Abstract: Some aspects include a ski binding system using controllable electromagnets, alone or in combination with permanent magnets, as means of attaching or releasing a ski boot to a ski during use. Some aspects include a ski binding system using a controllable solenoid. In some aspects, microprocessor-based control releases binding electronically based on input from sensors located in binding, ski and/or boot, as well as in other equipment or clothing connected to them or to skier, or binding releases when a mechanical threshold is overcome. In some aspects, sensor data are recorded for analysis of system performance and for adjustment and improvement of system parameters based on data analytics.

Abstract: Coupling assembly between a footwear and a sport equipment comprising at least one housing on the footwear near the sole suitable for receiving a first metallic element, a binding, on the sport equipment, provided with a seat for the insertion of the footwear, the binding being equipped with at least a second metallic element positioned in the seat, the first or the second metal element being an electromagnet, which when activated is magnetically bound to the other element.

Abstract: Some aspects include a ski binding system using controllable electromagnets, alone or in combination with permanent magnets, as means of attaching or releasing a ski boot to a ski during use. Some aspects include a ski binding system using a controllable solenoid. In some aspects, microprocessor-based control releases binding electronically based on input from sensors located in binding, ski and/or boot, as well as in other equipment or clothing connected to them or to skier, or binding releases when a mechanical threshold is overcome. In some aspects, sensor data are recorded for analysis of system performance and for adjustment and improvement of system parameters based on data analytics.

Abstract: Disclosed is an electric surfboard that can determine whether or not a user is on board while the surfboard is working, and if not, can stop operation of the surfboard, and that can naturally cool heat generated from a control unit and a motor unit. The electric surfboard includes a surfboard housing, foot bindings which are put on a user, a step-out detecting unit for creating a magnetic field and attracted to the housing by a magnetic force, as well as being physically coupled to an ankle strap, in which if the user steps out of the surfboard, the step-out detecting unit being detached from the housing, thereby detecting step-out of the user, and a control unit receiving a step-out detecting signal outputted from the step-out detecting unit to send a signal for stopping operation of the surfboard.

Abstract: A mounting system for a binding or a binding component on a cross-country ski includes a mounting plate that is arranged on the top surface of the cross-country ski. The mounting plate comprises longitudinal side edges having a profile with undercuts for longitudinal positioning and attachment of the binding or binding component with the aid of a complementary profile on the binding or binding component. The mounting plate comprises a longitudinal channel that houses a longitudinal rail. The upper side of the longitudinal rail comprises at least one locking device. The underside of the binding or binding component comprises at least one complementary locking device.

Abstract: Exemplary embodiments are directed to a pedal for a bicycle that includes a body, a spindle rotatably secured to the body and for connection with the bicycle, a first magnetic platter non-rotatably secured within the body, and a second magnetic platter rotatably secured within the body and overlaying the first magnetic platter. The first and second magnetic platters each include two magnetic blocks that are separated and magnetically charged by a respective permanent magnet plate positioned therebetween. The second magnetic platter includes a keyed protrusion configured to be engaged by a ferrous metal cleat, which can rotate the second magnetic platter between a first position where the pedal is in a magnetically inactive state and a second position where the pedal is in a magnetically active state magnetically securing the cleat to the second magnetic platter.

Abstract: Systems and methods for sensing and monitoring various athletic performance metrics, e.g., during the course of a game, a practice, a training session, training drills, and the like, are described. These systems and methods can provide useful metrics for players and coaches relating to athletic performances in various sports, including various team sports.

Abstract: The invention relates to the systems for ensuring the safety of an individual, particularly in case of avalanche or other emergencies when snowboarding. The system for jettisoning a snowboard consists of a signaling device comprising a wireless transmitting module, a contact connected to an initiating lever, current source and equipment release modules. Each equipment release module which is arranged on a corresponding strap (rear strap, or on each of the straps) of the snowboard binding consists of the wireless receiving module, a replaceable pyrotechnic element and a current source. Each replaceable pyrotechnical element is an integral part of the strap (rear strap) of the snowboard binding, the latter constituting a plastic band which consists of two parts and is connected by a rod according to the swivel hinge principle.

Abstract: An apparatus for a board binding system. A board can include a channel that includes the a first magnet. A plurality of caps can be affixed to the board, separated by a distance capable of holding a binding assembly. An adjusting plate can be affixed to the binding assembly. The adjusting plate can secure the binding assembly to the board via engagement with the plurality of caps. The binding assembly can include a second magnet. The binding assembly can be configured to dock or undock with the plurality of caps by arranging the second magnet above the first magnet and rotating the binding assembly.

