Abstract: A connecting system and a method for connecting a towing vehicle to a semitrailer includes a first plug unit configured to be fixed to a rotor of a semitrailer unit rotatably mounted on the semitrailer unit about an axis of rotation and having a first coupling portion, and a second plug unit having at least one mounting portion configured to be attached to a coupling plate of a commercial vehicle and a second coupling portion, wherein the first and second coupling portions are configured to be coupled together along a coupling axis such that the coupling axis is substantially parallel to the axis of rotation and spaced from the axis of rotation, and such that the first coupling portion is displaceable relative to the rotor and/or the second coupling portion is displaceable relative to the mounting portion along the coupling axis to engage or disengage the respective opposite coupling portion.

Abstract: A system and method for automatically coupling at least one of an air line or an electrical line of a tractor to a trailer that is configured to be pulled by the tractor. A moveable arm is mounted to the tractor and is configured to exhibit at least one degree of freedom (DOF) of motion relative to the tractor. The moveable arm carries at least one of an air line connector or an electrical connector. A trailer coupling head is mounted to the trailer and carries at least one of an air line connector or an electrical connector that are configured to be connected to the at least one of an air line connector or an electrical connector of the tractor. The trailer coupling head can be moved in at least a vertical DOF relative to the ground by the automatic coupling system.

Abstract: A coupler guard configured to protect an auxiliary coupler assembly from side impacts in the rough use environment of a loader. The coupler guard comprises an encasement and a side plate. The loader comprises the auxiliary coupler assembly and a hinge extension. The encasement wraps around a top portion and interior side of the auxiliary coupler assembly. The side plate attaches to a portion of the encasement and protect an exterior side portion of the auxiliary coupler assembly. A screw assemblies selectively attaches the encasement to the side plate. A ring attaches to a portion of the side plate. The ring selectively wraps around a portion of the hinge extension of the loader. A ring screw assembly selectively holds the ring and the rest of the coupler guard to the hinge extension. An edge trim selectively sits on top of a portion of a first arm.

Abstract: A sensor device for a towing vehicle coupling or as a component of a towing vehicle coupling, with which a trailer vehicle, in particular a semi-trailer, can be coupled to a towing vehicle wherein the towing vehicle coupling has a coupling element for detachably coupling a coupling counter element, which are/can be secured to the towing vehicle and the trailer vehicle, and in the coupled state forming a joint, where they can rotate relative to one another about at least one joint rotational axis, wherein the sensor device has a follower, which is mounted on a bearing body where it can rotate relative to the coupling element about a follower rotational axis, which can rotate about the follower rotational axis by rotationally following the coupling counter element in a rotation about the at least one joint rotational axis, and which is for detecting a rotation of the coupling counter element relative to the coupling element about the at least one joint rotational axis, and wherein the sensor device has at least

Abstract: An adapter for a cable hanger includes: first and second opposed side walls; a ceiling spanning the first and second side walls; and first and second end walls spanning the first and second side walls and merging with the ceiling. At least one of the first and second side walls and the ceiling includes a mounting hole. At least one cradle is mounted to and extends away from one of the first or second side walls, the first or second ends walls, or the ceiling.

Abstract: A device for transferring a line between a retracted state and an extended state includes a line arranged in an interface region between a semitrailer train and a semitrailer, wherein the line has a first line section and a second line section and wherein the line is longer in the extended state than in the retracted state, and an envelope element via which the first line section and the second line section are connectable for transfer between the retracted state and the extended state by forming a telescopic mechanism.

Abstract: System for holding and storing disconnected lines of a tractor unit, each line comprising, at one end, a coupling configured to be coupled to a complementary coupling of a trailer so as to pneumatically or electrically connect the trailer to the tractor unit, the system for holding and storing comprising a first retaining mechanism comprising a bracket designed to be fixed on a rear wall of the tractor unit and at least one spring having a first extremity attached to the bracket and a second extremity on which at least one of the lines can be hung; and a second retaining mechanism for receiving and holding the couplings arranged at the end of the lines; the system for holding and storing further including a magnetic stabilizer configured for attracting and maintaining the spring in a rest position when the tractor unit is moving without trailer.

