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Semitrailer

Subclass of:

280 - Land vehicles

280029000 - WHEELED

280400000 - Articulated vehicle

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
280433000 Fifth wheel only 57
280441200 Detachable or shiftable gooseneck type 8
280425100 Coupling and uncoupling with facilitating lift means 5
20120248736Trailer - A trailer for transporting large equipment, buses, recreational vehicles, wherein the trailer includes a main deck at its forward end which is supported upon first and second elongated frame members. First and second running gear beams extend rearwardly from the rearward ends of the first and second frame members with each of the running gear beams including an upwardly and rearwardly extending first beam portion, a rearwardly and horizontally extending second beam portion and a downwardly and rearwardly extending third beam portion. First and second ramps are positioned laterally outwardly of the third beam portions of the first and second running gear beams and are movable between upper and lower positions. Vertically movable bolsters are positioned between the wheels of the axles which support the trailer at the rearward end thereof. The bolsters may be moved from a lower transport position to an upper loading/unloading position.10-04-2012
20100289248GOOSENECK TRAILER ATTACHMENT ASSEMBLY AND CENTER DECK ELEVATION SYSTEM - Taught herein is a trailer having a gooseneck that can be engaged with the fifth wheel of a road tractor, rear truck unit, and a detachable cargo deck connecting the gooseneck with the truck unit. The cargo deck may be detached from the gooseneck and rested on the ground to allow heavy equipment to be loaded onto the cargo deck. The cargo deck can be reattached to the gooseneck, and elevated and locked into any one of three positions, each substantially parallel with the road, by an elevating means in the gooseneck and the truck unit. Thus the trailer of the present invention can be configured to accommodate cargo have a wide range of weight and size.11-18-2010
20120256392LOWRIDER AERODYNAMIC TRUCK - A truck for towing a trailer includes a vehicle frame spine, a pair of suspension assemblies extending from either side of the vehicle frame spine and each supports a drive assembly at an end distal to the vehicle frame spine. Extensible struts are positioned between the vehicle frame spine and the drive assemblies allowing selection of vehicle drive height from a driving surface. A fifth wheel assembly is supported from the vehicle frame spine located above the drive assemblies. The fifth wheel assembly includes a fifth wheel and a fifth wheel lift which varies spacing of the fifth wheel from the vehicle frame spine. Control system selects strut extension based on a selected vehicle drive height and operates the lift assembly to counteract changes in vehicle drive height and maintain a constant fifth wheel drive height relative to the driving surface.10-11-2012
20080217883Tractor Adapted to Be Connected to a Semi-Trailer - A tractor adapted to be connected to a semi-trailer is provided and includes a chassis having at the rear end portion a fifth wheel and behind that a pick up ramp arranged to guide the trailer in position so that a king pin on the trailer can enter an opening in the fifth wheel when the tractor is driven in reverse towards the trailer. The pick up ramp is moveable by power means between an upper tilted pick up position and a lower storage and driving position in which the ramp rests on beams of the chassis.09-11-2008
20130181426Fifth wheel hitch removal device - A device is provided to install and remove a fifth wheel hitch from a vehicle. This device includes an attachment bar connected to the kingpin of a fifth wheel trailer. The attachment bar is in communication with an extension arm. The extension arm includes a hoist with a cable to be attached to the fifth wheel hitch. Operation of the hoist will lift or lower the fifth wheel hitch to its desired position.07-18-2013
280432000 Safety devices 5
20090250900HITCH SYSTEM FOR USE WITH A BALL HITCH AND METHODS THEREFORE - A hitch system for interconnecting a trailer to a tow vehicle, wherein the tow vehicle includes a hitch ball centered about a medial axis. The hitch system includes an elongate extension coupling having a proximal end portion rotatably mountable to the trailer and extending toward a distal end portion that is movably mountable to the hitch ball, and an anti-yaw mounting assembly for interfacing the extension coupling to the hitch ball such that the distal end portion is restricted from rotating about the medial axis.10-08-2009
