Celebrity Inventors
Actress Jamie Lee Curtis is a patented inventor - she created a diaper equipped with a premoistened baby wipe. And that's no act!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8100422 | Central transmission device for a four-wheel steering system In a central transmission device of a four-wheel steering system, a turning output unit includes an output shaft extending rotatably through a rear wall of a housing for connection with a rear wheel turning mechanism, and a rotary disc coaxial and integral with a fr... | 01/24/2012 |
| 7383916 | All wheel steering with torque shaft linkage The entire right, title and interest in and to this application and all subject matter disclosed and/or claimed therein, including any and all divisions, continuations, reissues, etc., thereof are, effective as of the date of execution of this application, assigned,... | 06/10/2008 |
| 7357206 | Child's riding vehicle A battery retainer assembly (42) is provided for retaining a battery package (18) in a storage location (20) on a child's riding vehicle. The battery retainer assembly (42) comprises a clamp (44) and a separate locking tab (46 | 04/15/2008 |
| 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 |
| 7347434 | Four-wheel steering assembly A steering assembly for a vehicle includes a forward apparatus positioned toward the front of the vehicle and having a first front wheel assembly and a second front wheel assembly. The steering assembly includes a gear having teeth and being pivotable about a pivot ... | 03/25/2008 |
| 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 |
| 7168723 | Front wheel drive for toy vehicles Front wheel drive mechanism for toy vehicles in which supports are attached to the vehicle, with a drive bar being positioned between them, at each end of which is mounted a respective sub-assembly including a clasp and a cross link, of which two legs are fitted int... | 01/30/2007 |
| 7108096 | Vehicle control system with slow-in-turn capabilities and related method A control system with slow-in-turn capabilities for use with a self-propelled, steerable vehicle, such as a lawn mower, is disclosed. In one embodiment, the system slows the vehicle speed when turns are made beyond a predetermined range and the speed is at or above ... | 09/19/2006 |
| 7073620 | Vehicle steering system having a rear steering control mechanism The vehicle steering system includes front vehicle motive members, rear vehicle motive members, a steering input device, a front steering subsystem, a rear steering subsystem and a rear steering control mechanism. The front steering subsystem is operably coupled to ... | 07/11/2006 |
| 6968913 | Skid steer vehicle including steering actuators to simultaneously steer one side's wheels A skid steer vehicle includes a left side steering actuator that is coupled to left front and left rear drive wheels to steer the wheels with respect to the chassis, a right side steering actuator that is coupled to right front and right rear drive wheels to steer t... | 11/29/2005 |
| 6883815 | Fire-fighting vehicle An airport rescue fire-fighting vehicle comprising a support structure coupled to at least two wheel sets. The support structure has a front end and a back end with one wheel set coupled to the front end of the support structure and one wheel set coupled to the back... | 04/26/2005 |
| 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 |
| 6684974 | Four-wheel steering system for utility vehicle A four-wheel steering system includes a frame that carries an axle that rotationally mounts a pair of front wheels via a pair of front pivotal wheel support assemblies. For steering, the front pivotal wheel assemblies are pivotal with respect to the axle.... | 02/03/2004 |
| 6619680 | Agricultural wagon having all-wheel steering A wagon for agricultural use having an all-wheel steering mechanism. The wheels are hingedly attached to their respective axles. Steering alignment of the front wheels is provided by the wagon tongue, which is pivotally connected to the wagon frame and at... | 09/16/2003 |
| 6267198 | Offset kingpin for a rear steering axle on an agricultural combine The invention consists of an offset kingpin in the rear steering axle of a self-propelled combine harvester. Attached to the rear axle is a knuckle. The kingpin is pivotally attached to the knuckle and the spindle is rotationally attached to the knuckle. ... | 07/31/2001 |
| 6231060 | Vehicle with controlled running wheels The vehicle with controlled running wheels according to this invention comprises a steering system with a reference-unit element and units for matching of wheels turn angles. Each of the matching units incorporates a tracer pin and guide slot. The number ... | 05/15/2001 |
| 6186266 | Steerable tag axle system A steering system (11) reduces the steering radius and minimizes tire scuffing is used with vehicles which include a front steering assembly having first and second wheels (20a, 20b) and a tag axle steering assembly having third and fourth wheels (21a, 21... | 02/13/2001 |
| 6131689 | All-wheel-steer biasing mechanism An all-wheel-steer biasing mechanism having a torsion biasing spring which engages a rear wheel pivot plate between the rear wheel tie rods for biasing the rear wheel steering linkage back to a position corresponding to straight forward travel.... | 10/17/2000 |
| 6129495 | Wheeled carriage for transporting prefab homes and the like A tandem wheeled carriage of heavy, very strong steel construction capable of lifting 5 to 30 or more tons of load and transporting the same over difficult roadways, wherein a laterally spaced pair of lift devices is provided on the carriage and adapted t... | 10/10/2000 |
| 6125963 | Rear axle steering device Rear wheel steering device with two spaced apart positioned steerable wheels (2A, 2B) wherein each of the wheels (2A, 2B) are coupled fixed against rotation with a rotatably mounted steering element (4A, 4B) exhibiting an at least segment-wise curved circ... | 10/03/2000 |
| 6105982 | Children's ride-on vehicle with four-wheel steering A children's ride-on vehicle is provided with a chassis having a seat configured to accommodate a driver. The chassis includes a generally vertical, cylindrical channel extending therethrough. A handlebar is disposed in front of the seat and is operable b... | 08/22/2000 |
