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| Number | Title | Issue Date |
| 7793965 | Trailer steering system for a tractor/trailer combination A tractor/trailer combination wherein a trailer is connected to a tractor through the connection of a kingpin with a fifth wheel is provided with a trailer steering system. Using given dimensions of the tractor/trailer combination and a measured articulation angle b... | 09/14/2010 |
| 7461854 | Steering connection assembly A steering connection assembly is provided that interconnects a towed implement with a tow vehicle. The steering connection assembly includes a tongue member having a forward end pivotally connected at the tow vehicle so as to rotate about a first vertical axis, and... | 12/09/2008 |
| 7357401 | Steering system for automotive vehicles A steering system for a vehicle having a body supported on at least two sets of steerable wheels, generally consisting of a steering shaft provided with a wheel, supported on such body; a torque transmitting main shaft supported longitudinally on the body; means ope... | 04/15/2008 |
| 7338061 | Stabilized vehicle using articulating joint The present invention provides a critical breakthrough in wheeled vehicle concepts, by enabling stable vehicle operations, where wheelbase configuration varies in relation to the need for roll preventing force. This enables a new form of automobile that is especiall... | 03/04/2008 |
| 7225891 | Control system for a vehicle In a control system for a train composed of a towing vehicle and a trailer, the towing vehicle is equipped with an electronically actuatable drive train. A trailer steering angle actual value sensor determines a trailer actual steering angle of a wheel axle which st... | 06/05/2007 |
| 7219913 | Articulated vehicle wheel tracking mechanism The invention provides a trailer for use as part of an articulated vehicle (15) with improved cornering characteristics. The trailer includes: a main chassis (18) connectable to a wheeled section (16) of the vehicle immediately ahead of the trai... | 05/22/2007 |
| 7213824 | Suspension system for a transport vehicle A suspension system for a multi-axle transport vehicle for moving heavy loads includes two fluid activated cylinders and two spaced apart arms for each wheel and axle set which allow the transport vehicle to be raised and lowered with respect to the roadway. The sus... | 05/08/2007 |
| 7159888 | Modular transport vehicle and method of use A modular transport vehicle includes a plurality of dollies which are removably connected to a central spine. Because the components of the present invention may be disconnected, the transport vehicle may be readily disassembled and moved from location to location u... | 01/09/2007 |
| 7156591 | High mobility recovery trailer The invention in a preferred form includes a frame assembly having a load bearing surface and a hitch engagement. The hitch engagement includes a lifting bar and a hitch guide. A bogey assembly may be further attached to the frame. The bogey assembly may include a w... | 01/02/2007 |
| 7147241 | Steering device for towed implements The present invention relates to a steering device for facilitating the steering of an implement towed by a work vehicle. The towed implement, for example, a farm implement such as a seeding device, comprises a main frame having front and rear ends and at least one ... | 12/12/2006 |
| 7137641 | Trailer apparatus A trailer train apparatus is disclosed that is comprised of a plurality of trailers connected end-to-end. At least some of the trailers are wheeled trailers with steerable wheels. The train includes opposing end trailers that each have tongues that enable the train ... | 11/21/2006 |
| 7134829 | Cargo trailer A trailer for carrying cargo includes a frame, at least two axles mounted to the frame, and a deck. The axles have wheels at opposite ends of the axles for movably supporting the frame above the ground. The deck is pivotally mounted to the frame and is pivotable abo... | 11/14/2006 |
| 7130727 | Vehicle safety system having methods and apparatus configurable for various vehicle geometries Methods and apparatus for automatically adjusting the angle of a rotatable side view mirror of an articulated tractor and trailer includes transducers attached to the tractor for transmitting signals toward the trailer and for receiving signals reflected by the trai... | 10/31/2006 |
| 7086660 | Forced steering device and trailer The invention refers to a forced steering device of a vehicle, with a master cylinder, which extends between the vehicle-stationary point and a point following the steering movement and is connected to a slave cylinder coupled for the forced steering of a wheel. It ... | 08/08/2006 |
| 7011327 | Displaceable ball hitch assembly A method and apparatus for providing a displaceable ball hitch assembly configured to be mounted in a bed of a truck. The displaceable ball hitch assembly includes a platform track, a displaceable platform, a gate member and a driving mechanism. The platform track d... | 03/14/2006 |
| 6942232 | Suspension system for a transport vehicle A suspension system for a multi-axle transport vehicle for moving heavy loads includes two fluid activated cylinders and two spaced apart arms for each wheel and axle set which allow the transport vehicle to be raised and lowered with respect to the roadway. The sus... | 09/13/2005 |
| 6796572 | Method for steering a transport vehicle and apparatus therefor A method and device for steering a heavy load transport vehicle includes a variable length strut which cooperates with a power steering valve. The length of the variable length strut changes as a function of tow bar rotation. This length variation is mechanically co... | 09/28/2004 |
| 6604753 | Rear wheel steering process A method and apparatus for long vehicles to make sharp turns on city streets without running up on the curb. The back wheels of the vehicle are steered with the aid of a guide control wheel so that when the semi or truck is making a sharp turn, the rear w... | 08/12/2003 |
| 6571160 | Rear-wheel steering angle control device The present invention provides a rear-wheel steering angle control device which is capable of drastically reducing the man-hours required for setting a gain of a target rear-wheel steering angle relative to a front-wheel steering angle. The rear-wheel ste... | 05/27/2003 |
| 6513825 | Coupling arrangement between a trailer and a pulling vehicle A coupling arrangement between a trailer and a pulling vehicle wherein the pulling vehicle includes a first coupling plate on which the corresponding second coupling plate of the trailer is placed for obtaining locked coupling. The plates have low frictio... | 02/04/2003 |
