WO2018062996A1 - Adjustable footrest assembly - Google Patents

Adjustable footrest assembly Download PDF

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Publication number
WO2018062996A1
WO2018062996A1 PCT/NO2017/050217 NO2017050217W WO2018062996A1 WO 2018062996 A1 WO2018062996 A1 WO 2018062996A1 NO 2017050217 W NO2017050217 W NO 2017050217W WO 2018062996 A1 WO2018062996 A1 WO 2018062996A1
Authority
WO
WIPO (PCT)
Prior art keywords
base member
arm
footrest assembly
adjustable footrest
hingedly connected
Prior art date
Application number
PCT/NO2017/050217
Other languages
French (fr)
Inventor
Andreas BLEGEN
Original Assignee
Curbeater As
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 Curbeater As filed Critical Curbeater As
Publication of WO2018062996A1 publication Critical patent/WO2018062996A1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K23/00Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips
    • B62K23/08Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips foot actuated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62JCYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J25/00Foot-rests; Knee grips; Passenger hand-grips
    • B62J25/06Bar-type foot rests
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62LBRAKES SPECIALLY ADAPTED FOR CYCLES
    • B62L3/00Brake-actuating mechanisms; Arrangements thereof
    • B62L3/04Brake-actuating mechanisms; Arrangements thereof for control by a foot lever
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M25/00Actuators for gearing speed-change mechanisms specially adapted for cycles
    • B62M25/02Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers
    • B62M25/06Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers foot actuated

