EP0909856B1 - Véhicule - Google Patents

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Publication number
EP0909856B1
EP0909856B1 EP98119186A EP98119186A EP0909856B1 EP 0909856 B1 EP0909856 B1 EP 0909856B1 EP 98119186 A EP98119186 A EP 98119186A EP 98119186 A EP98119186 A EP 98119186A EP 0909856 B1 EP0909856 B1 EP 0909856B1
Authority
EP
European Patent Office
Prior art keywords
driver
cell
lever
vehicle
operating
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.)
Expired - Lifetime
Application number
EP98119186A
Other languages
German (de)
English (en)
Other versions
EP0909856A3 (fr
EP0909856A2 (fr
Inventor
Gordon Edward Miller
Leslie Harold Schult
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.)
Deere and Co
Original Assignee
Deere and Co
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 Deere and Co filed Critical Deere and Co
Publication of EP0909856A2 publication Critical patent/EP0909856A2/fr
Publication of EP0909856A3 publication Critical patent/EP0909856A3/fr
Application granted granted Critical
Publication of EP0909856B1 publication Critical patent/EP0909856B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/34—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
    • E02F3/3405—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines and comprising an additional linkage mechanism
    • 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
    • E02F9/16—Cabins, platforms, or the like, for drivers
    • E02F9/166—Cabins, platforms, or the like, for drivers movable, tiltable or pivoting, e.g. movable seats, dampening arrangements of cabins
    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/34—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
    • E02F3/3414—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines the arms being pivoted at the rear of the vehicle chassis, e.g. skid steer loader

