GB2402992A - Giving feel to a driving simulator clutch pedal with a compressible return stop and a restoring means - Google Patents

Giving feel to a driving simulator clutch pedal with a compressible return stop and a restoring means Download PDF

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Publication number
GB2402992A
GB2402992A GB0314513A GB0314513A GB2402992A GB 2402992 A GB2402992 A GB 2402992A GB 0314513 A GB0314513 A GB 0314513A GB 0314513 A GB0314513 A GB 0314513A GB 2402992 A GB2402992 A GB 2402992A
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Prior art keywords
pedal
clutch pedal
stop
engaging arm
engaging
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GB0314513A
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GB0314513D0 (en
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David A Nicholson
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Individual
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Individual
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Priority to GB0314513A priority Critical patent/GB2402992A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/30—Controlling members actuated by foot
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/30—Controlling members actuated by foot
    • G05G1/44—Controlling members actuated by foot pivoting
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/01—Indexing scheme relating to G06F3/01
    • G06F2203/013—Force feedback applied to a game

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Human Computer Interaction (AREA)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
  • Mechanical Control Devices (AREA)

Abstract

A pedal assembly (e.g. as a clutch input into a computer driving simulation game) has a pedal head 101 linked to a potentiometer, with maximum travel stops 106, (201, fig 2), restoring means 107 and an adjustable compressible return stop 104 to give feel (e.g. a simulated biting point) to the pedal. The return stop may be mounted to the side of the pedal (fig 2), and may be adjusted with e.g. a screw thread, adhesive or hook and loop fastenings. Compressible stops may have rubber portions that are tapered (fig 4a); rounded or flat (fig 4b); cylindrical (fig 4c) or of an elongate wedge shape (fig 4c), and engage a profiled pedal arm 102 or stop engaging means (200, fig 2). A combination of stops (fig 3) may give a more complex feel. A connector cable (203, fig 2) may also adjust the feel. Three pedals may be adjustably mounted in a frame (fig 5) to simulate accelerator, brake and clutch pedals.

Description

PEDAL DEVICE
Field of the Invention
The present invention relates to a pedal device, and in particular, although not exclusively, to a pedal device configured for use with a computer programme.
Background to the Invention
For use in simulation games, and in particular driving simulation games, it is known to use pedal-style computer input devices to allow a user to experience a more realistic simulated driving experience. Typically, such pedal-input devices are based around the design of vehicle pedals where a user depresses the pedal by application of force to a pedal head. Various forms of pedal input device exist, in particular brake pedal input devices, operating via a variety of actions in attempt to simulate a feel of a real-life brake pedal. Examples can be found in US 5,116,051, FR 2682508, CA 2,146,839 and BE 1002625.
In particular JP 2002049432, being a brake pedal simulator, utilises a rubber resistor connected through a shaft to a pedal brake head such that the rubber is compressed by a user stepping on the brake pedal.
As computer driving games and simulator programmed become more sophisticated there is a corresponding requirement for an increased sense of realism at the physical interface between the pedal input devices and the user.
Moreover, as many real-life driving experiences involve the use of a clutch, the inventors have realised a need for a clutch pedal input device being configured to achieve a very real clutch pedal feel when used with a computer driving simulator.
In particular, a clutch simulator pedal is required to replicate, near exactly, the feel and sensitivity of real-life vehicle clutch pedals. For example, the change and feel of a clutch pedal from maximum depression and subsequent release of the pedal through the biting point up to full engagement of the engine.
Due to a lack of sophistication associated with prior art pedal input devices a user cannot tailor the feel of the clutch pedal to a sufficient degree so as to simulate the feel of a variety of real-life vehicle clutch systems.
The inventors have realised various disadvantages associated with known simulator clutch pedal input devices. For example, such devices are relatively simple, unsophisticated in construction and have a corresponding low level of simulation and therefore unrealistic feel. For the majority of real-life clutch systems following depression and slow release of the clutch a user experiences a biting-point signifying release of the clutch and engagement of the engine. The way with which the clutch is released and the position and feel of the biting-point is specific to a particular vehicle and a certain degree of familiarity must be established with the clutch system to allow efficient and effective vehicle control.
Clearly, the associated pedal feel close to the biting point is critically important within vehicle clutch pedal simulator devices.
So Accordingly, the inventors have realised a need for a pedal input device, and in particular a clutch pedal input device of relatively simple design having a high degree of adjustment and feel so as to allow a user to simulate, almost exactly, the feel associated with a variety of real-life clutch systems. In particular, reproducible and enhanced feel is required at and around the simulated clutch s biting point.
