WO2000064801A1 - Operating device for working vehicle - Google Patents

Operating device for working vehicle Download PDF

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Publication number
WO2000064801A1
WO2000064801A1 PCT/SE2000/000771 SE0000771W WO0064801A1 WO 2000064801 A1 WO2000064801 A1 WO 2000064801A1 SE 0000771 W SE0000771 W SE 0000771W WO 0064801 A1 WO0064801 A1 WO 0064801A1
Authority
WO
WIPO (PCT)
Prior art keywords
operating device
movable part
user
manual operating
movable
Prior art date
Application number
PCT/SE2000/000771
Other languages
French (fr)
Inventor
Joel Svedlund
Original Assignee
Atlet 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 Atlet Ab filed Critical Atlet Ab
Priority to AU46346/00A priority Critical patent/AU4634600A/en
Priority to EP00928058A priority patent/EP1210287B1/en
Priority to DE60011786T priority patent/DE60011786T2/en
Priority to AT00928058T priority patent/ATE269834T1/en
Publication of WO2000064801A1 publication Critical patent/WO2000064801A1/en

Links

Classifications

    • 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
    • G05G1/58—Rests or guides for relevant parts of the operator's body
    • 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
    • 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
    • G05G1/04—Controlling members for hand actuation by pivoting movement, e.g. levers
    • G05G1/06—Details of their grip parts

Definitions

  • the present relates to a manual operating device for working vehicles.
  • the device comprises an operating part which is movable in one direction and adapted, when used, to be held by the user's hand, the direction of motion when used essentially coinciding with the user's forearm.
  • an object of the present invention is to provide an operating device for working vehicles which wholly, or at least partly, obviates these drawbacks of the prior art constructions.
  • the invention relates to a manual operating device for working vehicles comprising an operating part which is movable in one direction and which is intended, when in use, to be held by the user's hand.
  • the inventive device is characterised in that it further comprises a stationary support and reference part arranged adjacent to the movable part and, at a side of the same, facing perpendicular to the direction of motion of the movable part.
  • Fig. 1 is a top plan view of an operating device according to a preferred embodiment of the invention.
  • Fig. 2 is a perspective view, obliquely from above and from the side, of the operating device in Fig. 1;
  • Fig. 3 is a side view of the operating device in Fig. 1. Description of Preferred Embodiments
  • the operating device comprises a movable part 1 and a stationary part 2.
  • the movable part is movable in one direction, which preferably essentially coincides with the direction of the user's forearm in operation.
  • the movable part can be moved forwards and backwards, and preferably springs or the like are provided to strive to return the movable part to a normal position, which, for example, is in the centre of the space of motion.
  • the direction of motion is illustrated by arrow R in Fig. 3.
  • the movable part can advantageously be designed as a lever, in which case the motion will be arcuate.
  • the stationary part is arranged adjacent to the movable part, and beside the same in such manner that the motion of the movable part is not impeded. Consequently, the stationary part extends in a direction perpendicular to the direction of motion of the movable part. In this way, the user's hand, when in operation placed on the movable part, will at least to a certain extent be in contact with the stationary part. As a result, a continuous reference to the motion of the movable part is obtained. Moreover, the user can easily move his hand between the movable part and the stationary part and, in this way, easily move his hand to the stationary part when the truck is to be driven or the like. This drastically reduces the risk of unintentionally performing motions by means of the operating device.
  • the movable part 1 has an upper part which is designed for the user's hand, when operating, to be able to rest on the same.
  • the upper part is preferably ergo- nomically designed and rounded for comfortable use. Since there are no projecting parts of the operating device, also the risk of getting stuck with one's clothes or the like is reduced.
  • the upper part preferably has an extent which is essentially the same as an intended user's palm. The upper part thus is the size of a clenched fist and is comfortable to hold and grasp.
  • the movable part may also comprise additional operating means arranged so as to be reached by the user's fingers when his hand is placed on the movable part.
  • additional operating means arranged so as to be reached by the user's fingers when his hand is placed on the movable part.
  • an operating means 3 preferably of a tiltable type
  • this operating means can be operated, for example, by one or all of the user's index finger, middle finger and ring finger.
  • an operating means 4 also preferably of a tiltable type, can be arranged on a side of the movable part which is not directed towards the direction of motion and which is directed away from the stationary part. This operating means can thus be operated by the user's thumb.
  • the movable and the stationary part are similarly designed and are essentially the same size.
  • the operating means constitutes an aesthetically and ergonomically attractive unit.
  • Both the stationary and the movable part can be made of, for example, plasticised polyurethane which is foamed over a steel core.
  • the operating device is suited mainly for electric actuation by an electronic control system.
  • the device is suited for operating the fork of a truck.
  • the displacement of the movable part can suitably be used to control the raising and lowering of the fork.
  • the front operating means can be used for frame displace- ment inwards and outwards, or fork rotation clockwise and anticlockwise.
  • the thumb control arranged on the side can be used for e.g. tilting downwards or upwards, or lateral displacement to the left or to the right. In this way, a logical coupling between the operating motions and the actual fork motions is obtained, which results in quick understanding and learning for the users.
  • a simple and efficient operating tool is provided, which offers support to the user's hand when required and besides a reference point in operation.
  • the invention has been described with regard to the operation of the fork of a truck. However, it will appreciated that it can also be used in many other types of working vehicles, such as wheel-mounted loaders, hoisting cranes, tractors etc.
  • the design of the stationary and the movable part can be modified, and other types of additional means can be used instead of tiltable switches, such as dis- placeable switches, pressable buttons and the like.
  • tiltable switches such as dis- placeable switches, pressable buttons and the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Structural Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Civil Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Control Devices (AREA)
  • Harvester Elements (AREA)
  • Lifting Devices For Agricultural Implements (AREA)

