WO1993003957A1 - Gear change lever - Google Patents

Gear change lever Download PDF

Info

Publication number
WO1993003957A1
WO1993003957A1 PCT/AU1992/000438 AU9200438W WO9303957A1 WO 1993003957 A1 WO1993003957 A1 WO 1993003957A1 AU 9200438 W AU9200438 W AU 9200438W WO 9303957 A1 WO9303957 A1 WO 9303957A1
Authority
WO
WIPO (PCT)
Prior art keywords
gear
lever
terrain vehicle
gear lever
conversion device
Prior art date
Application number
PCT/AU1992/000438
Other languages
French (fr)
Inventor
Bruce Donald Sargent
Harry Francis White
Original Assignee
Bruce Donald Sargent
Harry Francis White
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 Bruce Donald Sargent, Harry Francis White filed Critical Bruce Donald Sargent
Publication of WO1993003957A1 publication Critical patent/WO1993003957A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/04—Ratio selector apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
    • B62M25/02—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers
    • B62M25/04—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers hand actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
    • B62M25/02—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers
    • B62M25/06—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers foot actuated

Definitions

  • the present invention relates to a gear lever device for an all terrain vehicle (ATV), and more particularly to a gear lever device which can convert a foot operated gear change of an ATV to a hand operated gear change.
  • ATV all terrain vehicle
  • SUBSTITUTE SHEET - 2 - con t end wi t h is the ex t reme difficulty of changing the gear of the motorcycle's engine.
  • Gear changes are made in the same manner as conventional two- wheeled motorcycles.
  • the travel of the gear change lever between the neutral posi t ion and the position at 5 which a gear change is achieved is quite large. In fact, this distance is so great that the rider's foot which manipulates the gear change lever can become extremely sore when the motorcycle is ridden for any length of time.
  • a gear lever device for an all terrain vehicle comprising extension means arranged to be attached to or formed as a pan of a foot activated gear change mechanism of the gearbox of the all terrain vehicle, said extension means arranged so that a rider of the all terrain vehicle can change the gear of the all terrain vehicle by hand manipulation of the extension means in addition to or rather than by manipulation of the gear change mechanism by the rider's foot.
  • a gear lever conversion device for an all terrain vehicle, said gear lever conversion device being arranged to be attached to a foot actuated gear change mechanism of the gearbox of the all terrain vehicle so that gear changes of the all terrain vehicle can be made by hand manipulation of the gear lever conversion device in addition to or rather than by manipulation of the gear change mechanism by the rider's foot.
  • the extension means is pivotally attached to the body of the all terrain vehicle such that pivotal-type movement of the extension means results in a change of gear of the engine.
  • the all terrain vehicle is a three or four wheeled motorcycle.
  • the extension means comprises bracket means arranged to be secured about the gear change mechanism, the bracket means being arranged such that a gear change can be made by either hand manipulation of the extension means or by foot manipulation of the gear change lever.
  • a gear lever conversion device for an all terrain vehicle comprising gear stick means arranged to be pivotally mounted on a mounting means arranged for attachment to the body of the all terrain vehicle, upright means depending from said gear stick means, yoke means attached to said upright means and arranged to engage about the gear change lever of the all terrain vehicle such that pivotal movement of said gear lever lifts the upright means and thereby moves the gear change lever to a position where a gear change occurs.
  • the gear stick means comprises a curved tubular rod which is pivotally mounted at its lowermost end to the mounting means.
  • the mounting means preferably comprises a plate -which is arranged to be bolted to the body of the all terrain vehicle.
  • the upright means comprises a rod welded or otherwise rigidly secured to said gear stick means.
  • the yoke means preferably comprises upper and lower rods which extend from said upright means. The upper and lower rods are arranged so as to engage about the gear change lever. The free ends of the upper and lower rods are preferably connected by a pin which passes through an aperture in each of the free ends.
  • a handle means is attached to the free end of the gear stick means.