Summary of the Invention
On realising the disadvantages associated with prior art pedal input devices the inventors provide a pedal, and in particular a clutch pedal, configured for use 3 o with computer programmed and in particular vehicle driving computer games and simulators. The clutch pedal computer input device comprises a simple design involving minimal moving parts and components whilst achieving maximum realism and feel simulation when compared with that of real-life vehicle clutch systems. Due to the construction of the clutch pedal system disclosed herein, complete adjustment and alteration of the feel of the simulated clutch action, and in particular the simulated clutch biting-point is achieved. The clutch system, disclosed herein, is not restricted to discreet pre-set pedal positions providing in turn a vast number of possible pedal configurations and associated real-life clutch vehicle systems.
In a specific implementation, the clutch pedal comprises a displaceable To engaging arm, being connected to a pedal head, the engaging arm being either pivotally or slidably mounted so as to allow displacement in a first direction in response to an applied force to the pedal head. Suitable pivot means or means to allow slidable displacement may be provided allowing a smooth and real-life displacement feel of the pedal device.
Restoring means are provided, being configured to provide a return force and displacement of the clutch pedal in a second or return direction to that of the initial displacement resulting from the applied force. For example, a spring may be adjustably positioned or connected to the clutch pedal to allow such a 2 o restoring force. Such restoring means may be adjustable to enhance the realistic feel of the clutch system. Moreover, the restoring means may be adjustably positioned at the clutch pedal to allow alteration of the degree and extent of the restoring force in addition to the magnitude of the applied force required to depress the clutch pedal.
At least one compressible stop is provided being configured for engagement by the returning clutch pedal during the second or return displacement. According to specific implementations of the present invention, the engaging arm or a suitable stop engaging means may be configured to engage so the at least one compressible stop during the return displacement of the clutch pedal. For example, the position and orientation of the stop relative to the engaging arm and/or stop engaging means and the multiplicity and composition of the compressible stop may be adjusted to achieve the desired clutch feel at and around the simulated biting-point of the clutch. By allowing the compressible stop to be freely engaged by the returning clutch pedal, unaffected progressive resistance is experienced by a user on decreasing the magnitude of applied force so as to allow the clutch pedal to return on to the stop thereby simulating the biting-point.
By utilising a plurality of compressible stops, being adjustably positioned at a stop mount, a vast number of resistance configurations may be set, providing in o turn a vast number of clutch system simulation configurations.
In particular, the shape of the compressible stop or compressible stops may be selectively adjusted so as to extend the adjustment capability of the clutch pedal simulator system. According to a specific implementation of the present invention, the compressible stop or plurality of compressible stops comprises one or a plurality of rubber stops having a single or plurality of different shapes.
According to a first aspect of the present invention there is provided a clutch pedal simulator comprising: a clutch pedal being configured for displacement in a first direction in response an applied force; restoring means being configured to provide a displacement of said clutch pedal in a return direction; and at least one compressible stop being configured for engagement by said clutch pedal during displacement of said clutch pedal in said return direction.
so Preferably, the clutch pedal further comprises pivot means, said pivot means being configured to allow pivotal displacement of said clutch pedal in said first and return direction.
Preferably, the clutch pedal further comprises a stop mount, said at least one compressible stop being adjustably mounted at said stop mount.
Preferably, the clutch pedal further comprises: an engaging arm being provided between said pivot means and a pedal head.
Preferably, said engaging arm is configured for engaging said at least one compressible stop.
Preferably, said pivot means is connected substantially at a first end of said engaging arm and said pedal head is connected at substantially a second end of said engaging arm.
Preferably, the clutch pedal further comprises stop engaging means being connected to said engaging arm, wherein said stop engaging means is configured for engaging said at least one compressible stop during displacement 2 o of said clutch pedal in said return direction.
Preferably, said restoring means is connected to said clutch pedal.
Preferably, said restoring means is connected to said engaging arm.
Preferably, the clutch pedal further comprises a potentiometer being configured to convert displacement of said clutch pedal into an electrical signal.
Preferably, said potentiometer is a radial potentiometer mounted at said 3 o pivot means.
Preferably, said potentiometer is a sliding potentiometer connected to said clutch pedal.
Preferably, said clutch pedal is a adjustably mounted on a frame.
Preferably, said frame is configured to allow movement of said clutch pedal in a direction substantially parallel to a length of said clutch pedal and a direction substantially perpendicular to said length of said clutch pedal.
To Preferably, the clutch pedal further comprises a maximum travel stop being configured to arrest displacement of said clutch pedal beyond a predetermined maximum displacement in said first direction.
Preferably, the clutch pedal further comprises a pedal return stop configured to arrest displacement of said clutch pedal beyond a predetermined maximum displacement in said return direction.
