EP2326545A1 - Driver interface - Google Patents

Driver interface

Info

Publication number
EP2326545A1
EP2326545A1 EP09757838A EP09757838A EP2326545A1 EP 2326545 A1 EP2326545 A1 EP 2326545A1 EP 09757838 A EP09757838 A EP 09757838A EP 09757838 A EP09757838 A EP 09757838A EP 2326545 A1 EP2326545 A1 EP 2326545A1
Authority
EP
European Patent Office
Prior art keywords
interface
driver
utility vehicle
vehicle according
seat
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP09757838A
Other languages
German (de)
French (fr)
Inventor
Kimmo Wihinen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valtra Oy AB
Original Assignee
Valtra Oy AB
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 Valtra Oy AB filed Critical Valtra Oy AB
Publication of EP2326545A1 publication Critical patent/EP2326545A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/12—Hand levers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K20/00—Arrangement or mounting of change-speed gearing control devices in vehicles
    • B60K20/02—Arrangement or mounting of change-speed gearing control devices in vehicles of initiating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K20/00—Arrangement or mounting of change-speed gearing control devices in vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K26/00—Arrangement or mounting of propulsion-unit control devices in vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/2004—Control mechanisms, e.g. control levers
    • 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
    • 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
    • G05G1/01—Arrangements of two or more controlling members with respect to one another
    • 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
    • F16H59/0278—Constructional features of the selector lever, e.g. grip parts, mounting or manufacturing
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • G05G2009/04774—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks with additional switches or sensors on the handle
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks

Definitions

  • a utility vehicle having a hand- operated driver interface moveably attached to a control consol which is disposed alongside a driver's seat, the driver interface being moveable relative to the consol in both a longitudinal and a transverse direction either side of a central position in a mutually exclusive manner, and being biased toward the central position from a longitudinal displacement, wherein the interface is releasably latched in a transversely displaced position.
  • FIG. 1 is a front perspective view of a driver interface in accordance with the invention.
  • Figure 2 is an upper perspective view of the driver interface of Figure 1;
  • Figure 5 is a top view of the driver interface of Figure 1 ;
  • Figure 6 is a highly schematic top view of a driver interface in accordance with the invention in the central position and showing the longitudinal and transverse freedom of movement relative thereto.
  • the driver interface described comprises three styles of driver input, namely movement of the handle 12, the joystick 26 and the fingertip levers 32A-D. This gives the opportunity for a highly flexible range of permutations in which the various functions of the tractor can be controlled by either of the driver inputs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
  • Mechanical Control Devices (AREA)

Abstract

A utility vehicle having a hand-operated driver interface (10) is provided. The interface, in the form of a handle for example, is moveably attached to a control consol (16) which is disposed alongside a driver's seat (18). The driver interface is moveable relative to the consol in both a longitudinal (F,B) and a transverse (L,R) direction either side of a central position in a mutually exclusive manner, and is biased toward the central position from a longitudinal displacement. The interface is releasably latched in a transversely displaced position.