Definitions

  • the invention relates to an adjustable footrest assembly and, more particularly, to an adjustable footrest assembly for a motorcycle.
  • a rider When riding a motorcycle, a rider rests his or her feet on footrests positioned at respective sides of the motorcycle. Also, a footrest provides an axis of rotation upon which the sole of the foot can rotate, in order to ease braking with the right foot or shifting gears with the left foot.
  • the brake lever and gear shift lever are typically hinged about the foot rest or in the vicinity of the footrest, in order to provide smooth braking and gear shifting action.
  • the footrests also support the rider when standing up while riding, something that is not unusual although the frequency depends on riding style and type of motorcycle.
  • footrests are positioned at a fixed location on a motorcycle, but there are some footrests that can be adjusted between a few predetermined locations, most commonly in different vertical positions relative to the motorcycle.
  • the position of the footrests affect the riding style, i.e. footrests that are positioned in a higher vertical position on a motorcycle is often preferred when riding on tracks or when leaning into curves.
  • a higher vertical position of the footrests makes it possible to lean the motorcycle more in curves, i.e. the lean-angle of the motorcycle is increased.
  • a lower position of the footrests is preferred when riding for a long time, because this increases comfort and decreases fatigue.
  • Tall riders also tend to prefer footrests in a lower position, in order to maximize the angle in the knee-joint, because a sharp angle in the knee-joint can be fatiguing and reduce blood circulation, while shorter riders might want the footrests in a higher vertical position.
  • adjusting the vertical position of existing footrests is cumbersome, requires special tools and must be executed while the motorcycle is at a standstill.
  • the footrests cannot be subjected to stress while the adjusting takes place either, as the footrests are removed and repositioned.
  • the operation of adjusting existing footrests is not something which is intended to be performed every day, nor during a ride.
  • existing adjustable footrests are commonly limited to two or three fixed positions which are set by the manufacturer, and the vertically adjustable distance of the footrests is also in most cases insignificant.
  • an adjustable footrest which is operable and adjustable while a rider is riding a motorcycle, has been devised.
  • an adjustable footrest assembly for a vehicle, comprising a base member to which a footrest can be fastened, the base member having an upper part and a lower part.
  • An upper linkage arm is hingedly connected to the upper part of the base member, and a lower linkage arm is hingedly connected to the lower part of the base member.
  • At least one fixing member is hingedly connected to at least one of the upper and the lower linkage arms, for fastening the adjustable footrest assembly to a vehicle.
  • An extendable arm is connected to the base member and to one of the upper and lower linkage arms for controlling the position of the base member relative to the at least one fixing member as the extendable arm is extended or abbreviated.
  • a controllable drive unit is connected to the extendable arm.
  • controllable drive unit is an electric motor.
  • the extendable arm is hingedly connected to the base member.
  • the extendable arm is hingedly connected to one of the upper and lower linkage arms.
  • the extendable arm is a screw jack comprising a housing and a threaded rod.
  • the housing is hingedly connected to one of the upper and lower linkage arms.
  • the upper linkage arm is a double linkage arm.
  • the lower linkage arm is a double linkage arm.
  • a brake lever is pivotably connected to the base member.
  • a brake actuating mechanism is fastened to the base member.
  • a brake arm connects the brake lever to the brake actuating mechanism.
  • a gear shift lever is pivotably connected to the base member.
  • the gear shift lever is hingedly connected to a gear shift arm.
  • Figure 1 is a perspective view of an adjustable footrest assembly with a gear shift lever, mounted on the left hand side of a motorcycle.
  • Figure 2a is a side view of an isolated adjustable footrest assembly with a gear shift lever, seen from the side.
  • the adjustable footrest is in an upper position.
  • Figure 2b is a side view of an isolated adjustable footrest assembly with a gear shift lever, seen from the side.
  • the adjustable footrest is in a lower position.
  • Figure 3 is a perspective view of an adjustable footrest assembly with a brake lever, mounted on the right hand side of a motorcycle.
  • Figure 4a is a side view of an isolated adjustable footrest assembly with a brake lever, seen from the side.
  • the adjustable footrest is in an upper position.
  • Figure 4b is a side view of an isolated adjustable footrest assembly with a brake lever, seen from the side.
  • the adjustable footrest is in a lower position.
  • FIGS. 1 , 2a and 2b illustrate an adjustable footrest assembly 1 on the left hand side of a motorcycle.
  • a gear shift lever 4 On the left side of a motorcycle a gear shift lever 4 is located, something that is true for most motorcycles on the market, except for those that have automatic transmission or no gear box at all, such as electric motorcycles. It should, however, be understood that the adjustable footrest assembly 1 would work also without the presence of a gear shift lever.
  • the adjustable footrest assembly 1 is configured such that it is also fixed to the motorcycle in the bolt holes 2.
  • the adjustable footrest assembly 1 is as such secured to the frame of the motorcycle by means of two bolts 14 or similar fastening means, as is commonly known in the art.
  • the adjustable footrest assembly 1 comprises the footrest 3, which function and structure is commonly known in the art.
  • the footrest 3 can be rigid, or it can be hinged such that it is allowed to rotate upwards in case the footrest 3 comes into contact with the ground when the motorcycle is angled in a curve. Both footrest configurations are commonly known in the art.
  • the footrest assembly 1 allows the rider of a motorcycle comprising the adjustable footrest assembly 1 to change the footrest 3 into any compatible footrest on the market.
  • the footrest 3 is fastened to a base member 5 by means of an axial screw or similar, known in the art.
  • a gear shift lever 4 is pivotably connected to the base member 5, and in the illustrated embodiment it is pivotably connected to the footrest 3, but it could be pivotably connected to any point on the base member 5, as is commonly known in the art.
  • the gear shift lever 4 could be any compatible gear shift lever on the marked.
  • the base member 5 is hingedly connected to a rear end of an upper linkage arm 6, in the illustrated embodiment the upper linkage arm 6 is hingedly connected to an upper part of the base member 5.
  • the base member 5 is also hingedly connected to a rear end of a lower linkage arm 7, which is positioned below the upper linkage arm 6, and in the illustrated embodiment the lower linkage arm 7 is connected to a lower part of the base member 5.