Abstract: A work vehicle includes a vehicle body frame, a cab frame attached to the vehicle body frame so as to be rotatable around a pivot axis, a support provided on the cab frame, a fastener provided on the cab frame and between the support and the pivot axis in a radial direction from the pivot axis, a hydraulic hose, and a hose installation member. The hose installation member includes an engaging portion connected to the fastener, an extending portion configured to be supported on the support, a beam portion connecting the engaging portion and the extending portion, and a first hose holding member provided on the beam portion and having a first opening through which the hydraulic hose passes.

Abstract: A tubing assembly for a work vehicle includes a tube having a first end and a second end, wherein the first end is configured to fluidly couple to a fluid source. The tubing assembly also includes a fitting positioned at the second end of the tube. The fitting includes a first radially-expanded portion configured to engage a first side of a plate that is configured to form part of a chassis of the work vehicle, a threaded portion configured to extend through an opening in the plate, and a second radially-expanded portion configured to engage a second side of the plate to trap the plate between the first radially-expanded portion and the second radially-expanded portion, thereby coupling the tube to the plate.

Abstract: An automated trailer coupling arrangement includes a receiver member supported on a towed vehicle and including pneumatic and electrical couplers, a shuttle member including pneumatic and electrical couplers configured to couple to pneumatic and electrical supply sources and a control arm assembly supported on a towing vehicle and including a carrier member configured to operably couple and uncouple with the shuttle member, and an actuator coupled to the carrier member configured to move the carrier between a first position where the carrier member is coupled with the shuttle member and the shuttle member is spaced from the receiver member, and a second position where the second pneumatic coupler is coupled with the first pneumatic coupler and the second electrical coupler is coupled with the first electrical coupler and the carrier is uncoupled and spaced from the shuttle member.

Abstract: The technology relates to autonomous vehicles having hitched or towed trailers for transporting cargo and other items between locations. Aspects of the technology provide a smart hitch connection between the fifth-wheel of a tractor unit and the kingpin of a trailer. This avoids requiring a person to make physical pneumatic and electrical connections between the fifth-wheel and kingpin using external hoses and cables. Instead, the necessary connections are made internally, autonomously. For instance, the fifth-wheel may provide air pressure via one or more slots arranged on a connection surface, and the trailer is configured to receive the air pressure through one or more openings on a contact surface of the kingpin. An electrical connection section of the fifth-wheel may also provide electrical signals and/or power to an electrical contact interface of the kingpin. Rotational information about relative alignment of the trailer to the tractor unit may also be provided.

Abstract: A coupling system for a fifth wheel coupling includes a first plug unit having a plurality of first plug connectors, and a second plug unit having a plurality of second plug connectors to engage and transmit power and/or fluid with the first plug connectors, and an adjuster unit having a guide section configured to be brought into engagement with a retaining element on one of the plug units to transmit a force from the adjuster unit to the plug unit, which displaces the plug unit along a plug-in axis, wherein the adjuster unit can be displaced transversely and laterally to the plug-in axis or can be rotated about the plug-in axis.

Abstract: A system for pivoting a coupling component for a semi-trailer truck includes a rotation device configured to pivot the coupling component between a primary position and a secondary position, and at least one line, which is guided into the coupling component via the rotation device and wherein the system comprises a pivot arm for entraining the at least one line when the coupling component is pivoted between the primary position and the secondary position.

Abstract: A coupling system includes a coupling plug and a coupling receptacle, wherein the coupling plug and the coupling receptacle engage with one another in such a way that the first coupling part makes fluid-tight contact with the first receiving part, the second coupling part makes fluid-tight contact with the second receiving part and the third coupling part makes fluid-tight contact with the third receiving part, and wherein the contact surfaces of the coupling parts and the receiving parts are substantially rotationally symmetrical about the first axis.

Abstract: A cargo vehicle is disclosed having a composite floor assembly with at least one conduit extending along a length of the composite floor assembly. The at least one conduit may include a first internal cavity and a second internal cavity. The first internal cavity may be configured to route at least one vehicle component. The second internal cavity may be configured to receive at least one vehicle component or a plurality of mechanical fasteners. The mechanical fasteners may be used to couple a base rail to the composite floor assembly.