Abstract: A ski or snowboard having an interface power source is provided. The power source uses reverse electrowetting technology to generate a charge to power devices connected to the interface. The power source includes a flexible, non-conductive substrate having a first side and a second side opposite the first side with a channel between the first and second sides. Electrodes are arranged about the channel in a predefined pattern. A liquid is contained in the channel. The liquid includes a dielectric liquid and a conductive liquid that do not mix. The electric change is generated by moving the liquid back and forth across the electrodes. The force to pump or move the liquid is provided by motion of the ski or snowboard.

Abstract: A binding for board sports has at least a portion of a first layer of a surface. At least a portion of a second layer is configured to dock with the first layer. A locking mechanism is configured to prevent the second layer from undocking with the first layer in response to the second layer moving in a first direction when the first layer is docked with the second layer.

Abstract: An apparatus for facilitation selective rotation of a sportboard binding relative to a sportboard interposed between the binding and the sportboard. An electro-magnetically actuated locking mechanism controls the rotation of a retaining ring assembly relative to a bottom capture plate and a top plate assembly. The bottom capture plate is attached to the sportboard. The retaining ring assembly is attached to the binding by teeth on an outer perimeter thereof. One or more pairs of diametrically opposed ferromagnetic inserts placed in the retaining ring assembly define specific angular positions at which the binding may be locked. An external power source (e.g., a battery) is connected to the electro-magnetically actuated locking mechanism via a switch adapted to be operated by a rider of the sportboard such that the rider can selectively control the locking and unlocking of the mechanism to allow rotation of the binding as desired.

Abstract: An apparatus for facilitation selective rotation of a sportboard binding relative to a sportboard interposed between the binding and the sportboard. An electro-magnetically actuated locking mechanism controls the rotation of a retaining ring assembly relative to a bottom capture plate and a top plate assembly. The bottom capture plate is attached to the sportboard. The retaining ring assembly is attached to the binding by teeth on an outer perimeter thereof. One or more pairs of diametrically opposed ferromagnetic inserts placed in the retaining ring assembly define specific angular positions at which the binding may be locked. An external power source (e.g., a battery) is connected to the electro-magnetically actuated locking mechanism via a switch adapted to be operated by a rider of the sportboard such that he or she can selectively control the locking and unlocking of the mechanism to allow rotation of the binding as desired.

Abstract: A snowboard binding comprises two assemblies that are capable of being mated or docked with each other and locked together while the snowboard is in use. One of the assemblies may be affixed to the deck of the snowboard. In an embodiment of the invention, the other assembly may be secured, e.g., to the user's boot, and in an embodiment of the invention, the features of the other assembly that support docking and locking of the assemblies may be incorporated into a boot. Either or both assemblies may comprise one or more permanent magnets configured to assist docking by attracting the assemblies to one another in a manner that encourages them to dock in a proper configuration. In embodiments of the invention, locking the docked assemblies together may be achieved without use of the hands.

Abstract: An article, such as an alpine or cross-country binding, provided to be associated with a sports apparatus, such as a ski, the article including a control mechanism movable between at least two positions. The control mechanism includes an arrangement for attracting an actuating member, such as the end of a ski pole, that is separate from the article.

Abstract: One embodiment of the present invention sets forth a temporary binding apparatus for binding a snowboard boot to a snowboard. A magnetic element is affixed to the snowboard and a permeable element is affixed to the snowboard boot. The magnetic element and permeable element are configured to develop a binding force that is a function of a rotation angle between the magnetic element and permeable element. In an engaged configuration, the permeable element is aligned with the magnetic element and the binding force should be sufficient to enable a snowboarder to readily perform certain simple maneuvers, such as dismounting a chairlift. A pivot means is formed by joining the permeable element and magnetic element. The pivot means enables the snowboarder to easily rotate the permeable element into misalignment with the magnetic element, thus decreasing the binding force and enabling easy detachment of the snowboard boot from the snowboard.