  • the footrest 3 in the illustrated embodiment is positioned approximately in the middle along the length of the base member 5, i.e. between the upper and lower linkage arms 6, 7, but this is not a requirement.
  • the footrest 3 could be positioned closer to the upper or lower part of the base member 5, or it could even be positioned on the base member 5 above the upper linkage arm 6 or below the lower linkage arm 7, in an embodiment where the base member 5 extends above the rear end of the upper linkage arm 6, or below the rear end of the lower linkage arm 7.
  • the upper linkage arm 6 is a double linkage arm. This does not have to be the case in all embodiments of the invention. However, if the upper and lower linkage arms 6, 7 are double, this may help provide a more stiff connection.
  • a double linkage arm also allows for an extendable arm 10 (described below) to be mounted within the linkage arm, and thus make a compact and rigid assembly.
  • a forward end of the upper linkage arm 6 is hingedly connected to an upper fixing member 8.
  • the upper fixing member 8 is secured to the motorcycle by means of a bolt 14, as discussed previously.
  • a forward end of the lower linkage arm 7 is similarly hingedly connected to a lower fixing member 9, which is secured to the motorcycle by means of a bolt 14, as discussed previously.
  • the upper and lower fixing members 8,9 are in this embodiment shown as two separate members, but it could also be one fixing member with an upper and a lower hinged connection, and comprising two holes for fastening to the motorcycle.
  • the upper linkage arm 6 would be hingedly connected to an upper part of the fixing member, and the lower linkage arm 7 would be hingedly connected to a lower part of the fixing member.
  • Such an embodiment is also shown with reference to figures 3, 4a and 4b.
  • the base member 5, upper and lower linkage arms 6, 7 and the upper and lower fixing members 8, 9 thus form a structure which is hingedly connected together and which can be manipulated.
  • the structure is substantially prevented from movement in a sideway direction, i.e. in a direction generally along an axis in the longitudinal direction of the footrest 3.
  • the structure can, however, be manipulated such that the base member 5 can move up and down, while simultaneously rotating the upper and lower linkage arms 6, 7 about their forward ends (which is hingedly connected to the upper and lower fixing members 8, 9, respectively).
  • An upper position of the adjustable footrest assembly 1 is shown in figure 2a, and a lower position of the adjustable footrest assembly 1 is shown in figure 2b.
  • the illustrated embodiment includes a gear shift lever 4 pivotably connected to the base member 5 by the footrest 3, commonly known in the art.
  • a gear shift peg 19 on the gear shift lever 4 When a gear shift peg 19 on the gear shift lever 4 is pressed downwards or upwards, the gear shift lever 4 will thus rotate about its pivot axis, in the illustrated embodiment the footrest 3.
  • Hingedly connected to the gear shift lever 4 is a first gear linkage arm 15, also commonly known in the art.
  • the first gear linkage arm 15 is positioned between the gear shift lever 4 and a second gear linkage arm 16, which in turn is hingedly connected to a gear shift arm 17.
  • the second gear shift arm 16 is hingedly connected at one end to a lower part of the base member 5, at a portion of the base member 5 which in the illustrated embodiment is protruding in the forward direction. This protruding portion is located behind the gear shift lever 4 in figures 2a and 2b.
  • gear shift lever 4 When pressed downwards, the gear shift lever 4 will rotate in an anti-clockwise direction about the footrest 3, and the first gear linkage arm 15 will pull on the second gear linkage arm 16, and the second gear linkage arm 16 will rotate in a clockwise direction about the hinged connection between the second gear linkage arm 16 and the base member 5, resulting in the gear shift arm 17 being pulled.
  • the gear shift arm 17 is connected to further mechanisms on the motorcycle for transferring the pulling movement to the gear box, and as a result the gear is shifted down, as is commonly known in the art.
  • an extendable arm 10 is hingedly connected to the upper linkage arm 6.
  • the extendable arm 10 is a screw jack, comprising a housing 1 1 and a threaded rod 12, but the extendable arm could be any mechanism adapted to extend and abbreviate and which could be connected between two hinged connections, such as a telescopic arm, a pneumatically controlled arm, a rack and pinion combination, or similar.
  • the housing 1 1 of the extendable arm 10 is positioned within and hingedly connected to the double arms of the upper linkage arm 6.
  • the extendable arm 10 can be extended or abbreviated, i.e.
  • the threaded rod 12 can be extracted and retracted from the housing 1 1 , and is driven by a controllable drive unit 13 such as an electric motor.
  • the drive unit 13 could even be a hand-actuated mechanism such as a knob or wheel.
  • the electric motor 13 is in the illustrated embodiment fastened to the housing 1 1 of the extendable arm 10. However, the electric motor 13 could also be positioned elsewhere on the assembly 1 or even elsewhere on the motorcycle. In such an embodiment, the electric motor 13 could be connected to the extendable arm 10 by means of a flexible axle or similar means, as is a commonly known way of transferring mechanical action over a distance or bend.
  • the housing 1 1 is positioned between the first and second ends of the upper linkage arm 6, and in between the double linkage arms of the upper linkage arm 6, in order to make the adjustable footrest assembly 1 more compact, but in other embodiments the extendable arm 10 could also be positioned on the outside of the double linkage arms, or even on the opposite side of where the base member 5 is hingedly connected to the upper linkage arm 6, if the upper linkage arm 6 extends beyond the base member 5.
  • the extendable arm 10 could in an alternative embodiment be connected to the lower linkage arm 7 in a corresponding manner. If the extendable arm is e.g. a rack and pinion mechanism, it need not be hinged to the linkage arm 6 or the base member 5.
  • the extendable arm 10 is also hingedly connected to a middle portion of the base member 5.
  • a middle portion meaning that it is located in between the upper part and lower part, i.e. in between the upper linkage arm 6 and the lower linkage arm 7.
  • the hinged connection between the extendable arm 10 and the base member 5 is positioned on a forward side of the base member 5, but it could also be positioned elsewhere on the base member 5.
  • the extendable arm 10 could alternatively also be connected to the base member 5 below the lower linkage arm 7, or in the alternative embodiment in which the housing 1 1 is hingedly connected to the lower linkage arm 7, above the upper linkage arm 6.
  • an end of the threaded rod 12 is hingedly connected to the base member 5.