Preferably, said restoring means is a spring.
According to a second aspect of the present invention there is provided a clutch pedal simulator comprising: a clutch pedal head; an engaging arm being connected to said clutch pedal head; restoring means being configured to provide a return force to said clutch pedal in response to displacement of said clutch pedal head; and at least one compressible stop being configured for engagement by said clutch pedal during a return displacement of said clutch pedal.
Preferably, said engaging arm is configured to engage said at least one compressible stop.
Preferably, said engaging arm comprises a substantially square cross section.
Preferably, said engaging arm comprises a substantially triangular crosssection.
Preferably, said engaging arm comprises a substantially diamond cross section.
Preferably, said engaging arm comprises a substantially elliptical crosssection.
Preferably, said pedal head is connected to said engaging arm via a pedal support arm.
Preferably, said pedal support arm is adjustably connected to said engaging arm wherein said pedal head is adjustably positioned along a length of said engaging arm.
Preferably, an angle by which said pedal head extends from said engaging
arm is adjustable.
Preferably, said engaging arm is a metal or metal alloy.
Preferably, the clutch pedal further comprises stop engaging means, said stop engaging means being configured for engaging said at least one o compressible stop during said return displacement of said clutch pedal.
Preferably, said stop engaging means are connected to said engaging arm.
Preferably, said stop engaging means comprises a substantially square cross-section.
Preferably, said stop engaging means comprises a substantially triangular cross-section.
Preferably, said stop engaging means comprises a substantially diamond cross-section.
lo Preferably, said stop engaging means comprises a substantially elliptical cross-section.
According to a third aspect of the present invention there is provided a pedal configured for use with a driving simulation computer programme; said pedal comprising: an engaging arm being connected to a pedal head, said engaging arm and said pedal head being configured for displacement in a first direction in response to an applied force; restoring means being configured to provide a displacement of said engaging arm and said pedal head in a return direction; and at least one compressible stop being configured for engagement by said engaging arm during displacement of said engaging arm and said pedal head in said return direction.
Preferably, said engaging arm is slidably mounted to allow a sliding displacement of said engaging arm and said pedal head.
Preferably, said engaging arm is pivotally mounted, wherein said engaging arm and said pedal head are pivotally displaceable.
Preferably, said engaging arm is pivotally substantially at one end.
Preferably, the pedal further comprises a stop mount wherein said compressible stop is adjustably positioned at said stop mount.
Preferably, said compressible stop is adjustably positioned along a length of said stop mount.
Preferably, a distance between said compressible stop and said engaging
arm is adjustable.
Preferably, said stop mount is configured to support a plurality of compressible stops configured for engagement by said engaging arm.
s Preferably, said compressible stop comprises a tapered portion, wherein said tapered portion tapers towards said engaging arm.
Preferably, said tapered portion defines a leading edge of said compressible stop, said leading edge being engaged by said engaging arm.
Preferably, said restoring means comprises a spring.
Preferably, said restoring means comprises and elasticated member.
s According to a fourth aspect of the present invention there is provided a pedal configured for use with a driving simulation computer programme, said pedal comprising: a pivotably mounted displaceable arm; a pedal head extending from displaceable arm; restoring means being configured to provide a return force to said pedal in response to an applied force to said pedal head; and at least one compressible stop being configured for engagement by said pedal during displacement of said pedal in a return direction; wherein displacement of said pedal in said return direction is gradually arrested by said at least one compressible stop.
o Brief Description of the Drawinas
For a better understanding of the invention and to show how the same may be carried into effect, there will now be described by way of example only, specific embodiments, methods and processes according to the present invention with reference to the accompanying drawings in which: Figure 1 illustrates a side elevation view of the clutch pedal according to a specific implementation of the present invention; Figure 2 illustrates a side elevation view of the clutch pedal according to a 2 o further specific implementation of the present invention; Figure 3 illustrates a side cross-sectional view of a plurality of compressible stops positioned at a stop mount according to a specific implementation of the present invention; Figure 4a illustrates a perspective view of a compressible stop according to a specific implementation of the present invention; Figure 4b illustrates a perspective view of a compressible stop according to o a specific implementation of the present invention; Figure 4c illustrates a perspective view of a compressible stop according to a specific implementation of the present invention; Figure 4d illustrates a perspective view of a compressible stop according to a specific implementation of the present invention; Figure 5 illustrates an adjustable mounting of the clutch pedal onto a frame according to a specific implementation of the present invention.
To Detailed Description
There will now be described by way of example a specific mode contemplated by the inventors. In the following description numerous specific details are set forth in order to provide a thorough understanding. It will be apparent however, to one skilled in the art, that the present invention may be practiced without limitation to these specific details. In other instances, well known methods and structures have not been described in detail so as not to
unnecessarily obscure the description.
