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Class 280/423.1 - Semitrailer


Subclass of Class 280 - Land vehicles
Definition: Vehicles in which there is provided a tractor capable of
No. of patents: 129
Last issue date: 05/01/2012


1        
NumberTitleIssue Date
8167329Fifth-wheel trailer with an adjustable floor and a method for its use
A fifth-wheel trailer having a forward section comprising an adjustable-height floor. The floor being capable of moving up to a raised position to provide sufficient clearance for a towing vehicle to attach to the trailer for towing. The floor also being capable of ...
05/01/2012
7950685Method and apparatus for transitioning a heavy equipment hauling rear loading trailer between transport and loading positions
A rear loading lowboy trailer is described having a pair of rear wheel assemblies mounted to a chassis of the trailer for movement between transport and loading positions such that the wheel assemblies are aligned across a back of the chassis when they are in the tr...
05/31/2011
7810831Vehicle hitch with multi-directional damping
The present invention is directed to a trailer hitch isolation assembly that attaches to the tongue of a fifth wheel trailer and that provides a moveable connection between a tow vehicle and the trailer. The hitch assembly includes a floating hitch attachment member...
10/12/2010
7422225Trailer apparatus and assembly for transportation of wheeled vehicles
A plurality of trailer arrangements, configurations and assemblies are provided in combination with a tractor to transport wheeled vehicles over the highway, in compliance with current state and federal regulatory requirements and with a view toward future modificat...
09/09/2008
7371038Trailer with hoist for container and the like
A trailer for transporting a container provided with lifting holes is disclosed. The trailer has a generally U-shaped frame, the front thereof being provided with a hitch for removably attaching the trailer to a tractor, the generally U-shaped frame being shaped and...
05/13/2008
7341272Expanding independent load suspension system
An expanding independent load suspension system that incorporates a square walking beam, unique bushings, and multiple expanding sliding units to spread the load bearing tires evenly over the surface instead of grouping them close together. With the weight of the ve...
03/11/2008
7338077Storage system for a support mat
A storage system 84 provides facility for storing a support mat 62 on a crane 20, for transport with the crane to and from work sites, and for placement of the mat on a terrain 22 for receipt of a pad 40 extendable from an outrigge...
03/04/2008
7337727Dropped deck center beam rail road car
A center beam car has a main deck structure extending laterally from a main center sill, a laterally extending top truss structure, and a central vertically oriented web work structure for carrying vertical shear loads between the top truss and the center sill and d...
03/04/2008
7287947Front loading trailer and method of use
A trailer for hauling heavy equipment includes front end loading assembly that allows hitching and loading, a trailer bed, and a set of rear wheels. Longitudinally aligned support beams from the trailer bed, ends terminating at the front end loading assembly. The fr...
10/30/2007
7278650Travel trailer having improved turning radius
A travel trailer configured to be coupled to and towed by a vehicle is provided. The travel trailer has a compartment that is attached to a chassis which includes a front end and a rear end. A plurality of wheels are attached to the chassis adjacent the rear end, an...
10/09/2007
7245033Auxiliary heating and air conditioning unit for a diesel powered transport vehicle
There is disclosed a system comprising a compact, AC operated auxiliary heating and air conditioning unit operable in the cabin of a transport vehicle and powered by the an auxiliary power unit (“APU”). The system includes control means coupled to the auxiliary ...
07/17/2007
7234905Apparatus for attaching a hitch to a vehicle
An apparatus for attaching a hitch to a vehicle is provided. The apparatus includes a pin rotatably mountable to the hitch and having a handle for rotating the pin. A receptacle formed in the vehicle receives the pin. A locking site defined by a channel is formed in...
06/26/2007
7221061Power generation system having an external process module
A power generation system includes a power module and an external process module. The external process module may include at least one engine support element. The power module has at least one connection zone, and the external process module has at least one connect...
05/22/2007
7219913Articulated vehicle wheel tracking mechanism
The invention provides a trailer for use as part of an articulated vehicle (15) with improved cornering characteristics. The trailer includes: a main chassis (18) connectable to a wheeled section (16) of the vehicle immediately ahead of the trai...
05/22/2007
7188848Anti-jack-knife trailer hitch and trailer
A hitch assembly for mounting to a trailer to form an interface between the trailer and a towing vehicle, with the trailer having a trailer deck and at least one wheel for ground support, said hitch assembly including a generally horizontally oriented cross member; ...
03/13/2007
7163226King pin security device
The present invention relates to a retractable king pin assembly for a trailer operable between an extended position, for engagement with a truck or tractor fifth wheel, and a retracted position, wherein the king pin is retracted to prevent engagement by a fifth whe...
01/16/2007
7147070Motorized semi-trailer
An improved tractor trailer having a tractor unit and a trailer unit and wherein the tractor unit includes an internal combustion engine, the improvement comprising an electrical drive arranged to drive at least some of the wheels on at least one of the axles of the...
12/12/2006
7140633Fifth wheel mounting and cross member assembly
A fifth wheel mounting assembly for mounting a fifth wheel hitch plate to a frame of a tractor that includes a pair of first support members adapted to be fixedly coupled to a pair of rails of a tractor, and each having a plurality of first apertures, and a pair of ...
11/28/2006
7134515Utility transport system
The present invention comprises a utility transport truck having electro-pneumatic controls for coupling and decoupling of devices which are in weight and sensitivity categories that make manual movement without power assist difficult or impossible. ...
11/14/2006
7077220Tractor with rear castor wheels
A hydrostatic agricultural tractor has front ground wheels mounted on the frame at fixed angles parallel to each other and parallel to a center line of the frame and rear ground wheels mounted on a respective castor, with each of the front ground wheels being driven...