Abstract

The invention relates to a manual operating device for working vehicles, comprising an operating part (1) which is movable in one direction and which is adapted, when used, to be held by the user's hand. The inventive device is characterised in that it further comprises a stationary support and reference part (2) arranged adjacent to the movable part and, at a side of the same, directed perpendicular to the direction of motion of the movable part. This results in a support and a reference for the user when his hand is placed on the operating device, thus increasing safety. Furthermore the operation will be both easier and more comfortable.

Description

OPERATING DEVICE FOR WORKING VEHICLE
Field of the Invention
The present relates to a manual operating device for working vehicles. The device comprises an operating part which is movable in one direction and adapted, when used, to be held by the user's hand, the direction of motion when used essentially coinciding with the user's forearm. Background Art
In working vehicles of different types there are often a plurality of operating devices for controlling different functions of the vehicle. The design of these devices is most important for how comfortably and efficiently the work with the vehicle can be carried out . In the following particularly trucks will be discussed, but it will be appreciated that corresponding problems arise also in other types of working vehicle, and that corresponding operating means can be used also for such vehicles.
For trucks, use is traditionally made of a plurality of different levers for operating the fork. These levers are in most cases movable in one direction only and have a similar design. A drawback of this traditional solution is the great risk of mixing up the levers, which may have fatal consequences since the loads that are handled can be very large. Further it may be difficult to make small and well-controlled motions when operating with merely the handle of the lever as support and, thus, not having anything to which the motion can be related. There is also a risk that the user, if his hand rests on these operating means while performing other operations, by mistake performs operations that were not intended.
These prior art operating devices are used especially for mechanical control systems, in which a relatively large motion and force are required. In modern working vehicles, however, the control system is often electronic, thus allowing greater liberty as to the design and placing of the operating devices. In these devices, a plurality of operating means can also be combined. In this manner, the risk of mixing up the operating means decreases. Examples of such prior art operating devices are Applicant's own control "Tergo" and Jungheinrich' s control "Multipilot" .
Also this type of control suffers, however, from the drawback that it is difficult to make small and controlled motions since it is difficult to relate the motion to something. Furthermore there is also the problem that it is easily to touch the controls by mistake, for example when driving across an uneven base, and thus perform op- erations that were not intended and that may cause great damage. In fact, this problem is greater in these devices than in the mechanical ones since a much smaller motion and force are required. Object of the Invention Therefore an object of the present invention is to provide an operating device for working vehicles which wholly, or at least partly, obviates these drawbacks of the prior art constructions.
This object is achieved by an operating device according to the appended claims. Summary of the Invention
The invention relates to a manual operating device for working vehicles comprising an operating part which is movable in one direction and which is intended, when in use, to be held by the user's hand. The inventive device is characterised in that it further comprises a stationary support and reference part arranged adjacent to the movable part and, at a side of the same, facing perpendicular to the direction of motion of the movable part. As a result, a support and a reference are provided for the user, when his hand is placed on the operating device, thus increasing safety. Moreover, the operation will be both easier and more comfortable.
Additional advantageous embodiments of the invention are stated in the subclaims . Brief Description of the Drawings
In the accompanying drawings
Fig. 1 is a top plan view of an operating device according to a preferred embodiment of the invention;
Fig. 2 is a perspective view, obliquely from above and from the side, of the operating device in Fig. 1; and
Fig. 3 is a side view of the operating device in Fig. 1. Description of Preferred Embodiments
The invention will now be described in more detail with reference to the accompanying drawings.
