr) | 1997-12-22 | 1998-12-14 | Dispositif sous forme de kit permettant de transformer une moto a une roue motrice en une moto a deux roues motrices |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR97/16554 | 1997-12-22 | ||
FR9716554A FR2772681B1 (fr) | 1997-12-22 | 1997-12-22 | Dispositif sons forme de kit permettant de transformer une moto a une roue motrice en une moto a deux roues motrices |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999032349A1 true WO1999032349A1 (fr) | 1999-07-01 |
Family
ID=9515174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1998/002711 WO1999032349A1 (fr) | 1997-12-22 | 1998-12-14 | Dispositif sous forme de kit permettant de transformer une moto a une roue motrice en une moto a deux roues motrices |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1049619A1 (fr) |
CA (1) | CA2315360A1 (fr) |
FR (1) | FR2772681B1 (fr) |
WO (1) | WO1999032349A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202004006337U1 (de) | 2004-04-19 | 2004-07-29 | Carcoustics Tech Center Gmbh | Luftleitelement für eine Instrumententafel eines Kraftfahrzeuges |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1988009739A1 (fr) * | 1987-06-04 | 1988-12-15 | Christopher David George Watts | Motocyclette |
FR2628055A1 (fr) * | 1988-03-02 | 1989-09-08 | Decouroux Robert | Dispositif d'articulation de la rotation du mouvement et de tension de la chaine pour motocyclette a traction avant |
EP0405509A1 (fr) * | 1989-06-28 | 1991-01-02 | Suzuki Kabushiki Kaisha | Motocyclette avec propulsion pour la roue avant et la roue arrière |
DE9014388U1 (de) * | 1990-10-17 | 1991-01-17 | Beinhauer, Uwe, 6380 Bad Homburg | Motorradgabel mit Antrieb des Vorderrads |
WO1991004187A1 (fr) * | 1989-09-20 | 1991-04-04 | Franck Savard | Dispositif de suspension directionnelle pour motocyclette a deux roues motrices |
-
1997
- 1997-12-22 FR FR9716554A patent/FR2772681B1/fr not_active Expired - Fee Related
-
1998
- 1998-12-14 WO PCT/FR1998/002711 patent/WO1999032349A1/fr not_active Application Discontinuation
- 1998-12-14 EP EP98959972A patent/EP1049619A1/fr not_active Withdrawn
- 1998-12-14 CA CA002315360A patent/CA2315360A1/fr not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1988009739A1 (fr) * | 1987-06-04 | 1988-12-15 | Christopher David George Watts | Motocyclette |
FR2628055A1 (fr) * | 1988-03-02 | 1989-09-08 | Decouroux Robert | Dispositif d'articulation de la rotation du mouvement et de tension de la chaine pour motocyclette a traction avant |
EP0405509A1 (fr) * | 1989-06-28 | 1991-01-02 | Suzuki Kabushiki Kaisha | Motocyclette avec propulsion pour la roue avant et la roue arrière |
WO1991004187A1 (fr) * | 1989-09-20 | 1991-04-04 | Franck Savard | Dispositif de suspension directionnelle pour motocyclette a deux roues motrices |
DE9014388U1 (de) * | 1990-10-17 | 1991-01-17 | Beinhauer, Uwe, 6380 Bad Homburg | Motorradgabel mit Antrieb des Vorderrads |
Also Published As
Publication number | Publication date |
---|---|
FR2772681A1 (fr) | 1999-06-25 |
EP1049619A1 (fr) | 2000-11-08 |
FR2772681B1 (fr) | 2000-03-10 |
CA2315360A1 (fr) | 1999-07-01 |
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