Quotables
"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
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 |
| 7857085 | Off road vehicle The invention describes vehicles where the steering effect of the driver-selected wheel angles is made identical to the steering effect of positively and independently driving the driven wheels. Means of delivering most of the power to each of the driven whee... | 12/28/2010 |
| 7464785 | Off road vehicle The invention describes vehicles where the steering effect of the driver-selected wheel angles is made identical to the steering effect of positively and independently driving the driven wheels. A method of compensating for the linear portions of the slip angles of ... | 12/16/2008 |
| 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 |
| 7347294 | Power system for electrically powered land vehicle The power system for an electrically powered land vehicle extracts electrons from ambient air to generate adequate electrical power to operate the land vehicle electrical energy production and propulsion system. The extracted electrons generate enough electrical pow... | 03/25/2008 |
| 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 |
| 7311172 | Straddle carrier with power steering A steering system for a straddle carrier includes two side supports with steerable wheels, braces, a hoisting gear, an an upper frame. An operator's cab having a steering wheel is disposed at the upper frame. A servo motor with an inverter is mounted in operative co... | 12/25/2007 |
| 7266936 | Agricultural bagger with shielded hopper agitation and method An agricultural bagger apparatus and method for compacting feed into a horizontally deployed bag including a moving hopper wall and+ mechanism for moving the wall at an input end of hopper. The wall moving mechanism and the moving wall of the hopper sweeps the feed ... | 09/11/2007 |
| 7255185 | Driver of electric automobile There is provided a driving device of an electric car, exactly selecting drive wheels of the electric car in accordance with road circumstances. In the electric car having four or more wheels, all wheels (1 to 4) have driving motors (5 to 8 | 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 |
| 7213679 | Driver selectable steering ratios A steering system (10) for a vehicle including a steerable wheel (12) defining a steering angle (20), a powered actuator (14) controlling the steering angle (20) and a steering wheel (16) providing a driver input control ang... | 05/08/2007 |
| 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 |
| 7114591 | Steering system for working truck One of the mode lamps 38a, 38b and 38c of the mode indicator 38 corresponding to the current steering mode is turned on yellow and the other mode lamps are turned on green or turned off, thereby indicating whether fro... | 10/03/2006 |
| 7073822 | Flexible cable lever arm steering system apparatus and method A steering suspension system utilizing a flexible push/pull cable attached from an operator input mechanism across a suspension system to a wheel steering mechanism. An operator input mechanism is located within a land vehicle structure supported by a wheel. A suspe... | 07/11/2006 |
| 7051833 | Gantry axle In a gantry axle for low-platform vehicles, the gantry transmission consists of one input spur gear (2) operatively connected with a first intermediate spur gear (3) non-rotatably connected with a second intermediate spur gear (4) operatively co... | 05/30/2006 |
| 6913102 | Working vehicle with traversing system A working vehicle with a traversing system wherein a front wheel is installed on a swing member rotatable about a vertical axis relative to a body and including a rotating cylinder for rotating the swing member. The entire part of the front wheel is formed compact i... | 07/05/2005 |
| 6911340 | Method and means for composting organic material by natural draft A method and means for drawing air through material by natural draft wherein air is drawn into one end of a container having the material therein and is sucked from the other end thereof by a wind powered rotary turbine ventilator. ... | 06/28/2005 |
| 6907714 | Bagging machine having a collapsible tunnel An agricultural bagging machine comprising a wheeled frame having a collapsible tunnel positioned at the rearward end thereof. The tunnel may be positioned in its operative position for bagging purposes but may be collapsed to reduce the width thereof for transport ... | 06/21/2005 |
| 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 |
| 6653746 | Electronic device for selecting and controlling the steering modes of vehicles, in particular industrial vehicles with four steering wheels An electronic device for selecting and controlling the steering modes of vehicles, in particular industrial vehicles, comprising an electronic control unit (30), which receives two input signals (S3, S4) from two magnetic sensors (34, 36), which are place... | 11/25/2003 |
| 6557658 | Forklift having transverse travel system During ordinary travel, a direction change cylinder (51) is actuated by an orbit roll (58) by turning a steering wheel (16) right and left, so that the rear wheels (4) can be turned for direction change in response to the operation of the steering wheel. ... | 05/06/2003 |
| 6523632 | Vehicle equipped with turning mechanism A vehicle capable of turning a vehicle body with a relatively small turning radius and with a good operability in a turning operation. One of front and rear pairs of left and right wheels, to which a running torque produced by a vehicle driving source is ... | 02/25/2003 |