  • the electric motor 13 and screw jack mechanism inside the housing 1 1 drive the threaded rod 12 in a direction from or towards the housing 1 1 .
  • the threaded rod 12 is retracted, the hinged connection between the threaded rod 12 and the base member 5 is pulled towards the hinged connection between the housing 1 1 and the upper linkage arm 6.
  • the upper and lower linkage arms 6, 7 are rotated in an anti-clockwise direction about their hinged connections about the upper and lower fixing members 8,9, respectively, causing the base member 5 and footrest 3 to be moved in an upwards direction.
  • the base member 5 substantially maintains its orientation relative to the motorcycle.
  • the gear shift lever 4 will maintain its position and orientation relative to the footrest 3, and so the gear shift peg 19 will substantially maintain its angle and position relative to the footrest 3.
  • the electric motor 13 is not activated, i.e. the threaded rod 12 is not extracted nor retracted relative to the housing 1 1 , the position of the threaded rod 12 is fixed relative to the housing 1 1 , and the position of the base member 5 and footrest 3 is fixed.
  • the adjustable footrest assembly 1 could be dimensioned and powered such that it can be adjusted even when a rider is resting his or hers entire weight on the footrests 3, i.e. when standing up on the motorcycle.
  • the position of the footrest 3 can either be defined by the user, i.e. the user can set a predefined number of positions for the footrest 3, and can chose between these customized presets when riding, or the adjustable footrest assembly can even be configured such that the rider can continuously adjust the height of the footrest 3 while riding.
  • the height of the footrest 3 could be controlled by a switch on the handlebar of the motorcycle, which would activate and control the electric motor 13. Such a switch could be positioned anywhere on the motorcycle within easy reach for the rider while riding.
  • the electric motor 13 could advantageously be powered by the battery of the motorcycle, or another power source.
  • the adjustable footrest 1 could also be linked to the suspension settings, such that when the suspension settings are adjusted while riding, the footrest assembly is adjusted accordingly.
  • FIGS 3, 4a and 4b illustrate an adjustable footrest assembly 101 on the right hand side of a motorcycle.
  • the adjustable footrest assembly 1 on the left side of a motorcycle and the adjustable footrest assembly
  • adjustable footrest assembly 101 on the right side of a motorcycle works and function according to the same principles as described above, and the description of the adjustable footrest assembly 101 will therefore be briefer in order to avoid unnecessary repetition.
  • Corresponding components of the adjustable footrest assembly 101 is in the following description nominated with 100 plus the corresponding reference number of the corresponding component from the adjustable footrest assembly 1 .
  • the adjustable footrest assembly 101 is fixed to the motorcycle in threaded holes
  • the adjustable footrest assembly 101 comprises the footrest 103, which is fastened to a base member 105 by a screw or other means known in the art.
  • a brake lever 104 is pivotably connected to the footrest 103 as is also known in the art, but it could be pivotably connected to any point on the base member 105.
  • the brake lever 104 could be any compatible brake lever on the marked.
  • the base member 105 is hingedly connected to an upper linkage arm 106 and a lower linkage arm 107, as described with reference to the upper linkage arm 6 and lower linkage arm 7 of figures 1 , 2a and 2b.
  • a fixing member 108 in one piece adds stiffness to the assembly, and because the distance between the two bolts 1 14 on the right hand side in the illustrated embodiment is short compared to the distance between the two bolts 14 on the left hand side, a fixing member 108 in one piece is preferred.
  • the fixing member 108 is fastened to the two screw holes 102 on the motorcycle by means of bolts 1 14 similarly to the two-piece embodiment.
  • the base member 105, upper and lower linkage arms 106,107 and the fixing member 108 thus form a structure which is hingedly connected together and which can be manipulated.
  • An upper position of the adjustable footrest assembly 101 is shown in figure 4a, and a lower position of the adjustable footrest assembly 101 is shown in figure 4b.
  • a brake lever 104 is, as discussed above, pivotably connected to the footrest 103. When a brake peg 1 19 on the brake lever 104 is pressed downwards, the brake lever 104 will thus rotate in a clockwise direction about the footrest 103. Hingedly connected to the brake lever 104 is a brake arm 120, also commonly known in the art.
  • a brake actuating mechanism 121 is fastened to the base member 105. This brake actuating mechanism 121 , also known as a brake master cylinder, is rigidly fastened to the base member 105, or it could even be an integrated part of the base member 105.
  • the brake lever 104 When pressed down, the brake lever 104 will push the brake arm 120 towards the brake master cylinder 121 , thereby activating the rear brake of the motorcycle, as is commonly known in the art.
  • This way of braking is commonly known, such that the adjustable footrest assembly 101 takes advantage of utilizing known and trusted methods for activating the rear brake of a motorcycle.
  • An extendable arm 1 10 is hingedly connected to the upper linkage arm 106.
  • the extendable arm 1 10 is a screw jack, comprising a housing 1 1 1 and a threaded rod 1 12.
  • the housing 1 1 1 is positioned within and hingedly connected to the double arms of the upper linkage arm 106.
  • the threaded rod 1 12 can be extracted and retracted from the housing 1 1 1 , and is driven by an electric motor 1 13.
  • the electric motor 1 13 is fastened to the housing 1 1 1 of the extendable arm 1 10.
  • the electric motor 1 13 and screw jack mechanism inside the housing 1 1 1 drive the threaded rod 1 12 in a direction from or towards the housing 1 1 1 , and the base member 105 of the assembly 101 is moved upwards or downwards as described with reference to base member 5 of figures 1 , 2a and 2b.
  • the brake lever 104 will maintain its position and orientation relative to the footrest 103, and so the brake peg 1 19 will substantially maintain its angle and position relative to the footrest 103.
  • the assembly When controlling the height of the footrests 3, 103, it is advantageous that they are adjusted correspondingly, such that when adjusting the height, both footrests 3,103 are adjusted correspondingly and simultaneously.
  • the assembly also allows the individual rider to even adjust the left and right assemblies individually.
  • the adjustable footrest assembly 1 ,101 is advantageously made from a stiff material, such as a metal, and more preferably also a lightweight material, such as aluminum or an aluminum alloy.
  • the adjustable footrest assembly 1 , 101 could also be made from other metals and materials known in the art.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Passenger Equipment (AREA)
  • Mechanical Control Devices (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)

