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| Number | Title | Issue Date |
| 8100219 | Device for orientating rear wheels A device for orientating rear wheels of a vehicle, including: a rear axle fitted with two orientable wheels; an actuator including: a body with a lubricated guide bearing and an actuating member that can move relative to the body, guided by the bearing, and the move... | 01/24/2012 |
| 7866434 | Steering apparatus A steering apparatus includes an axle housing rotatably supporting a wheel hub on which a steered road wheel is installed, and a lower suspension-system control arm adapted to be oscillatingly supported at one end on a vehicle body and having a turning portion provi... | 01/11/2011 |
| 7861820 | Electronically steered and sprung idler assembly A steering system for an industrial vehicle includes a drive wheel configured to steerably align with a first radius of curvature. The steering system further includes an electronically controlled idler wheel configured to steerably align with a second radius of cur... | 01/04/2011 |
| 7849955 | Materials handling vehicle having a steer system including a tactile feedback device A materials handling vehicle is provided comprising: a frame comprising an operator's compartment; wheels supported on the frame, at least one of the wheels being a steerable wheel; a steer-by-wire system and control apparatus. The steer-by-wire system is associated... | 12/14/2010 |
| 7575089 | Steering apparatus A front steering gear (18) is connected with steerable front wheels (12 and 14) of a vehicle (10). A rear steering gear (28) is connected with steerable rear wheels (30 and 32) of the vehicle (10). A torque sen... | 08/18/2009 |
| 7549502 | Steering device for steering wheels A steering apparatus for steering wheels (1) of a vehicle (2) comprises support means (4) arranged for supporting said wheels (1), driving means (27) arranged for rotating said support means (4) around respective longitudina... | 06/23/2009 |
| 7448465 | Machine with a steering axle with axle tree bolsters and axle bodies having individual components An industrial truck has a steering axle with two axle tree bolster systems located at a lateral distance from each other. Each system has an axle body with an axle shaft (1) and an axle tree bolster (2) located on the lower end of the axle shaft (1 | 11/11/2008 |
| 7418328 | Steering logic for self-propelled mower Steering logic for a self-propelled vehicle having a plurality of wheels includes the steps of receiving translational velocity and angular velocity commands, determining the resultant velocity and steer angle of each wheel, and determining the wheel offset correcti... | 08/26/2008 |
| 7392121 | Vehicle steering system An automatic parking control is cancelled when a motor current has not yet reached a maximum current value Imax with a steering angle deviation exceeding a deviation threshold value. In addition, the automatic parking control is cancelled when a steering ... | 06/24/2008 |
| 7370552 | Mechanism for controlling toe angle of vehicle wheels A power transfer system is constituted under a simple construction (a worm gear, transfer rod integrally installed with a worm sector gear, and lower control arm), thereby improving the efficiency of the power transfer of the toe-angle controlling mechanism for vehi... | 05/13/2008 |
| 7308964 | Vehicle steering apparatus A vehicle steering apparatus includes a steering input section having at least a steering wheel to which steering input is applied, and a steering output section having at least a steering rack shaft and operatively associated with left and right steered wheels for ... | 12/18/2007 |
| 7278511 | Controller for steering a vehicle Methods and apparatus for steering a vehicle are disclosed. A vehicle in accordance with an exemplary embodiment of the present invention is capable of operating in a first steering mode and a second steering mode. The vehicle may comprise an input device capable of... | 10/09/2007 |
| 7267409 | High tonnage ultra light mining truck with a greater load efficiency for off-road applications that comprises a lightweight power and traction system, a steering system and a lateral suspension and tipping system for the lightweight curved dump The present invention refers to a high tonnage ultra light mining truck with a greater load efficiency for off-road applications that, in addition to the body, comprises a lightweight curved dump body and a knuckle joined lightweight power and traction system, a ste... | 09/11/2007 |
| 7258194 | Vehicle steering system having a rear steering control mechanism A vehicle steering system includes a steering input device, a front steering subsystem, a rear steering subsystem, a first force transmission route, a steering control mechanism, a second force transmission route, and a third force transmission route. The front stee... | 08/21/2007 |
| 7255194 | Steering system for a zero-steer vehicle A vehicle is provided having a steering system for selectively operating the vehicle in a zero-steer configuration. The system includes a forward steering assembly coupled to a steering wheel and a forward set of wheels. The forward steering assembly is arranged to ... | 08/14/2007 |
| 7252299 | Steering system for crane A steering system (10) for a vehicle, such as a gantry crane (12). The gantry crane (12) generally includes a support structure (14) having a first front wheel (32) and a second opposing front wheel (36) connected proximate ... | 08/07/2007 |
| 7213675 | Method and system for anti-static steering for vehicle steering systems A method for implementing anti-static steering for vehicle steering systems includes receiving a desired rear wheel angle input and receiving a vehicle speed input. An approved rear wheel angle output is generated using the desired rear wheel angle input and the veh... | 05/08/2007 |
| 7200894 | Roller Roller (1), particularly a castor-type roller, with rotational movement of a running wheel (12), with an operating shaft (20) which passes through a control cam (19) of the roller (1) and on which an electric motor (37) acts... | 04/10/2007 |
| 7195253 | Motorized traction device for a patient support A patient support including a propulsion device for moving the patient support. The patient support includes a propulsion system having a propulsion device operably coupled to an input system. ... | 03/27/2007 |
| 7191865 | Off road vehicle 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 right hand wheels. Traditional vehicles address the potential conflict betw... | 03/20/2007 |