Definitions

  • the invention relates to a vehicle with a vehicle frame, a driver's cell and a control linkage, the Driver's cell in an operating position and in a non-operating position can be brought and in the non-operating position Access to vehicle compartments below the driver's compartment is made possible.
  • a vehicle is known from US-A-5 518 358.
  • US-A-5,518,358 discloses a skid steer loader, one so-called skid-steer loader, with one loading arm and one Driver's cell, which also serves as a rollover protection. Within the driver's cell is a driver's seat and various Actuators located in the driver's grip area are located. Due to the special design of this vehicle type are the main vehicle components below the Arranged driving cell, which is why this between the operating and an inoperative position is vertically pivotable.
  • control linkage In this way, no long connections are required between the control linkage and the one it controls Components because the control linkage when moving the driver's cell is not operated in the sense of a tax movement. moreover the control linkage comes into a position in which it is the way cleared for access to vehicle spaces below the Driver's compartment and in which z. B. hydraulic components or the like are housed.
  • An operating lever in an upright position can easily be gripped by an operator. On the other hand, needs there is no additional charge to turn him into one To let down position go down if one makes use of gravity.
  • the driver's cell and the operating lever give space as free as possible between them when they are apart move, d. H. the operating lever down and the Driver cell up.
  • the operating lever on a lever by a first Pivot axis and the lever about a second pivot axis on the Frame is pivotally attached to each other radially are offset, and when a motion control link to Actuate the vehicle near the second pivot axis or close this is attached to the lever in alignment, then can the operating lever from a first to a second position and vice versa without moving which affects the function of the vehicle.
  • the operating lever is safely in its operating position brought and kept there if this is due to the weight of the Driver's compartment takes place because this is not insignificant.
  • the training of the vehicle as a skid steer loader, also a skid steer loader called, and the use of the operating lever to control the drive is particularly advantageous because it is an application under extremely cramped conditions Conditions.
  • a damper i.e. a flexible link
  • the attachment of a damper, i.e. a flexible link, on the lever has the advantage that it causes dimensional deviations can be balanced and when the the components involved are avoided.
  • FIGS. 1 to 6 A preferred embodiment is shown in FIGS. 1 to 6 presented the invention.
  • Figures 1, 2, 3 and 4 show a vehicle 10, generally referred to as a skid-steer loader, d. H. a small loader or skid steer loader that goes through Braking and slipping of the individual wheels is steered and on which the present invention is used.
  • the vehicle 10 includes an operating platform 12 that has a driver seat 14 contains, and operating lever 16 by a seated Operator can be operated to the Speed of the right and left drive wheels 18 and 20 to be able to control.
  • the driver's compartment 22 is provided around the operating platform 12 essentially enclose. The driver's compartment 22 helps protecting the operator when the vehicle 10 would fall on his side or upside down.
  • the in Figure 1 Driver cell 22 shown assumes its operating position in which the operating platform 12 essentially of the Driver's compartment 22 is enclosed.
  • the driver's compartment 22 is one Pivot axis 24 of the driver's compartment 22 can be pivoted above and behind that seated in the vehicle 10 Operator is located.
  • the pivot axis 24 is in one Pair of posts set up from a Vehicle frame 28 from essentially behind the seated Extend operator upwards.
  • the driver's compartment 22 can about the pivot axis 24 in the essentially in the third and 4 position shown are pivoted upwards.
  • Vehicle compartments 30 below the driver's seat 14 and one Bottom area 32 essentially released to the Operator access to vehicle compartments 30 for To release maintenance and care purposes.
  • the driver's seat 14 and the floor area 32 of the operating platform 12 form one Part of the driver's compartment 22 which is up in its second position swings. If the driver's seat 14 and the floor area 32 after are pivoted above, the vehicle compartments 30 in essential for care and maintenance of Vehicle components exposed.
  • the vehicle compartments 30 are fixed between the vehicle frame 28 of the vehicle 10 and housed vehicle components, such as a hydraulic system that the right and left travel drive wheels 18 and 20 of the Vehicle 10 drives.
  • the pivoting ability of the driver's compartment 22 to access components of vehicle 10 is included in the European patent application Priority US 954,290 of October 17, 1997 EP-A-0 909 855 , more in detail described.
  • the vehicle 10 shown in FIG. 1 contains a loading shovel 34 to the vehicle by means of a loading arm assembly 36 10 is connected.
  • a main arm 38 extends between the loading shovel 34 and a pair of upper links 40.
  • Die upper link 40 extend between the rear Area of the main arm 38 and the upper area of the posts 26.
  • the seated operator adjusts actuators, around the loading bucket 34 between its various Operating positions to move.
  • One of secondary hand controls 70 can laterally with respect to the operating lever 16 are moved to the movement of the loading bucket 34 and the To control the loading arm assembly 36. If the loading bucket 34 is raised, the main arm 38 moves vertically while it essentially maintains its horizontal orientation. When the main arm 38 moves vertically, they pivot upper link 40 around their connections to the post 26.
  • This kind of a loading arm linkage is generally considered a Vertical lifting system referred to as the main arm 38 in is lifted substantially vertically around the loading bucket 34 to raise.
  • a cross member 44 is provided, which is between the right and left upper link 40 and between the posts 26 extends.
  • the cross member 44 is used for reinforcement and Stiffening of the loading arm assembly 36 when the loading shovel 34 raised between their different positions and is lowered.
  • the cross member 44 according to the present Embodiment is arranged and located relatively high therefore essentially above a line of sight of the Operator to the rear.
  • the high cross member 44 therefore supports the field of vision to the rear area of the vehicle 10.
  • the highly arranged pivot axis 24 of the Driver's compartment 22 allows the latter to move upwards and backwards pivot without them from the high cross member 44th would be hindered.
  • the driver's cell 22 pivots about a relatively high pivot axis 24, which causes the driver's compartment 22 to substantially follow swings in front when she's facing up Pivotal movement from that shown in Figures 1 and 2 Position begins.
  • the present invention allows the Actuating lever 16 from that shown in Figures 1 and 4 Operating position to pivot in non-operating positions, such as they are shown in Figures 3 and 6. If the Actuating lever 16 are in their inoperative position, they create space for the driver's compartment 22 so that it can move forward front and top within their initial range of motion can pivot.
  • a control linkage 46 includes a pair of right and left Operating lever 16 which are independent of each other Operator can be swung forward and backward can to the speed of each right and left drive wheels 18 and 20 to control.