  • Figure 1 is a perspective view of a portion of a motorcycle body with a gear lever mechanism attached to the gear change lever;
  • Figure 2 is a side view of the bracket which is attached to the gear change lever of the motorcycle.
  • Figure 1 shows a motorcycle body 10, a gear change lever 12 arranged to enable the rider to change the gear of the motorcycle gearbox and a foot rest 14 which is attached to the motorcycle body 10.
  • the gear change lever 12 comprises a substantially L-shaped arm 15. The free end of the substantially L-shaped arm 15 is formed as an engaging bar 16.
  • the rider engages the front top surface area of the toe of his boot against the underside of the engaging bar 16 and lifts the engaging bar 16 upwardly.
  • the rider's heel is positioned on the foot rest 14 and the upward lifting movement of the engaging bar 16 is performed by just raising the toes upwardly while the rider's heal remains on the foot rest 14.
  • the gear change lever 12 must be moved from the neutral position to a position at which a gear change of the engine occurs.
  • the rider disengages the toe of his boot from the underside of the engaging bar 16 and allows the gear change lever 12 to fall back into the neutral position.
  • Figure 1 also depicts a gear lever conversion device 20 which converts the gear change lever 12 from being a foot actuated lever to a hand actuated lever.
  • the gear lever conversion device 20 comprises a handle 22, a gear stick 24 which is pivotally mounted to the motorcycle body 10 and a bracket member
  • SUBSTITUTE SHEET 26 which is arranged to engage about the engaging bar 16.
  • Pivotal mounting of the gear stick 24 to the body 10 is achieved by pivotally connecting the lower end 24a of the gear stick 24 to a mounting plate 28.
  • a pin 29 which is attached to the mounting plate 28 and passes through an aperture in the lower end 24a of the gear stick 24 enables the gear stick 24 to be pivotally rotated about the longitudinal axis of the pin 29.
  • Mounting plate 28 is attached to the motorcycle body 10 by a bolt 30 and a brace 32.
  • the end 24a of the gear stick lever 24 is mounted in an aperture in the mounting plate 28.
  • a loose running fit provided between the end 24a of the gear stick and the aperture in the plate 28 enables the gear stick lever 24 to be moved pivotally about the longitudinal axis of the aperture.
  • Bracket member 26 comprises an upright member 34 and upper and lower cross-members 36, 38.
  • Upright member 34, and upper and lower cross- members 36, 38 are formed as rods.
  • Upper and lower cross-members 36, 38 are welded to upright member 34 and are arranged to engage respectively against the top and underside surface of a portion of the L-shaped arm 15.
  • the free ends 36a, 38a of the cross-members 36, 38 are each formed with an aperture 40 in which a split pin 42 may be fitted.
  • the split pin 42 is sized so that the head 43 of the split pin 42 will not pass through each of the apertures 40.
  • the split shank 44 of the split pin 42 is of a length such that it will pass through the aperture 40 in each of the cross-members 36, 38.
  • the length of the split shank 44 of the split pin 42 is sufficient so as to extend through the aperture 40 in the lower cross-member 38 and to enable the ends of the split shank 44 to be bent over to prevent the pin 42 from falling out of the apertures 40.
  • the lower portion 34a of the upright member 34, the upper and lower cross-members 36, 38 and the split shank 44 of the split pin 42 form a yoke which is engaged about the substantially L-shaped arm 15. (see Figure 2).
  • SUBSTITUTE SHEET Figure 1 it is possible to change the gear of the motorcycle gearbox by movement of the gear stick 24 as well as by foot manipulation of engaging bar 16.
  • upright member 34 is caused to lift upwardly.
  • This upward movement of the upright member 34 in turn lifts the L-shaped arm 15 of the gear change lever 12 upwardly to a position wherein the gear of the motorcycle gearbox is caused to change.
  • the gear stick 24 is released by the rider it falls back to its position prior to pivotal movement and the gear change lever 12 is allowed to fall back to the neutral position.
  • the gear lever device described provides a simple yet inexpensive way to convert a foot operated gear change on an all terrain vehicle to a hand operated mechanism.
  • the embodiment of the present invention is both simple in design and can be easily fitted to conventional foot operated motorcycle gear change levers.

Abstract

A gear change device (20) for an all-terrain vehicle, such as a three or four wheeled motorcycle. The gear change device (20) has an extension (24) to the foot operated gear change lever (12) for alternative hand operation.