Specific implementations of the present invention are aimed at a clutch o pedal system configured to simulate, near exactly, a plurality of different real-life vehicle clutch systems. The clutch system disclosed herein is designed specifically to simulate real-life clutch systems with regard to feel and adjustability. A realistic clutch pedal feel is achieved through simple construction and minimal component parts whilst allowing a vast degree of component s adjustability so as to achieve and provide a clutch pedal configured to simulate a plurality of different vehicle clutch systems.
The present invention utilises at least one compressible stop being configured to interface with a displaceable engaging arm or stop engaging means. The at least one compressible stop is engaged by the clutch pedal during a return or restoring displacement following an initial displacement of the clutch pedal in a first direction in response to an applied force to the clutch pedal via a user's foot. Restoring means are provided so as to restore the clutch pedal to an initial position via displacement in a return direction whereby engagement of the at least one compressible stop is encountered. Accordingly, a user depresses the clutch pedal such that following a decrease in the magnitude of force applied to the pedal the clutch pedal returns in a return direction so as to engage the at least one compressible stop upon which engagement the user experiences resistance in the returning clutch thereby simulating a clutch biting- point.
To As the compressible stop, being by way of example a rubber stop, is not connected directly or indirectly to the engaging arm or stop engaging means, an unrestricted, smooth and progressive resistance is experienced by a user during return of the clutch pedal. A considerably sensitive clutch system is thereby provided due to an engaging of the compressible stop by the returning clutch pedal (engaging arm or stop engaging means).
According to specific implementations of the present invention the compressible stop is infinitely adjustable relative to the engaging arm or stop engaging means with regard to the relative positioning, orientation, size and 2 o shape (such parameters being non-exhaustive) of the stop. Through the utilization of a plurality of compressible stops, positioned opposed to the engaging arm or stop engaging means, a vast number of resistance configurations may be achieved. As detailed below, variation of the relative distance between the compressible stop(s) and engaging arm or stop engaging means, the angle of orientation of the compressible stop relative to the engaging arm or stop engaging means and the shape and size of the compressible stop(s) may be individually adjusted so as to achieve the desired resistance response and feel of the clutch pedal, in particular a simulation of the clutch biting-point.
so Referring to Figure 1 herein there is illustrated a side elevation view of the clutch pedal 100 comprising pedal head 101; an engaging arm 102; pivot means 103; at least one compressible stop 104; pedal head support arm 105; maximum travel stop 106; restoring means 107; fixing means 108, 109; stop mount 110; adjustment means 1 1 1; pedal block floor 1 12 and base 1 13.
According to the specific implementation of the present invention pedal head 101 is adjustably connected to engaging arm 102 via support arm 105 and adjustment means 111. Accordingly, pedal head 101 may be adjustably positioned, including pivotally mounted, relative to engaging arm 102 (including angle of displacement from and displacement along, engaging arm 102).
Displaceable engaging arm 102 is pivotally mounted, substantially at one end via To pivot means 103, engaging arm 102 and pedal head 101 being configured to pivot about pivot means 103.
Compressible 104 is adjustably positioned at stop mount 110. According to a specific implementation of the present invention stop mount 110 may be formed separately from or integrally with pedal block floor 1 12.
Maximum travel stop 106 is provided to arrest displacement of clutch pedal at a maximum displacement. Additionally, maximum travel stop 106 may be adjustably positioned within a suitable stop mount as detailed with reference to at o least one compressible stop 104.
Restoring means 107 is connected to clutch pedal 100 via suitable fixing means 108, 109 being provided at, according to the specific implementation of the Figure 1 herein, engaging arm 102 and floor 112. Restoring means 107 may comprise a spring or elastomeric/rubber material. In operation, a user applies a force to clutch pedal 100 via a foot engaging onto pedal head 101. Such an applied force being sufficient to overcome restoring means 107 resulting in displacement of the clutch pedal in a first direction in response to the applied force. In response to a decrease in the magnitude of the applied force, restoring o means 107 is configured to provide a restoring force whereby displacement of the clutch pedal occurs in a restoring direction being substantially opposed to displacement in the first direction.
According to the specific implementation as detailed with reference to Figure 1 herein engaging arm 102 is brought into contact with compressible stop 104 such that stop 104 is slowly and progressively compressed by the action of restoring means 107 returning the pedal 100 to an initial starting position.