20110187079Protective safety cover for the pin box and the king pin of a fifth wheel type trailer - A protective safety cover for fifth wheel pin has a main panel having at least one edge, and an opening adapted to receive the king pin of the trailer therethrough; a perimeter wall extending perpendicularly to the at least one edge of the main panel; and a retainer member connected to the main panel and adapted to securely and removably attach the safety cover to the goose neck of the trailer and around the king pin, to thereby surround the king pin and protect a person from accidentally hitting the king pin.08-04-2011
20100025963Device for swivel joint coupling, particularly for semi-trailers - The invention relates to a device for the active damping of swivel joint couplings (02-04-2010
20090033060Converter Dolly Backup Device - A backup device for limiting the rotation of converter dollies about a trailer hitch is presented. A dolly mounted, laterally extending moveable bar is selectively pressed against the vertical members of the trailer's underride guard in order to prevent rotation of the dolly relative to the trailer. The bar is retracted from the trailer to allow significant rotation of the dolly during normal forward operation. The backup device is operable with many makes and models of trailers because the laterally extending bar provides a large area that the trailer underride guard may contact. In addition to being operable with many models of trailers, the present invention does not require specific features to be added onto a trailer pulling the converter dolly. Additionally, the large contact area of the laterally extending bar allows the device to function with dollies that are significantly rotated about a trailer hitch. The backup device is also robust, aerodynamic, and self contained. Although manual operation of the device is possible, by connecting the device to the pressurized trailer brake line, the electrical circuitry of the trailer, or other means, the backup device may be operated from within the tractor cab.02-05-2009
20130113181REMOVABLE SECURING CHAIN ATTACHMENT ASSEMBLY - A securing chain attachment assembly is shown and described. The securing chain attachment assembly may include an attachment body selectively and rotatably securable to a towing vehicle, the attachment body rotatable along a first plane. The securing chain attachment assembly may also include a securement member attached to the attachment body, the securement member capable of having selectively secured thereto a securement chain, where the chain attachment member is pivotal along a second plane, the second plane generally parallel to the first plane.05-09-2013
280426000 Steering by articulative movement 4
20100032923SEMI-TRAILER REPOSITIONER - Exemplary apparatus and system for repositioning a semi-trailer are described. The repositoner may comprise two pivoting arms, each comprising a mechanical actuator attached to an underside area of the semi-trailer, wherein the pivoting arms are disposed substantially parallel to the underside of the semi-trailer in a first position and are configured to be pivoted away from the semi-trailer in a second position substantially perpendicular to the underside of the semi-trailer; two wheels mounted at an angle from a rear plane of the semi-trailer such that the semi-trailer moves in a circular path when the wheels turn, with each wheel operatively coupled to a motor; and a lower frame mounted to the mechanical actuators of the arms, the lower frame comprising two opposing wheel housing couple to the wheels; wherein, lowering the hydraulic jack arms can hydraulically lift the semi-trailer, and further wherein the wheels can maneuver the semi-trailer.02-11-2010
20090236823Operation of Self-Steering Axles on Semi-Trailers - A method of controlling the sideways motion of a trailer forming part of a combination vehicle, such as a road train, for road transport of heavy goods. The vehicle has a trailer including a semi-trailer body and a dolly mounted beneath the front of the semi-trailer body. The method includes steering at least some of the wheels on said axle sets relative to the dolly frame such that at high speeds, as the vehicle turns towards one side, steering the dolly wheels to induce the dolly to move towards that side and, at low speeds, as said vehicle turns towards that side, steering the dolly wheels to induce the dolly to move towards the opposite side.09-24-2009
20090020982Trailer steering mechanism - A mechanism for steering one or more axles of a multi-axle trailer and cutting the air supply to the air suspension system on some of said axles when the steering mechanism cannot match the angle of the tractor by utilizing cams keyed to the tractor fifth wheel.01-22-2009