Description

GEAR CHANGE LEVER
The present invention relates to a gear lever device for an all terrain vehicle (ATV), and more particularly to a gear lever device which can convert a foot operated gear change of an ATV to a hand operated gear change.
All terrain vehicles such as three and four wheeled motorcycles are now widely used on most farms and properties. Three and four wheeled motorcycles have proved particularly successful for carrying out every day tasks because of their stability and general ease to ride.
One problem which riders of three and four wheeled motorcycles have had to
SUBSTITUTE SHEET - 2 - contend with is the extreme difficulty of changing the gear of the motorcycle's engine. Gear changes are made in the same manner as conventional two- wheeled motorcycles. However, in three and four wheeled motorcycles the travel of the gear change lever between the neutral position and the position at 5 which a gear change is achieved is quite large. In fact, this distance is so great that the rider's foot which manipulates the gear change lever can become extremely sore when the motorcycle is ridden for any length of time. The pain experienced by the rider in his foot, ankle and groin area can become so great that, in many instances, the rider will simply avoid changing gears and 0 consequently the engine is run at a higher revolution rate than is desirable. Although riders of these forms of motorcycles generally understand the damage that they are doing to the engine of their motorcycle by not changing gears, they see this as being preferable to suffering continued pain in then- foot, groin and ankle. In order to avoid this problem and therefore maximise the life of the engine of the motorcycle there is a need to provide an improved device for changing the gears of the engine of three and four wheeled motorcycles.
According to a first aspect of the present invention there is provided a gear lever device for an all terrain vehicle comprising extension means arranged to be attached to or formed as a pan of a foot activated gear change mechanism of the gearbox of the all terrain vehicle, said extension means arranged so that a rider of the all terrain vehicle can change the gear of the all terrain vehicle by hand manipulation of the extension means in addition to or rather than by manipulation of the gear change mechanism by the rider's foot.
According to a second aspect of the present invention there is provided a gear lever conversion device for an all terrain vehicle, said gear lever conversion device being arranged to be attached to a foot actuated gear change mechanism of the gearbox of the all terrain vehicle so that gear changes of the all terrain vehicle can be made by hand manipulation of the gear lever conversion device in addition to or rather than by manipulation of the gear change mechanism by the rider's foot.
Preferably, the extension means is pivotally attached to the body of the all terrain vehicle such that pivotal-type movement of the extension means results in a change of gear of the engine.
Preferably, the all terrain vehicle is a three or four wheeled motorcycle.
Preferably, the extension means comprises bracket means arranged to be secured about the gear change mechanism, the bracket means being arranged such that a gear change can be made by either hand manipulation of the extension means or by foot manipulation of the gear change lever.
According to a third aspect of the present invention there is provided a gear lever conversion device for an all terrain vehicle comprising gear stick means arranged to be pivotally mounted on a mounting means arranged for attachment to the body of the all terrain vehicle, upright means depending from said gear stick means, yoke means attached to said upright means and arranged to engage about the gear change lever of the all terrain vehicle such that pivotal movement of said gear lever lifts the upright means and thereby moves the gear change lever to a position where a gear change occurs.
Preferably, the gear stick means comprises a curved tubular rod which is pivotally mounted at its lowermost end to the mounting means. The mounting means preferably comprises a plate -which is arranged to be bolted to the body of the all terrain vehicle. Preferably, the upright means comprises a rod welded or otherwise rigidly secured to said gear stick means. The yoke means preferably comprises upper and lower rods which extend from said upright means. The upper and lower rods are arranged so as to engage about the gear change lever. The free ends of the upper and lower rods are preferably connected by a pin which passes through an aperture in each of the free ends.
SUBSTITUTE SHEET Preferably, a handle means is attached to the free end of the gear stick means.
An embodiment of the invention will now be described by way of example only with reference to the accompanying drawings in which:-