The feel experienced by a user when returning the pedal 100 to the initial start position (and in particular the associated simulated clutch biting-point) may be varied considerably by adjustment of a distance between engaging arm (or To stop engaging means) and compressible stop 104; a relative positioning of compressible stop 104 along a length of engaging arm 102 relative to pivot means 103; an orientation alignment of compressible stop 104 relative to an axis along the length of engaging arm 102; a composition of compressible stop 104; a shape of stop 104; a size of stop 104; a multiplicity of stop 104; a size of engaging arm (or stop engaging means) 102; a shape of engaging arm (or stop engaging means) 102 and in particular a shape and size of a leading edge of engaging arm (or stop engaging means) 102, the leading edge being to configure to engage onto/into the compressible stop 104.
2 o As will be appreciated by those skilled in the art, and by way of example, the ease and corresponding feel with which pedal 100 is returned onto/into the at least one compressible stop 104 is directly dependent upon the above parameters. For example, a hard non-tapered compressible stop 104 will provide a corresponding sharp biting-point resulting from the considerable resistive force 2 exerted by the compressible stop. Conversely, a soft gradually tapering compressible stop will provide a smooth gradual resistive force, on returning the clutch pedal to its initial starting position thereby providing a simulated biting-point extending over a relatively large return displacement of pedal 100.
o Referring to Figure 2 herein there is illustrated a side elevation view of the i clutch pedal of Figure 1 herein further comprising stop engaging means 200; return stop 201; maximum travel stop mount 202 and connector cable 203.
According to a further specific implementation of the present invention stop engaging means are provided being configured to engage at least one compressible stop 104. According to the further specific implementation stop engaging means 200 are connected to engaging arm 102 via suitable connection means such that at least one compressible stop 104 is positioned substantially to one side of displaceable engaging arm 102, for example stop engaging means may comprise an engaging member positioned substantially transverse to a length of engaging arm 102, at least one compressible stop 104 engaging onto o substantially one end of the member of stop engaging means 200. Accordingly a plurality of compressible stops may be provided being positioned substantially transverse to a length of engaging arm 102.
A return stop 201 may be provided to arrest displacement of engaging arm 102 beyond a maximum return position corresponding to an initial starting position. Maximum travel stop 106 is adjustably positioned at a maximum travel stop mount 202 being positioned substantially opposed to engaging arm 102.
Means 203 are provided for connection of the clutch pedal to a remote device or peripheral computer input means.
According to a further specific implementations of the present invention, the pedal assembly is configured for use in an inverted orientation such that engaging arm 102 is suspended from a structure being positioned above pedal 100, e.g. a 180 rotation of Figure 1 herein.
As detailed with reference to Figure 2 herein compressible stop 104 and stops 201, 106 are adjustably positioned at their respective mountings (110 and 202) via suitable screw threads. According to further specific implementations of the present invention any suitable means for stop adjustment may be provided 3 0 providing adjustment of the relative position and orientation of stops 104, 201 and 106. For example, stops 104, 201, 106 may be slidably mounted within a suitable stop mount thereby not being restricted to discreet positions along any particular stop mount. Alternatively, the stops may be displaceably afffixed by suitable hook and loop type fasteners to a surface of the respective stop mount and/or base 113 or pedal block floor 112 as detailed with reference to Figures 1 and 2 herein. Any other suitable releasable affixing means such as non permanent adhesive, may be employed.
By adjusting relative heights of stops 106 and 201, and in particular stop 104 an adjustment in the length of travel of pedal 100 is possible both in the first direction following an applied force and a return direction involving engagement o of compressible stop 104 by engaging arm 102 or stop engaging means 200.
According to a specific implementation of the present invention pivot means 103 may include a potentiometer being configured to convert displacement or movement of engaging arm 102 into an electrical signal being input into a computer or similar device allowing use of the pedal system within a simulator or game programme. As will be appreciated by those skilled in the art, a plurality of different types of potentiometer are useable with the present invention including for example, radial or sliding potentiometers. Additionally, restoring means 107 may be positioned at pivot 103 thereby avoiding use of restoring means 107 and 2 o affixing means 108, 109 as detailed with reference to Figures 1 and 2 herein. For example, a coiled spring may be formed integrally with pivot means 103. Affixing means 108 is adjustably positioned at engaging arm 102 such that restoring means 107 may be adjustably positioned along a length of engaging arm 102.
Additionally, affixing means 109 may be adjustably mounted so that restoring means 107 is fully adjustably positioned along a length of engaging arm 102.
Where the potentiometer is mounted remotely from pivot means 103, the return force associated with the radial or sliding potentiometer provides an additional return force to that given by restoring means 107. Consideration of the o combined restoring force is therefore included herein.
Referring to Figure 3 herein there is illustrated a side elevation view of a plurality of compressible stops as detailed with reference to Figures 1 and 2 herein comprising a plurality of compressible stops 300, 301, 302 and stop arms 303.