| 6056081 | Mechanical front wheel drive axle for improved steering A steerable drive axle for improved steering is provided. The steerable drive axle includes a drive shaft housing and at least one axle shaft. A portion of the axle shaft is rotatably supported by a bearing in the drive shaft housing. The drive shaft hous... | 05/02/2000 |
| 5954774 | Method for controlling rear wheel steering angle of a vehicular 4-wheel steering system Disclosed is a method for controlling a rear wheel angle of a four-wheel steering system for a vehicle, including the steps of: setting a control cycle of an actuator; dividing the control cycle into an accelerating section, a uniform velocity section, an... | 09/21/1999 |
| 5862874 | Steering mechanism for short wheelbased four-wheeled vehicles A steering mechanism for a wheelchair which minimizes the turning radius of the wheelchair providing good maneuverability while also minimizing the misalignment of each of the wheels. The steering mechanism substantially comprises a flat plate defining ca... | 01/26/1999 |
| 5823284 | Utility vehicle A vehicle having a hydrostatic drive and transmission having multi-range speed modes, a counter configured steering assembly providing for a turning radius less than would normally be commensurate with the length of the wheel base, and a suspension system... | 10/20/1998 |
| 5752578 | Control apparatus A steering control apparatus is disclosed for a first and second pair of wheel assemblies that are mounted for rotation with respect to a first and second axle. Selective rotation of the respective wheel assemblies is controlled by a plurality of actuator... | 05/19/1998 |
| 5752710 | Parallel-aligned all-wheel steered vehicle III An all-wheel steered vehicle in which all wheels are always parallel and have an equal role in steering the vehicle. It consists of a plurality of wheel assemblies capable of wheel rotation about the wheel's (10) axis. The shaft (14) of each wheel assembl... | 05/19/1998 |
| 5754966 | Method and apparatus for steering rear wheel for four wheel steering vehicle A rear wheel steer control method and apparatus for a four wheel steer vehicle executes an opposite phase steer control on the basis of detected values of a front wheel steer angle sensor and a vehicle speed sensor during a low vehicle speed. The opposite... | 05/19/1998 |
| 5727644 | Parallel-aligned all-wheel steered vehicle II An all-wheel steered vehicle in which all wheels are always parallel and have an equal role in steering the vehicle. It consists of a plurality of wheel assemblies capable of wheel rotation about the wheel's axis. The shaft of each wheel assembly (14) pas... | 03/17/1998 |
| 5704623 | Mobile camera crane base A mobile base for supporting a camera crane arm includes a chassis having front and rear pairs of wheels. Front and rear steering angle compensators are linked respectively to the front and rear wheel pairs. The compensators are pivotally mounted to the c... | 01/06/1998 |
| 5648903 | Four wheel steering control utilizing front/rear tire longitudinal slip difference A four wheel steering strategy determines when the rear tire longitudinal slip becomes greater than the front tire longitudinal slip, either due to braking or acceleration, such that the rear tire slip angles must be increased to maintain vehicle balance ... | 07/15/1997 |
| 5642281 | Steering angle control apparatus A steering angle control apparatus for controlling steering angles of front wheels and rear wheels of a vehicle includes a yaw rate detector for detecting an actual yaw rate of the vehicle. A desired yaw rate calculator estimates a desired yaw rate for ca... | 06/24/1997 |
| 5627754 | Method for controlling a front and rear wheel steering vehicle To the end of ensuring a brisk maneuverability of a front and rear wheel steering vehicle without causing any unstable behavior of the vehicle, the rear wheels are steered in an opposite phase relationship to the front wheels to offset an under-steer tend... | 05/06/1997 |
| 5576956 | Auxiliary steering angle control system for vehicle An auxiliary steering angle control system for a vehicle comprises a vehicle condition detecting section for detecting a vehicle condition, a desired motion variable calculating section for calculating a desired value of the motion variable actually gener... | 11/19/1996 |
| 5560640 | Rear suspension for a four-wheel steering system A rear suspension for a four-wheel steering system, has a wheel carrier for rotatably supporting a wheel. There is a subframe mounted on a lower portion of a vehicle body with a plurality of links for connecting the subframe to the wheel carrier. Also inc... | 10/01/1996 |
| 5531466 | Vehicle having a four-wheel steering device A four-wheel steering vehicle having a body frame, front and rear wheels steerable by a steering wheel, and a connecting mechanism for transmitting movement of the steering wheel to the front and wheels. The connecting mechanism includes a pitman arm over... | 07/02/1996 |
| 5526895 | Rear wheel self-steering system for vehicle The present invention relates a rear wheel self-steering system for a vehicle which can minimize a turning radius of a vehicle and a tire wear by independently steering the rear wheel during cornering. The system includes a side frame, a first spring moun... | 06/18/1996 |
| 5383529 | Gear train arrangement of rear wheel steering system for motor vehicle A gear train of a rear wheel steering arrangement for an automotive vehicle includes a worm gear which is driven by a motor to steer rear wheels. The worm gear is designed to exhibit a reverse rotation efficiency more than zero so that when reverse torque... | 01/24/1995 |
| 5381705 | Rear wheel steering apparatus for four-wheel steering vehicle A crank spindle formed with an eccentric pin at one end thereof is pivotally supported by bearings within a casing. The crank spindle is driven by a motor and a worm mechanism. A cross pin member formed with an upper axle and a lower axle is pivotally fit... | 01/17/1995 |
| 5289892 | Steerable trailer and steering apparatus of combination vehicle A steerable trailer is described which includes a coupling detector for detecting a coupling angle, a trailer wheel steering angle detector for detecting a trailer wheel steering angle, and actuators for steering the trailer wheels. A controller is provid... | 03/01/1994 |