Figure 1 is a perspective view of a portion of a motorcycle body with a gear lever mechanism attached to the gear change lever; and
Figure 2 is a side view of the bracket which is attached to the gear change lever of the motorcycle.
Figure 1 shows a motorcycle body 10, a gear change lever 12 arranged to enable the rider to change the gear of the motorcycle gearbox and a foot rest 14 which is attached to the motorcycle body 10. The gear change lever 12 comprises a substantially L-shaped arm 15. The free end of the substantially L-shaped arm 15 is formed as an engaging bar 16.
To make a gear change in the conventional manner, the rider engages the front top surface area of the toe of his boot against the underside of the engaging bar 16 and lifts the engaging bar 16 upwardly. Normally, the rider's heel is positioned on the foot rest 14 and the upward lifting movement of the engaging bar 16 is performed by just raising the toes upwardly while the rider's heal remains on the foot rest 14. The gear change lever 12 must be moved from the neutral position to a position at which a gear change of the engine occurs. At the completion of a gear change the rider disengages the toe of his boot from the underside of the engaging bar 16 and allows the gear change lever 12 to fall back into the neutral position.
Figure 1 also depicts a gear lever conversion device 20 which converts the gear change lever 12 from being a foot actuated lever to a hand actuated lever. The gear lever conversion device 20 comprises a handle 22, a gear stick 24 which is pivotally mounted to the motorcycle body 10 and a bracket member
SUBSTITUTE SHEET 26 which is arranged to engage about the engaging bar 16.
Pivotal mounting of the gear stick 24 to the body 10 is achieved by pivotally connecting the lower end 24a of the gear stick 24 to a mounting plate 28. A pin 29 which is attached to the mounting plate 28 and passes through an aperture in the lower end 24a of the gear stick 24 enables the gear stick 24 to be pivotally rotated about the longitudinal axis of the pin 29. Mounting plate 28 is attached to the motorcycle body 10 by a bolt 30 and a brace 32. In an alternative embodiment, the end 24a of the gear stick lever 24 is mounted in an aperture in the mounting plate 28. A loose running fit provided between the end 24a of the gear stick and the aperture in the plate 28 enables the gear stick lever 24 to be moved pivotally about the longitudinal axis of the aperture.
Bracket member 26 comprises an upright member 34 and upper and lower cross-members 36, 38. Upright member 34, and upper and lower cross- members 36, 38 are formed as rods. Upper and lower cross-members 36, 38 are welded to upright member 34 and are arranged to engage respectively against the top and underside surface of a portion of the L-shaped arm 15. The free ends 36a, 38a of the cross-members 36, 38 are each formed with an aperture 40 in which a split pin 42 may be fitted. The split pin 42 is sized so that the head 43 of the split pin 42 will not pass through each of the apertures 40. The split shank 44 of the split pin 42 is of a length such that it will pass through the aperture 40 in each of the cross-members 36, 38. The length of the split shank 44 of the split pin 42 is sufficient so as to extend through the aperture 40 in the lower cross-member 38 and to enable the ends of the split shank 44 to be bent over to prevent the pin 42 from falling out of the apertures 40. The lower portion 34a of the upright member 34, the upper and lower cross-members 36, 38 and the split shank 44 of the split pin 42 form a yoke which is engaged about the substantially L-shaped arm 15. (see Figure 2).
With the gear lever device 20 attached to the gear change lever 12 as shown in
SUBSTITUTE SHEET Figure 1 it is possible to change the gear of the motorcycle gearbox by movement of the gear stick 24 as well as by foot manipulation of engaging bar 16. When the gear stick 24 is moved upwardly and forwardly so as to pivot the gear stick 24 about the pin 29 in the mounting plate 28, upright member 34 is caused to lift upwardly. This upward movement of the upright member 34 in turn lifts the L-shaped arm 15 of the gear change lever 12 upwardly to a position wherein the gear of the motorcycle gearbox is caused to change. When the gear stick 24 is released by the rider it falls back to its position prior to pivotal movement and the gear change lever 12 is allowed to fall back to the neutral position.
The gear lever device described provides a simple yet inexpensive way to convert a foot operated gear change on an all terrain vehicle to a hand operated mechanism. The embodiment of the present invention is both simple in design and can be easily fitted to conventional foot operated motorcycle gear change levers.
The embodiment has been described by way of example only and modifications are possible within the scope of the invention.
SUBSTITUTE SHEET