Abstract: A sports board binding and foot traction apparatus for use in sports boards such as surfboard, skateboard, wakeboards, and the like. The apparatus includes a sports board having a deck and a bottom and at least one cutout box disposed in one or both of the deck and bottom. One or more permanent magnets is disposed and retained in one or more of the cutout boxes to form a magnetic region on the deck of the board. An article of sports footwear having a sole is provided, and a ferromagnetic plate is disposed in at lest a portion of each footwear sole. When the footwear is brought into proximity with the magnetic field, a binding force is applied to the footwear and the wearer is thereby enabled to manipulate the sports board in ways not possible without the inventive apparatus.

Abstract: A footwear (e.g., bike shoe, snow ski boot, snowboard boot, wakeboard boot, water ski boot, work boot) is described herein that incorporates correlated magnets which enable a person who has their foot placed within the footwear to attach or remove the footwear to or from a corresponding device (e.g., bike pedal, snow ski, snowboard, wakeboard, water ski, or work platform) which also incorporates correlated magnets.

Abstract: This invention describes a magnetic boot binding for snowboards. The magnetic boot binding secures a person onto a snowboard by magnetically holding the persons snowboard boots onto the snowboard. The magnetic binding utilizes hard magnets, electromagnets and/or other magnetic materials imbedded into or physically attached to the snowboard and/or the boots. If an electromagnet is used it can be electronically controlled by a remote controller to apply magnetic force, apply varying amount of magnetic force, and to release the magnetic force for quick releasing.

Abstract: A sports board binding and foot traction apparatus for use in sports boards such as surfboard, skateboard, wakeboards, and the like. The apparatus includes a sports board having a deck and a bottom and at least one cutout box disposed in one or both of the deck and bottom. One or more permanent magnets is disposed and retained in one or more of the cutout boxes to form a magnetic region on the deck of the board. An article of sports footwear having a sole is provided, and a ferromagnetic plate is disposed in at lest a portion of each footwear sole. When the footwear is brought into proximity with the magnetic field, a binding force is applied to the footwear and the wearer is thereby enabled to manipulate the sports board in ways not possible without the inventive apparatus.

Abstract: A fastening system that quickly and temporarily fastens a boot to the side of a binding of a snowboard, comprising a first fastening element on an outer side surface of a binding of a snowboard, and a second fastening element on an outer side surface of a snowboarding boot configured for use with the binding, the fastening elements arranged so that the second fastening element makes a fastening contact with the first fastening element when the boot is placed on the snowboard adjacent to but not in the binding. A method of using the fastening system is also described.

Abstract: Magnetic circuit that has (a) a source of magnetic flux which includes an electromagnet or one or more permanent magnets, (b) at least two oppositely polarisable pole extension bodies associated with the magnetic flux source, the bodies being disc, wheel, roller or similarly shaped with an outer circumferential surface and held rotatable about respective axes of rotation, and (c) a ferromagnetic counter body which is arranged to cooperate with the pole extension bodies such as to provide an external flux path for the magnetic flux when in magnetic proximity or contact with the circumferential surface of the pole extension bodies, which is characterised in that the magnetic flux source is held stationary relative to the rotatable pole extension bodies.

Abstract: A safety binding device for binding a boot on an alpine ski including a releasable retaining mechanism of the mechanical, hydraulic, viscoelastic type, which actuate a release as a function of the forces to which the boot is subjected and as a function of the duration ?t of the application of such forces. The release action occurs as soon as the magnitude of the force is greater than an actual release threshold, Sr, which is dependent upon the duration ?t of the application of force, such that if duration is greater than one second, the actual release threshold is between 50% and 75% of the theoretical release threshold, St, whereby: ?t>1 s; 0.75×St?Sr(?t)?0.5×St, with the theoretical release threshold St being determined as a function of the skier's parameters in conformance with ISO standards.

Abstract: The invention relates to a coupling device (1) between a sports shoe (2) and sports device (3), with a toe piece (5) and a heel piece (6) and a brake device (7) mounted between the latter for the sports device (3), with a longitudinal guide (9, 10) mounted on the surface (8) of the sports device (3) for the heel piece (6), in which the heel piece (6) is guided laterally and vertically in dimensions perpendicular to the longitudinal direction. The brake device (7) is provided with guiding elements (14, 15) that can engage in the guiding track (12, 13) of the longitudinal guide (9, 10) and between the brake device (7) and the heel piece (6), a longitudinal coupling device (19) is arranged for mobile connection with the heel piece (6) and the brake device (7) is guided in a play-free manner exclusively by the guiding track (12, 13) in all dimensions running perpendicular to the longitudinal direction of the guiding track (12, 13).

