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WO/2002/028677A1 |
There are two basic methods of steering a wheeled vehicle. One method is to turn one or more steerable wheels. The other is to drive one or more left hand wheels independently of one or more left hand wheels. In the present invention bot...
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WO/2002/022428A2 |
The invention relates to an improved suspension of steered wheels for all types of vehicles, especially single-track scooters which can be steered by means of weight transfer, having a front wheel and a rear wheel which are arranged one ...
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WO/2001/092084A1 |
Motor-vehicle having at least a rear driving wheel and two front rolling and steering wheels connected to each other by a linkage mechanism (15; 15bis) provided with a suspension system (19) that comprises at least a pair of shock-absorb...
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WO/2001/087689A1 |
The invention relates to a tilting vehicle (1) with a front frame section (2) having a longitudinal axis (8), a driver's seat (7) and one or more wheels (4) that are able to turn about a front wheel steering axis (5) located transversely...
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WO/2001/064575A1 |
A hydraulic-driven working vehicle, wherein a pressure oil is fed from a hydraulic pump (30) to both hydraulic motors (21A, 21B) through piping to perform forward and backward runnings and the rotating directions of the hydraulic motors ...
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WO/2001/038119A1 |
The invention relates to a hydrostatic drive (1) with a hydraulic pump (3) and a plurality of hydraulic motors (6-9) that are hydraulically linked with said hydraulic pump (3). One speed sensor (20; 21; 22; 23) each is allocated to a res...
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WO/2001/036253A1 |
Three-wheel vehicle comprising a front steering wheel (2) and a pair of rear driving wheels (3, 4), supported at the ends of two respective oscillating arms (16, 17), the other ends of which are hinged onto the vehicle frame (6) about a ...
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WO/2001/030636A1 |
The invention relates to a method for steering and driving a self-propelled working machine, or a working machine comprising front wheels and steerable rear wheels. In order to guarantee high steering stability at all driving speed range...
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WO/2001/012493A1 |
A vehicle such as a forklift truck has a pair of wheels (12L, 12R) each steerable by a respective hydraulic cylinder (24L, 24R) such that each wheel is turned to an angle determined by the position of the piston head in the respective cy...
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WO/2001/007279A1 |
The invention relates to a device for improving the steerability of driven axles. A central transmission transfers driving torque to steered wheels via drive shafts. The central transmission is mounted in such a way that it can rotate ar...
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WO/2001/007275A1 |
Stabiliser device for both static and dynamic stabilisation of structural components (2, 3), which are each provided with at least two parallel hinge shafts (4-7) at some distance from each other, in which the hinge shafts of the structu...
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WO/2000/076902A1 |
A side fork type transportation vehicle, wherein, when the vehicle runs straight forward in normal running mode in which a pair of right and left drive wheels (2) and steering wheels (3) face in longitudinal direction, the vehicle can be...
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WO/2000/061423A1 |
The invention concerns a vehicle (1) comprising a truck chassis (2) articulated about a rotation axis (ZZ') on a steering assembly (3) including at least two drive wheels (4a, 4b), characterised in that it comprises inclining means (MI) ...
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WO/2000/041924A1 |
A compensating means (28) for compensating for different wheel turn angles in a vehicle, the vehicle having a plurality of wheels (12, 14, 16, 18) at least two of which (12, 14) are operatively connected by a drive system (22, 30) so as ...
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WO/2000/009385A1 |
A vehicle (1) is provided with an implement (2) connected to the steering assembly (3) of the vehicle. The vehicle is of the type where the steering assembly (3) pivots with respect to the vehicle body (5). A linkage means (10-15; 13-15)...
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WO/1999/054186A1 |
An automatic device with electrohydraulic and/or electropneumatic driving, for reducing the effects of the centrifugal force onto cornering vehicles and thus limiting their skidding to the right, and that determines the transformation of...
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WO/1999/046972A1 |
Broadly, one aspect of the present invention is an articulated combine (10) having increased grain storage capacity (e.g., 1,200 bushels) and which is composed of a forward unit (12) having an operator's cab (15), an engine (18), a grain...