07/18/2006
7017941Walking beam assembly
A walking beam assembly includes a pair of axles in parallel spaced relation. At least one of the pair of axles being a drop axles having end portions and an intermediate portion that extends between the end portions. The intermediate portion drops down and has a se...
03/28/2006
7007966Air ducts for portable power modules
Air ducts for portable power modules trailerable over public roads and capable of providing at least approximately one megawatt of electrical power. In one embodiment, the portable power module includes a shipping container having an air inlet and housing a gaseous ...
03/07/2006
6964427Trailer accessible from each end and method
Apparatus and method for facilitating access to articles from a rear end and a front end of a trailer (A) disclose the use of a hydraulic cylinder (D) exerting a force between a towbar (C) and the trailer for pivoting the trailer on its wheels (B) to make the traile...
11/15/2005
6957822Tractor unit/trailer combination for suspended transport of equipment
A tractor unit/trailer combination which is capable of carrying out suspended transport of a heavy duty piece of equipment, with the equipment being coupled at its forward end to the tractor unit and at its rear end to the trailer, and in such a way that the equipme...
10/25/2005
6935650Trailer hitch
An improved fifth wheel hitch for attaching a trailer to a towing vehicle. The hitch includes an outer box support frame having two rails for mounting the trailer hitch to the towing vehicle, a spherical bearing mounted in the frame having a ball joint, and a latch ...
08/30/2005
6893039Fifth wheel coupling
A fifth wheel coupling (4) for coupling a tractor (2) and a semi-trailer (3) of a tractor-trailer unit (1) comprises a coupling device arranged on the tractor (2) for receiving and arresting a king journal fastened to the semi-trai...
05/17/2005
6802535Support device
The invention relates to a support device for semi-trailers comprising a leg which has a receiving device, on its lower end. The support leg has a base element with a base plate, which is mounted by means of two vertical plates on the base receiving device so that i...
10/12/2004
6802521Trailer wall construction
A construction for a cargo trailer side wall providing a plurality of horizontal scruff rails to extend farthest inwardly from the side wall and a plurality of post framing segments which do not extend inwardly past the scruff rails interconnecting one or more of th...
10/12/2004
6729817Stackable shipping trailer
Stackable shipping containers are disclosed that can also act as trailers to be pulled by standard tractor trucks for travel over the road. Each of the stackable shipping trailers includes a substantially rectangularly shaped container having an interior capable of ...
05/04/2004
6659491Trailer system
A trailer system is provided in which the trailer system can include a frame having a front end, a rear end, opposing sides between the front end and the rear end and a hitching mechanism coupled to the front end of the frame. The trailer system can also ...
12/09/2003
6629700Gooseneck trailer hitch offset system
A gooseneck trailer hitch offset system for increasing the turning radius possible with a gooseneck trailer. The gooseneck trailer hitch offset system is most suitable for use with a vehicle having a bed that contains a hitch ball and a trailer with a can...
10/07/2003
6600974Method and device for identifying a rolling motion in a vehicle
A device for detecting a pendulum motion of a vehicle. The device includes at least one first ascertainment arrangement, with which a lateral-motion-dynamics quantity is ascertained that represents the lateral motion dynamics of the vehicle. In addition, ...
07/29/2003
6450523Steering method for a trailing section of an articulated vehicle
This invention relates generally to systems used to steer trailing sections of articulated vehicles and trailers. The preferred embodiment of this invention is a steerable dolly that can be manually and/or automatically switched among multiple modes. The ...
09/17/2002
6439639Trailer hitch enclosure device
A trailer hitch enclosure device for providing an opening for a trailer hitch while covering a truck bed. The trailer hitch enclosure device includes a base support including a first elongate member and a second elongate member attached together. The firs...
08/27/2002
6431564Add-on self tracking axle for a vehicle
The present invention is a self steering "add on" axle system for use with a vehicle such a dump truck in order to increase the legal weight capacity of the vehicle and provide effective steering in both the forward and reverse directions. The system comp...
08/13/2002
6264337Vehicle safety system
An apparatus for automatically adjusting the angle of a rotatable side view mirror of a vehicle having a trailer coupled thereto includes transducers attached to the vehicle for transmitting signals toward the trailer and for receiving signals reflected b...
07/24/2001
6231064Automotive transport tractors, semi-trailers, trailers and combinations thereof
The invention provides a new automotive tractor unit for use with a new semi-trailer unit to form a rigidly-coupled tractor/semi-trailer combination. The tractor has a long wheel base and has its fifth wheel assembly mounted for extended longitudinal move...
05/15/2001
6186530Trailer hitch and extension coupling for use therewith
An extension coupling releasably interconnects a trailer to a tow hitch on a tractor vehicle. The apparatus includes a trailer mounting assembly adapted to releasably interconnect to the trailer. The trailer mounting assembly includes a hitch box mount ad...
02/13/2001
6109641First-in/first-out tractor and semi-trailer cargo transfer system
A truck design and load/unload configuration includes a tractor and an enclosed semi-trailer. The enclosed semi-trailer includes front and rear full size cargo doors or openings. The cargo loaded into the semi-trailer first is assured to be the cargo that...
08/29/2000
6045316Fifth wheel rollback trailer
The invention is a fifth wheel rollback trailer consisting of three basic parts, a fifth wheel pull frame, a tilt frame, and a slide frame. The tilt frame is mounted on the pull frame above the axle and is tilted by a hydraulic cylinder. The slide frame i...
04/04/2000
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