  • the Secondary hand controls 70 are pivotable to the top Areas of the actuating lever 16 attached. The operator grips the secondary hand controls 70 during the Operation of the vehicle 10. By the operator Seizes secondary hand controls 70, it becomes the Adjust the operating lever 16 to the front and back in order to To drive and steer vehicle 10.
  • the right and the left drive wheels 18 and 20 are concerned by Hydraulic systems powered by the operator adjusted via the right and left control linkages 46 become.
  • a pair of hydraulic system input shafts 48 pivots to the speed and direction of the to control respective drive wheels 18 and 20.
  • Arms 50 are on the input shafts 48 of the hydraulic system connected.
  • Motion transmission links 52 extend from the arms 50 forward and are functional with waves 54 corresponding operating levers 16 connected.
  • the Operating levers 16 are pivotally connected to levers 56, their position during the operation of the vehicle 10 fixed remains.
  • the actuating lever 16 can of the Operator forward and about a first pivot axis 58 be pivoted at the rear, so also the motion control handlebars 52 move back and forth, which in turn arms 50 and the hydraulic system input shafts 48 in their different positions to change the speed of the respective drive wheels 18 and 20 pivots.
  • the levers 56 are connected to holder 60 pivotable to a Perform pivoting movement about a second pivot axis 62 can if the operating lever 16 between operating and Swing out of service positions to the driver's cell 22 allow between their raised and lowered positions to pan.
  • Dampers 78 form part of the levers 56 and touch the floor area 32 of the driver's compartment 22 to the levers 56 and the operating lever 16 between the operating and To pivot out of service positions.
  • the holder 60 are e.g. B. with screws to the vehicle frame 28 of the vehicle 10 connected.
  • a flexible sheath 74 surrounds everyone Actuator lever 16 and is sufficiently flexible to the Actuating lever 16 to allow it to be in different front and rear operating positions pivots, and them it also allows the control linkage 46 to be between its Swing operational and its non-operational position.
  • the driver's cell 22 can be interrupted in FIG Lines shown position in their solid in Figure 4 Line shown position can be pivoted upwards. If the Driver cell 22 about the pivot axis 24, which is in the upper Area of the post 26 is located, pivots up, pivots the bottom of the bottom portion 32 with her up, which the Damper 78 and the lever 56 clearance to pivot around the provides second pivot axis 62. The focus of the Actuation lever 16 and the secondary hand controls 70 is located such that gravity pulls the operating lever 16 in pulls the decommissioning position down when the Driver compartment 22 is pivoted upwards.
  • Each wave 54 will therefore neither move forward still move back when the lever 56 and the operating lever 16 swivel into the non-operating position and onto the Motion transmission members 52 will be little or no no motion transmitted.
  • the motion transmission member 52 thus remains stationary, causing the arm 50 and the Input shaft 48 of the hydraulic system 48 remain stationary.
  • the alignment of the second pivot shaft 62 with the shaft 54 after the preferred embodiment of the present invention thus prevents the vehicle 10 from moving forward or backward is driven when the operating lever 16 between its Operating and its non-operating position is moved.
  • the operator can move the driver's compartment 22 out of its second Return the position to its first operating position by it grabs the driver's compartment 22 and forwards and downwards swings.
  • the lower corner area 64 of the Floor area 32 of the driver platform 12 again on the dampers 78 the lever 56 on, which causes the lever 56 in one Swing bow about the second pivot axis 62.
  • the Actuating lever 16, which is coupled to lever 56 pivots about the second pivot axis 62 upwards into his Operating position.
  • the cab 22 is completely in its returns to the first operating position, presses the bottom of the Bottom region 32 the lever 56 and the operating lever 16 firmly in their operating positions. Stops 66 on the levers 56 are formed between the frame 28 and the bottom of the bottom area 32 and thereby securely hold the Lever 56 in the correct position for operating the Vehicle 10 when the driver's compartment 22 is in its first Operating position.
  • the present invention enables the driver's compartment 22 to to pivot a relatively high pivot axis 24.
  • a high-lying rear pivot axis 24 of the driver's compartment 22 is desirable because it is possible in this way that the cross member 44 between the posts 26 as well as between the upper arms 40 of the loading arm assembly 36 on one Body that extends backwards and essentially located above the head of the operator.
  • the height rearward positioning of the cross member 44 allows one Stabilization and reinforcement of the upper link 40 during the Operation of the loading arm assembly 36 and is selected so that the Cross member 44 is high enough not to the field of view To be an operator.
  • the upper part 44 So does not obstruct the operator's view as he generally above the head of the seated Operator is located.
  • the high-lying cross section 44 the pivoting movement could be part of the prior art Driver's cells get in the way, which goes up into one Swivel operating position.
  • the high arrangement of the swivel axis 24 of the driver's cell 22 according to the preferred embodiment the invention enables the driver's compartment 22 upwards and swivel behind without the presence of the high cross member 44 would be hindered.
  • the high pivot axis 24 the driver's compartment 22 causes the driver's compartment 22 during their initial movement phase from the first operating position in the second position essentially forward swings.
  • the pivoting control linkage 46 according to the preferred one Embodiment of the invention causes the Actuating lever 16 out of the way of the pivoting driver's compartment 22 pans in their initial movement phase.
  • the swiveling Operating lever 16 according to the present embodiment the invention therefore allow a driver's compartment 22 by one to pivot high pivot axis 24, and a high arranged cross member 44 between the upper links 40 of the To provide loading arm assembly 36.
  • the weight of the operating lever 16 moves this into its inoperative position when the driver's cell 22nd swings up, and the installation of the driver's cell 22 against that Control linkage 46 pivots the operating levers 16 in their Operating position back when the driver's compartment 22 is down swings.
  • Springs and other power supplies could also be used used to the actuating lever 16 and control linkage 46 to push into their decommissioning position.
  • Each is an end region of a cable 72 or rope functionally connected to the secondary hand control element 70.
  • the Cables 72 extend within the operating levers 16 below and have opposite end areas that are functional with other vehicle components, such as the hydraulic components, which cause the loading bucket 34 to tilt are connected.
  • the cable 72 is in response to actuation of the Secondary hand control 70 pulled, and this movement of the Cable 72 controls the other vehicle functions, such as tipping the loading shovel 34.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Mechanical Control Devices (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)