Abstract

An adjustable footrest assembly (1; 101) for a vehicle, comprising a base member (5; 105) to which a footrest (3; 103) can be fastened, the base member (5; 105) having an upper part and a lower part. An upper linkage arm (6; 106) hingedly connected to the upper part of the base member (5; 105); a lower linkage arm (7; 107) hingedly connected to the lower part of the base member (5; 105); at least one fixing member (8, 9; 108) hingedly connected to at least one of the upper and the lower linkage arms (6, 7; 106, 107), for fastening the adjustable footrest assembly to a vehicle; an extendable arm (10; 110) connected to the base member (5; 105) and to one of the upper and lower linkage arms (6, 7; 106, 107) for controlling the position of the base member (5; 105) relative to the at least one fixing member (8, 9; 108) as the extendable arm (10; 110) is extended or abbreviated.

Description

Adjustable footrest assembly
Field of the invention
The invention relates to an adjustable footrest assembly and, more particularly, to an adjustable footrest assembly for a motorcycle.
Background of the invention
When riding a motorcycle, a rider rests his or her feet on footrests positioned at respective sides of the motorcycle. Also, a footrest provides an axis of rotation upon which the sole of the foot can rotate, in order to ease braking with the right foot or shifting gears with the left foot. The brake lever and gear shift lever are typically hinged about the foot rest or in the vicinity of the footrest, in order to provide smooth braking and gear shifting action. The footrests also support the rider when standing up while riding, something that is not unusual although the frequency depends on riding style and type of motorcycle.
Most footrests are positioned at a fixed location on a motorcycle, but there are some footrests that can be adjusted between a few predetermined locations, most commonly in different vertical positions relative to the motorcycle. The position of the footrests affect the riding style, i.e. footrests that are positioned in a higher vertical position on a motorcycle is often preferred when riding on tracks or when leaning into curves. A higher vertical position of the footrests makes it possible to lean the motorcycle more in curves, i.e. the lean-angle of the motorcycle is increased. A lower position of the footrests is preferred when riding for a long time, because this increases comfort and decreases fatigue. Tall riders also tend to prefer footrests in a lower position, in order to maximize the angle in the knee-joint, because a sharp angle in the knee-joint can be fatiguing and reduce blood circulation, while shorter riders might want the footrests in a higher vertical position.
However, adjusting the vertical position of existing footrests is cumbersome, requires special tools and must be executed while the motorcycle is at a standstill. The footrests cannot be subjected to stress while the adjusting takes place either, as the footrests are removed and repositioned. The operation of adjusting existing footrests is not something which is intended to be performed every day, nor during a ride. Also, existing adjustable footrests are commonly limited to two or three fixed positions which are set by the manufacturer, and the vertically adjustable distance of the footrests is also in most cases insignificant.
Summary of the invention
In order to allow a rider of a motorcycle to adjust the position of the footrests while riding, in order to accommodate various riding styles and comfort settings, and to ensure easy and fast height adjustment of the footrests, an adjustable footrest which is operable and adjustable while a rider is riding a motorcycle, has been devised.
In accordance with the present invention, there is provided an adjustable footrest assembly for a vehicle, comprising a base member to which a footrest can be fastened, the base member having an upper part and a lower part. An upper linkage arm is hingedly connected to the upper part of the base member, and a lower linkage arm is hingedly connected to the lower part of the base member. At least one fixing member is hingedly connected to at least one of the upper and the lower linkage arms, for fastening the adjustable footrest assembly to a vehicle. An extendable arm is connected to the base member and to one of the upper and lower linkage arms for controlling the position of the base member relative to the at least one fixing member as the extendable arm is extended or abbreviated.
According to another embodiment of the invention, a controllable drive unit is connected to the extendable arm.
According to another embodiment of the invention, the controllable drive unit is an electric motor.
According to another embodiment of the invention, the extendable arm is hingedly connected to the base member.
According to another embodiment of the invention, the extendable arm is hingedly connected to one of the upper and lower linkage arms.
According to another embodiment of the invention, the extendable arm is a screw jack comprising a housing and a threaded rod.
According to another embodiment of the invention, the housing is hingedly connected to one of the upper and lower linkage arms. According to another embodiment of the invention, the upper linkage arm is a double linkage arm.
According to another embodiment of the invention, the lower linkage arm is a double linkage arm.
According to another embodiment of the invention, a brake lever is pivotably connected to the base member.
According to another embodiment of the invention, a brake actuating mechanism is fastened to the base member.
According to another embodiment of the invention, a brake arm connects the brake lever to the brake actuating mechanism.
According to another embodiment of the invention, a gear shift lever is pivotably connected to the base member.
According to another embodiment of the invention, the gear shift lever is hingedly connected to a gear shift arm.
Brief description of the drawings
These and other characteristics of the invention will become clear from the following description of embodiments, given as non-restrictive examples, with reference to the attached schematic drawings.
Figure 1 is a perspective view of an adjustable footrest assembly with a gear shift lever, mounted on the left hand side of a motorcycle.
Figure 2a is a side view of an isolated adjustable footrest assembly with a gear shift lever, seen from the side. The adjustable footrest is in an upper position.
Figure 2b is a side view of an isolated adjustable footrest assembly with a gear shift lever, seen from the side. The adjustable footrest is in a lower position.
Figure 3 is a perspective view of an adjustable footrest assembly with a brake lever, mounted on the right hand side of a motorcycle.
Figure 4a is a side view of an isolated adjustable footrest assembly with a brake lever, seen from the side. The adjustable footrest is in an upper position. Figure 4b is a side view of an isolated adjustable footrest assembly with a brake lever, seen from the side. The adjustable footrest is in a lower position.
Detailed description of preferred embodiments
The following description may use terms such as "horizontal", "vertical", "upper", "lower", "forward", "rear", "right", "left" etc. These terms generally refer to the views and orientations as shown in the drawings and that are associated with a normal use of a motorcycle and the invention. The terms are used for the reader's convenience only and shall not be limiting.
Referring initially to figures 1 , 2a and 2b, these figures illustrate an adjustable footrest assembly 1 on the left hand side of a motorcycle. On the left side of a motorcycle a gear shift lever 4 is located, something that is true for most motorcycles on the market, except for those that have automatic transmission or no gear box at all, such as electric motorcycles. It should, however, be understood that the adjustable footrest assembly 1 would work also without the presence of a gear shift lever.
Most footrest assemblies on most motorcycles are fastened by two screws which are received in two threaded holes 2 on a part of the motorcycle. The adjustable footrest assembly 1 is configured such that it is also fixed to the motorcycle in the bolt holes 2. The adjustable footrest assembly 1 is as such secured to the frame of the motorcycle by means of two bolts 14 or similar fastening means, as is commonly known in the art.