The operating device according to the invention comprises a movable part 1 and a stationary part 2. The movable part is movable in one direction, which preferably essentially coincides with the direction of the user's forearm in operation. In this manner, the movable part can be moved forwards and backwards, and preferably springs or the like are provided to strive to return the movable part to a normal position, which, for example, is in the centre of the space of motion. The direction of motion is illustrated by arrow R in Fig. 3. The movable part can advantageously be designed as a lever, in which case the motion will be arcuate.
The stationary part is arranged adjacent to the movable part, and beside the same in such manner that the motion of the movable part is not impeded. Consequently, the stationary part extends in a direction perpendicular to the direction of motion of the movable part. In this way, the user's hand, when in operation placed on the movable part, will at least to a certain extent be in contact with the stationary part. As a result, a continuous reference to the motion of the movable part is obtained. Moreover, the user can easily move his hand between the movable part and the stationary part and, in this way, easily move his hand to the stationary part when the truck is to be driven or the like. This drastically reduces the risk of unintentionally performing motions by means of the operating device.
The movable part 1 has an upper part which is designed for the user's hand, when operating, to be able to rest on the same. The upper part is preferably ergo- nomically designed and rounded for comfortable use. Since there are no projecting parts of the operating device, also the risk of getting stuck with one's clothes or the like is reduced. The upper part preferably has an extent which is essentially the same as an intended user's palm. The upper part thus is the size of a clenched fist and is comfortable to hold and grasp.
Preferably the movable part may also comprise additional operating means arranged so as to be reached by the user's fingers when his hand is placed on the movable part. As a result, a multifunctional device is provided, in which a plurality of operating functions can be performed with a single manipulation. Thus, an operating means 3, preferably of a tiltable type, can be arranged on a side of the movable part which is directed towards the direction of motion and which, when used, is directed away from the user. Thus this operating means can be operated, for example, by one or all of the user's index finger, middle finger and ring finger. Furthermore an operating means 4, also preferably of a tiltable type, can be arranged on a side of the movable part which is not directed towards the direction of motion and which is directed away from the stationary part. This operating means can thus be operated by the user's thumb.
Preferably, the movable and the stationary part are similarly designed and are essentially the same size. In this way, the operating means constitutes an aesthetically and ergonomically attractive unit. Both the stationary and the movable part can be made of, for example, plasticised polyurethane which is foamed over a steel core.
The operating device is suited mainly for electric actuation by an electronic control system. In particular the device is suited for operating the fork of a truck. The displacement of the movable part can suitably be used to control the raising and lowering of the fork. Further the front operating means can be used for frame displace- ment inwards and outwards, or fork rotation clockwise and anticlockwise. The thumb control arranged on the side can be used for e.g. tilting downwards or upwards, or lateral displacement to the left or to the right. In this way, a logical coupling between the operating motions and the actual fork motions is obtained, which results in quick understanding and learning for the users. However, which functions are suitable to control with the aid of the respective means are, however, dependent on what type of working vehicle is intended. Fundamentally it is suitable to control the basic function by the displacement of the movable part, and two of the most important or most frequent other basic functions with the aid of the additional means.
By means of the inventive operating device, a simple and efficient operating tool is provided, which offers support to the user's hand when required and besides a reference point in operation. The invention has been described with regard to the operation of the fork of a truck. However, it will appreciated that it can also be used in many other types of working vehicles, such as wheel-mounted loaders, hoisting cranes, tractors etc. Furthermore, the design of the stationary and the movable part can be modified, and other types of additional means can be used instead of tiltable switches, such as dis- placeable switches, pressable buttons and the like. Such and other obvious variants of the invention must be considered to be within the scope of the invention as limited by the accompanying claims.