Abstract: A coupler for coupling an attachment to an excavator or other machine comprises a powered actuator for actuating a locking member into and out of said locking state, a first power coupling unit, and a second actuator for moving the power coupling unit into and out of an engaging position in which it is engagable with a corresponding second power coupling unit of the attachment. The coupler is configured to cause the first power coupling unit to move into the engaging position after said latching member adopts the locking state and, when decoupling the attachment from the coupler, to cause said latching member to remain in its locking state until after the first power coupling unit is moved out of its engaging position.

Abstract: A wire harness routing structure for a panel, includes: a panel member that includes a first surface and a second surface opposite to the first surface; and a wire harness that is routed to the panel member. The first surface has a harness accommodating groove that accommodates a harness main body of the wire harness, the harness accommodating groove being recessed toward the second surface. A resin cured portion that holds the harness main body is formed in the harness accommodating groove. The resin cured portion is formed by a resin with which a predetermined range of the harness accommodating groove is filled and which is cured.

Abstract: A semi-trailer including an elongated trailer frame having a front portion and a rear portion, a wheel bogie disposed beneath the trailer frame, a jack disposed proximal the rear portion of the trailer frame, where the jack is configured to raise and lower the rear portion of the trailer frame, The jack includes an actuator connected to the trailer frame at the rear portion, a plurality of pivotal support arms connected to an end of the actuator and a plurality of ground engaging members connected to the end of the plurality of support arms, where the ground engaging members are powered to transversely move the rear portion of the trailer frame.

Abstract: A fifth-wheel coupling for releasably coupling a fifth-wheel tractor (10) to a semitrailer (20). A kingpin on s semitrailer can be brought into engagement with a fifth-wheel plate on the fifth-wheel tractor. A first insertion coupling part is arranged on the fifth-wheel plate in such a way that it can be moved by means of a lifting device from a decoupled, retracted idle position into a protruding coupling position. A centering unit, e.g., conical centering pins, is provided on the lifting device which centers the relative position of the first insertion coupling part in the decoupled position. The centering is mounted floating against the force of springs on the fifth-wheel plate. The centering is released in the coupling position after the coupling process.

Abstract: The technology relates to autonomous vehicles having hitched or towed trailers for transporting cargo and other items between locations. Aspects of the technology provide a smart hitch connection between the fifth-wheel of a tractor unit and the kingpin of a trailer. This avoids requiring a person to make physical pneumatic and electrical connections between the fifth-wheel and kingpin using external hoses and cables. Instead, the necessary connections are made internally, autonomously. For instance, the fifth-wheel may provide air pressure via one or more slots arranged on a connection surface, and the trailer is configured to receive the air pressure through one or more openings on a contact surface of the kingpin. An electrical connection section of the fifth-wheel may also provide electrical signals and/or power to an electrical contact interface of the kingpin. Rotational information about relative alignment of the trailer to the tractor unit may also be provided.

Abstract: A structure for delivering a pipe fusion machine may include a base that supports a container. A hose station may be provided in the container. And a swing arm may be mounted on the base for pivot action between a stowed position and an extended position. The delivery structure may be mounted on a motorized vehicle having an on-board hydraulic fluid system. The distal end of the swing arm may support pipe fusion jaws and a pipe facer. The pipe fusion jaws and the pipe facer may be connected to the hose station via hydraulic lines, and the hose station may be connected to the vehicle's on-board hydraulic system. In this way, the vehicle's on-board hydraulic system can power the pipe fusion jaws and the pipe facer.

Abstract: A safety system for an electric power line for interconnecting a tractor and a respective trailer, the safety system comprising a traction-detection element designed to identify a reciprocal departing movement between the tractor and the respective trailer, the traction-detection element being connected to means for de-energizing the electric power line when the reciprocal departing movement exceeds a predefined threshold.

