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| Number | Title | Issue Date |
| 7637331 | Steering device for vehicle A vehicle including a steer-by-wire type steering device controlling yaw moment of the vehicle in correspondence with an operation of a steering wheel mechanically separated from each of wheels. The wheels are configured such that a steered angle cannot be changed. ... | 12/29/2009 |
| 7130729 | Adaptive compensation of rear-wheel steering control using vehicle dynamics parameter estimation An active rear-wheel vehicle steering control system that employs both open-loop and closed-loop control, where the open-loop and closed-loop control include adaptive compensation sub-systems that compensate for changes in vehicle dynamic parameters. The control sys... | 10/31/2006 |
| 7017327 | Hybrid electric tool carrier A hybrid utility vehicle includes a tool-supporting frame and an electrical power source driven by an engine. Right and left rear wheels independently driven by permanent magnet electric motors and front wheels electrically steerable over a range of approximately 18... | 03/28/2006 |
| 7011171 | Rugged terrain robot A rugged terrain robot (RTR) apparatus can function as a reconnaissance robot to optimize safety of search or rescue personnel. Remote control places the RTR in either a rolling mode or in a stair-climbing mode. Remote feedback is provided by an on-board RTR camera ... | 03/14/2006 |
| 7007571 | Hydrostatic transmission A hydrostatic transmission mountable to a vehicle frame. The hydrostatic transmission is adapted to removeably receive an axle shaft. The hydrostatic transmission is also adapted to be mounted to at least one of two opposed side members of the vehicle frame. The opp... | 03/07/2006 |
| 6948576 | Driving and transmission unit for use in rolling vehicles A driving unit for use with a rolling vehicle is provided containing a first and second motor mechanically coupled to two wheels via a transmission unit which is pivotable about the steering axis of the driving unit and adapted to establish a driving relationship be... | 09/27/2005 |
| 6923285 | Attachment control device The present invention provides an attachment for use with a power machine. An attachment control device includes a controller, such as a microprocessor, a microcontroller or other digital computer which senses the type of attachment and controls power to the attachm... | 08/02/2005 |
| 6923092 | Control mechanism for a hydraulic device A control mechanism for a transmission such as a hydrostatic transmission or transaxle which simplifies construction and enables the user to change the orientation of the transmission in a vehicle. A first linkage member is rotatably mounted on a support rod and has... | 08/02/2005 |
| 6782960 | Tracked vehicle A tracked vehicle with a drive system, which performs driving, braking, directional change, and steering functions as a function of corresponding control commands from an electronic control unit. According to the invention, at least one separate brake system, which ... | 08/31/2004 |
| 6454032 | Lawn tractor vehicle A lawn tractor vehicle having a front mounted engine and a drive and steer type of transmission having vehicle components supported by the vehicle frame in such a manner to establish a weight distribution between the front and rear pairs of wheels that al... | 09/24/2002 |
| 6425450 | Load-shifting vehicle A vehicle is driven by a central track assembly and differential speed steering wheels in flanking relation thereto.... | 07/30/2002 |
| 5850886 | Steering control device for vehicle having continuously variable transmission Left and right driven wheels are connected to a pair of continuously variable transmissions and independently driven. The driven wheels are increased or decreased in speed at the same rotational numbers by operation of a change lever so as to move a vehic... | 12/22/1998 |
| 5739657 | Apparatus for controlling motion of normal wheeled omni-directional vehicle and method thereof A controlling apparatus for representing the motion of a normal wheeled omni-directional vehicle (ODV) in a relative coordinate system, and for effectively controlling the ODV and a controlling method thereof. Drive wheels are connected to four corners of... | 04/14/1998 |
| 5719762 | Method of controlling a vehicle to make a combination of arbitrary translational and rotational motions A method of controlling a rotary vehicle to navigate a heading using a conation of translational and rotational motions by a plurality of driving-steering wheels controlling the motion in three degrees of freedom for a manned or unmanned vehicle having a... | 02/17/1998 |
| 5551524 | Remote control apparatus of a construction machine A remote control apparatus of a construction machine in which steering control is performed by hydraulically controlling the steering clutches and the steering brakes, comprises remote operating unit for generating a first steering command for turning on ... | 09/03/1996 |
| 5375674 | Operator control for lawn and garden vehicles A control for a lawn and garden vehicle, such control utilizing a "U" shaped main direction control pivotally mounted to the handlebars. The control being physically interconnected to a transmission such that movement of the direction control forward caus... | 12/27/1994 |
| 5186270 | Omnidirectional vehicle The invention provides controlled omnidirectional relative movement between a device and a selected surface in contact therewith. The device is preferably a vehicle having a first and second track mounted thereto, which tracks are parallel and spaced from... | 02/16/1993 |
| 5070954 | Mobile carriage A mobile carriage comprises wheels which are respectively rotatably provided through one-way clutches at each end of wheel shafts disposed at the front and rear of the carriage, the wheels at the front of the carriage in the moving direction thereof servi... | 12/10/1991 |
| 4771838 | Obedient self-powered slave vehicles An intelligent slave vehicle follows the movements of a master vehicle without imposing a requirement on the master vehicle to supply towing power for the slave vehicle, the slave vehicle being self powered and self controlling in dependence on movements ... | 09/20/1988 |