Claims

1. A manual operating device for working vehicles, comprising an operating part (1) which is movable in one direction (R) and adapted, when used, to be held by the user's hand, c ha r a c t e r i s e d in that it further comprises a stationary support and reference part (2) arranged adjacent to the movable part and, at a side of the same, facing perpendicular to the direction of motion of the movable part.
2. A manual operating device according to claim 1, wherein it is further adapted to be electrically actuated by an electronic control system in the working vehicle.
3. A manual operating device according to claim 1 or 2, wherein it is adapted to a truck for operating the fork.
4. A manual operating device according to claim 3, wherein displacement of the movable part (1) in the di- rection of motion controls raising and lowering of the fork.
5. A manual operating device according to any one of claims 1-4, wherein the movable part (1) has an upper part which is designed for the user's hand, in operation, to be able to rest on the same.
6. A manual operating device according to claim 5, wherein the stationary and the movable part are so designed that the user's hand, when in operation placed on the movable part, also abuts against the stationary part.
7. A manual operating device according to claim 5 or 6, wherein the upper part of the movable part (1) has an extent which is essentially the same as an intended user's palm.
8. A manual operating device according to any one of the preceding claims, wherein the movable part (1) further comprises additional operating means (3, 4) arranged in such a manner as to be reached by the user's fingers when his hand is placed on the movable part, for performing additional operating functions.
9. A manual operating device according to claim 8, wherein an operating means (3), preferably of a tiltable type, is arranged on a side of the movable part which is directed towards the direction of motion and which, in operation, is directed away from the user.
10. A manual operating device according to claim 8, wherein an operating means (4) , preferably of a tiltable type, is arranged on a side of the movable part which is not directed towards the direction of motion and which is directed away from the stationary part.
11. A manual operating device according to any one of the preceding claims, wherein the movable and station- ary parts are similarly designed and are essentially the same size.
PCT/SE2000/000771 1999-04-23 2000-04-20 Operating device for working vehicle WO2000064801A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU46346/00A AU4634600A (en) 1999-04-23 2000-04-20 Operating device for working vehicle
EP00928058A EP1210287B1 (en) 1999-04-23 2000-04-20 Operating device for working vehicle
DE60011786T DE60011786T2 (en) 1999-04-23 2000-04-20 Actuating device for working vehicles
AT00928058T ATE269834T1 (en) 1999-04-23 2000-04-20 ACTUATING DEVICE FOR WORK VEHICLE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9901457-3 1999-04-23
SE9901457A SE520647C2 (en) 1999-04-23 1999-04-23 Hand control device for work vehicles

Publications (1)

Publication Number Publication Date
WO2000064801A1 true WO2000064801A1 (en) 2000-11-02

Family

ID=20415323

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2000/000771 WO2000064801A1 (en) 1999-04-23 2000-04-20 Operating device for working vehicle

Country Status (6)

Country Link
EP (1) EP1210287B1 (en)
AT (1) ATE269834T1 (en)
AU (1) AU4634600A (en)
DE (1) DE60011786T2 (en)
SE (1) SE520647C2 (en)
WO (1) WO2000064801A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1627848A2 (en) * 2004-08-20 2006-02-22 Jungheinrich Aktiengesellschaft Industrial truck with ergonomically arranged control elements
EP1693334A1 (en) 2005-02-19 2006-08-23 Jungheinrich Aktiengesellschaft Hand operated control device for the operator's compartment of a industrial vehicle
FR2895534A1 (en) * 2005-12-23 2007-06-29 Noremat Sa Machine e.g. brush-cutting mower, controlling device for farm tractor, has main assembly adjusted relative to base, and secondary assembly adjusted relative to base or main assembly to adapt device configuration to width of operator`s hand
FR2903204A1 (en) * 2006-06-30 2008-01-04 Noremat Sa Machine`s e.g. scrub cutter, mower manual control device, has main assembly with rounded conformation for receiving part of size adapted to size of palm of operator hand, and positioning unit connected to elements placed interior to device
WO2009050745A1 (en) * 2007-10-17 2009-04-23 Komatsu Utility Europe S.P.A. Control device for earth moving machines
DE102013012176A1 (en) 2013-07-22 2015-01-22 Jungheinrich Aktiengesellschaft Operating element for an industrial truck