Abstract: A sports board binding and foot traction apparatus for use in sports boards such as surfboard, skateboard, wakeboards, and the like. The apparatus includes a sports board having a deck and a bottom and at least one cutout box disposed in one or both of the deck and bottom. One or more permanent magnets is disposed and retained in one or more of the cutout boxes to form a magnetic region on the deck of the board. An article of sports footwear having a sole is provided, and a ferromagnetic plate is disposed in at lest a portion of each footwear sole. When the footwear is brought into proximity with the magnetic field, a binding force is applied to the footwear and the wearer is thereby enabled to manipulate the sports board in ways not possible without the inventive apparatus.

Abstract: An article, such as an alpine or cross-country binding, provided to be associated with a sports apparatus, such as a ski, the article including a control mechanism movable between at least two positions. The control mechanism includes an arrangement for attracting an actuating member, such as the end of a ski pole, that is separate from the article.

Abstract: A sports board binding and foot traction apparatus for use in sports boards such as surfboard, skateboard, wakeboards, and the like. The apparatus includes a sports board having an upper surface and at least one magnet holding receptable disposed in the upper surface; A a ferromagnetic bar is disposed under the bottom of the magnet holding receptacles, and permanent magnets are placed in the receptacles to form a magnetic region on the surface of the board. An article of sports footwear having a sole is provided, and a ferromagnetic plate is disposed in at lest a portion of the footwear soles. When the footwear is brought into proximity with the magnetic field, a binding force is applied to the footwear.

Abstract: A contact system for a sport board allows a rider to maintain contact between her feet and the sport board while performing aerial maneuvers. The boarder wears magnetic footwear such as a bootie (for surfing), sheath (for surfing), or shoe (for skateboarding) with an affixed magnet. The board has a contact patch that includes a plate of ferrous metal or another magnet oriented such that it attracts the magnetic footwear. The contact patch is positioned such that it will be stood on by the boarder. During normal boarding and aerial maneuvers, magnetic attractive forces between the footwear and the contact patch will maintain contact between the boarder's feet and the board. However, when the boarder falls, the magnetic attractive forces do not bind the boarder's feet to the board.

Abstract: The present invention relates to an improved telemark ski binding. More particularly, the present invention relates to a dual front cable under-foot telemark binding. The two front cables attach to a linkage point within the toe receiving portion. The front cables are also designed to be easily replaceable by a consumer thereby extending the overall lifespan of the binding. In addition, the coupling between the two front cables and the resistance mechanism cartridges includes a unique rotational and lateral chalking mechanism that prevents inadvertent adjustment.

Abstract: An assembly for retaining a boot on a gliding board having a release block with at least one jaw for retaining a member for fastening the boot, the jaw being movable between a closed position in which it retains the fastening member and an open position in which it releases the fastening member, the jaw being maintained in the closed position by a movable latch. The movement of the latch is controlled by a source of pneumatic energy, with the exclusion of any other energy.

Abstract: A universal snow boot and binding for use in connection with either snow skiing or snow boarding which is easy to use and provides quick, easy and positive interconnection of the snow boot with the upper surface of the ski or snow-board. A unique feature of the invention is to use magnetic forces in cooperation with a novel mechanical locking mechanism to removably affix the snow boot to the ski or snowboard.

Abstract: Downhill ski bindings are mounted with the toe and/or heel piece mounted to a moveable track. For a quick release even backward, a ski pole handle button is depressed. A signal reaches a receiver on the ski. The receiver activates an actuator which pulls the track, thereby enlarging a mounting distance for the boot. The boot is released since the binding system is instantly sized too big for the boot. Gas and spring release mechanisms are disclosed. Sound making sub-systems are disclosed. Pivoting heel mounting plates are disclosed.

Abstract: The combination of a binding and boot is provided. The binding has a pair of pistons (7, 8) extending under the boot. Each piston is stressed by a spring (14, 15). The arms of a sole clamp (2, 3) act on these pistons. The pistons are connected together by a linking device (20). The combination magnetically controls the linking device which is capable of occupying a first position, in which the pistons arc secured by the linking device, and a second position in which one of the pistons is able to move on its own, at least over a certain travel common to the two pistons. The combination thus provides asymmetrical release resistance.