Claims (9)

  1. Véhicule (10) avec un cadre (28), une cabine pour le conducteur (22) et au moins une tringlerie de commande (46), la cabine pour le conducteur (22) pouvant être placée dans une position de fonctionnement et dans une position de non-fonctionnement et un accès à au moins un compartiment (30) du véhicule situé en dessous de la cabine pour le conducteur (22) étant rendu possible dans la position de non-fonctionnement, caractérisé en ce que la tringlerie de commande (40) peut être placée dans une position de fonctionnement, dans laquelle elle pénètre au moins partiellement dans la cabine pour le conducteur (22), et dans une position de non-fonctionnement, dans laquelle elle se trouve en dehors de la zone de déplacement de la cabine pour le conducteur (22).
  2. Véhicule selon la revendication 1, caractérisé en ce que la tringlerie de commande (46) est conçue de manière mobile et agit sur la cabine pour le conducteur (22) ou s'appuie sur elle et en ce que, du fait d'un mouvement de la cabine pour le conducteur (22), elle arrive avec celle-ci de la position de non-fonctionnement à la position de fonctionnement et inversement.
  3. Véhicule selon la revendication 1 ou 2, caractérisé en ce que la tringlerie de commande (46) comprend un levier d'actionnement (16), qui peut prendre une position de fonctionnement sensiblement redressée et une position de non-fonctionnement, dans laquelle il arrive à la suite d'un mouvement dirigé vers le bas.
  4. Véhicule selon l'une quelconque ou plusieurs des revendications précédentes, caractérisé en ce que la cabine pour le conducteur (22) libère un mouvement dirigé vers le bas du levier d'actionnement (16) lorsqu'elle passe de la position de fonctionnement inférieure à la position de non-fonctionnement située au-dessus.
  5. Véhicule selon l'une quelconque ou plusieurs des revendications précédentes, caractérisé en ce que le levier d'actionnement (16) est disposé sur un levier (56) et pivote autour d'un premier axe de pivotement (58) et en ce que le levier (56) est disposé sur le cadre du véhicule (28) de manière à pivoter autour d'un deuxième axe de pivotement (62), les deux axes de pivotement (58, 62) faisant l'objet d'un décalage radial entre eux et une bielle de transmission de mouvement (52) servant à actionner le véhicule (10) étant disposée sur le levier (56) à proximité du deuxième axe de pivotement (62) ou en alignement avec celui-ci.
  6. Véhicule selon l'une quelconque ou plusieurs des revendications précédentes, caractérisé en ce que le levier (56) est poussé vers le bas autour du deuxième axe de pivotement (62) par la cabine pour le conducteur (22) et en ce que le levier d'actionnement (16) est pivoté dans la position de fonctionnement lorsqu'en position de fonctionnement la cabine pour le conducteur (22) repose sur le levier (56).
  7. Véhicule selon l'une quelconque ou plusieurs des revendications précédentes, caractérisé en ce que le centre de gravité du levier d'actionnement (16) est disposé sur le côté du levier (56) qui est opposé au point d'attaque de la cabine pour le conducteur (22) par rapport au deuxième axe de pivotement (62).
  8. Véhicule selon l'une quelconque ou plusieurs des revendications précédentes, caractérisé en ce qu'il est conçu comme pelle chargeuse guidée à déplacement horizontal et en ce que le levier d'actionnement (16) sert à la commande du mécanisme de translation.
  9. Véhicule selon l'une quelconque ou plusieurs des revendications précédentes, caractérisé en ce que, dans la zone de son appui sur la cabine pour le conducteur (22), le levier (56) est muni d'un amortisseur (78).
EP98119186A 1997-10-17 1998-10-12 Véhicule Expired - Lifetime EP0909856B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/953,560 US5918694A (en) 1997-10-17 1997-10-17 Pivotable control lever mechanism
US953560 1997-10-17

