WO2004080789A1 - 自動二輪車 - Google Patents
自動二輪車 Download PDFInfo
- Publication number
- WO2004080789A1 WO2004080789A1 PCT/JP2003/003085 JP0303085W WO2004080789A1 WO 2004080789 A1 WO2004080789 A1 WO 2004080789A1 JP 0303085 W JP0303085 W JP 0303085W WO 2004080789 A1 WO2004080789 A1 WO 2004080789A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vehicle body
- body frame
- support shaft
- swing arm
- motorcycle
- Prior art date
Links
Classifications
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- 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
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
- B62K25/28—Axle suspensions for mounting axles resiliently on cycle frame or fork with pivoted chain-stay
- B62K25/283—Axle suspensions for mounting axles resiliently on cycle frame or fork with pivoted chain-stay for cycles without a pedal crank, e.g. motorcycles
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- 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
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
- B62K25/12—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg
- B62K25/14—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg with single arm on each fork leg
- B62K25/20—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg with single arm on each fork leg for rear wheel
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- 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
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
- B62K25/28—Axle suspensions for mounting axles resiliently on cycle frame or fork with pivoted chain-stay
- B62K25/286—Axle suspensions for mounting axles resiliently on cycle frame or fork with pivoted chain-stay the shock absorber being connected to the chain-stay via a linkage mechanism
Definitions
- the present invention relates to a motorcycle, and more particularly to a motorcycle including a rear swing arm that is swingably attached to a vehicle body frame, and the rear wheel is connected to the vehicle body frame via the rear swing arm.
- This is a motorcycle with a supported suspension system.
- a vehicle is capable of swinging around a body frame with a support shaft extending in the width direction.
- a structure is adopted in which a rear swing arm is attached, and the rear wheel is attached to the tip of the rear swing arm extending from the support shaft to the rear of the vehicle.
- Japanese Utility Model Application Laid-Open Publication No. H06-210182 Japanese Utility Model Application Laid-Open Publication No. H06-210182
- Such a suspension system for the rear wheels connects and supports the rear wheels in the vertical direction relative to the vehicle body frame so that the rear wheels can be moved relative to each other, such as a shock absorber and a coil spring.
- the wheels are displaced in the vertical direction visibly relative to the vehicle body frame, so that the impact from the road surface is reduced, and the rear wheels and the road surface
- Driving force and braking force exerted by friction are transmitted to the military frame via the rear swing arm.
- the mounting portion of the rear swing arm to the vehicle body frame is generally opposed to a support shaft called a pivot provided at a fixed position on the vehicle body frame. It is constituted by rotatably connecting the front end of the swing arm to the vehicle body.
- the driving force and the braking force transmitted from the rear wheels to the vehicle body frame via the rear-arm are always exerted on the vehicle body frame from the position of the support shaft.
- the position of the support shaft which connects and supports the sliding arm to the vehicle body frame, has a very large effect on the behavior of the motorcycle when it is running and on its performance. This effect is greater as the power applied from the unit to the rear wheels is higher, or as the traveling speed is higher. Specifically, by changing the position of the support shaft, the drip performance of the rear wheel with respect to the road surface is reduced, so that when the power is applied, the rear wheel can easily idle. On the other hand, the grip performance of the rear wheels on the road surface is improved, but the front wheels can be lifted more easily. The return may be slower, and on the contrary, the turn may be lighter, but the straight running stability may be reduced.
- the rear swing arm is mounted on the vehicle body in consideration of the required driving performance and running conditions, the vehicle weight, the power output of the power unit, the torque and other characteristics.
- the position of the support shaft for connecting and supporting the frame is selected, and is fixedly set to a position that can be understood as optimal as described above.
- the driving conditions of the motorcycle differ only depending on the rider's weight, the amount of fuel in the tank, the weather and the road surface temperature.
- the road surface conditions vary depending on the location, and may vary depending on whether the vehicle is cornering or running straight, the degree of acceleration / deceleration, the degree of traveling speed, etc. Accordingly, the optimum position of the support shaft changes accordingly. Therefore, in a motorcycle with a conventional structure in which the support shaft of the rear swing arm is fixedly attached to the vehicle body frame, the motorcycle always changes according to the running state of the motorcycle.