| 6494476 | Robotic vehicle that tracks the path of a lead vehicle A method and apparatus for controlling the steering of a trailing section of a multi-sectioned vehicle is described. The trailing section follows the path of the first section. Data is acquired by a controller from sensors on the various sections. The con... | 12/17/2002 |
| 6488114 | Grain cart An improved grain cart is able to hold more grain with reduced field compaction to derive greater yield from a farm field. The grain cart includes a frame which supports a grain hopper and is supported by a plurality of wheels, some of which are steerable... | 12/03/2002 |
| 6450523 | Steering method for a trailing section of an articulated vehicle This invention relates generally to systems used to steer trailing sections of articulated vehicles and trailers. The preferred embodiment of this invention is a steerable dolly that can be manually and/or automatically switched among multiple modes. The ... | 09/17/2002 |
| 6431564 | Add-on self tracking axle for a vehicle The present invention is a self steering "add on" axle system for use with a vehicle such a dump truck in order to increase the legal weight capacity of the vehicle and provide effective steering in both the forward and reverse directions. The system comp... | 08/13/2002 |
| 6409199 | Rear wheel steering system A method and apparatus for long vehicles to make sharp turns on city streets without running up on the curb. The back wheels of the vehicle are steered so that when the semi or truck is making a sharp turn, the rear wheels continue straight down the stree... | 06/25/2002 |
| 6405113 | Vehicle behavior control apparatus A vehicle behavior control apparatus is disclosed. The vehicle behavior control apparatus comprises: a slip angle difference predicting section for predicting a difference between a slip angle of front wheels and a slip angle of rear wheels; a steer angle... | 06/11/2002 |
| 6308976 | Steerable trailers A multiple axle trailer is disclosed consisting of a main chassis articulated to a tractor unit and a sub-chassis relative to which the main chassis rotates on a turntable. The sub-chassis has a pair of forward wheel (3) and pair of rear wheels (4), each ... | 10/30/2001 |
| 6264337 | Vehicle safety system An apparatus for automatically adjusting the angle of a rotatable side view mirror of a vehicle having a trailer coupled thereto includes transducers attached to the vehicle for transmitting signals toward the trailer and for receiving signals reflected b... | 07/24/2001 |
| 6152475 | Truck trailer steering apparatus A converter dolly replaces the rear wheels of a truck trailer to provide the trailer with a steering ability about its rear wheels. The converter dolly is modified to include a hydraulic actuating system, including a piston, cylinder, and pump assembly, w... | 11/28/2000 |
| 6131691 | System for guided steering of at least one set of wheels of a semi-trailer or a trailer The system for guided steering of a set of rear wheels of a semi-trailer comprises a pulling vehicle and a semi-trailer having rear wheels which are turnable with respect to a chassis of the trailer to turn from a neutral position to one or the other side... | 10/17/2000 |
| 6036217 | Method and apparatus for connecting a towed vehicle to a towing vehicle An apparatus (110) is provided for connecting a towed vehicle (111) to a towing vehicle that includes a support structure (216) with a self-steer axle system (290) connected to the support structure. The self-steer axle system has a reversible axle caster... | 03/14/2000 |
| 5980048 | Vehicle safety system An apparatus for automatically adjusting the angle of a rotatable side view mirror of a vehicle having a trailer coupled thereto includes transducers attached to the vehicle for transmitting signals toward the trailer and for receiving signals reflected b... | 11/09/1999 |
| 5904365 | Combine with powered and steerable grain trailer A powered towing vehicle having steering wheels and a wheeled trailer is connected to the vehicle for its towing. The wheels of the trailer are connected to a source of power for generating forward and rearward movement of the trailer. These wheels also a... | 05/18/1999 |
| 5860667 | Coupling for controlling the angular offset between two road transport units connected to one another by a self-supporting intermediate unit Coupling for controlling the angular offset between two road transport units (A and B) connected to one another by an intermediate self-supporting unit (C), unites (A) and (B) being respectively oriented thereto at angles and ଲ, the intermed... | 01/19/1999 |
| 5816605 | Tandem axle suspension with self-steering rear axle A tandem axle vehicle suspension system which includes a rear axle mount that is automatically moveable between a forward caster and rearward caster position of the axle mount relative to the suspension system to cause self-steering of the rearward axle w... | 10/06/1998 |
| 5700023 | Vehicle formed from a series of modules interconnected by a composite articulated connection The articulated vehicle is formed from a plurality of modules interconnected in an articulated fashion, including one leading module (1) with a front steering set of wheels (12), a rear module (3) with a controlled orientable rear set of wheels (13) and, ... | 12/23/1997 |
| 5630604 | Remotely-steered trailers A remotely-steered trailer, and a sensor for sensing the direction of motion of a vehicle towing the trailer. The sensor includes a source of varyng electrical potential, rigidly fastened to the trailer; a pointer in electrical contact with the source of ... | 05/20/1997 |
| 5607028 | All-wheel steering system A full-time all wheel steering system is provided whereby the rear wheel angle is determined by the front wheel angle and a relational curve, polynomial equation or set of tabulated values. The front wheel angle is measured and the desired rear wheel angl... | 03/04/1997 |
| 5579228 | Steering control system for trailers An angle sensor for measuring an angle θ between two rigid bodies rotatably joined at a joint. The angle sensor includes an indicator disk, an anchor strap and a reading means for reading the indicator disk. Our invention also includes forward and backwa... | 11/26/1996 |
| 5558350 | Steering control system for trailers An angle sensor for measuring an angle θ between two rigid bodies rotatably joined at a joint. The angle sensor includes an indicator disk, an anchor strap and a mechanism for reading the indicator disk. Our invention also includes forward and backward m... | 09/24/1996 |