Description

DESCRIPTION
DRIVER INTERFACE
The invention relates to a driver interface fitted to a utility vehicle such as a tractor. In particular, the invention relates to a driver interface which is operable by a driver's hand.
Utility vehicles such as tractors fork lift trucks and self-propelled mowers, to name but a few, typically comprise a plurality of driver interface instruments including buttons, levers and joysticks disposed around the region of the driver's seat.
It is an object of the invention to provide a utility vehicle having an improved driver interface which delivers a reduced risk of unintentional operation.
It is another object of the invention to provide a utility vehicle having a driver interface which improves the safety of the vehicle operation when stationary or even parked.
In accordance with the present invention there is provided a utility vehicle having a hand- operated driver interface moveably attached to a control consol which is disposed alongside a driver's seat, the driver interface being moveable relative to the consol in both a longitudinal and a transverse direction either side of a central position in a mutually exclusive manner, and being biased toward the central position from a longitudinal displacement, wherein the interface is releasably latched in a transversely displaced position.
In a preferred embodiment, the transversely displaced position is remote the driver's seat relative to the central position. Advantageously, this improves the safety of the vehicle by providing a latched position wherein the interface is distanced from the driver thereby reducing the risk of unintentional operation.
Transverse movement of the interface away from the driver's seat preferably engages a neutral ratio of the vehicle transmission. Li this way, there is provided a clear and definite visual indication to the driver that the transmission is in "neutral". Preferably, the transverse movement of the interface away from the driver's seat also activates a parking brake. Therefore, at the time when the interface is at greatest risk of suffering an unintentional knock from a driver exiting or entering the cab, the interface is latched away from the seat. Longitudinal movement of the interface preferably controls the groundspeed of the vehicle. This is particularly advantageous when implemented on a vehicle having a continuously variable transmission. However, this does not preclude the implementation with a stepped- ratio transmission wherein such longitudinal movements of the interface can step the ratios up and down for example.
Transverse movement of the interface toward the driver's seat may change the driving direction of the vehicle.
In another preferred embodiment the interface comprises a handle connected to a stem which is moveably attached below the console, wherein the stem is guided by a cross-shaped slot in the consol so as to only allow longitudinal and transverse movement in a mutually exclusive manner. The handle may comprise a transversely extending projection which engages with a cooperating slot fixed relative to the console when the interface is latched.
Further advantages will become apparent when reading the following description of a specific embodiment of the invention with reference to the drawings in which:-
Figure 1 is a front perspective view of a driver interface in accordance with the invention;
Figure 2 is an upper perspective view of the driver interface of Figure 1;
Figure 3 is a front perspective view of the driver interface of Figure 1 shown with the driver's hand;
Figure 4 is a highly schematic top view of a tractor cab fitted with the driver interface of Figure 1;
Figure 5 is a top view of the driver interface of Figure 1 ; and,
Figure 6 is a highly schematic top view of a driver interface in accordance with the invention in the central position and showing the longitudinal and transverse freedom of movement relative thereto.
With reference to the drawings, a driver interface in a form of a control handle 10 comprises a hand grip 12 and a support stem 14. The hand grip 12 serves to provide an ergonomic interface with the palm of the driver's hand so that the hand can rest on the grip 14 during operation of the vehicle, even when no force is being exerted to move the handle.
With reference in particular to Figure 4, the handle 10 is mounted on a substantially horizontal control console 16 which is located to the right-hand side of a driver's seat 18. Arrow F indicates the forward direction of the tractor shown in part in Figure 4. The tractor cab 20 further houses a steering column 21 fitted with steering wheel 22.
With reference again to Figures 1 to 3, the stem 14 is substantially vertical and the hand grip 12 extends transversely from the stem 14 at an angle of no more than 35 degrees from the horizontal. This allows a driver to rest their hand 25 on the substantially horizontally extending hand grip 12 as shown in Figure 3.
A two-axis joystick 26 is affixed to the upper surface of the hand grip 12 in a position located between the driver's thumb and forefinger when in their normal resting positions (as shown in Figure 3). The joy stick 26 is operable by the driver's thumb and/or forefinger and such action can take place without the palm of the driver's hand leaving the hand grip 12.
The hand grip 12 forms a single part, generally U-shaped, moulding which is integrated with the stem 14. This can be manufactured as one part using simple and known plastic moulding techniques. The second side of the U-shaped moulding provides a body 30 which extends between the stem 14 and the end 31 of the U-shaped region running parallel to the hand grip 12.
A plurality of fingertip operated levers 32A-32D are mounted on the body 30 and are each within reach of a respective finger of the driver's hand 25. The fingertip operated levers 32A- 32D are positioned in line along the body 30 and are each pivotally mounted so as to pivot on an axis which runs generally parallel to the extending body 30. This enables simple actuation of each lever by a respective finger without the driver having to move the palm of their hand from the hand grip 12. Each lever 32A-32D returns to a central neutral position when the driver's finger is removed therefrom.
The tractor is fitted with a front loader (not shown) which comprises a plurality of hydraulic rams each serving to move a different component of the front loader. Each hydraulic ram or pair of hydraulic rams is operated by actuation of a respective lever 32A-32D or joystick 26 . The entire handle 10 can be moved relative to the console 16 by appropriate movement of the driver's hand in both a longitudinal and transverse direction either side of a central position in a mutually exclusive manner. That is to say that the handle can be displaced only either longitudinally or transversely from the central position at any one time. In this example, the stem 14 is slidably engaged within a cross-shaped slot (not shown) in the console 16 so as to only allow longitudinal and transverse movement in a mutually exclusive manner.
The handle 10 is biased toward the central position by biasing means (not shown) connected to the stem 14 underneath the console 16.
When in a forward gear range, the forward speed of the tractor can be increased by the driver pushing the handle forward (in the direction of arrow F indicated in Figure 6). Conversely the forward speed of the tractor can be reduced by the driver moving the handle 10 rearwardly (in the direction of arrow B) beyond a central operating position shown in Figure 6.
The driving direction can be changed from forward to reverse, and vice versa, by a transverse shift of the handle to the left (in the direction of arrow L) away from the central position and toward the seat 18.
The driver interface in accordance with the invention lends itself to a tractor fitted with a continuously variable transmission wherein the power transmitted to the wheels can be simply adjusted by appropriate movement of the driver interface 12 in a longitudinal direction F, B. Despite this advantage the invention can also be applied to the control of a stepped-ratio transmission. In such a case, longitudinal movement of the handle (in the direction of F and B) may command a change in ratio of the transmission.
In accordance with the invention, the handle 10 is releasably latched in a transversely displaced position to the right R, that is to say in a direction remote the seat 18 relative to the central position. The handle 10 comprises a transversely extending projection 40 which engages with a cooperating slot 42 fixed relative to the console 16 when the interface is latched.
Movement of the handle 10 to the right R engages neutral in the transmission and activates the parking brake. Therefore, the associated latched position gives a positive visual and tactile indication to the driver that the vehicle is not in gear and that it is safe to alight therefrom. Also, the physical latching of the handle 10 away from the seat 18 reduces the risk of unintentional movement thereof caused by the driver exiting and entering the cab 20. It should be appreciated that the output functionality of the various driver inputs to the device described can vary without deviating from the scope of the invention. The driver interface described comprises three styles of driver input, namely movement of the handle 12, the joystick 26 and the fingertip levers 32A-D. This gives the opportunity for a highly flexible range of permutations in which the various functions of the tractor can be controlled by either of the driver inputs.
By way of example, any of the inputs may control one function from the following non- exhaustive list;
Ground speed;
Transmission ratio;
Engine speed;
Parking brake activation/deactivation; - Elements of front loader movements; or
Movement of an implement mounted on the front/rear linkage or otherwise.
When implemented on a combine harvester, the joystick 26 may control the unloading spout whilst the levers control the header functions and movement of the handle adjusts the ground speed for example.
Regardless of the vehicle and the functions that the interface 10 controls thereon, the driver is able to operate any combination of the inputs simultaneously, and with a single hand.
It should be appreciated that longitudinal and/or transverse movement of the handle 10 may be translational with respect to the console 16 rather than pivotal by appropriate attachment of the stem 14.
Although the embodiment described with reference to the appended drawings comprises a hand grip which is substantially perpendicular to the stem 14, it is envisaged that the hand grip 12 could instead be substantially parallel to the stem 14 without deviating from the scope of the invention.