- the present invention has been made in view of the above-described circumstances, and the problem to be solved is that the position of the support shaft of the rear swing arm with respect to the vehicle body frame is determined.
- the purpose of this study is to provide a motorcycle with a new structure that focuses on the impact on the running performance of motorcycles and can achieve even better running performance in response to running conditions that change from moment to moment. . Disclosure of the invention
- a rear swing arm is attached to a body frame so as to be swingable around a spindle extending in a vehicle width direction, and the rear wheel is connected to the vehicle body frame via the rear swing arm.
- the supporting shaft of the rear swing arm can be displaced in a direction perpendicular to the axis with respect to the vehicle body frame, and the position of the supporting shaft is changed to the vehicle body frame. It is characterized in that a position adjusting means that can be changed and adjusted under running conditions is provided for the vehicle. .
- the present invention has been involved in autopiracy for several decades, has conducted research and development of the frame structure, and has achieved results in many autopires both in Japan and overseas. This was conceived because of the present inventor.
- attention is paid to the fact that the position of the support shaft for attaching the sliding arm to the vehicle body frame has a large effect on the running performance of the motorcycle, and the running conditions that change every moment are considered. Accordingly, there is a great technical feature in that the position of the support shaft is changed during traveling in response to a new technical idea that has not existed before.
- the action of the driving force and braking force exerted on the vehicle body frame from the rear wheels is achieved.
- the point and the direction of action can be changed as appropriate. That is, considering the force vector, the position of the support shaft can be changed during traveling. It is possible to change the direction and point of application of the driving force and braking force applied to the vehicle frame from the rear wheels. Therefore, it is more suitable according to the road surface condition and the running condition of the vehicle, which is constantly changing, such as whether the vehicle is in a straight running state, a cornering state, or an acceleration state or a deceleration state.
- By selecting and setting the operation position and the operation direction of the vector it is possible to improve the running stability of the vehicle and improve the guidance performance such as the running stability. It is.
- An aspect 2 of the present invention is the motorcycle according to the aspect 1 of the present invention, wherein the support shaft is displaceable in at least an upward and downward direction of the vehicle body frame. And.
- the position of the support shaft by displacing the position of the support shaft in the vertical direction of the vehicle body frame, the position of the vector acting on the object from the rear wheel via the swing arm and the position of the vector is determined. Since the direction of action can be changed, for example, considering the position of the center of gravity of the body-side mass including the engine and the body frame, the swing angle of the rear swing arm, etc.
- it is possible to change and set the operation position and the operation direction of the vector exerted from the rear wheel and accordingly, it is possible to respond to the ever-changing traveling state.
- By appropriately adjusting the axial load distribution of the front and rear wheels it is also possible to suppress the lifting of the front wheels while ensuring good grip of the rear wheels on the road surface during sudden acceleration. It is.
- the racing arm is connected to the vehicle body frame.
- the support shaft of the rear swing arm is pressed down and held elastically by utilizing the urging force of a rear suspension that supports the vehicle weight by sexually connecting the lower shaft.
- the support shaft of the rear swing arm is displaced upward against the biasing force of the rear suspension.
- the support shaft in the motorcycle according to any one of the first to third aspects of the present invention, can be displaced in at least a longitudinal direction of at least the vehicle body frame.
- stopper means for limiting a displacement of the support shaft with respect to the vehicle body frame in a buffered manner.
- the feature is the octopus.
- a sixth aspect of the present invention is the motorcycle according to any one of the first to fifth aspects of the present invention, further comprising: a swingable rocker that swings around a connection shaft extending in a vehicle width direction in the vehicle body frame.
- a swingable rocker that swings around a connection shaft extending in a vehicle width direction in the vehicle body frame.
- the displacement of the support shaft in the direction perpendicular to the axis is determined by adopting an oscillating link.
- the swing link extends forward from the connection shaft ′ of the vehicle body frame toward the front of the vehicle body, and Rear swing arm
- the support shaft is positioned forward of the vehicle body with respect to the connection shaft.
- the rear wheel Through the rear swing arm, the driving force exerted on the vehicle body frame acts as a pulling force on the oscillating link, thus, for example, a power generating a large driving force.