Publications (3)

Publication Number Publication Date
EP0909856A2 EP0909856A2 (fr) 1999-04-21
EP0909856A3 EP0909856A3 (fr) 1999-11-17
EP0909856B1 true EP0909856B1 (fr) 2003-08-06

Family

ID=25494186

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98119186A Expired - Lifetime EP0909856B1 (fr) 1997-10-17 1998-10-12 Véhicule

Country Status (8)

Country Link
US (1) US5918694A (fr)
EP (1) EP0909856B1 (fr)
JP (1) JP3184801B2 (fr)
KR (1) KR19990036659A (fr)
AU (1) AU732698B2 (fr)
CA (1) CA2241199C (fr)
DE (1) DE59809192D1 (fr)
ES (1) ES2200251T3 (fr)

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USD600721S1 (en) * 2008-06-06 2009-09-22 Kubota Corporation Skid steer loader
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RU2467907C2 (ru) * 2011-02-28 2012-11-27 Открытое акционерное общество "Красноярский завод лесного машиностроения" (ОАО "Краслесмаш") Механизм наклона кабины лесопромышленного трактора колесного типа
EP2934992B1 (fr) 2012-12-20 2016-12-14 CNH Industrial America LLC Système de suspension de cabine pour véhicule de travail à butées d'amortissement s'étendant circonférentiellement
US9017005B2 (en) 2013-01-30 2015-04-28 Deere & Company Skid steer loader lift linkage assembly
KR102572963B1 (ko) 2016-02-05 2023-08-30 클라크 이큅먼트 컴파니 기계식 제어 연결장치
US10000244B2 (en) * 2016-02-17 2018-06-19 Wacker Neuson Production Americas, L.L.C. Tiltable cabin
US11878743B2 (en) * 2020-08-20 2024-01-23 Doosan Bobcat North America Inc. Assist mechanism for moving cab on power machine
US12296694B2 (en) 2021-03-10 2025-05-13 Techtronic Cordless Gp Lawnmowers
US12077940B2 (en) * 2021-09-13 2024-09-03 Caterpillar Sarl Systems, assemblies, and methods for implementing key plate for locking cab to main body of work machine
US12275460B2 (en) * 2021-09-13 2025-04-15 Caterpillar Sarl Systems, assemblies, and methods for locking cab to main body of work machine
JP7662552B2 (ja) * 2022-02-08 2025-04-15 株式会社クボタ 作業車両
USD1015381S1 (en) 2022-02-14 2024-02-20 Techtronic Cordless Gp Lawn mower
USD1014568S1 (en) 2022-02-14 2024-02-13 Techtronic Cordless Gp Lawn mower

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Also Published As

Publication number Publication date
JP3184801B2 (ja) 2001-07-09
EP0909856A3 (fr) 1999-11-17
JPH11217053A (ja) 1999-08-10
CA2241199A1 (fr) 1999-04-17
CA2241199C (fr) 2002-02-26
DE59809192D1 (de) 2003-09-11
KR19990036659A (ko) 1999-05-25
ES2200251T3 (es) 2004-03-01
EP0909856A2 (fr) 1999-04-21
US5918694A (en) 1999-07-06
AU732698B2 (en) 2001-04-26
AU8928598A (en) 1999-05-06

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