The adjustable footrest assembly 1 comprises the footrest 3, which function and structure is commonly known in the art. The footrest 3 can be rigid, or it can be hinged such that it is allowed to rotate upwards in case the footrest 3 comes into contact with the ground when the motorcycle is angled in a curve. Both footrest configurations are commonly known in the art. The footrest assembly 1 allows the rider of a motorcycle comprising the adjustable footrest assembly 1 to change the footrest 3 into any compatible footrest on the market. The footrest 3 is fastened to a base member 5 by means of an axial screw or similar, known in the art. A gear shift lever 4 is pivotably connected to the base member 5, and in the illustrated embodiment it is pivotably connected to the footrest 3, but it could be pivotably connected to any point on the base member 5, as is commonly known in the art. The gear shift lever 4 could be any compatible gear shift lever on the marked. The base member 5 is hingedly connected to a rear end of an upper linkage arm 6, in the illustrated embodiment the upper linkage arm 6 is hingedly connected to an upper part of the base member 5. The base member 5 is also hingedly connected to a rear end of a lower linkage arm 7, which is positioned below the upper linkage arm 6, and in the illustrated embodiment the lower linkage arm 7 is connected to a lower part of the base member 5. The footrest 3 in the illustrated embodiment is positioned approximately in the middle along the length of the base member 5, i.e. between the upper and lower linkage arms 6, 7, but this is not a requirement. The footrest 3 could be positioned closer to the upper or lower part of the base member 5, or it could even be positioned on the base member 5 above the upper linkage arm 6 or below the lower linkage arm 7, in an embodiment where the base member 5 extends above the rear end of the upper linkage arm 6, or below the rear end of the lower linkage arm 7.
In the illustrated embodiment, the upper linkage arm 6 is a double linkage arm. This does not have to be the case in all embodiments of the invention. However, if the upper and lower linkage arms 6, 7 are double, this may help provide a more stiff connection. A double linkage arm also allows for an extendable arm 10 (described below) to be mounted within the linkage arm, and thus make a compact and rigid assembly. A forward end of the upper linkage arm 6 is hingedly connected to an upper fixing member 8. The upper fixing member 8 is secured to the motorcycle by means of a bolt 14, as discussed previously.
A forward end of the lower linkage arm 7 is similarly hingedly connected to a lower fixing member 9, which is secured to the motorcycle by means of a bolt 14, as discussed previously. The upper and lower fixing members 8,9 are in this embodiment shown as two separate members, but it could also be one fixing member with an upper and a lower hinged connection, and comprising two holes for fastening to the motorcycle. In such an embodiment, the upper linkage arm 6 would be hingedly connected to an upper part of the fixing member, and the lower linkage arm 7 would be hingedly connected to a lower part of the fixing member. Such an embodiment is also shown with reference to figures 3, 4a and 4b.
The base member 5, upper and lower linkage arms 6, 7 and the upper and lower fixing members 8, 9 thus form a structure which is hingedly connected together and which can be manipulated. When the fixing members 8, 9 are fixed to the motorcycle, the structure is substantially prevented from movement in a sideway direction, i.e. in a direction generally along an axis in the longitudinal direction of the footrest 3. The structure can, however, be manipulated such that the base member 5 can move up and down, while simultaneously rotating the upper and lower linkage arms 6, 7 about their forward ends (which is hingedly connected to the upper and lower fixing members 8, 9, respectively). An upper position of the adjustable footrest assembly 1 is shown in figure 2a, and a lower position of the adjustable footrest assembly 1 is shown in figure 2b.
As discussed above, the illustrated embodiment includes a gear shift lever 4 pivotably connected to the base member 5 by the footrest 3, commonly known in the art. When a gear shift peg 19 on the gear shift lever 4 is pressed downwards or upwards, the gear shift lever 4 will thus rotate about its pivot axis, in the illustrated embodiment the footrest 3. Hingedly connected to the gear shift lever 4 is a first gear linkage arm 15, also commonly known in the art. The first gear linkage arm 15 is positioned between the gear shift lever 4 and a second gear linkage arm 16, which in turn is hingedly connected to a gear shift arm 17. The second gear shift arm 16 is hingedly connected at one end to a lower part of the base member 5, at a portion of the base member 5 which in the illustrated embodiment is protruding in the forward direction. This protruding portion is located behind the gear shift lever 4 in figures 2a and 2b.
When pressed downwards, the gear shift lever 4 will rotate in an anti-clockwise direction about the footrest 3, and the first gear linkage arm 15 will pull on the second gear linkage arm 16, and the second gear linkage arm 16 will rotate in a clockwise direction about the hinged connection between the second gear linkage arm 16 and the base member 5, resulting in the gear shift arm 17 being pulled. The gear shift arm 17 is connected to further mechanisms on the motorcycle for transferring the pulling movement to the gear box, and as a result the gear is shifted down, as is commonly known in the art. Reversely, if the gear shift lever 4 is pressed upwards, it will rotate in an clockwise direction about the footrest 3, the first gear linkage arm 15 will push on the second gear linkage arm 16, and the second gear linkage arm 16 will rotate in an anti-clockwise direction about the hinged connection between the second gear linkage arm 16 and the base member 5, resulting in the gear shift arm 17 being pushed, resulting in the gear is shifted up. This way of utilizing hinged connections for shifting gears is commonly known in the art, such that the adjustable footrest assembly 1 takes advantage of utilizing known and trusted principles for changing gears, even simultaneously with upward or downward adjustment of the footrest.
The relation between the length of the linkage arms 6, 7 and the length of the base member 5, where the length is defined as the length between the hinged
connections, provides a geometry in which the base member 5, when moved up or down, will move in an arcuate direction, corresponding to an arc about a gear shift rotation point 18. As such, the gear shift function is maintained even when the footrest 3 is moved up or down.
An extendable arm 10 is hingedly connected to the upper linkage arm 6. In the shown embodiment, the extendable arm 10 is a screw jack, comprising a housing 1 1 and a threaded rod 12, but the extendable arm could be any mechanism adapted to extend and abbreviate and which could be connected between two hinged connections, such as a telescopic arm, a pneumatically controlled arm, a rack and pinion combination, or similar. In the illustrated embodiment, the housing 1 1 of the extendable arm 10 is positioned within and hingedly connected to the double arms of the upper linkage arm 6. The extendable arm 10 can be extended or abbreviated, i.e. the threaded rod 12 can be extracted and retracted from the housing 1 1 , and is driven by a controllable drive unit 13 such as an electric motor. In an alternative embodiment the drive unit 13 could even be a hand-actuated mechanism such as a knob or wheel. The electric motor 13 is in the illustrated embodiment fastened to the housing 1 1 of the extendable arm 10. However, the electric motor 13 could also be positioned elsewhere on the assembly 1 or even elsewhere on the motorcycle. In such an embodiment, the electric motor 13 could be connected to the extendable arm 10 by means of a flexible axle or similar means, as is a commonly known way of transferring mechanical action over a distance or bend.
In the shown embodiment, the housing 1 1 is positioned between the first and second ends of the upper linkage arm 6, and in between the double linkage arms of the upper linkage arm 6, in order to make the adjustable footrest assembly 1 more compact, but in other embodiments the extendable arm 10 could also be positioned on the outside of the double linkage arms, or even on the opposite side of where the base member 5 is hingedly connected to the upper linkage arm 6, if the upper linkage arm 6 extends beyond the base member 5. The extendable arm 10 could in an alternative embodiment be connected to the lower linkage arm 7 in a corresponding manner. If the extendable arm is e.g. a rack and pinion mechanism, it need not be hinged to the linkage arm 6 or the base member 5.
The extendable arm 10 is also hingedly connected to a middle portion of the base member 5. A middle portion meaning that it is located in between the upper part and lower part, i.e. in between the upper linkage arm 6 and the lower linkage arm 7. In the illustrated embodiment, the hinged connection between the extendable arm 10 and the base member 5 is positioned on a forward side of the base member 5, but it could also be positioned elsewhere on the base member 5. The extendable arm 10 could alternatively also be connected to the base member 5 below the lower linkage arm 7, or in the alternative embodiment in which the housing 1 1 is hingedly connected to the lower linkage arm 7, above the upper linkage arm 6. In the illustrated embodiment, an end of the threaded rod 12 is hingedly connected to the base member 5.