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WO/1999/047372A1 |
Briefly, a suspension (10) for a three-wheel vehicle to improve comfort and safety by facilitating body and wheel lean while supporting vehicle weight, absorbing road forces, damping oscillations, and accommodating vehicle propulsion. Th...
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WO1999036305B1 |
The invention deals with the wheels (1) of small passenger vehicles, i.e.: a) back wheels performing the steering functions; b) front wheels of big dimensions, as compared with the back ones; c) siamese wheels. With the innovation in a) ...
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WO/1999/041136A1 |
A car frame for three-wheeled vehicles having two steering front wheels and one rear wheel comprising a rigid portion and a trapezoidal portion capable of being deformed and allowing the centre of gravity of the vehicle and the loads app...
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WO/1999/024308A1 |
The invention relates to a vehicle (1) provided with a frame having two frame sections (3, 4) which are able to tilt with respect to one another. An opposite lock power transmitter (50) is connected to a steerable front wheel (13). The o...
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WO/1999/014099A1 |
The invention relates to a vehicle (1) provided with a frame (2) having a front frame part (3) and a rear frame part (4) which can tilt with respect to one another. The vehicle (1) comprises three or more wheels (7, 7', 13), it being pos...
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WO/1999/012795A1 |
The present invention relates to a vehicle which is capable of inclination when taking bends and includes an active roll control. The theoretical value of the roll angle to be adjusted includes components which are correlated with an exp...
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WO/1998/056638A1 |
An auxiliary steering device for a carrier which comprises a caster wheel device including a carrier body provided with main wheels, and a sub-wheel supporting device for connecting sub-wheels to the carrier body while rotatably supporti...
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WO/1998/047756A1 |
A steering assembly (1) for a utility vehicle (2) having a supporting frame (3); the assembly (1) having a steerable front axle (4) having a transverse axle member (13) defined longitudinally by end portions (15) pivotable about respecti...
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WO/1998/043845A1 |
The present invention relates to a device for a differential gear for vehicles, comprising driving means (32, 210) capable of driving the vehicle and steering means (18, 212) capable of changing the direction of the vehicle, which differ...
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WO/1998/043872A1 |
The present invention relates to a small size high mobility three wheel vehicle for light duty transportation, the main feature of which is that it comprises a frame (2) coupled to a chassis (3) and supporting a central front wheel (10) ...
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WO/1998/010976A1 |
The invention concerns a vehicle with adjustable cab which can be lowered comprising a carrier frame consisting of cab supports (2, 3) mounted pivoting on horizontal axes (4, 5) which are mounted on the walls of a cab (1), of wheel suppo...
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WO/1997/029006A1 |
A vehicle (10) is provided including a main frame structure (12), a track assembly (22) mounted to the main frame structure (12) and having a single, endless ground engaging track (26) extending in a longitudinal direction. A pair of ste...
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WO/1997/027071A1 |
The invention concerns a vehicle with two adjacent link arms (3) which support the vehicle with respect to the surface on which it is travelling. The link arms (3) can be coupled to each other via engagement elements (4) such that given ...
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WO/1997/021583A1 |
A vehicle having at least three wheels (11) with a suspension system comprising at least two arms (10) hinged at one end thereof to the frame of the vehicle (1, 8, 16) and at the opposite end thereof to the hub of the respective wheel, d...
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WO/1997/009223A1 |
The invention of this particular vehicle, due to its special characteristics, is an important innovation in solving the problems of traffic jams and parking spaces. It has the manoeuvrability of a motorcycle, and all the comforts of a ca...
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WO/1996/003304A1 |
A wheeled transporter (59) for air cargo comprises a load carrying platform (60) having rollers (70), connected at one edge to a power console (12) incorporating a prime mover, and supported at the other edge with unpowered castoring whe...