20130175785STEERING MECHANISM FOR A DRAWN VEHICLE TO STEER ONE OR MORE TURNABLE STEERED AXLES - A steering mechanism for a drawn vehicle to steer one or more turnable steered axles that at least has a slewing bearing, a rocker that is fitted around a vertical shaft and is turnable, a cable whose ends are connected to the rocker on either side of the vertical shaft and which is fitted around the slewing bearing to transmit a turn of the slewing bearing to the rocker and a tackle at each end of the cable with a fixed pulley that can be coupled to the drawn vehicle, and a movable pulley on the rocker.07-11-2013
280427000 Interrelated operation of coupling, landing gear, and brake 1
20090179400ROTATIONAL BREAKAWAY TRAILER JACK ASSEMBLY AND METHOD OF USE - A rotational jack assembly is provided to support a portion of a trailer. The jack assembly has a pivot mount with a pivot axis, a mounting plate rotatable about the pivot axis and a pin receptor with a first and second portion. The mounting plate carries a support assembly and a locking pin. The locking pin is engagable with the pin receptor, and adapted to move between the first and second portions of the pin receptor upon application of rotational force. A force activated locking assembly and a breakaway support assembly are also provided for supporting a portion of a trailer. A method of use for the rotational breakaway trailer jack assembly is also disclosed.07-16-2009
Entries
DocumentTitleDate
20100133781FLATBED TRAILER HAVING AN EXTENDABLE CONFIGURATION AND AN ALTERNATE CONFIGURATION - A flatbed trailer includes first, second and third flatbed sections whereby the first and second sections are joinable in an extendable configuration and the first and third sections are joinable in an alternate and typically standard configuration. The trailer can be switched between the extendable and alternate configuration within a fairly short time. The invention thus eliminates the need for both a standard extendable trailer and a separate non-extendable trailer, and provides the ability to use the alternate configuration when the extendable configuration is not necessary in order to substantially reduce the weight which would otherwise be involved with the use of the extendable configuration.06-03-2010
20110025018ALUMINUM FLATBED WITH UNIQUE FRONT CONNECTION - A drop deck trailer frame includes a front section having a first upper surface, a rear section having a second upper surface lower than the first upper surface, and an improved connection between the front and rear sections which tends to reduce cracking which commonly occurs in drop deck trailer frames due to the stresses in the region of the connection. The connection preferably includes a semicircular weld. In addition, heat treated bent flanges are typically used to provide additional strength. Fasteners such as bolts are also typically used to connect various flanges.02-03-2011
20080246252Heating device usable with a tractor trailer, a tractor trailer including the same, and a method of heating a tractor trailer - A vehicle trailer is provided. The vehicle trailer includes an elongated trailer for transporting cargo. A heating device includes an elongated waterproof mat disposed on a top surface of the trailer. The mat has a heating system for heating the mat. A power supply unit is operably associated with the heating system for operating the heating system and thereby causing the mat to be heated.10-09-2008
20090322057FIFTH WHEEL TRAILER WITH ADJUSTABLE DECK - A cargo carrier trailer for movably supporting cargo includes a frame configured to support cargo at the cargo carrier trailer and at least two wheels at each side of the frame. Each of the wheels is rotatably mounted to a respective support arm. The support arms are pivotally mounted to a carriage assembly that is repositionable fore and aft along the frame of the cargo carrier. The support arms are pivotable relative to the carriage assembly and frame to adjust the height and tilt of the frame relative to a support surface. The cargo carrier trailer is readily adapted to position the frame at a lower position for road applications and a raised position for uneven terrain applications. The cargo carrier trailer is adapted to couple to a tow vehicle via a fifth wheel hitch.12-31-2009
20120193889Method of Operating a Trailer Braking System - A method of operating a braking system for a trailer (08-02-2012
