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| Number | Title | Issue Date |
| 8152183 | Steering system for a zero-turn radius vehicle A steering apparatus for a zero-turn radius vehicle using a steering mechanism coupled to a first set of wheel assemblies by a plurality of cables. User input to the steering mechanism causes the cables to turn the first set of wheel assemblies about a vertical axis... | 04/10/2012 |
| 8011678 | Steering system for a zero-turn radius vehicle A steering apparatus for a zero-turn radius vehicle using a steering mechanism coupled to a first set of wheel assemblies by a plurality of cables. User input to the steering mechanism causes the cables to turn the first set of wheel assemblies about a vertical axis... | 09/06/2011 |
| 7731209 | Tractor The present invention realizes a common use of left and right gear casings aims thus reducing a manufacturing cost by an amount corresponding to the common use of the left and right gear casings. According to the present invention, in a tractor in which a front axle... | 06/08/2010 |
| 7331590 | Commercial vehicle suspension assembly This invention relates to a commercial vehicle suspension assembly that includes an axle, a rack and pinion steering assembly, and a pivot mount assembly for connecting the rack and pinion steering assembly to the axle of the vehicle. The pivot mount assembly contro... | 02/19/2008 |
| 7121377 | Dual shaft rack and pinion steering assembly A dual shaft rack and pinion steering assembly for a vehicle includes a housing mounted to the vehicle and containing first and second parallel shafts linked to one another for synchronized axial movement. The first and second shafts are slidably positioned within t... | 10/17/2006 |
| 7073613 | Motorized vehicle A motorized vehicle has a vehicle body, at least a pair of wheels mounted on the vehicle body for undergoing rotation to cause the motorized vehicle to undergo travelling, and a pair of electric motors each mounted on the vehicle body to selectively undergo forward ... | 07/11/2006 |
| 6921109 | Device providing variable steering responsiveness The present invention relates to a steering linkage device which transmits a user's input motion to at least one wheel of a vehicle, wherein the steering linkage device produces an output motion of a particular magnitude. The ratio of the magnitude of the input moti... | 07/26/2005 |
| 6904985 | Transmission control device for vehicles and steering assembly for vehicles A transmission control device which receives steering inputs and speed inputs, and produces an input for a steer transmission and an input for a drive transmission in order to control the direction and speed of a vehicle. The transmission control device, coupled to ... | 06/14/2005 |
| 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 |
| 6675925 | Working vehicle A steering apparatus for a working vehicle is provided which is capable of steering dirigible wheels by increased steering angles while checking sideways sliding of the wheels on the ground. For this purpose, a pair of right and left intermediate cases ar... | 01/13/2004 |
| 6554298 | Steerable load-carrying assemblies A moveable load-carrying assembly including a chassis (1) having a plurality of wheels (6) arranged as a first wheel set and a second wheel set, each wheel (6) being rotatable and swivellable relative to the chassis (1); the wheels (6) of the first wheel ... | 04/29/2003 |
| 6520642 | Camera dolly A camera dolly has a steering unit which provides conventional, crab, and round steering modes, selected by the operator via use of a single steering/shifting handle. The steering unit includes first and second transmissions and a differential. Chains lin... | 02/18/2003 |
| 6505359 | Stretcher center wheel mechanism A stretcher for transporting a patient along a floor includes an elongated frame, a patient-support deck carried by the frame, and an elongated shaft having a longitudinally-extending axis of rotation. The shaft is coupled to the frame for rotation about ... | 01/14/2003 |
| 6464030 | Three wheel steering assembly A vehicle has a chassis with at least one front wheel pivotable about a first vertical axis to control the direction of the vehicle. A rigid swing arm is pivotally mounted on the rear end of the chassis for pivoting about a horizontal axis. On the rear en... | 10/15/2002 |
| 6406065 | Rotary joint for alternating media The present invention relates to a rotary joint for alternating passage of a lubricating medium and a non-lubricating medium from a stationary (3) to a rotating machine part (1), having a first seal (7) in the form of two flat, substantially circular ring... | 06/18/2002 |
| 6325396 | Steering assembly A vehicle steering assembly includes steerable wheels mounted on half fork members which are pivotally coupled the outer ends of an axle member. A rack and pinion assembly is attached to the axle member and has an input shaft coupled to a steering wheel, ... | 12/04/2001 |
| 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 |
| 6299187 | Steering assembly for means of transport A steering assembly for means of transport comprises at least one truck supported by a supporting structure which is rigidly coupled to the means of transport and has, in an upward region, a central center bearing for the coupling of at least one axle so ... | 10/09/2001 |
| 6286165 | Stretcher center wheel mechanism A stretcher for transporting a patient along a floor includes an elongated frame, a patient-support deck carried by the frame, and an elongated shaft having a longitudinally-extending axis of rotation. The shaft is coupled to the frame for rotation about ... | 09/11/2001 |
| 6257357 | Steering device for drive and steer transmission A steering linkage coupled with a drive and steer transmission allows a steering wheel to be turned a maximum of between ninety and one-hundred-eighty degrees from a neutral straight forward position, and is adjustable for altering the maximum degree to w... | 07/10/2001 |
| 6240579 | Unitary pedal control of brake and fifth wheel deployment via side and end articulation with additional unitary pedal control of height of patient support A wheeled carriage for supporting a patient in a substantially horizontal position, which wheeled carriage has thereon a patient support having head and foot regions and a pair of lateral side regions and a wheeled base supported at least by three floor s... | 06/05/2001 |