Abstract: An electrically powered gear box for a semitrailer stabilizer, comprising a gear box housing; the housing is internally provided with a drive gear (10), a power output shaft (2), and a clutch mechanism ensuring transmission connection or disengagement between the drive gear (10) and the power output shaft (2); the housing is externally provided with a motor (20); and the shaft of the motor is in a transmission connection with the drive gear (10). The electrically powered gear box for the semitrailer stabilizer can be manually or electrically controlled. In the case of electrical control, the clutch mechanism causes the drive gear (10) to be in a transmission connection with the power output shaft (2); upon activating the motor (20), the motor (20) drives the power output shaft (2) to rotate via the drive gear (10) and the clutch mechanism, thus ensuring easy operation.

Abstract: A hydraulically-operated implement has a hydraulic system with a hose and a coupler connecting the hose to a mating port on a tractor. A docking station is mounted on the implement receives the coupler on the free end of the hose when disconnected from the tractor. The docking station includes a station body having a coupler receiving portion and a leakage collection portion. The coupler receiving portion has a primary side with at least one circular bore and the leakage collection portion contains a drain opening. A retention device positioned on the inner periphery of each of the circular bores receives the coupler. The drain opening is sealed with a drain plug and the docking station has an inside bulkhead parallel with the primary side of the station body. The bulkhead has a circular hole formed therein aligned with the at least one cylindrical bore in the primary side.

Abstract: A hitch system for automatically hitching a tractor to a trailing implement is provided. The hitch system may allow an operator that is in a cab of the tractor to remotely connect and electrical system and/or a hydraulic system of a tractor an implement to each other and to remotely secure a hitch pin that connects a tongue of the implement to a drawbar of the tractor. The hitch system may include implement and tractor connector bank assemblies that are respectively provided on the implement and tractor. The tractor connector bank assembly may be moveable in multiple directions for allowing the tractor connector bank assembly to be remotely controlled from the cab of the tractor to align and move into engagement with the implement connector bank assembly.

Abstract: Embodiments of the present disclosure generally provide systems and methods for connecting a power supply of a tow vehicle to a trailer. The system may comprise a connector plate coupled to a hitching member. The connector plate may define a curvilinear slot that receives a first connector. The curvilinear slot may allow the connector plate to rotate with respect to the first connector. A retention spring may be coupled to the first connector. In various embodiments, the hitching member may be a tongue of a fifth wheel trailer or a downward extending member of a gooseneck trailer.

Abstract: Upper coupler assemblies for mounting coupling devices to trailers, and methods for inspecting upper coupler assemblies. The upper coupler assemblies include a housing having first and second members that define a cavity therebetween. At least the second member has a through-hole adapted to receive a coupling device, such as a kingpin. The cavity contains at least one fluid-tight chamber, more preferably multiple gas-tight and liquid-tight chambers by walls within the cavity. The coupler assembly has at least one fluid inlet for introducing and/or withdrawing a fluid (liquid and/or gas) from one or more of the chambers. The integrity of the upper coupler assembly can be evaluated by introducing or removing a gas from the one or more chambers and detecting the presence of any gas leaks in the one or more chambers.

Abstract: A hose support for supporting hoses which extend between the tractor and the trailer of a tractor-trailer rig with the tractor having a headache rack, with forward and rearward sides, positioned rearwardly of the cab of the tractor. A substantially vertically disposed mounting plate is secured to the rearward side of the headache rack and has an elongated hose support arm, having forward and rearward ends, with the rearward end of the hose support arm being pivotally secured, about a vertical axis to the mounting plate. The hose support arm may extend rearwardly and upwardly from the mounting plate or extend rearwardly and downwardly from the mounting plate. The rearward end of the hose support arm is adapted to have the hoses secured thereto.

Abstract: A hitch system for automatically hitching a tractor to a trailing implement is provided. The hitch system may allow an operator that is in a cab of the tractor to remotely connect and electrical system and/or a hydraulic system of a tractor an implement to each other and to remotely secure a hitch pin that connects a tongue of the implement to a drawbar of the tractor. The hitch system may include implement and tractor connector bank assemblies that are respectively provided on the implement and tractor. The tractor connector bank assembly may be moveable in multiple directions for allowing the tractor connector bank assembly to be remotely controlled from the cab of the tractor to align and move into engagement with the implement connector bank assembly.