- Embodiment 8 of the present invention is the motorcycle according to any one of Embodiments 1 to 7 of the present invention, wherein an absorber exerting a damping force on displacement of the support shaft.
- the feature is that is provided.
- abrupt displacement of the support shaft can be suppressed by the absorber, so that adverse effects on traveling performance due to a sudden change in the position of the support shaft or stoppage can be reduced. Can be avoided.
- the adjustment actuator that drives the support shaft to at least one side in a displacement direction includes the adjustment actuator.
- the present invention is characterized in that the position adjusting means is arranged between a swing arm and the vehicle body frame and includes the adjusting actuator.
- the position of the support shaft can be controlled with a large degree of freedom by adjusting the operation of the adjustment actuator from outside. Therefore, for example, the accelerator opening, the engine speed, the selection of the transmission gear, the amount of slip between the rear wheels and the road surface, the handle angle, the presence or absence of the spraying operation, the front and rear shocks Detects some of the expansion and contraction of the absorber using sensors, etc.
- the position of the support shaft can be controlled with great freedom. It is also possible to change the settings.
- FIG. 1 is a model diagram showing a schematic structure of a motorcycle according to a first embodiment of the present invention.
- FIG. 2 is an explanatory diagram showing an enlarged cross section of a main part of the motorcycle shown in FIG.
- FIG. 3 is a model diagram showing an enlarged schematic structure of a main part of a motorcycle according to a second embodiment of the present invention.
- FIG. 4 is a model diagram showing an enlarged schematic structure of a main part of a motorcycle according to a third embodiment of the present invention.
- FIG. 5 is a schematic diagram of a main part for describing a structural example of a rack and pinion mechanism that can be employed as an actuator for displacing a spindle in the present invention.
- FIG. 1 shows a model of a general Yuyu structure of a motorcycle according to a first embodiment of the present invention.
- reference numeral 10 denotes a vehicle body frame.
- the vehicle body frame 10 extends in the front-rear direction of the vehicle body, and a head pipe 1 is provided in front of the vehicle body (leftward in FIG. 1). 2 and a center pillar 14 at the rear of the vehicle.
- a backstay 16 extending rearward is provided above the center pillar 14.
- an engine stay 18 extending forward is provided.
- a power unit 19 including an engine and a transmission is provided below the vehicle frame 10.
- This power unit 1.9 is a center pillar. It is positioned in front of 14 and is connected and supported at a plurality of positions with respect to the vehicle body frame 10.
- the body frame 10 is equipped with fuel tanks, riding sheets, steps, and various security parts.
- the head pipe 12 of the vehicle body frame 10 has the upper end of the front fork 20 rotatably mounted around the center of the head pipe 12. It is attached.
- a front fork 20 extending downward from the head pipe 12 supports a front wheel axle 24 at a lower end portion, and can rotate around the front wheel axle 24.
- the front wheels 26 are installed on the bay.
- a handle bar 28 is attached to the upper end of the front fork 20 extending upward from the hessed pipe 12. Then, it is possible to use the handlebar 28 to steer the front wheel 26, and the operation is started.
- the center shaft 14 of the vehicle body frame 10 is provided with a fixed connection shaft 30 extending in the vehicle width direction.
- the connection shaft 30 is automatically moved relative to the connection shaft 30.
- the link 32 is connected and the level is changed.
- the swing link 32 extends forward from the connecting shaft 30 to the vehicle body, and is designed to be able to swing by a predetermined angle around the connecting shaft S0.
- a pivot 34 extending in the vehicle width direction is provided at the tip of the pivot of the pivot link 32, and the pivot 34 is attached to the rear end of the pivot link 32.
- Arm 36 is connected.
- the rear swing arm 36 extends from the support shaft 34 to the rear of the vehicle body, and is rotatable by a predetermined angle around the support shaft 34.
- the rear swing arm 36 Supports a rear wheel axle 38 extending in the vehicle width direction at a distal end portion extending rearward from the support shaft 34, and the rear wheel axle 38.
- the rear transfer 40 is mounted so that it can be rotated around.
- the lower end of the rear shock absorber 42 as a suspension is attached to the rear swing arm 36 with respect to an intermediate portion between the support shaft 34 and the rear wheel axle 38.