Claims

CLAIMS:
1. A gear lever conversion device for an all terrain vehicle, said gear lever conversion device being arranged to be attached to a foot actuated gear change mechanism of the gearbox of the all terrain vehicle so that gear changes of the all terrain vehicle can be made by hand manipulation of the gear lever conversion device in addition to or rather than by manipulation of the gear change mechanism by the rider's foot.
2. A gear lever device for an all terrain vehicle comprising extension means arranged to be attached to or formed as a part of a foot activated gear change mechanism of the gearbox of the all terrain vehicle, said extension means arranged so that a rider of the all terrain vehicle can change the gear of the all terrain vehicle by hand manipulation of the extension means in addition to our rather than by manipulation of the gear change mechanism by the rider's foot.
3. ' A gear lever device according to claim 2 wherein the extension means is pivotally attached to the body of the all terrain vehicle such that pivotal-type movement of the extension means results in a change of gear of the engine.
4. A gear lever device according to claim 2 or claim 3 wherein the extension means comprises bracket means arranged to be secured about the gear change mechanism, the bracket means being arranged such that a gear change can be made by either hand manipulation of the extension means or by foot manipulation of the gear change lever.
5. A gear lever conversion device for an all terrain vehicle comprising gear stick means arranged to be pivotally mounted on a mounting means arranged for attachment to the body of the all terrain vehicle, upright means depending from said gear stick means, yoke means attached to said upright means and arranged to engage about the gear change lever of the all terrain vehicle such
SUBSTITUTE SHEET I 92/00438
8 that pivotal movement of said gear lever lifts the upright means and thereby moves the gear change lever to a position where a gear change occurs.
6- A gear lever conversion device according to claim 5 wherein the gear stick means comprises a curved tubular rod which is pivotally mounted substantially adjacent its lowermost end to the mounting means.
7- A gear lever conversion device according to claim 5 or claim 6 wherein the mounting means comprises a plate which is arranged to be bolted or otherwise rigidly connected to the body of the all terrain vehicle.
8. A gear lever conversion device according to any one of claims 5 to 7 wherein the upright means comprises a rod welded or otherwise rigidly connected to said gear stick means.
9. A gear lever conversion device according to any one of claims 5 to 8 wherein the yoke means comprises upper and lower rods which extend from said upright means.
10. A gear lever conversion device according to claim 9 wherein the upper and lower rods are arranged so as to engage about the gear change lever.
11. A gear lever conversion device according to claim 9 or claim 10 wherein the free ends of the upper and lower rods are connected by pin means which passes through an aperture in each of the free ends.
12. A gear lever device according to any one of claims 5 to 11 wherein a handle means is attached to the free end of the gear stick means.
13. A gear lever device or a gear lever conversion device according to any one of the preceding claims wherein the all terrain vehicle comprises a three or four wheeled motorcycle.
SUBSTITUTE SHEE ETT I
14. An all terrain vehicle fitted with a gear lever device or gear lever conversion device according to any one of the preceding claims.
SUBSTITUTE SHEET
PCT/AU1992/000438 1991-08-22 1992-08-18 Gear change lever WO1993003957A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPK793591 1991-08-22
AUPK7935 1991-08-22

Publications (1)

Publication Number Publication Date
WO1993003957A1 true WO1993003957A1 (en) 1993-03-04

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ID=3775640

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1992/000438 WO1993003957A1 (en) 1991-08-22 1992-08-18 Gear change lever

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WO (1) WO1993003957A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016214354A1 (en) * 2016-08-03 2018-02-08 Audi Ag Circuit system for a motor vehicle, motor vehicle and method for operating a circuit system

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1342372A (en) * 1919-07-10 1920-06-01 John C Carmody Attachment for automobile-controlling pedals
US2094163A (en) * 1934-08-10 1937-09-28 Audi Ag Gear controlling means for motorcycles
US3537328A (en) * 1969-05-28 1970-11-03 Deere & Co Combined hand lever and foot pedals for controlling vehicle speed and direction
US3600968A (en) * 1969-10-23 1971-08-24 Anthony T D Andrea Adapter assembly for standard hand-lever operated machines
US3850048A (en) * 1973-10-03 1974-11-26 P Moore Hand operated actuating device for a vehicle brake pedal
US4040306A (en) * 1976-04-12 1977-08-09 J. I. Case Company Forward and reverse mechanism having a single direction
US4741222A (en) * 1987-06-03 1988-05-03 Berndt Thomas J Manual shifting device
AU2119488A (en) * 1987-08-21 1989-02-23 John Lingenti Vehicle control apparatus
US5121651A (en) * 1990-04-04 1992-06-16 Bristow Norman W Normax quick release bracket

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1342372A (en) * 1919-07-10 1920-06-01 John C Carmody Attachment for automobile-controlling pedals
US2094163A (en) * 1934-08-10 1937-09-28 Audi Ag Gear controlling means for motorcycles
US3537328A (en) * 1969-05-28 1970-11-03 Deere & Co Combined hand lever and foot pedals for controlling vehicle speed and direction
US3600968A (en) * 1969-10-23 1971-08-24 Anthony T D Andrea Adapter assembly for standard hand-lever operated machines
US3850048A (en) * 1973-10-03 1974-11-26 P Moore Hand operated actuating device for a vehicle brake pedal
US4040306A (en) * 1976-04-12 1977-08-09 J. I. Case Company Forward and reverse mechanism having a single direction
US4741222A (en) * 1987-06-03 1988-05-03 Berndt Thomas J Manual shifting device
AU2119488A (en) * 1987-08-21 1989-02-23 John Lingenti Vehicle control apparatus
US5121651A (en) * 1990-04-04 1992-06-16 Bristow Norman W Normax quick release bracket

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016214354A1 (en) * 2016-08-03 2018-02-08 Audi Ag Circuit system for a motor vehicle, motor vehicle and method for operating a circuit system
DE102016214354B4 (en) * 2016-08-03 2018-04-12 Audi Ag Circuit system for a motor vehicle, motor vehicle and method for operating a circuit system

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