| 6220384 | Vehicle for handling various materials or operating units in sheds, airports, and markets Vehicle for handling various material such as nodes, ladles or operating units in rooms wherein a wide maneuver capacity is required in narrow spaces and/or in the presence of obstacles, impediments, such as industrial sheds, airports, areas for heavy mea... | 04/24/2001 |
| 6135465 | Camera dolly A camera dolly has a steering unit which provides conventional, crab, and round steering modes, selected by the operator via use of a single steering/shifting handle. The steering unit includes first and second transmissions and a differential. Chains lin... | 10/24/2000 |
| 6109626 | Camera dolly A camera dolly has a steering unit which provides conventional, crab, and round steering modes, selected by the operator via use of a single steering/shifting handle. The steering unit includes first and second transmissions and a differential. Chains lin... | 08/29/2000 |
| 6079510 | Turn assisting mechanism for a vehicle A turn assisting mechanism assists a turning motion of a vehicle, such as a lawn mowing vehicle, so that the vehicle may not damage the ground (lawn grass, crops, etc.) when the vehicle makes a U-turn. The turn assisting mechanism is disposed near a wheel... | 06/27/2000 |
| 5987671 | Stretcher center wheel mechanism A stretcher for transporting a patient along a floor includes an elongated frame, a patient-support deck carried by the frame, and an elongated shaft having a longitudinally-extending axis of rotation. The shaft is coupled to the frame for rotation about ... | 11/23/1999 |
| 5964308 | Turn assisting mechanism for a vehicle A turn assisting mechanism assists a turning motion of a vehicle, such as a lawn mowing vehicle, so that the vehicle may not damage the ground (lawn grass, crops, etc.) when the vehicle makes a U-turn. The turn assisting mechanism is disposed near a wheel... | 10/12/1999 |
| 5957497 | Steering device in a riding mower A device for steering a wheel assembly in a riding mower has a steering sprocket nonrotatably connected to a rotatable steering column and a transmission chain which is flexible in the plane of the steering sprocket and extends over the steering sprocket ... | 09/28/1999 |
| 5722504 | Four-wheeled lift truck The four-wheeled lift truck has a tight turning radius and improved stability, and is of the type having front wheels with independent powerplants. The rear turning wheels are mounted below the stems of respective hydraulic jacks that have vertical axes a... | 03/03/1998 |
| 5547038 | Wheeled chassis having independently pivotable drivewheels for omnidirectional motion A wheeled chassis having separately and independently pivotable drivewheels for omnidirectional motion, including a frame preferably defining at least three comers; first and second drivewheels, each of which is connected by a kingpin to the frame and pre... | 08/20/1996 |
| 5479999 | Powered, automatic, self-tracking system for the rear axles of trucks, trailers and buses An automatic powered, self-tracking system for the rear axles of large vehicles which experience difficulty in cornering manueverability. A motion sensing device is placed in proximity to a steering component of the vehicle and is operable to sense and di... | 01/02/1996 |
| 5409263 | Articulated toy dump truck An articulated toy vehicle operable by a child includes a cab and a trailer pivotally connected to the cab. A pair of non-steerable front wheels are mounted to the cab to be driven by pedals. A pair of back wheels are mounted to the trailer. A steering me... | 04/25/1995 |
| 5392872 | Axle assembly and configuration An axle assembly and configuration of axle assemblies for a mobile vehicle. The axle assembly includes a fixed axle fastened to the frame of the vehicle so that the axle maintains a fixed orientation with respect to the vehicle frame. A steerable spindle ... | 02/28/1995 |
| 5390945 | Low-speed maneuverability enhancement for long single-unit vehicles An elongated single-unit vehicle having a steering system that provides increased vehicle maneuverability at slow speeds. The vehicle has a front steering axle connected to steerable front wheel assemblies, an auxiliary steering axle connected to steerabl... | 02/21/1995 |
| 5364114 | Vehicle steering and suspension system A steering and suspension mechanism for use with a vehicle (1) and including a steering gear (14) interconnected to a steering wheel (8) through a series of universal joints (10, 11, 12, 13, 87). An output of the steering gear (14) is connected to a Pitma... | 11/15/1994 |
| 5312123 | Compound steer conversion apparatus A compound steering lock-out apparatus to be selectively used with a vehicle equipped with a compound steering mechanism in which the front steerable axle is pivotally connected to the vehicle chassis and a pair of tie rods extend between the pivotable wh... | 05/17/1994 |
| 5259659 | Opening/closing apparatus of canvas for load transport vehicle An opening/closing apparatus of a canvas for a load transport vehicle is provided, which does not require a large working space. The apparatus has support posts raised at least at the front and tail ends of the rear body of the load transport vehicle and ... | 11/09/1993 |
| 5240286 | Agricultural tank wagon An agricultural tank wagon is provided for attachment to a tow vehicle. The tank wagon comprises front running gear, rear running gear, a first coupling assembly pivotably coupling the rear running gear to the front running gear, a wagon tongue for attach... | 08/31/1993 |
| 5207443 | Multiple axle trailers A multiple axle trailer comprises a chassis pivotally connected to turn substantially horizontally with respect to a sub-chassis and provided with means at its forward end to enable the trailer to be hitched to a towing vehicle, the sub-chassis carrying f... | 05/04/1993 |
| 5140720 | Reciprocal attitude-angle self-differentiating device for pivotable wheels of handtrucks Reciprocal attitude angle self-differentiating device (10) for pivotable wheels (11,12;110) of handtrucks, each of the wheels (11,12;110) being respectively rotatably mounted about a substantially horizontal axis (22,23;220) belonging to a wheel supportin... | 08/25/1992 |
