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| Number | Title | Issue Date |
| 7950479 | High efficiency vehicle Here is invented an efficient road vehicles having special aerodynamic shapes, with stabilizing devices that enable aerodynamic efficiency. It is an articulated vehicle that is tall and narrow. It includes a carriage part that encloses a driver and passenger riding ... | 05/31/2011 |
| 7726423 | Driven steer carriage A vehicle having a main chassis (3) and a power source (4) for driving the vehicle, a drivable steer carriage (1) pivotally supporting the main chassis (3) about an at least substantially upright pivotal axis (2), the carriage incl... | 06/01/2010 |
| 7331548 | Control linkage for T-tail aircraft elevator surfaces Systems and methods for implementing control linkages that may be employed to produce synchronous motion in two adjacent controlled devices controlled by a common input. In one example implementation, a semi-rigid modified constant velocity (CV) joint control linkag... | 02/19/2008 |
| 7290628 | Personal transport vehicle system and method In a system and method for enabling a person to be transported in a personal transport vehicle, the vehicle includes smoothly operable controls and a safety user-positioning strip. The vehicle further includes a power source rapid disconnection and connection system... | 11/06/2007 |
| 7256559 | Walking structure of object This invention is a “four-direction moving” structure that can move in all four directions without turning first. It contains two groups of wheels that are arranged perpendicular to one another, i.e. four rows of wheels form a quadrate. Within each group, the wh... | 08/14/2007 |
| 7213855 | Hearse assembly A hearse assembly includes a support frame that has a substantially rectangular shape and has a forward end and rearward end. A tricycle frame includes a motor and has a back portion and a front portion. The back portion is integrally coupled to the forward end. A s... | 05/08/2007 |
| 7159903 | Steering mechanism for power cycle A steering mechanism is mainly comprised of an upper and a lower axle seat, in which the upper axle seat and the lower axle seat are provided for receiving an upper axle and a lower axle respectively. The upper and the lower seats are combined together by pivotally ... | 01/09/2007 |
| 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 |
| 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 |
| 7090042 | Floating drive for vehicle A vehicle having a load frame with wheels, a drive frame, a drive wheel, a non-driven rigid castor wheel, and a pivot link assembly. The drive wheel and non-driven rigid castor wheel are each fixed to move with the drive frame. The pivot link assembly couples the dr... | 08/15/2006 |
| 7051832 | Material handling vehicle with dual control handles A material handling vehicle includes first and second control handles positioned at opposing ends of an operator compartment. The first control handle is positioned adjacent the forks for driving the vehicle in a fore or forks first direction, and the second control... | 05/30/2006 |
| 7040428 | Chassis structure for a forest machine The invention relates to a chassis structure for a working machine moving on a terrain, the chassis structure comprising a pair of front wheels and a pair of rear wheels supporting the frame, and a controlled frame joint between the frame parts, when the frame is co... | 05/09/2006 |
| 7017688 | Independent suspension for multi-use vehicle A half-track vehicle includes a frame, first and second beams having forward and rearward wheels attached thereto, and first and second suspension systems. The frame includes a first side and a second side, and the first suspension system suspends the first beam fro... | 03/28/2006 |
| 7004270 | Suspension apparatus of multi-axle vehicle A suspension apparatus of a multi-axle vehicle capable of realizing high traveling stability is provided. For this purpose, the suspension apparatus forms a quadric link structure (31) by a vehicle body (9), a front link (21) with an upper end p... | 02/28/2006 |
| 6932173 | Steered vehicle The steered vehicle, which may be a road vehicle or a vehicle devised to be usable upon road surfaces and also upon a rail line, has road wheels or a combination of road and rail wheels as required. The wheels are mounted upon a bogie pivoted about a generally verti... | 08/23/2005 |
| 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 |
| 6877573 | Multi-wheel-driving vehicle A multi-wheel-driving vehicle including at least three parallel axles each of which is provided on both ends thereof with respective drive wheels and including power dividing means for permitting the rotary speed among the axles, is improved in its effect of braking... | 04/12/2005 |
| 6763906 | Rear wheel steering device A rear part of a vehicle body is supported by a rear-front axle (18) and a rear-rear axle (20), and right and left rear-front wheels (17) rotatably mounted at opposite ends of the rear-front axle (18) are constituted so as to be steered b... | 07/20/2004 |
| 6508330 | Rotating oleodynamic distribution system for the steering of rear axles of vehicles A hydraulic power steering system for steering rear axles of vehicles comprises a distribution system (10) coupled to a wheel of the rear axle. The distribution system (10) has a core (12) encased in a casing (11) and rotatable to distribute pressurised f... | 01/21/2003 |