20100019470CARGO CONTAINER SYSTEM WITH SELECTIVELY DEPLOYABLE SUPPORT AND WHEEL ASSEMBLIES - A cargo container system is provided having selectively deployable support and wheel assemblies. The support and wheel assemblies are capable of being stowed within a recess formed in the underside of the cargo container system during storage or shipment of the cargo container system (e.g., by ship, rail, and/or the like). At an appropriate time (e.g., the cargo container system is about to placed onto the ground by a crane), the support and wheel assemblies are then selectively deployed downwardly and/or outwardly from the recess of the underside of the cargo container system to provide a fully functional cargo container system/trailer combination that is immediately capable of being engaged to a truck/tractor and driven away. The deployment system can include a screw system that, when rotated in a first direction is operable to raise the support and wheel assemblies and then, when rotated in a second direction is capable of lowering the support and wheel assemblies.01-28-2010
20090212533SUPPORT PANEL STRUCTURE - A support panel structure includes at least one panel which extends in longitudinal and cross direction of the support panel structure and essentially forms one integrated structure, which integrated structure is at least partly built up of at least one composite resin laminate building block comprising at least a first and a second face sheet of a fibrous reinforced material with sandwiched in between a sheet of a foamed core material, wherein the first and second face sheet and the sheet of core material are mutually connected by means of fibrous reinforcing material at least part of which extends in height direction of the resin laminate building block, further with the support panel structure including in height direction a multiplicity of composite resin laminate building blocks stacked on top of each other and bonded to each other, at least a first and a second superposed resin laminate building blocks which sandwich between them a layer of a foamed material, the resin laminate building blocks and foamed material being adhered to each other.08-27-2009
20110163517MOBILE BARRIER - In one embodiment, a safety trailer has semi-tractor hitches at both ends and a safety wall that is fixed to one side of the trailer. That side, however, can be changed to the right or left side of the road, depending on the end to which the truck attaches. A caboose can be attached at the end of the trailer opposite the tractor to provide additional lighting and impact protection. Optionally, the trailer can be equipped with overhead protection, lighting, ventilation, onboard hydraulics, compressors, generators and other equipment, as well as related fuel, water, storage and restroom facilities and other amenities.07-07-2011
20100320729SEMI-TRAILER FOR TRANSPORTING CIRCULAR OBJECTS - A semi-trailer for transporting circular objects may include a coupler assembly configured to be connected to a towing vehicle, a rear frame member, a pair of side rails joined at rear ends thereof by the rear frame member and at front ends thereof by the coupler assembly, a rear wheel and axle assembly mounted to the side rails between the front and rear ends thereof and at least one transportation well mounted to and between the side rails. The at least one transportation well may extend below the side rails. The at least one transportation well is configured to receive and hold therein while being transported by the semi-trailer at least one circular object.12-23-2010
20100219610CONTAINER TRANSPORT SYSTEM - Systems and methods of transporting containers are disclosed. In one embodiment, an apparatus for transporting shipping containers is provided. The apparatus is configured to move along rails of a railroad track. The apparatus comprises a coupling configured to couple with a trailer configured to transport shipping containers. The coupling is attached to a source of magnetic flux. The source of magnetic flux is positioned so as to be driven by a source of varying magnetic flux positioned along the railroad track. In one embodiment, the source of magnetic flux comprises one or more permanent magnets and the source of varying magnetic flux comprises at least one electromagnet.09-02-2010
20090174171Aluminum flatbed with unique front connection - A drop deck trailer frame includes a front section having a first upper surface, a rear section having a second upper surface lower than the first upper surface, and an improved connection between the front and rear sections which tends to reduce cracking which commonly occurs in drop deck trailer frames due to the stresses in the region of the connection. The connection preferably includes a semicircular weld. In addition, heat treated bent flanges are typically used to provide additional strength. Fasteners such as bolts are also typically used to connect various flanges.07-09-2009