So as to achieve a variety of clutch pedal feel configurations a user may selectively adjust the relative positioning and height of stops 300, 301, 302 at stop mount 110. The feel associated with the simulated bitingpoint can therefore be tailored considerably to match that of a particular clutch system associated JO with a real-life vehicle clutch system. For example, and as detailed with reference to Figure 3 herein a soft pointed stop 302 may be engaged first by engaging arm 102 or stop engaging means200 to be subsequently engaged by stops 301 and 300. Stop 301 may in turn be slightly softer and more tapered than stop 300 so as to provide a progressive resistive force. Accordingly, multiple : transitions through the biting-point may be simulated by variation of the above parameters associated with the compressible stops, stop mount 110 and/or engaging arm 102/stop engaging means 200.
Further adjustment of pedal travel and feel is possible via connector cable So 203, influencing pedal depression and return in addition to that provided by restoring means 107, pivot means 103 and/or stop 104, 300, 301, 302.
Referring to Figures 4a, 4b, 4c and 4d herein there is illustrated perspective views of different compressible stop configurations. Figure 4a herein illustrates a substantially tapered rubber stop having a single leading edge 401. Accordingly stop 400 and in particular leading edge 401 may be aligned via stop mount 110 in a substantially perpendicular, parallel or transverse direction to a length of engaging arm 102 or stop engaging means 200. Accordingly, the magnitude of resistance provided by the compressible stop may be adjusted by selectively o adjusting the orientation of the stop with regard to its leading edge 401.
Figure 4b herein illustrates a further specific implementation of a compressible stop 402 comprising a substantially flat or slightly rounded engaging portion 403. Figure 4c herein illustrates a further specific implementation of a compressible stop 404 having a generally cylindrical configuration. Figure 4d herein illustrates a yet further specific implementation of compressible stop 405 being configured to extend a length of engaging arm 102.
Stop 405 may comprise a wedge-like configuration so as to provide greater adjustability and feel variation in keeping with the spirit of the present invention.
To As will be appreciated by those skilled in the art, the present invention is not restricted to utilisation of at least one specific stop as detailed with reference to Figures 1 to 4d herein. Moreover, a composition of the compressible stop(s) may be selectively adjusted so as to increase adjustment to the feel of the pedal system.
As detailed with reference to Figures 1 to 4d herein the leading edge of engaging arm 102 or stop engaging means 200 (the leading edge functioning to engage the at least one compressible stop) may be adjusted to effect the way by which engaging arm or stop engaging means engages the stop. For example, engaging arm 102 and stop engaging means 200 may comprise a substantially square, triangular, diamond or elliptical cross-section so as to provide a different engaging of the at least one compressible stop. Arm 102 or stop engaging means 200 may comprise a hollow material such as for example steel, a metal alloy or similar hard material. Yet further, a pliable material may also be 2 employed to allow further adjustment of the feel of the clutch system, for example a deformable plastic. Additionally, the leading edge of arm 102 or means 200 may be profiled or varied in shape and dimension so as to further increase the degree of adjustment of feel of the clutch pedal. I 3 0 Referring to Figure 5 herein there is illustrated a plan view of a pedal block assembly including clutch pedal 100 as detailed with reference to Figures 1 to 4d herein comprising accelerator 505, clutch 100 and clutch position adjustment means 502 and 503. By mounting clutch pedal 100 on frame 500 and in particular rail 501, a lateral displacement 504 of clutch pedal 100 may be achieved. Additionally, a displacement front to back is also possible via adjustment means 503, adjustment means 503 optionally being formed in cooperation with pivot means 103.

Claims (46)

  1. Claims: 1. A clutch pedal simulator comprising: a clutch pedal being
    configured for displacement in a first direction in response an applied force; restoring means being configured to provide a displacement of said clutch pedal in a return direction; and JO at least one compressible stop being configured for engagement by said clutch pedal during displacement of said clutch pedal in said return direction.
  2. 2. The clutch pedal as claimed in claim 1 further comprising pivot means, said pivot means being configured to allow pivotal displacement of said clutch pedal in said first and return direction.
  3. 3. The clutch pedal as claimed in claims 1 or 2 further comprising a stop mount, said at least one compressible stop being adjustably mounted at said stop mount.
  4. 4. The clutch pedal as claimed in claims 2 or 3 further comprising: an engaging arm being provided between said pivot means and a pedal head.
  5. 5. The clutch pedal as claimed in claim 4 wherein said engaging arm is configured for engaging said at least one compressible stop.