- the shock absorber 42 is equipped with a hydraulic cylinder type attenuator and a coil spring that is assembled in an extrapolated state, and the upper end of the shock absorber is mounted on the body frame 10 with a pad. It is attached to stay 16.
- the urging force of the rear shock arm 42 is applied to the rear swing arm 36 in a direction in which the rear swing arm 36 is pushed downward with respect to the vehicle body frame 10. Therefore, the rear wheel 40 attached to the rolling arm 36 is connected to and supported by the vehicle frame 10 so as to be able to move up and down elastically. ing.
- FIG. 2 shows the diagram. That is, in the structural example shown in FIG. 2, a pair of center pillars 14 of the vehicle body frame 10 are provided on the left and right sides, and the left and right center pillars 14 and 14 have support pieces. 15 and 15 protrude forward of the vehicle body. Each of the support pieces 15 is provided with a through hole penetrating in the vehicle width direction, and through which the connecting shaft 30 is passed. You.
- an oscillating link 32 is disposed in front of the support piece 15 on the vehicle body. The oscillating link 32 has a bifurcated rear end.
- the pieces 15 are assembled so as to be sandwiched from both sides in the sheet thickness direction, and are connected by a connection shaft 30.
- the swing link 32 is swingably connected to the center pillar 14 of the vehicle body frame 10 around the connection shaft 30.
- a bearing 44 or the like is incorporated in the connecting portion between the supporting piece 15 and the swing link 32 by the connecting shaft 30 as necessary.
- a communication hole 46 extending in the vehicle width direction is formed through the other end of the driving link 32 whose one end is pivotally supported by the connecting shaft 30 as described above.
- a support shaft 34 extending in the vehicle width direction is provided so as to extend between a pair of drive links 32, 32 provided on the left and right sides of the vehicle body. Both ends of 34 are fixed through the insertion holes 46, 46 of the swing links 32, 32, respectively.
- the pair of left and right swing links 32 and 32 are connected to each other by one support shaft 34, so that the support shaft 34 and the pair of swing links are connected.
- the entirety including the links 32, 32 is capable of swinging about the 'center axis' of the connecting shafts 30, 30.
- the oscillating links 32 and 32 are provided so as to extend from the connecting shaft 30 to the front of the vehicle body, and the oscillating links 32 and 3 are provided. 2 swings around the center axis of the connecting shafts 30 and 30, so that the supporting shaft 3.4 is centered on the connecting shafts 3 ′ 0 and 30, and the connecting shafts 30 and 30 are connected to each other. It can be moved on an arc whose radius is the distance between 30 and the support shaft 34, so that it can be displaced almost vertically.
- the position of the support shaft 34 which is the actual connection position of the rear swing arm 36 to the vehicle body frame 10, is changed to the connection shaft 30 of the moving links 32, 32.
- the support frame 34 is displaced in the direction perpendicular to the axis of the support frame 34 in a substantially vertical direction of the vehicle body frame 1.0.
- each movement in the swing direction of the tip of the swing link 32, 32 is performed.
- upper and lower female stoppers 51 and 52 as stop means supported by the vehicle body frame 10 are provided.
- These elastic stoppers 51 and 52 can be composed of, for example, a rubber elastic body.
- the swing links 32, 32 are formed with lower elasticity.
- St In order that the support shaft 34 is held at the lowermost position by being brought into contact with the nipper 52, the coil spring of the ryokabsorber 42 is used. Adjusting and setting the biasing force applied to the closing arm 36. That is, an upward external force is applied to the rear swing arm 36 from the rear wheel 40 at the rear end, and a downward external force is applied to the rearward arm 36 at the intermediate portion from the rearward shock absorber 4.2. Become.
- the magnitude of the external force exerted by the re-shock absorber 42 is appropriately set. To rotate downward (left counterclockwise in FIG. 1) with respect to the swing arm 36 around the rear axle 38 based on the biasing force of the coil spring of the shock absorber 42. And the support shaft 34 at the front end of the rear swing arm 36 is elastically positioned with respect to the lowermost end of which the displacement is regulated by the lower elastic stopper 52. You can keep it.