20120061944ALUMINUM FLATBED WITH UNIQUE FRONT CONNECTION - A drop deck trailer frame includes a front section having a first upper surface, a rear section having a second upper surface lower than the first upper surface, and an improved connection between the front and rear sections which tends to reduce cracking which commonly occurs in drop deck trailer frames due to the stresses in the region of the connection. The connection preferably includes a semicircular weld. In addition, heat treated bent flanges are typically used to provide additional strength. Fasteners such as bolts are also typically used to connect various flanges.03-15-2012
20100253043Rear Gate with Open Step-Through Area - A rear gate includes a frame with first, second, and third vertical members, a horizontal top member, and a horizontal bottom member. The first and second vertical members are connected to the horizontal top and bottom members to form a first opening between the first and second vertical members. The third vertical member is connected to the horizontal top member to form a second opening between the second and third vertical members. The horizontal bottom member only extends between the first and second vertical members so that the second opening is free of the frame at a bottom of the second opening. A first locking pipe positioned adjacent to the third vertical member to locks the rear gate in the closed gate position.10-07-2010
20110181020SYSTEM FOR DETERMINING THE POSITION OF A ROAD TRACTOR AND A SEMI-TRAILER IN RELATION TO EACH OTHER DURING A COUPLING OPERATION - A road tractor semi-trailer combination is equipped with a system for determining the position of a road tractor relative to a semi-trailer. A king pin is fitted to the bottom of the semi-trailer and a unit is fitted to the bottom of the fifth wheel coupling present on the road tractor. The bottom of the king pin has a recess into which a pivot forming part of the unit can be inserted. The pivot has the shape of a screwdriver and the recess has a shape congruent with the pivot.07-28-2011
20120313348Aerodynamically-shaped fuel tank - An aerodynamically-shaped fuel tank is provided for a refrigeration unit mounted on the forward end of a truck body. The fuel tank includes a cylindrical main body portion having forward and rearward ends. An aerodynamically-shaped nose portion extends forwardly and upwardly from the forward end of the main body portion. An aerodynamically-shaped tail portion extends rearwardly and upwardly from the rearward end of the main body portion.12-13-2012
20120299269ALUMINUM FLATBED WITH UNIQUE FRONT CONNECTION - A drop deck trailer frame includes a front section having a first upper surface, a rear section having a second upper surface lower than the first upper surface, and an improved connection between the front and rear sections which tends to reduce cracking which commonly occurs in drop deck trailer frames due to the stresses in the region of the connection. The connection preferably includes a semicircular weld. In addition, heat treated bent flanges are typically used to provide additional strength. Fasteners such as bolts are also typically used to connect various flanges.11-29-2012
20120326417OPTIMIZED TALL GRASS RECTANGULAR BALE TRANSPORT SYSTEM - A transport system including a fleet of semi-trailer trucks, wherein a plurality of the semi-trailer trucks are loaded with rectangular bales of tall grass biomass, wherein the total weight of the bales is greater than 90% of the sum of the maximum transport weight capacities of the loaded semi-trailer trucks, wherein the total volume of the bales is greater than 80% of the sum of the maximum transport volumes of the loaded semi-trailer trucks.12-27-2012
20120242060CARGO CONTAINER SYSTEM WITH SELECTIVELY DEPLOYABLE SUPPORT AND WHEEL ASSEMBLIES - A cargo container system is provided having selectively deployable and retractable support and/or wheel assemblies. The wheel assemblies are capable of being retracted upwardly while the landing assembly is capable of being deployed downwardly and/or retracted upwardly, e.g., during storage or shipment of the cargo container system (e.g., during sea travel or rail travel). At an appropriate time (e.g., the cargo container system is about to placed onto the ground or other surface by a crane or other suitable device), the wheel assemblies are then selectively deployed downwardly while the landing gear assembly is capable of being retracted upwardly and/or deployed downwardly, e.g., to provide a fully functional cargo container system/trailer/chassis combination that may be immediately capable of being engaged to a truck/tractor/chassis and driven away.09-27-2012

Patent applications in class Semitrailer

Patent applications in all subclasses Semitrailer