  6. 6. The clutch pedal as claimed in claims 4 or 5 wherein said pivot So means is connected substantially at a first end of said engaging arm and said pedal head is connected at substantially a second end of said engaging arm.
  7. 7. The clutch pedal as claimed in claim 4 further comprising stop engaging means being connected to said engaging arm, wherein said stop engaging means is configured for engaging said at least one compressible stop during displacement of said clutch pedal in said return direction.
  8. 8. The clutch pedal as claimed in anyone of claims 1 to 7 wherein said restoring means is connected to said clutch pedal.
  9. 9. The clutch pedal as claimed in anyone of claims 4 to 7 wherein said restoring means is connected to said engaging arm.
  10. 10. The clutch pedal as claimed in any preceding claim further comprising a potentiometer being configured to convert displacement of said clutch pedal into an electrical signal. I
  11. 11. The clutch pedal as claimed in claim 10 wherein said potentiometer is a radial potentiometer mounted at said pivot means.
  12. 12. The clutch pedal as claimed in claim 10 wherein said potentiometer o is a sliding potentiometer connected to said clutch pedal.
  13. 13. The clutch pedal as claimed in any preceding claim wherein said clutch pedal is a adjustably mounted on a frame.
  14. 14. The clutch pedal as claimed in claim 13 wherein said frame is configured to allow movement of said clutch pedal in a direction substantially parallel to a length of said clutch pedal and a direction substantially perpendicular to said length of said clutch pedal.
    3 o
  15. 15. The clutch pedal as claimed in any preceding claim further comprising a maximum travel stop being configured to arrest displacement of said clutch pedal beyond a predetermined maximum displacement in said first direction.
  16. 16. The clutch pedal as claimed in any preceding clam further comprising a pedal return stop configured to arrest displacement of said clutch pedal beyond a predetermined maximum displacement in said return direction.
  17. 17. The clutch pedal as claimed in any preceding claim wherein said restoring means is a spring.
  18. 18. A clutch pedal simulator comprising: a clutch pedal head; an engaging arm being connected to said clutch pedal head; restoring means being configured to provide a return force to said clutch pedal in response to displacement of said clutch pedal head; and at least one compressible stop being configured for engagement by said clutch pedal during a return displacement of said clutch pedal.
  19. 19. The clutch pedal as claimed in claim 18 wherein said engaging arm is configured to engage said at least one compressible stop.
  20. 20. The clutch pedal as claimed in claim 19 wherein said engaging arm comprises a substantially square cross-section.
  21. 21. The clutch pedal as claimed in claim 19 wherein said engaging arm 3 0 comprises a substantially triangular cross-section.
  22. 22. The clutch pedal as claimed in claim 19 wherein said engaging arm comprises a substantially diamond cross-section.
  23. 23. The clutch pedal as claimed in claim 19 wherein said engaging arm comprises a substantially elliptical cross-section.
  24. 24. The clutch pedal as claimed in anyone of claims 18 to 23 wherein said pedal head is connected to said engaging arm via a pedal support arm.
    Jo
  25. 25. The clutch pedal as claimed in claim 24 wherein said pedal support arm is adjustably connected to said engaging arm wherein said pedal head is adjustably positioned along a length of said engaging arm.
  26. 26. The clutch pedal as claimed in claim 25 wherein an angle by which said pedal head extends from said engaging arm is adjustable.
  27. 27. The clutch pedal as claimed in anyone of claims 18 to 26 wherein said engaging arm is a metal or metal alloy.
    go
  28. 28. The clutch pedal as claimed in claim 18 further comprising stop engaging means, said stop engaging means being configured for engaging said at least one compressible stop during said return displacement of said clutch pedal.
  29. 29. The clutch pedal as claimed in claim 28 wherein said stop engaging means are connected to said engaging arm.
  30. 30. The clutch pedal as claimed in claims 28 or 29 wherein said stop engaging means comprises a substantially square cross-section.
  31. 31. The clutch pedal as claimed in claims 28 or 29 wherein said stop engaging means comprises a substantially triangular cross-section.
  32. 32. The clutch pedal as claimed in claims 28 or 29 wherein said stop engaging means comprises a substantially diamond cross-section.
  33. 33. The clutch pedal as claimed in claims 28 or 29 wherein said stop engaging means comprises a substantially elliptical cross-section.
  34. 34. A pedal configured for use with a driving simulation computer programme; said pedal comprising: JO an engaging arm being connected to a pedal head, said engaging arm and said pedal head being configured for displacement in a first direction in response to an applied force; restoring means being configured to provide a displacement of said : engaging arm and said pedal head in a return direction; and at least one compressible stop being configured for engagement by said engaging arm during displacement of said engaging arm and said pedal head in said return direction.