- the position and direction of action of the driving force (vector) applied to the vehicle frame 10 as the friction reaction force between the rear wheel 4'0 and the road surface changes.
- the driving force is applied as a vector (force) that passes sufficiently below the center of gravity of the vehicle to set the rear wheel load large, while at the time of sudden acceleration.
- the driving force acts as a vector that passes near or above the vehicle center of gravity, and the front load is set large to prevent the front wheels from lifting. It is possible to secure the stability of the system.
- the driving force applied to the vehicle body frame 10 from the sliding arm 36 through the support shaft 34 is actually the swing link from the support shaft 34 via the swing link 32.
- the transmission is transmitted to the vehicle body frame 10 via the connection shafts 30 and 30 of the 32 and the elastic stoppers 51 and 52 which are brought into contact with each other.
- the position of 3 4 the direction and acting position of the force transmitted to the vehicle frame 10 through the oscillating link 32 (the vertical position of the connecting shafts 30, 30).
- the action position as their resultant force is changed. Therefore, in effect, the position of the support shaft 34 of the rear swing arm 36 is changed, so that the rear swing arm 36 extends from the rear wheel 40. It is possible to adjust by changing the position and direction of action of the driving force applied to the vehicle body frame 10 via the.
- FIG. 3 shows a second embodiment of the present invention.
- the members having the same structure as the first embodiment described above, and the same parts as those in the first embodiment are denoted by the same reference numerals. Therefore, detailed description thereof will be omitted.
- the first link arm 56 is swingably attached to the pin 54 provided on the vehicle body frame 10, and the swing link 32 is provided on the swing link 32.
- a toggle mechanism is configured by connecting the second link arm 60 pivotally attached to the pin 58 with the connection pin 62. Then, a hydraulic damper 66 as an absorber spans between the connecting pin 62 of the toggle mechanism and the support bin 64 fixed to the vehicle body frame 10. It is assembled. As a result, when the driving link 32 is swung around the connecting shaft '30, the toggle mechanism is simultaneously operated, and the driving force is applied to the hydraulic damper 66 '. It is supposed to be done.
- FIG. 4 shows a third embodiment of the present invention. In this embodiment, only the main parts are shown.
- the same reference numerals as those in the first embodiment denote the same parts as those in the first embodiment. The detailed description of is omitted.
- the swing link 32 which is swingably attached to the vehicle body frame 10 around the connection shaft 30, moves downward from the connection shaft 30. It is arranged to extend. As a result, the swing link 32 is made to swing around the connecting shaft 30 so that the rear swing arm 36 is provided with the rear swing arm 36.
- the positions of the supporting shafts 3 and 4 to be connected are such that they can be displaced substantially in the front and rear directions of the vehicle body.
- an actuator 68 as an adjustment actuator is mounted on the vehicle body frame 10, and the output vehicle of the actuator 68 is used. Is connected to the swing link 32. Then, the actuator 68 is actuated, and its driving force is applied to the swing link 32, so that the swing link 32 rotates the connecting shaft 3.0. The swing link 32 is driven to swing, and the swing position of the swing link 32 is positioned and held. Therefore, in the present embodiment, the actuator 68 is operated in accordance with the running state of the vehicle detected by, for example, various sensors, and the swing position of the swing link 32 is changed.
- the position of the support shaft 34 can be changed and set in the front-rear direction of the vehicle, whereby the rear swing arm '36 as a whole can be set in the front-rear direction. It is possible to adjust the wheelbase of the front and rear wheels (wheelbase) appropriately according to the running conditions, etc.
- the embodiments of the present invention have been described in detail above, these are merely examples, and the present invention is not limited in any way by the specific description in the embodiments. Without being construed as limiting, the present invention may be embodied in modes with various changes, modifications, improvements, etc. based on the knowledge of those skilled in the art. 'It should be understood that any embodiments are included within the scope of the present invention, as long as they do not depart from the spirit of the present invention.
- the swing link 32 is extended forward from the connection shaft 30 and is assembled.
- the swing link 32 is provided from the connection shaft 30 to the rear of the vehicle body.
- the support shaft 34 may be extended so that the support shaft 34 is positioned at the rear of the vehicle body rather than the connection shaft 30.