The electric motor 13 and screw jack mechanism inside the housing 1 1 drive the threaded rod 12 in a direction from or towards the housing 1 1 . When the threaded rod 12 is retracted, the hinged connection between the threaded rod 12 and the base member 5 is pulled towards the hinged connection between the housing 1 1 and the upper linkage arm 6. Thus, because the assembly is hingedly linked together, the upper and lower linkage arms 6, 7 are rotated in an anti-clockwise direction about their hinged connections about the upper and lower fixing members 8,9, respectively, causing the base member 5 and footrest 3 to be moved in an upwards direction. During this movement, the base member 5 substantially maintains its orientation relative to the motorcycle.
Reversely, if the threaded rod 12 is extracted, the hinged connection between the threaded rod 12 and the base member 5 is pushed away from the hinged connection between the housing 1 1 and the upper linkage arm 6. Thus, the upper and lower linkage arms 6, 7 are rotated in a clockwise direction about their hinged connections about the upper and lower fixing members 8, 9, respectively, causing the base member 5 and footrest 3 to be moved in a downwards direction.
As the footrest 3 is moved upwards or downwards, the gear shift lever 4 will maintain its position and orientation relative to the footrest 3, and so the gear shift peg 19 will substantially maintain its angle and position relative to the footrest 3. When the electric motor 13 is not activated, i.e. the threaded rod 12 is not extracted nor retracted relative to the housing 1 1 , the position of the threaded rod 12 is fixed relative to the housing 1 1 , and the position of the base member 5 and footrest 3 is fixed. The adjustable footrest assembly 1 could be dimensioned and powered such that it can be adjusted even when a rider is resting his or hers entire weight on the footrests 3, i.e. when standing up on the motorcycle. The position of the footrest 3 can either be defined by the user, i.e. the user can set a predefined number of positions for the footrest 3, and can chose between these customized presets when riding, or the adjustable footrest assembly can even be configured such that the rider can continuously adjust the height of the footrest 3 while riding. The height of the footrest 3 could be controlled by a switch on the handlebar of the motorcycle, which would activate and control the electric motor 13. Such a switch could be positioned anywhere on the motorcycle within easy reach for the rider while riding. The electric motor 13 could advantageously be powered by the battery of the motorcycle, or another power source. The adjustable footrest 1 could also be linked to the suspension settings, such that when the suspension settings are adjusted while riding, the footrest assembly is adjusted accordingly.
Now referring to figures 3, 4a and 4b, these figures illustrate an adjustable footrest assembly 101 on the right hand side of a motorcycle. The adjustable footrest assembly 1 on the left side of a motorcycle and the adjustable footrest assembly
101 on the right side of a motorcycle works and function according to the same principles as described above, and the description of the adjustable footrest assembly 101 will therefore be briefer in order to avoid unnecessary repetition. Corresponding components of the adjustable footrest assembly 101 is in the following description nominated with 100 plus the corresponding reference number of the corresponding component from the adjustable footrest assembly 1 .
A few differences will, however, be highlighted herewith. On the right side of a motorcycle is a brake lever 104 located. This is true for most motorcycles on the market. It should be understood that the adjustable footrest assembly 101 would work also without the presence of such a brake lever.
The adjustable footrest assembly 101 is fixed to the motorcycle in threaded holes
102 by bolts 1 14. The adjustable footrest assembly 101 comprises the footrest 103, which is fastened to a base member 105 by a screw or other means known in the art. A brake lever 104 is pivotably connected to the footrest 103 as is also known in the art, but it could be pivotably connected to any point on the base member 105. The brake lever 104 could be any compatible brake lever on the marked.
The base member 105 is hingedly connected to an upper linkage arm 106 and a lower linkage arm 107, as described with reference to the upper linkage arm 6 and lower linkage arm 7 of figures 1 , 2a and 2b. In the embodiment shown in figures 3, 4a and 4b, there is one fixing member 108 instead of two fixing members 8, 9. A fixing member 108 in one piece adds stiffness to the assembly, and because the distance between the two bolts 1 14 on the right hand side in the illustrated embodiment is short compared to the distance between the two bolts 14 on the left hand side, a fixing member 108 in one piece is preferred. The fixing member 108 is fastened to the two screw holes 102 on the motorcycle by means of bolts 1 14 similarly to the two-piece embodiment. The base member 105, upper and lower linkage arms 106,107 and the fixing member 108 thus form a structure which is hingedly connected together and which can be manipulated. An upper position of the adjustable footrest assembly 101 is shown in figure 4a, and a lower position of the adjustable footrest assembly 101 is shown in figure 4b.
A brake lever 104 is, as discussed above, pivotably connected to the footrest 103. When a brake peg 1 19 on the brake lever 104 is pressed downwards, the brake lever 104 will thus rotate in a clockwise direction about the footrest 103. Hingedly connected to the brake lever 104 is a brake arm 120, also commonly known in the art. A brake actuating mechanism 121 is fastened to the base member 105. This brake actuating mechanism 121 , also known as a brake master cylinder, is rigidly fastened to the base member 105, or it could even be an integrated part of the base member 105. When pressed down, the brake lever 104 will push the brake arm 120 towards the brake master cylinder 121 , thereby activating the rear brake of the motorcycle, as is commonly known in the art. This way of braking is commonly known, such that the adjustable footrest assembly 101 takes advantage of utilizing known and trusted methods for activating the rear brake of a motorcycle.
An extendable arm 1 10 is hingedly connected to the upper linkage arm 106. In the shown embodiment, the extendable arm 1 10 is a screw jack, comprising a housing 1 1 1 and a threaded rod 1 12. In the illustrated embodiment, the housing 1 1 1 is positioned within and hingedly connected to the double arms of the upper linkage arm 106. The threaded rod 1 12 can be extracted and retracted from the housing 1 1 1 , and is driven by an electric motor 1 13. The electric motor 1 13 is fastened to the housing 1 1 1 of the extendable arm 1 10.
The electric motor 1 13 and screw jack mechanism inside the housing 1 1 1 drive the threaded rod 1 12 in a direction from or towards the housing 1 1 1 , and the base member 105 of the assembly 101 is moved upwards or downwards as described with reference to base member 5 of figures 1 , 2a and 2b.
As the footrest 103 is moved upwards or downwards, the brake lever 104 will maintain its position and orientation relative to the footrest 103, and so the brake peg 1 19 will substantially maintain its angle and position relative to the footrest 103.
When the electric motor 1 13 is not activated, i.e. the threaded rod 1 12 is not extracted nor retracted relative to the housing 1 1 1 , the position of the threaded rod 1 12 is fixed relative to the housing 1 1 1 , and the position of the base member 105 and footrest 103 is fixed.
When controlling the height of the footrests 3, 103, it is advantageous that they are adjusted correspondingly, such that when adjusting the height, both footrests 3,103 are adjusted correspondingly and simultaneously. However, the assembly also allows the individual rider to even adjust the left and right assemblies individually.
The adjustable footrest assembly 1 ,101 is advantageously made from a stiff material, such as a metal, and more preferably also a lightweight material, such as aluminum or an aluminum alloy. The adjustable footrest assembly 1 , 101 could also be made from other metals and materials known in the art.
While the invention has been described with reference to the embodiments mentioned above in relation to a motorcycle, it is to be understood that modifications and variations can be made without departing from the scope of the present invention. The invention could even be utilized on other vehicles where footrests are a common way of supporting the feet while riding the vehicle.