Abstract: A powered coupling system is configured to interconnect utility lines such as fluid and/or electric lines of a vehicle tractor to a trailer. A curved track is mounted to a frame of the tractor, and the system includes pneumatic and/or electrical connectors that move along the curved track to align the connectors with a corresponding connectors on a trailer. A linear actuator causes the connectors on the tractor to shift vertically to connect and disconnect the connectors on the tractor to connectors on the trailer. The curved track permits alignment of the connectors on the tractor with the connectors on the trailer even if the trailer is not in a straight line with the tractor.

Abstract: A tractor and trailer combination including a tractor having a tractor frame, a supply unit, a trailer coupling, a skid plate, and a first connector coupled to the tractor frame and coupled to the supply unit to receive at least one of high voltage electrical power and coolant from the supply unit. The combination also includes a trailer having a trailer frame, a tractor coupling rotatably connecting the trailer to the tractor, and a second connector coupled to the trailer and configured to provide the at least one of high voltage electrical power and coolant to the trailer. The combination further includes a conduit having a first end coupled to the first connector, a second end coupled to the second connector. The conduit flexes and is supported between the first and second ends by the skid plate throughout rotation of the trailer relative to the tractor.

Abstract: Systems and methods for connecting a power supply of a tow vehicle to a trailer are disclosed. The systems may comprise a connector plate coupled to the trailer. In various embodiments, the connector plate may be coupled to a hitching pin of the trailer or adjacent to the hitching pin of the trailer. The connector plate may define a curvilinear slot that receives a connector suite component supporting a plurality of trailer connectors. The curvilinear slot may allow the trailer connectors to rotate with respect to the connector plate.

Abstract: Upper coupler assemblies for mounting coupling devices to trailers, and methods for inspecting upper coupler assemblies. The upper coupler assemblies include a housing having first and second members that define a cavity therebetween. At least the second member has a through-hole adapted to receive a coupling device, such as a kingpin. The cavity contains at least one fluid-tight chamber, more preferably multiple gas-tight and liquid-tight chambers by walls within the cavity. The coupler assembly has at least one fluid inlet for introducing and/or withdrawing a fluid (liquid and/or gas) from one or more of the chambers. The integrity of the upper coupler assembly can be evaluated by introducing or removing a gas from the one or more chambers and detecting the presence of any gas leaks in the one or more chambers.

Abstract: A system for braking a trailer being coupled to a pulling vehicle by means of a coupling device, comprising a supply circuit on the pulling vehicle side, and a brake circuit on the trailer side, wherein the brake circuit is removably attached to the supply circuit by means of at least one plug-in coupling. The invention is based on the object of providing a system for braking a trailer, wherein the risk of an uncontrolled vehicle movement, at least of the trailer vehicle, is reduced. The problem is solved according to the invention by means of a system wherein disposed within the brake circuit is a ventilation valve that can be remotely controlled by the pulling vehicle.

Abstract: A tractor and trailer combination including a tractor having a tractor frame, a supply unit, a trailer coupling, a skid plate, and a first connector coupled to the tractor frame and coupled to the supply unit to receive at least one of high voltage electrical power and coolant from the supply unit. The combination also includes a trailer having a trailer frame, a tractor coupling rotatably connecting the trailer to the tractor, and a second connector coupled to the trailer and configured to provide the at least one of high voltage electrical power and coolant to the trailer. The combination further includes a conduit having a first end coupled to the first connector, a second end coupled to the second connector. The conduit flexes and is supported between the first and second ends by the skid plate throughout rotation of the trailer relative to the tractor.

Abstract: An external line connection for a semitrailer of a semitrailer truck, comprising a frame structure having a skid plate closing off the underside, on which plate a king pin is arranged, and a connector bracket, arranged to be swivelable about the king pin, at least one line section being led out of said bracket and being connectable to a power supply system of the semitrailer. The aim of the invention is to provide a low-wear external line connection from the connector bracket to the semitrailer. For this purpose, the connector bracket of the external line connection acts upon a turntable which is swivelably received on the skid plate. At least one line section is led out from the top of the turntable and rests on both sides of the turntable in subsections, the subsections being maintained under tensile stress via a prestressing device.