- the support shaft 34 of the rear swing arm 36 is provided on the vehicle body frame 10 via the swing link 32 that is swingably displaced around the connection shaft 30.
- the position of the support shaft 34 was changed with the movement of the swing link 32, but the support shaft 34 was moved relative to the vehicle body frame 10.
- the structure for enabling the displacement is not limited to such a structure by the swing link 32.
- the position of the support shaft 34 may be linearly reciprocated by a link mechanism in which a plurality of arms and rods are joined together, or an appropriate guide groove or the like. With the guide mechanism described above, it is possible to change the position of the support shaft 34 with an appropriate trajectory.
- a special actuator is used without acting on the closing arm 36.
- the position of the support shaft 34 could be adjusted by making good use of the external force that was applied.However, the position of the support shaft 34 was changed and set using an appropriate actuator. Is also good.
- Such a structure for adjusting the position of the support shaft 34 by the actuator is, for example, a hydraulic cylinder mechanism in place of the hydraulic damper 66 in the second embodiment shown in FIG. It can be realized by assembling an actuator such as a motor or an electric motor.
- a movable support member 72 for supporting the support shaft 34 is supported by a vehicle frame 10 so as to be able to reciprocate linearly.
- the electric motor 7 8 is fixed to the body frame 10 with the pieon 76 fitted to the rack 74.
- the driving force of the electric motor 78 is applied from the rack and pinion mechanism to the movable support member 72 via an appropriate speed reduction mechanism as necessary.
- FIG. 5 only the connecting portion of the rear swing arm 36 to the vehicle body frame 10 is shown as an enlarged model.
- the magnitude of the displacement of the support shaft 34 of the rear swing arm 36 with respect to the vehicle body frame 10 varies depending on the characteristics and output of the motorcycle, the vehicle weight, the running conditions, and the like.
- the support shaft 34 may have a sufficient effect even if it is displaced by a few rams, or it may be displaced by a few cm or more. In this case, the displacement of the support shaft 34 is small.
- the support shaft 34 While allowing the displacement of the support shaft 34 in a specific direction, the support shaft 34 is elastically connected to the vehicle body frame 10 by a rubber elastic body or the like. Alternatively, the displacement of the support shaft 34 may be allowed based on the elastic deformation of the rubber elastic body.
- the rocking link 32 is rocked in the rocking direction, and the rubber link is directly connected to the vehicle body frame 10 via rubber rubber on both sides in the opposite direction.
- the swing of the swing link 32 may be allowed based on the elastic deformation of the rubber-based material.
- shock absorber 42 disposed between the vehicle body frame 10 and the rear swing arm 34 its own structure and its mounting structure are not limited.
- the present invention is not limited to this, and various structures can be adopted.
- a leaf spring may be used in place of the coil spring, or the body frame 1 of the re-season absorper 42 may be used.
- a suitable power transmission mechanism for transmitting the output of the / unit 19 to the rear wheel 40 is provided between the power unit 13 and the rear transfer 40.
- drive chains and drive shafts are installed between the power unit 13 and the rear transfer 40.
- the tension mechanism of the drive chain A support shaft such as an extension / retraction mechanism of the swing arm 36.
- Appropriate structures will be adopted as needed.
- the support shaft 34 is displaceably supported not only by the vehicle body frame 10 itself, but also by a member fixed to the vehicle body frame 10, for example, the power unit 19. It can be any. If it is a member fixed to the vehicle body frame 10, it is a force that can be substantially identified with the vehicle body frame 10.
- the present invention is applied to various motorcycles having a frame structure in which a rear swing arm 36 is swingably attached to a vehicle body frame 10.
- a rear swing arm 36 is swingably attached to a vehicle body frame 10.
- the rear cut arm 36 is also provided.
- the present invention also applies to a structure frequently used in a scooter as a kind of motorcycle in which the power unit 19 is mounted and supported by the power unit 19. It is applicable to
- the position of the support shaft with respect to the vehicle body frame can be changed and set according to the running state that changes every time during running. As a result, it is possible to maintain favorable characteristics according to driving conditions. '' Industrial.
- the present invention has a novel structure
- the present invention is to provide a motorcycle having a novel structure with an improved degree of freedom in setting a motor vehicle.