| 6491127 | Powered caster wheel module for use on omnidirectional drive systems A drive system base or platform, such as for a mobile robot, is disclosed having multiple caster wheels, each wheel having its own first motor for independent driving and its own second motor for independent steering. Each wheel is rotably and pivotably m... | 12/10/2002 |
| 6425452 | Control system for all-wheel drive vehicle A drive system for all-wheel drive vehicles is provided having separate front and rear transaxles powered by a single engine through a power transfer system. The transaxles each include a hydrostatic transmission and an axle, the hydrostatic gearing syste... | 07/30/2002 |
| 6206127 | Lead wheel steering system for a gantry crane A steering apparatus and method are provided for a gantry crane with four corner-mounted wheel assemblies having steerable wheels. The crane is a type which drivable in either longitudinal or transverse directions, wherein steering control is automaticall... | 03/27/2001 |
| 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 |
| 5554969 | Diagnosing apparatus and method for detecting failure in sensor applicable to motor-driven vehicular rear road wheel steering system A diagnosing apparatus and method for determining an occurrence of failure in a rear road wheel steering angle sensor of a motor-driven four wheel steering system of an automotive vehicle which can achieve a highly accurate detection of the occurrence of ... | 09/10/1996 |
| 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 |
| 5488555 | Method and apparatus for four wheel steering control Method, for use in a vehicle including a four wheel steering system and an electronic control unit having memory, of controlling the four wheel steering system while at least one of the wheels is under a torque load such that the vehicle behaves like a fr... | 01/30/1996 |
| 5295554 | Steering system for an agricultural bagging machine An agricultural bagging machine including a wheeled frame having at least first and second wheels provided at the forward end thereof and at least third and fourth wheels provided at the rearward end thereof. First, second, third and fourth hydraulic cyli... | 03/22/1994 |
| 5213143 | Steering and propulsion mechanism for agricultural field vehicle A field crop collection vehicle provides improved crop collection and storage. The vehicle steers through mutually orthogonal directions of travel and includes forward and reverse propulsion for accurate, quick and convenient field positioning in preparat... | 05/25/1993 |
| 5154437 | Vehicle steering system with independent steering for each wheel In a steering mechanism wherein the turning angle of a steering wheel is transmitted to a wheel via a link mechanism employing a tire rod (3) and a knuckle arm (4), the link mechanism and the wheel (1) are coupled by a multiplying gear (2). Individual dri... | 10/13/1992 |
| 5090512 | Four-wheel coordinated steering multi-purpose tractor A four-wheel mobile vehicle including provision for controlling the steering position of each of the four (4) wheels so that every wheel's rolling axis will intersect at a common point around which the vehicle will turn. The control is provided by a pair ... | 02/25/1992 |
| 5010971 | Steering system for vehicles A steering system (1) for vehicles including a front wheel steering mechanism (1a) for steering front wheels (5) at an angle in accordance with a steering operation of a driver, and a rear wheel steering mechanism (1b) for steering rear wheels (11) at an ... | 04/30/1991 |
| 4999003 | Apparatus for steering front and rear wheels of a motor vehicle A front and rear wheel steering apparatus in a motor vehicle includes a front wheel steering mechanism and a rear wheel steering mechanism which are operatively coupled to front wheels and rear wheels rotatably supported on a vehicle frame for transmittin... | 03/12/1991 |
| 4977733 | Four wheel steering tractor having a mid-mount mower A four wheel steering tractor comprising a grass cutting system vertically movably mounted in a lower space of the tractor between front and rear wheels. The grass cutting system carries gauge wheels disposed at opposite lateral sides in rear regions ther... | 12/18/1990 |
| 4957183 | 4-wheel coordinated steering multi-purpose tractor A 4-wheel mobile vehicle including provision for controlling the steering position of each of the four (4) wheels so that every wheel's rolling axis will intersect at a common central point around which the vehicle will turn. The control is provided by a ... | 09/18/1990 |
| 4823899 | Steering apparatus A steering system for vehicles operative in a number of modes, requiring a narrow wheelbase for travelling on highways, and a wide wheelbase for performing tasks, typically agricultural. The steering system enables each of the wheels connected with such a... | 04/25/1989 |
| 4823895 | Three wheeled vehicle with combined power transmission and steering system A three wheeled vehicle having a pair of powered main wheels the speed of which is controlled in an independent manner for vehicle speed changes and turning. A caster wheel is carried by a suspension member which is manually adjustable relative the vehicl... | 04/25/1989 |
| 4813694 | Rear wheel steering drive mechanism A rear wheel steering driving mechanism is provided for a vehicle having a front wheel steering system and a rear wheel steering system. The drive mechanism includes an input shaft adapted to be operatively connected to the front wheel steering system for... | 03/21/1989 |
| 4790399 | Steering mechanism for a zero turning radius vehicle A driving and steering mechanism for a vehicle having a pair of driving wheels includes a steering wheel rotatably mounted to the vehicle and an accelerator foot pedal pivotably mounted to the vehicle. Transmissions associated with the driving wheels incl... | 12/13/1988 |