Abstract: Embodiments of the present disclosure generally provide systems and methods for connecting a power supply of a tow vehicle to a trailer. The system includes a connector plate that may be configured to be coupled to a hitching member. The connector plate may define a curvilinear slot that may be configured to receive a first connector. The curvilinear slot may allow the connector plate to rotate with respect to the first connector. A retention spring may be configured to be coupled to the first connector and the connector plate. In certain embodiments, the hitching member may be a downward extending member of a gooseneck trailer. In other embodiments, the hitching member may be a tongue of a fifth wheel trailer.

Abstract: A coupler head of a coupling device for mechanically connecting two units is provided. The coupler head comprises at least one coupler lock to form a mechanical connection with a coupler lock of a counter-coupler head, and an electrical contact coupling for the coupling of at least one electrical line between the coupler head and the counter-coupler head. The coupler head further comprises a base body to which the coupler lock and the electrical contact coupling are mounted, so as to enable the coupler head to be universally applicable for a plurality of applications and in particular for it to be operated as low-maintenance as possible. A coupler head housing accommodates the base body with the at least one coupler lock and electrical contact coupling. The base body further comprises a linkage to which a coupling shaft is articulated so as to be pivotable in a horizontal and/or vertical plane.

Abstract: A coupling system for connecting supply lines between a trailer and a tractor vehicle, with a socket which is arranged on the tractor vehicle and a support element, having a plug, which is arranged on the trailer. The invention is based on the problem of providing a robustly operating coupling system in which an automatic connection of all of the provided supply lines is possible. The problem is solved by a coupling system in which the socket is arranged in a positionally fixed manner on the tractor vehicle, the plug is guided in a laterally moveable manner in the support element, and the plug can be placed into a connecting position with the socket by an actuator which is arranged on the tractor vehicle.

Abstract: The invention relates, inter alia, to a connector bracket for a semitrailer of a semitrailer truck. Said connector bracket comprises a support element which can be swiveled about a bearing and a connector arranged inside the support element, the support element having a casing frame with a section that is complementary to an insertion opening of a fifth wheel. The aim of the invention is to provide a connector bracket or a plug-in coupling which is highly reliable even under adverse external conditions. This aim is achieved, inter alia, by the connector bracket according to the invention, wherein the casing frame can be displaced in relation to the connector by contact with the insertion opening, thereby displacing the connector from a closed standby position to an open coupling position.

Abstract: A connector bracket for a trailer vehicle of a tractor trailer, having a support frame which can swivel on a bearing about a coupling means and a connector arranged stationary on the support frame. A connector bracket on the trailer was needed that lessens the risk of damage to the connector from components of the tractor. A connector bracket is provided in which the connector is at least partly covered by the coupling in the lengthwise axis of the vehicle and a guide ramp is formed in front of the connector and tilting toward the connector at least during the coupling process.

Abstract: The invention relates, inter alia, to a connector bracket for a semitrailer of a semitrailer truck. Said connector bracket comprises a support element which can be swiveled about a bearing and a connector arranged inside the support element, the support element having a casing frame with a section that is complementary to an insertion opening of a fifth wheel. The aim of the invention is to provide a connector bracket or a plug-in coupling which is highly reliable even under adverse external conditions. This aim is achieved, inter alia, by the connector bracket according to the invention, wherein the casing frame can be displaced in relation to the connector by contact with the insertion opening, thereby displacing the connector from a closed standby position to an open coupling position.

Abstract: An air brake connection system includes a tractor fitting (18) and a trailer fitting (5). A hose (8) has fittings (21, 11) at its opposite ends that are uncouplably connectable to the tractor fitting (18) and to the trailer fitting (5). Each tractor fitting (18, 19) may incorporate a self-sealing valve. In use, if an air hose fails, it can be simply uncoupled from both tractor and trailer and replaced with a spare hose.