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WO/1995/034459A1 |
Self-balancing vehicle with at least three wheels resting on the ground, at least two of which wheels are arranged on either side of the centre of gravity with respect to the longitudinal axis of the vehicle, and at least one of which wh...
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WO/1995/034460A1 |
A motor vehicle (1) including modular units for operating two rear wheels (10) of the vehicle, the motive unit (3) includes a rigid link (100) which is pivotally connected between the rear wheel and the motive unit, and the motive unit i...
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WO/1995/030569A1 |
In the four wheel drive version of the invention, the path of the implement is determined by driving the two left hand wheels (10, 11) independently of the two right hand wheels (5, 6), the driving wheels (5, 6, 10, 11) being turned abou...
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WO/1995/030570A1 |
Front and rear wheeled units (13, 14) of vehicle are connected together for articulated steering. Wheels on at least one unit are mounted for swivelling relative to the respective unit to provide kingpin steering in combination with arti...
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WO/1995/005948A1 |
A suspension for a wheeled vehicle includes a chassis (11), left and right hub carriers (12, 13), and left and right support members (14, 17) for supporting the hub carriers (12, 13) on the chassis (11) in opposite positions relative to ...
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WO/1995/003452A1 |
An applicator (10) for applying seamless flooring material to a subfloor (11) including a chassis (12) steerably mounted on wheels (14, 16, 18). A dispensing hopper (28) on a frame (30) is towed behind the chassis (12) from a shaft (74, ...
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WO/1994/020353A2 |
A power steering system for use in a land vehicle with separately driven steerable wheels (30). Servo-control is produced by creating a differential torque by means of motors (40). The servo-control is provided when a torque is applied t...
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WO/1993/019248A1 |
An applicator for applying seamless flooring material is disclosed. The preferred embodiment includes a chassis (42) steerably mounted on wheels (44, 46). A hydraulic pump (58) pumps fluid in series through hydraulic motors (68) on the w...
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WO/1993/010735A1 |
A four wheel drive vehicle (10) which is suitable for use as a wheelchair or the like. The vehicle (10) has a steering arrangement which allows the vehicule to be steered merely by selectively driving the left and right wheels. The steer...
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WO/1993/008063A1 |
In a motor vehicle equipped with a hybrid drive formed by an internal combustion engine-generator unit (16), steering is actively assisted when taking curves by controlling the individual drive (8, 10) of the outer and inner wheel depend...
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WO/1991/001240A1 |
An improved outdoor power equipment unit, such as riding lawn mower (2), comprises a frame (4) having steerable front wheels (24) and rear traction wheels (26). Each rear wheel (26) is independently driven by a separate transmission (62)...
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WO/1989/007545A1 |
The suspension of a steerable wheel axle (3) of a tractor (1), whose axle body (7) is rigidly connected on its rear face to a drag-bar-type sliding guide (4) which pivots freely on the chassis (2) on a ball and socket joint (5) and is su...
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WO/1989/007065A1 |
A multiple-axle steering system for a vehicle comprises a hydromechanical steering gear with a working cylinder (48) which reinforces the steering force exerted on a first axle (40) and a hydrostatic steering connection with a blocking d...
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WO/1989/000927A1 |
Disclosed is a control apparatus for a vehicular suspension system having a plurality of suspension units (FS1, FS2, RS1, RS2) each disposed between a road wheel and the body of a vehicle for suspending the corresponding road wheel from ...
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WO/1989/000125A1 |
An articulated vehicle which is extremely manoeuvrable and particularly suited for use in areas of limited space. The vehicle comprises first and second portions (10, 11) and pivot means interconnecting said first and second portions for...
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WO/1988/002329A1 |
A method of improving the balance of a vehicle and friction in a lateral direction, with changes in the direction of forward movement. The negative effect of the centrifugal force on balance and friction is counteracted by changed wheel ...
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WO/1987/002951A1 |
Three or four wheeled vehicle which leans into corners so as to remain stable even when the vehicle has a narrow track. The steering mechanism is such that leaning of the vehicle to either respective side of the vertical causes the front...
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