- the motorcycle according to the present invention has a structure according to the present invention and its structural members, as well as use and distribution. It is clear that the present invention has industrial applicability, since it is also performed in an industrial setting.
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- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2003/003085 WO2004080789A1 (ja) | 2003-03-14 | 2003-03-14 | 自動二輪車 |
JP2004569361A JP4242352B2 (ja) | 2003-03-14 | 2003-03-14 | 自動二輪車 |
AU2003213379A AU2003213379A1 (en) | 2003-03-14 | 2003-03-14 | Motorcycle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2003/003085 WO2004080789A1 (ja) | 2003-03-14 | 2003-03-14 | 自動二輪車 |
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WO2004080789A1 true WO2004080789A1 (ja) | 2004-09-23 |
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PCT/JP2003/003085 WO2004080789A1 (ja) | 2003-03-14 | 2003-03-14 | 自動二輪車 |
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JP (1) | JP4242352B2 (ja) |
AU (1) | AU2003213379A1 (ja) |
WO (1) | WO2004080789A1 (ja) |
Cited By (3)
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JP2013010508A (ja) * | 2006-09-22 | 2013-01-17 | Nissan Motor Co Ltd | 車輪位置可変車両 |
JP2013018366A (ja) * | 2011-07-11 | 2013-01-31 | Honda Motor Co Ltd | 鞍乗型車両 |
JP2016137792A (ja) * | 2015-01-27 | 2016-08-04 | 本田技研工業株式会社 | 車両の板ばね懸架装置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6239945B2 (ja) * | 2013-11-13 | 2017-11-29 | 川崎重工業株式会社 | 鞍乗り型車両 |
JP6210852B2 (ja) * | 2013-11-13 | 2017-10-11 | 川崎重工業株式会社 | 鞍乗り型車両 |
KR101810848B1 (ko) * | 2016-01-22 | 2017-12-20 | (주)신평산업 | 각도조절수단이 구비된 자전거 |
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JPS5758576A (en) * | 1980-09-23 | 1982-04-08 | Honda Motor Co Ltd | Regulator for shock absorber in autobicycle |
JPS6177582A (ja) * | 1984-09-26 | 1986-04-21 | スズキ株式会社 | 自動二輪車用スイングア−ム |
JPH02231293A (ja) * | 1989-03-01 | 1990-09-13 | Yamaha Motor Co Ltd | 自動二輪車の構成部品配設構造 |
JPH02256583A (ja) * | 1989-03-30 | 1990-10-17 | Yamaha Motor Co Ltd | 自動二輪車のリヤアーム枢支部構造 |
-
2003
- 2003-03-14 JP JP2004569361A patent/JP4242352B2/ja not_active Expired - Fee Related
- 2003-03-14 WO PCT/JP2003/003085 patent/WO2004080789A1/ja active Application Filing
- 2003-03-14 AU AU2003213379A patent/AU2003213379A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5758576A (en) * | 1980-09-23 | 1982-04-08 | Honda Motor Co Ltd | Regulator for shock absorber in autobicycle |
JPS6177582A (ja) * | 1984-09-26 | 1986-04-21 | スズキ株式会社 | 自動二輪車用スイングア−ム |
JPH02231293A (ja) * | 1989-03-01 | 1990-09-13 | Yamaha Motor Co Ltd | 自動二輪車の構成部品配設構造 |
JPH02256583A (ja) * | 1989-03-30 | 1990-10-17 | Yamaha Motor Co Ltd | 自動二輪車のリヤアーム枢支部構造 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013010508A (ja) * | 2006-09-22 | 2013-01-17 | Nissan Motor Co Ltd | 車輪位置可変車両 |
JP2013018366A (ja) * | 2011-07-11 | 2013-01-31 | Honda Motor Co Ltd | 鞍乗型車両 |
JP2016137792A (ja) * | 2015-01-27 | 2016-08-04 | 本田技研工業株式会社 | 車両の板ばね懸架装置 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2004080789A1 (ja) | 2006-06-08 |
AU2003213379A1 (en) | 2004-09-30 |
JP4242352B2 (ja) | 2009-03-25 |
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