Claims

1. A utility vehicle having a hand-operated driver interface moveably attached to a control consol which is disposed alongside a driver's seat, the driver interface being moveable relative to the consol in both a longitudinal and a transverse direction either side of a central position in a mutually exclusive manner, and being biased toward the central position from a longitudinal displacement, wherein the interface is releasably latched in a transversely displaced position.
2. A utility vehicle according to Claim 1, wherein said transversely displaced position is away from the driver's seat relative to the central position.
3. A utility vehicle according to Claim 1 or 2, wherein longitudinal movement of the interface controls the groundspeed of the vehicle.
4. A utility vehicle according to Claim 3, wherein transverse movement of the interface away from the driver's seat engages a neutral ratio of the vehicle transmission.
5. A utility vehicle according to Claim 4, wherein transverse movement of the interface away from the driver's seat activates a parking brake.
6. A utility vehicle according to any preceding claim, wherein transverse movement of the interface toward the driver's seat changes the driving direction of the vehicle.
7. A utility vehicle according to any preceding claim, wherein said interface comprises a handle connected to a stem which is moveably attached below the console, wherein the stem is guided by a cross-shaped slot in the consol so as to only allow longitudinal and transverse movement in a mutually exclusive manner.
8. A utility vehicle according to Claim 7, wherein the handle comprises a transversely extending projection which engages with a cooperating slot fixed relative to the console when the interface is latched.
9. A utility vehicle according to any preceding claim, wherein the interface is biased toward the central position from a transverse displacement.
EP09757838A 2008-06-04 2009-05-26 Driver interface Withdrawn EP2326545A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0810139A GB2460659A (en) 2008-06-04 2008-06-04 Utility vehicle driver interface
PCT/IB2009/005705 WO2009147483A1 (en) 2008-06-04 2009-05-26 Driver interface

Publications (1)

Publication Number Publication Date
EP2326545A1 true EP2326545A1 (en) 2011-06-01

Family

ID=39638106

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09757838A Withdrawn EP2326545A1 (en) 2008-06-04 2009-05-26 Driver interface

Country Status (3)

Country Link
EP (1) EP2326545A1 (en)
GB (1) GB2460659A (en)
WO (1) WO2009147483A1 (en)

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JP2015098193A (en) * 2013-11-18 2015-05-28 富士機工株式会社 Range change-over device
JP6240479B2 (en) * 2013-11-18 2017-11-29 富士機工株式会社 Range switching device
JP2015098192A (en) * 2013-11-18 2015-05-28 富士機工株式会社 Range switching device
US9086130B1 (en) 2014-04-21 2015-07-21 Caterpillar Inc. Transmission and hoist control arrangement
USD735100S1 (en) 2014-04-21 2015-07-28 Caterpillar Inc. Transmission shifter
DE102019101863A1 (en) * 2019-01-25 2020-07-30 Jungheinrich Aktiengesellschaft Control head for an industrial truck
US20260077985A1 (en) * 2024-09-13 2026-03-19 Hyster-Yale Materials Handling, Inc. Dynamically stable ergonomic control for man-up lift truck

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US4991454A (en) * 1989-12-01 1991-02-12 Ford New Holland, Inc. Power shift transmission shift pattern
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Also Published As

Publication number Publication date
GB2460659A (en) 2009-12-09
GB0810139D0 (en) 2008-07-09
WO2009147483A1 (en) 2009-12-10

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