Abstract: A snowboard or snowskate having ferrous metal plates inlaid into the top surface is attracted to magnet housing assemblies embedded in the soles of the rider's boots. The magnet housing assemblies increase the strength of the magnets housed within them to a point sufficient to overcome the strong G forces induced from the sudden upward thrust of the rider's legs during an airborne maneuver.

Abstract: A universal snow boot and binding for use in connection with either snow skiing or snow boarding which is easy to use and provides quick, easy and positive interconnection of the snow boot with the upper surface of the ski or snow-board. A unique feature of the invention is to use magnetic forces in cooperation with a novel mechanical locking mechanism to removably affix the snow boot to the ski or snowboard.

Abstract: There is disclosed herein relatively simple locking devices for sporting items such snowboards and the like. In one form of the locking device, the same includes a member which can be affixed to a binding of a snowboard, and includes a releasable cable which can be wrapped around a fixed or stationary object so as to secure the sporting item thereto for safe storage. In one embodiment, the cable is normally retained in a flanged section of a pad of the locking system, but can be released therefrom for attachment to the fixed or stationery object. In another embodiment, the cable can be retained around a boot binding assembly.

Abstract: The binding comprises a pair of pistons (7, 8) extending under the boot and each stressed by a spring (14, 15). The arms of a sole clamp (2, 3) act on these pistons. The pistons are connected together by a linking means (20), and the binding comprises means (24, 25) for controlling the linking means, capable of occupying a first position, in which the pistons are secured by the linking means, and a second position in which one of the pistons is able to move on its own, at least over a certain travel common to the two pistons. The control means (24, 25) are controlled magnetically by the boot so as to obtain a binding with asymmetrical release resistance.

Abstract: A binding, comprises a pair of jaws (7,8) which can be moved apart from one another laterally while pushing back a cam (13) acted on by springs (19) and additional holding means, such as a jaw (21) located in front of or behind the lateral jaws and capable of tilting, preferably about a swivel, s against the action of the springs. The binding is intended to receive a part (2) integrated with the sole of the boot. The binding further comprises a lever for intentional boot release (24).

Abstract: Binding apparatus for use with an item of sports equipment, including a first part adapted for attachment to an article of footwear and a second part adapted for attachment to the item of sports equipment. The second part includes a protuberance. The first part is a housing adapted to be mounted in the sole of the article of footwear, and includes a recess adapted to receive the protuberance. The first and second parts have complementary securing parts for releasably securing the protuberance in the recess when the protuberance reaches a predetermined engagement therein for sideways pivoting movement of the article of footwear relative to the item of sports equipment. The recess has a substantially cylindrical face generally perpendicular to the sole of the article of footwear, and a lower opening defined by an inner lip for receiving the protuberance therethrough.

Abstract: A universal snow boot and binding for use in connection with either snow skiing of snow-boarding which is easy to use and provides quick, easy and positive interconnection of the snow boot with the upper surface of the ski or snow-board. Uniquely only magnetic forces are used to affix the snow boot to the ski or snow-board.

Abstract: An electric ski binding system with magnetic interfaces and a microprocessor achieves releasable engagement of a ski boot to ski bindings. A permanent magnet in the front ski binding and a permanent magnet of opposite polarity in the toe portion of the boot create a front magnetic interface. A permanent magnet in the rear ski binding and a permanent magnet of opposite polarity in the heel portion of the boot create a rear magnetic interface. Electromagnets in the proximity of the front and rear magnetic interfaces are disposed so that their polarity opposes the permanent magnets of the boot. The electromagnets are turned off while the boot is engaged with the ski binding to allow the permanent magnets to couple at the front and rear magnetic interfaces. The electromagnets are operated when disengaging the boot from the ski binding to create a magnetic field substantially greater than that of the permanent magnets in the front and rear magnetic interfaces.

Abstract: A universal snow boot and binding for use in connection with either snow skiing of snow-boarding which is easy to use and provides quick, easy and positive interconnection of the snow boot with the upper surface of the ski or snow-board. Uniquely only magnetic forces are used to affix the snow boot to the ski or snow-board.

Abstract: A vehicle suspension system (110) having a primary suspension system (112) and a secondary suspension system (114). Vertical motion of a vehicle wheel (120) places a force on the vehicle frame (126) which, in turn, places a force on the vehicle body (124). The secondary suspension system (114) translates the relative motion between the wheel (120) and frame (126) into a force on the vehicle body (124) which is equal and opposite to the force transmitted from the frame (126) to the body (124). A frictional shock absorber (300) is utilized in the suspension system (110) as well as a multi-stage coil spring (400).