| 6371499 | Latch assembly arrangement for tag axle An auxiliary axle system for a work vehicle is disclosed including a pair of spaced arms pivotally mounted to the vehicle, at least one tag axle and wheel and a cross member and a latch pin carried on one arm. An operating system for moving the auxiliary ... | 04/16/2002 |
| 6247196 | Bogie construction A bogie construction includes at least two stiff axles interconnected by a rocking lever. The rocking lever is pivoted in its middle so that it can move in its longitudinal direction as a result of steering movements. The rocking lever is preferably conne... | 06/19/2001 |
| 6059056 | Steering system for a multiple-axle vehicle A steering system for a multiple-axle vehicle includes a front axle steering arrangement steering at least one pair of front wheels connected to at least one front axle, a middle axle steering arrangement steering at least one pair of middle wheels connec... | 05/09/2000 |
| 5839527 | Multi-axle steering system for vehicles A multi-axle steering system which is intended for vehicles has a steering gear (4) for a first steering axle (1) and hydrostatic steering for a second steering axle (2). A master cylinder (11) is disposed on the first steering axle (1) and a slave cylind... | 11/24/1998 |
| 5813682 | Method for equalizing the load onto the rear wheels of a truck trailer with a trailer slider stop pin A method of adjusting wheel loading in a trailer having a trailer body with apertured channel members on the bottom, a wheel bogie having a braking mechanism and a pair of apertured channel members on the top thereof which engage the channel members of th... | 09/29/1998 |
| 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 |
| 5509688 | Vehicle weight transfer subframe A weight transfer subframe for a tandem steer tractor having a tractor frame has a longitudinal subframe member having forward and rearward ends, the longitudinal subframe member pivotally mounted at the rearward end to the tractor frame and the forward e... | 04/23/1996 |
| 5501288 | Remote steering of on-highway motor vehicles An extended motor vehicle having steerable wheels at the front and rear ends of the vehicle, and fixed wheels near the middle of the vehicle. The steerable wheels at the rear of the vehicle are forcibly and remotely steered in accordance with the orientat... | 03/26/1996 |
| 5492351 | Axle construction for a vehicle An axle construction for a vehicle has a rigid axle and wheels mounted at opposite ends of the rigid axle. Supports respectively at the opposite ends of the rigid axle respectively support opposite sides of a chassis frame of the vehicle from the rigid ax... | 02/20/1996 |
| 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 |
| 5477937 | Steerable trailer The present invention relates to steering arrangements for trailers and particularly to a four wheel dolly system wherein a pair of wheels on one side of the dolly can move vertically with respect to each other to maintain constant ground contact even whi... | 12/26/1995 |
| 5430650 | Method and apparatus for rear-wheel steering control A rear-wheel steering control apparatus includes a controller, which performs a first-order lag process. This process is equivalent to a first-order lag transfer function and is represented by a time constant matching loadage data from a rear-wheel stroke... | 07/04/1995 |
| 5417299 | All-wheel steering systems 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... | 05/23/1995 |
| 5403145 | Street legal, mobile, truck mounted tube bundle pulling apparatus The invention relates to a street legal mobile mounted tube bundle pulling apparatus which is moveable from a lifting position to a travelling position. A longitudinal track is attached to the bed of the vehicle. A sled which is contiguous with said track... | 04/04/1995 |
| 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 |
| 5366035 | Rear wheel steering device and method for rear wheel steering A rear wheel steering device is provided in a vehicle with a simple structure in which rear wheels are supported at both end portions of a rear axle housing along a width direction of a chassis in order to drive the vehicle more stably at high speeds. The... | 11/22/1994 |
| 5346233 | Slider for adjusting the position of the dual axles of a semi-trailer An slider for adjusting the weight distribution of a semi-trailer. The slider comprises an apertured track which extends longitudinally along the bottom of a trailer and a dual axle carriage slidably coupled to the track. A pneumatically operated pin is a... | 09/13/1994 |
| 5308105 | Steerable dual rear axle system for large vehicles A steerable dual rear axle system for large vehicles in which the vehicle has a frame, and the axle system includes a forward axle housing, a draft arm having one arm affixed to the forward axle housing and the other pivotally affixed to the vehicle frame... | 05/03/1994 |
| 5305844 | Remote steering of on-highway vehicles Motor vehicles in which steerable wheels aft of the front wheels are steered by the same steering wheel which steers the front wheels. In one aspect the present invention provides an extended motor vehicle thus steered, and in a second aspect a tractor-tr... | 04/26/1994 |
| 5255754 | Axle construction for a commercial vehicle An axle or boggie construction for a commercial vehicle has a triangular support (4) and an axle (1) made turnable by means of positionally adjustable longitudinal supports (16, 17). To stabilize the operation of the turninq axle (1), the springs (5, 6) o... | 10/26/1993 |