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1343078A (en) * 1970-05-14 1974-01-10 Cge Spa Ergonomic control device
EP0305650A1 (en) * 1987-08-26 1989-03-08 Dr.Ing.h.c. F. Porsche Aktiengesellschaft Manually operated adjusting device for control valves
SE467025B (en) * 1990-08-20 1992-05-11 Boerje Pettersson DEVICE BY REGULATION
EP0575640A1 (en) * 1992-06-17 1993-12-29 EMPE-WERKE ERNST PELZ GmbH & CO. KG Method for manufacturing a control lever, and control lever obtained
EP0712062A2 (en) * 1994-11-08 1996-05-15 Jungheinrich Aktiengesellschaft Manually-actuated control device for an operator stand or seat

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1343078A (en) * 1970-05-14 1974-01-10 Cge Spa Ergonomic control device
EP0305650A1 (en) * 1987-08-26 1989-03-08 Dr.Ing.h.c. F. Porsche Aktiengesellschaft Manually operated adjusting device for control valves
SE467025B (en) * 1990-08-20 1992-05-11 Boerje Pettersson DEVICE BY REGULATION
EP0575640A1 (en) * 1992-06-17 1993-12-29 EMPE-WERKE ERNST PELZ GmbH & CO. KG Method for manufacturing a control lever, and control lever obtained
EP0712062A2 (en) * 1994-11-08 1996-05-15 Jungheinrich Aktiengesellschaft Manually-actuated control device for an operator stand or seat

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1627848A2 (en) * 2004-08-20 2006-02-22 Jungheinrich Aktiengesellschaft Industrial truck with ergonomically arranged control elements
EP1627848A3 (en) * 2004-08-20 2006-04-05 Jungheinrich Aktiengesellschaft Industrial truck with ergonomically arranged control elements
EP1693334A1 (en) 2005-02-19 2006-08-23 Jungheinrich Aktiengesellschaft Hand operated control device for the operator's compartment of a industrial vehicle
DE102005007789A1 (en) * 2005-02-19 2006-08-24 Jungheinrich Aktiengesellschaft Manually operated operating device for an industrial workstation of a truck
US7641021B2 (en) 2005-02-19 2010-01-05 Jungheinrich Aktiengesellschaft Hand-actuated operating device for an operator's control station of an industrial truck
CN1821046B (en) * 2005-02-19 2012-01-04 容海因里希股份公司 Hand operated control device for the operator's compartment of a industrial vehicle
FR2895534A1 (en) * 2005-12-23 2007-06-29 Noremat Sa Machine e.g. brush-cutting mower, controlling device for farm tractor, has main assembly adjusted relative to base, and secondary assembly adjusted relative to base or main assembly to adapt device configuration to width of operator`s hand
EP1818752A1 (en) * 2005-12-23 2007-08-15 Noremat Adjustable manual-control device
FR2903204A1 (en) * 2006-06-30 2008-01-04 Noremat Sa Machine`s e.g. scrub cutter, mower manual control device, has main assembly with rounded conformation for receiving part of size adapted to size of palm of operator hand, and positioning unit connected to elements placed interior to device
WO2009050745A1 (en) * 2007-10-17 2009-04-23 Komatsu Utility Europe S.P.A. Control device for earth moving machines
DE102013012176A1 (en) 2013-07-22 2015-01-22 Jungheinrich Aktiengesellschaft Operating element for an industrial truck
EP2829503A1 (en) 2013-07-22 2015-01-28 Jungheinrich Aktiengesellschaft Operating element for an industrial truck

Also Published As

Publication number Publication date
EP1210287B1 (en) 2004-06-23
EP1210287A1 (en) 2002-06-05
SE9901457D0 (en) 1999-04-23
AU4634600A (en) 2000-11-10
SE9901457L (en) 2000-10-24
SE520647C2 (en) 2003-08-05
DE60011786D1 (en) 2004-07-29
ATE269834T1 (en) 2004-07-15
DE60011786T2 (en) 2005-07-14

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