Abstract: Disclosed herein is a vehicle including a frame, and a stabilizer apparatus including a pressure source, first and second fluid-actuated stabilizer assemblies connected respectively to the front and rear axles shiftably moveable on the frame, one of the first and second stabilizer assemblies normally being locked against extension and contraction in the absence of pressurization thereof by the pressure source, and the other of the first and second stabilizer assemblies normally being free to extend and contract in the absence of pressurization thereof by the pressure source, hydraulic circuit connected between the pressure source and the first and second fluid activated stabilizer assemblies and including flow controller operable between a first mode wherein the pressure source is disconnected from the first and second stabilizer assemblies, whereby the one of the stabilizer assemblies is locked against extension and retraction, thereby locking the axle connected thereto against shifting movement relative to

Abstract: An all-terrain vehicle including centrally pivoted bogies on opposite sides of the vehicle body, a primary yoke mounted on the vehicle body and extending crosswise to the vehicle body for coupling the bogies to each other, a secondary yoke mounted on the vehicle body and connected to the vehicle body by hydraulic cylinders at opposite ends thereof, and a selectively actuatable clutch for coupling the secondary yoke to the primary yoke so as to cause the hydraulic cylinders to drive both yokes a desired amount to positively move the bogies to a desired position, and hydraulic circuitry coupled to the hydraulic cylinders for applying a pulsating action to the bogies which is transmitted to the vehicle wheels mounted on opposite ends of the bogies for increasing traction of the wheels on surfaces such as snow, ice, mud and sand.

Abstract: A system for damping and/or stiffening a ski having a damping member and a stiffening member which are engageable and disengageable through the operation of a switch member. The switch member is engaged by a change in a threshold condition, such as a shift in the skier's weight during skiing. Engagement of the switch member engages the damping member and/or stiffening member. The system maintains the damping member and/or stiffening member in a disengaged condition until the skier commences a turn, engages the damping member and/or the stiffening member during the turn, and disengages the damping member and/or the stiffening member once the turn is completed.

Abstract: The present invention relates to a levelling system for motor vehicles which allows the shaft that hinges a truck body or other loading surface defining a loading structure, to an auxiliary frame defining, or forming part of, the vehicle's supporting structure, to remain horizontal so as to enable the body or loading surface to be used effectively; the levelling system basically includes a device for detecting the inclination of the hinge shaft to the horizontal and a mechanism for adjusting the inclination consisting of a bracket or lever placed between the supporting structure and the loading structure, pivoted to a second shaft and operated on by at least two variable extension elements connected to the supporting structure and designed to vary the inclination of the latter in accordance with the readings of the detecting a mechanism.

Abstract: An electronically controlled safety binding opens in response to forces transmitted to a ski boot or a snowboard shoe. The safety binding opens when the transmitted forces exceed a threshold amount. To shorten time for opening the safety binding, the safety binding is provided with a piezoelectric crystal which triggers an ignition of an explosive charge. The explosive charge drives a bolt which causes the safety binding to open at a faster rate.

Abstract: The invention relates to an assembly of two retention elements of two boots of a skier on two skis. Each retention element has a retention jaw, a return spring of the jaw, a linkage for transmission of movement between the retention jaw and the spring, an adjustment mechanism acting on the transmission linkage to modify in a differential manner the release threshold of the jaw depending upon which it displaces from one side or the other with respect to its aligned position, a manipulation element adapted to be activated from the other retention element and to control the adjustment mechanism.

Abstract: A utility vehicle, such as a grape harvester (1), comprises a straddling frame (2), supported at its front and rear ends by double-acting hydraulic cylinders (17, 18 and 23, 24), which can be extended or retracted for levelling the frame (2). During horizontal or uphill travel, the rear cylinders (23, 24) are blocked for providing the vehicle (1) with a fixed rear axle (55), while the front cylinders (16, 17) are hydraulically interconnected in order to let them extend or retract in opposition to each other for providing the vehicle (1) with an oscillating front axle (56). During downhill travel the front cylinders (17, 18) are blocked for fixing said front axle (56) to the frame (2) and the rear cylinders (23, 24) are hydraulically interconnected for letting the rear axle (55) oscillate to the frame (2). The rear and front oscillation is controlled by an inclination sensor (91).