  35. 35. The pedal as claimed in claim 34 wherein said engaging arm is slidably mounted to allow a sliding displacement of said engaging arm and said I pedal head.
  36. 36. The pedal as claimed in claim 34 wherein said engaging arm is pivotally mounted, wherein said engaging arm and said pedal head are pivotally displaceable.
  37. 37. The pedal as claimed in claim 36 wherein said engaging arm is 3 o pivotally substantially at one end.
  38. 38. The pedal as claimed in any one of claims 34 to 37 further comprising a stop mount wherein said compressible stop is adjustably positioned at said stop mount.
  39. 39. The pedal as claimed in claim 38 wherein said compressible stop is adjustably positioned along a length of said stop mount.
  40. 40. The pedal as claimed in claims 38 or 39 wherein a distance between said compressible stop and said engaging arm is adjustable.
  41. 41. The pedal as claimed in anyone of claims 38 to 40 wherein said stop mount is configured to support a plurality of compressible stops configured for engagement by said engaging arm.
  42. 42. The pedal as claimed in anyone of claims 34 to 41 wherein said compressible stop comprises a tapered portion, wherein said tapered portion tapers towards said engaging arm.
  43. 43. The pedal as claimed in claim 42 wherein said tapered portion defines a leading edge of said compressible stop, said leading edge being engaged by said engaging arm.
  44. 44. The pedal as claimed in anyone of claims 34 to 43 wherein said restoring means comprises a spring.
  45. 45. The pedal as claimed in anyone of claims 34 to 43 wherein said restoring means comprises and elasticated member.
  46. 46. A pedal configured for use with a driving simulation computer So programme, said pedal comprising: a pivotably mounted displaceable arm; a pedal head extending from displaceable arm; restoring means being configured to provide a return force to said pedal in response to an applied force to said pedal head; and at least one compressible stop being configured for engagement by said pedal during displacement of said pedal in a return direction; wherein displacement of said pedal in said return direction is gradually arrested by said at least one compressible stop.
GB0314513A 2003-06-21 2003-06-21 Giving feel to a driving simulator clutch pedal with a compressible return stop and a restoring means Withdrawn GB2402992A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0314513A GB2402992A (en) 2003-06-21 2003-06-21 Giving feel to a driving simulator clutch pedal with a compressible return stop and a restoring means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0314513A GB2402992A (en) 2003-06-21 2003-06-21 Giving feel to a driving simulator clutch pedal with a compressible return stop and a restoring means

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GB0314513D0 GB0314513D0 (en) 2003-07-30
GB2402992A true GB2402992A (en) 2004-12-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006041679A1 (en) * 2006-09-06 2008-03-27 Audi Ag Clutch pedal for motor vehicle, has pedal arm with retaining device for retaining arresting unit, which is detachably held in retaining device, and discrete pedal path of clutch pedal adjusted by corresponding selection of arresting unit
US10359802B2 (en) 2016-08-22 2019-07-23 Cts Corporation Variable force electronic vehicle clutch pedal

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB467086A (en) * 1935-12-03 1937-06-03 Sunbeam Commercial Vehicles Lt Improvements relating to pedal operated control mechanisms for electric road vehicles
US5215176A (en) * 1991-03-30 1993-06-01 General Motors Corporation Device for operating a clutch, especially an automotive clutch
GB2316467A (en) * 1996-08-21 1998-02-25 Suzuki Motor Co A pedal assembly e.g.for a clutch or brake
JP2000293249A (en) * 1999-04-01 2000-10-20 Nissan Motor Co Ltd Pedal lever device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB467086A (en) * 1935-12-03 1937-06-03 Sunbeam Commercial Vehicles Lt Improvements relating to pedal operated control mechanisms for electric road vehicles
US5215176A (en) * 1991-03-30 1993-06-01 General Motors Corporation Device for operating a clutch, especially an automotive clutch
GB2316467A (en) * 1996-08-21 1998-02-25 Suzuki Motor Co A pedal assembly e.g.for a clutch or brake
JP2000293249A (en) * 1999-04-01 2000-10-20 Nissan Motor Co Ltd Pedal lever device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006041679A1 (en) * 2006-09-06 2008-03-27 Audi Ag Clutch pedal for motor vehicle, has pedal arm with retaining device for retaining arresting unit, which is detachably held in retaining device, and discrete pedal path of clutch pedal adjusted by corresponding selection of arresting unit
US10359802B2 (en) 2016-08-22 2019-07-23 Cts Corporation Variable force electronic vehicle clutch pedal
US10712764B2 (en) 2016-08-22 2020-07-14 Cts Corporation Variable force electronic vehicle clutch pedal

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