| 7185723 | Support system for a forklift power train There is provided a support system for a forklift power train, having little vibration transmission to a body frame, but capable of effectively suppressing movement of the power train against even a quick movement of a vehicle occurred in such a case as when the veh... | 03/06/2007 |
| 7184869 | Electric vehicle steering/drive control method In steering control for individually controlling wheel steering angles α1, α2, α3, and α4 of a vehicle in accordance with a condition equation for forming a prescribed mode, one of the condition equation variables is u... | 02/27/2007 |
| 7168724 | Steering system for crane A steering system (10) for a vehicle, such as a gantry crane (12). The gantry crane (12) generally includes a support structure (14) having a first front wheel (32) and a second opposing front wheel (36) connected proximate ... | 01/30/2007 |
| 7159903 | Steering mechanism for power cycle A steering mechanism is mainly comprised of an upper and a lower axle seat, in which the upper axle seat and the lower axle seat are provided for receiving an upper axle and a lower axle respectively. The upper and the lower seats are combined together by pivotally ... | 01/09/2007 |
| 7077232 | Optimum steering system geometry An improved system for achieving optimum steering angles for wheels incorporates a sensor which senses the steering angle of a first wheel. The sensed angle is sent to a control which then determines the optimum angle for the other steered wheel based upon known for... | 07/18/2006 |
| 7047712 | Self-propelled mower having enhanced maneuverability A frame of a mower supports wheel assemblies, a propulsion unit, and a mowing deck. Each wheel assembly is associated with a corresponding wheel, a corresponding electrical steering motor, and a corresponding electrical drive motor. A controller controls a direction... | 05/23/2006 |
| 7044244 | Multi-wheel vehicle A vehicle comprises a steering operation device, a pair of running-driving wheels, which differentially drive when the steering operation device is manipulated, a pair of steerable running wheels interlocking with the steering operation device, and a steering mechan... | 05/16/2006 |
| 7019624 | Forklift A forklift has a driving wheel capable of being steered by 360°, a steering angle detecting section for detecting a steering angle of the driving wheel, a rotary direction detecting section for detecting a rotary direction of the driving wheel, a running direction ... | 03/28/2006 |
| 6991573 | Steering actuator of independent steer-by-wire system A steering actuator of an independent type steer-by-wire system comprises a housing fixed to a vehicle body and an ultrasonic motor. The ultrasonic motor has a stator internally fixed to the housing and a rotator rotating relative to the stator when an electric curr... | 01/31/2006 |
| 6968262 | Steering angle correction device Steering angle is determined by the combined use of a potentiometer and a rotary encoder, and the correction of the error in the determination of the steering angle based on the time-dependent change of the potentiometer. ... | 11/22/2005 |
| 6951259 | Multi-wheel vehicle A vehicle comprises a steering operation device, a pair of running-driving wheels, which differentially drive when the steering operation device is manipulated, a pair of steerable running wheels interlocking with the steering operation device, and a steering mechan... | 10/04/2005 |
| 6945350 | Steering apparatus for turning multiple sets of steerable vehicle wheels A steering apparatus (10) for turning steerable wheels of a vehicle having first and second sets (14 and 16) of steerable wheels comprises a first steering gear (22) actuatable, in response to rotation of a handwheel (110), to effe... | 09/20/2005 |
| 6922620 | Actuator synchronization and locking concept for steer by wire applications A steer-by-wire system for a vehicle that provides synchronization capability to an actuator of a steerable device and an actuator of a steering input device includes a steering input device actuator operably connected to the steering input device of the vehicle and... | 07/26/2005 |
| 6913106 | Vehicle steering system In a vehicle steering system, a steering mechanism includes an input section, and a steering section mechanically separated from the input section, and arranged to steer a vehicle. An actuating section includes a plurality of drive units for producing an actual torq... | 07/05/2005 |
| 6874800 | Hospital bed wheel linkage apparatus A patient support including a linkage assembly providing communication between at least one front wheel and at least one rear wheel. ... | 04/05/2005 |
| 6866113 | Forklift with transverse travel system A vehicle body (2) is provided with a pair of right and left front wheels (3) and a pair of right and left rear wheels (4), these wheels being adapted to be turned through 90 degrees. The front wheels (3) are attached to turning members (... | 03/15/2005 |
| 6854557 | Anti-jackknife control for vehicle-trailer backing up using rear-wheel steer control A vehicle control system that selectively provides rear-wheel steering to prevent a vehicle-trailer from jackknifing during a back-up maneuver. The system senses a steering angle of the vehicle, a speed of the vehicle and a hitch angle between the vehicle and the tr... | 02/15/2005 |
| 6827176 | Vehicle with offset extendible axles and independent four-wheel steering control A vehicle includes a chassis supporting two front axle assemblies and two rear axle assemblies. Each of the front and rear axle assemblies includes an extendible and retractable axle supporting an independently steerable wheel and a steering mechanism. The axles of ... | 12/07/2004 |
| 6804592 | Four wheel steering compensation for low coefficient of friction surface A method directed to improving the stability of a motor vehicle having front and rear steering capabilities includes determining a coefficient of friction of the road surface with which the motor vehicle is engaged and adjusting a phase gain function of a rear steer... | 10/12/2004 |
| 6793036 | Working vehicle with transverse system A working vehicle with a transverse system, wherein when a traveling mode is switched to transverse traveling, a switching valve is switched to feed a full flow of pressure oil from a hydraulic pump to a flow divider. The flow divider controls the flow to allow a sp... | 09/21/2004 |