Abstract: A system for braking a trailer being coupled to a pulling vehicle by means of a coupling device, comprising a supply circuit on the pulling vehicle side, and a brake circuit on the trailer side, wherein the brake circuit is removably attached to the supply circuit by means of at least one plug-in coupling. The invention is based on the object of providing a system for braking a trailer, wherein the risk of an uncontrolled vehicle movement, at least of the trailer vehicle, is reduced. The problem is solved according to the invention by means of a system wherein disposed within the brake circuit is a ventilation valve that can be remotely controlled by the pulling vehicle.

Abstract: A powered coupling system is configured to interconnect utility lines such as fluid and/or electric lines of a vehicle tractor to a trailer. A curved track is mounted to a frame of the tractor, and the system includes pneumatic and/or electrical connectors that move along the curved track to align the connectors with a corresponding connectors on a trailer. A linear actuator causes the connectors on the tractor to shift vertically to connect and disconnect the connectors on the tractor to connectors on the trailer. The curved track permits alignment of the connectors on the tractor with the connectors on the trailer even if the trailer is not in a straight line with the tractor.

Abstract: A system for connecting supply lines between a tractive vehicle and a semi-trailer that can be coupled to the latter, a semi-trailer coupling and an automatic line coupling system comprising at least one connector jack being situated on the tractive vehicle and the semi-trailer having at least one supply circuit comprising a first supply console for connecting to the tractive vehicle and for receiving a plug-in element that is located on at least one supply line of the tractive vehicle and/or a plug that is configured to fit the connector jack. The aim of the invention is to provide a system for connecting supply lines for tractive vehicles, comprising an automatic line coupling system that permits the coupling of conventional semi-trailers. To achieve this, a second supply console is located on the tractive vehicle and is permanently connected to the connector jack of the line coupling system and the plug-in element can be selectively connected to the first or second supply console.

Abstract: An NH3 applicator implement is equipped with a hitch arrangement for automatically effecting a connection with a tongue of an NH3 nurse tank wagon. A quick-connect coupler assembly is provided for connecting the transfer hose of the nurse tank wagon to the supply hose of the implement. The quick-connect coupler assembly includes a first coupler section mounted to the applicator implement for powered, guided movement into engagement with a second coupler section mounted to the tongue of the nurse tank wagon. An electro-hydraulic control system including relay logic is used to first lock the fully coupled coupler sections together and then to engage the flow of NH3 by remote actuation of a main on/off valve located at the nurse tank.

Abstract: The invention relates to a coupling system for connecting at least one supply line between a towing vehicle and a trailer, the first end of said at least one supply line being attached to the towing vehicle in a fixed manner, and the second end thereof comprising a connector that can be connected to a supply line interface of the trailer. The aim of the invention is to provide a coupling system for the supply lines, by which means a complicated operation between the trailer and the driver's cab of the towing vehicle is avoided. To this end, a coupling system is provided, whereby the supply line interface can be displaced out of a traveling position into an operating position.

Abstract: A method for the transmission of electrical, pneumatic, or hydraulic energy between a first vehicle and a second vehicle, coupled thereto, for example a tractor vehicle and a trailer and an energy transmission system. The aim of the invention is development of a method and an energy transmission system permitting an operationally-secure driving condition over a long period even with a partly or completely damaged plug coupling system. Said aim is achieved by means of, amongst other things, a method whereby the energy in the energy distribution line is introduced from the energy supply line in a controlled manner.

Abstract: A remotely releasable brake hose coupler for pressure fluid operated brake systems, such as on a motor truck and semi-trailer unit, and a retrieval mechanism for retrieving flexible hoses connected to the coupler. Pressure air from the truck tractor brake system is conducted through a valve to an actuator for effecting movement of a coupler member to release engagement with a corresponding coupler fitting mounted on a trailer. One or more air brake hoses connected to respective remotely releasable couplers are connected to tensioning mechanisms and to a movable boom mounted on the truck tractor for extending the hoses during a remote release operation and then retracting the hoses and couplers to a stored position when the remotely releasable couplers are disconnected from the trailer fittings.