Claims

Claims
1 . An adjustable footrest assembly (1 ; 101 ) for a vehicle, comprising
a base member (5; 105) to which a footrest (3; 103) can be fastened, the base member (5; 105) having an upper part and a lower part, characterized in:
an upper linkage arm (6; 106) hingedly connected to the upper part of the base member (5; 105);
a lower linkage arm (7; 107) hingedly connected to the lower part of the base member (5; 105);
at least one fixing member (8, 9; 108) hingedly connected to at least one of the upper and the lower linkage arms (6, 7; 106, 107), for fastening the adjustable footrest assembly to a vehicle;
an extendable arm (10; 1 10) connected to the base member (5; 105) and to one of the upper and lower linkage arms (6, 7; 106, 107) for controlling the position of the base member (5; 105) relative to the at least one fixing member (8, 9; 108) as the extendable arm (10; 1 10) is extended or abbreviated.
2. The adjustable footrest assembly (1 ; 101 ) according to claim 1 , where a controllable drive unit (13; 1 13) is connected to the extendable arm (10; 1 10).
3. The adjustable footrest assembly (1 ; 101 ) according to claim 2, where the controllable drive unit (13; 1 13) is an electric motor.
4. The adjustable footrest assembly (1 ; 101 ) according to any one of the previous claims, where the extendable arm (10; 1 10) is hingedly connected to the base member (5; 105).
5. The adjustable footrest assembly (1 ; 101 ) according to any one of the previous claims, where the extendable arm (10; 1 10) is hingedly connected to one of the upper and lower linkage arms (6, 7; 106, 107).
6. The adjustable footrest assembly (1 ; 101 ) according to any one of the previous claims, where the extendable arm (10; 1 10) is a screw jack comprising a housing (1 1 ; 1 1 1 ) and a threaded rod (12; 1 12).
7. The adjustable footrest assembly (1 ; 101 ) according to claim 6, where the housing (1 1 ; 1 1 1 ) is hingedly connected to one of the upper and lower linkage arms (6, 7; 106, 107).
8. The adjustable footrest assembly (1 ; 101 ) according to any one of the previous claims, where the upper linkage arm (6; 106) is a double linkage arm.
9. The adjustable footrest assembly (1 ; 101 ) according to any one of the previous claims, where the lower linkage arm (7; 107) is a double linkage arm.
10. The adjustable footrest assembly (101 ) according to any one of the previous claims, where a brake lever (104) is pivotably connected to the base member (105).
1 1 . The adjustable footrest assembly (101 ) according to any one of the previous claims, where a brake actuating mechanism (121 ) is fastened to the base member (105).
12. The adjustable footrest assembly (101 ) according to claim 1 1 , where a brake arm (120) connects the brake lever (104) to the brake actuating mechanism (121 ).
13. The adjustable footrest assembly (1 ) according to any one of the previous claims, where a gear shift lever (4) is pivotably connected to the base member (5).
14. The adjustable footrest assembly (1 ) according to claim 13, where the gear shift lever (4) is hingedly connected to a gear shift arm (17).
PCT/NO2017/050217 2016-09-28 2017-09-04 Adjustable footrest assembly WO2018062996A1 (en)

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NO20161554A NO342529B1 (en) 2016-09-28 2016-09-28 Adjustable footrest assembly
NO20161554 2016-09-28

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Citations (7)

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Publication number Priority date Publication date Assignee Title
JPS59187577U (en) * 1983-05-31 1984-12-12 ヤマハ発動機株式会社 scooter step device
JPH02279483A (en) * 1989-04-21 1990-11-15 Honda Motor Co Ltd Movable step for motorcycle
JPH05105167A (en) * 1991-10-16 1993-04-27 Yamaha Motor Co Ltd Pedal and foot rest device of motorcycle
DE19511761A1 (en) * 1995-03-30 1996-10-02 Motorrad U Zweiradwerk Gmbh Adjustment device for footrest, foot-brake and gear lever for motorcycle
CN2683495Y (en) * 2004-01-18 2005-03-09 重庆宗申技术开发研究有限公司 Motorcycle adjustable rear pedal
US20110020060A1 (en) * 2009-07-23 2011-01-27 Mon Spencer Owyang Reversible attachment apparatus for a footpeg assembly
KR20160072581A (en) * 2014-12-15 2016-06-23 케이알모터스 주식회사 Foot rest assembly

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19830683C1 (en) * 1998-07-09 2000-03-02 Karsten Henkel Adjustable footrest for motorcycle has rotary plate supporting footrest arm via adjustment slot

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59187577U (en) * 1983-05-31 1984-12-12 ヤマハ発動機株式会社 scooter step device
JPH02279483A (en) * 1989-04-21 1990-11-15 Honda Motor Co Ltd Movable step for motorcycle
JPH05105167A (en) * 1991-10-16 1993-04-27 Yamaha Motor Co Ltd Pedal and foot rest device of motorcycle
DE19511761A1 (en) * 1995-03-30 1996-10-02 Motorrad U Zweiradwerk Gmbh Adjustment device for footrest, foot-brake and gear lever for motorcycle
CN2683495Y (en) * 2004-01-18 2005-03-09 重庆宗申技术开发研究有限公司 Motorcycle adjustable rear pedal
US20110020060A1 (en) * 2009-07-23 2011-01-27 Mon Spencer Owyang Reversible attachment apparatus for a footpeg assembly
KR20160072581A (en) * 2014-12-15 2016-06-23 케이알모터스 주식회사 Foot rest assembly

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