Abstract: A bar is designed for attaching a steering cylinder of a vehicle to a wheel axle. The bar is twisted around its longitudinal axis. The bar is manufactured by cutting out a rectangular plate of metallic material or of composite material, clamping the longitudinal ends of the cut-out plate, and pivoting one end or pivoting both ends in opposite directions, around a longitudinal axis of the plate.

Abstract: A omnidirectional vehicle includes a chassis, wheels and wheel steering mechanisms. The wheel steering mechanisms are configured between the chassis and the wheels, and are arranged to drive the wheels to rotate about a steering center shaft of each wheel with 180° or more. The omnidirectional vehicle can achieve longitudinal driving and lateral driving, or other driving manners.

Abstract: A zero-turn mower with selective steering control. The zero-turn mower includes a pair of front wheels having sprockets operably connected thereto, a drive gear rotatably disposed within a housing affixed to the mower frame, and a drive chain that couples the sprockets to the drive gear. A plate gear is slidably disposed on the frame. A pair of actuator arms bias the plate gear rearward to a first position. A pair of pedals can be depressed simultaneously to move the plate gear forward to a second position. When the plate gear is in the first position the drive gear is disengaged, and the front wheels may turn freely to any direction. When the plate gear is in the second position the drive gear engages, and the pedals allow the user to control the direction of the front wheels, allowing the mower to be safely utilized on sloped terrain.

Abstract: A robot assembly includes a drive system attached to a frame. The robot drive system includes a base platform, a driver motor base assembly attached to the platform and an adjustment device that adjustably attaches the base platform to the drive motor assembly. The robot frame includes a top horizontal beam assembly that defines a first rectangle, a bottom horizontal beam assembly that defines a second rectangle and a set of main support beams that join the first rectangle to the second rectangle to define a shape of an isosceles trapezoid.

Abstract: A vehicle front portion structure comprising: a dash panel that extends in a vehicle transverse direction at a front portion of a vehicle and that partitions a vehicle cabin interior and a vehicle cabin exterior; a protruding portion that is formed by making a center of the dash panel in the vehicle transverse direction protrude towards the front of the vehicle; and a deforming component that is disposed in a vehicle cabin exterior space in front of the protruding portion, and can be deformed by receiving an impact from the front of the vehicle.

Abstract: A vehicle including a base frame having three or more wheels; a steering system for steering one or more of the wheels; a propulsion system for driving at least one of the wheels; a front pivot member and a back pivot member longitudinally spaced apart from one another on the base frame; a cabin having a front pivot point and a back pivot point, the cabin being pivotally mounted to the base frame between the front pivot member and the back pivot member, the front and back pivot points defining a longitudinal rotational axis of the cabin that is above a center of gravity of the cabin, the cabin being rotatable around the longitudinal rotational axis in one of a clockwise or a counterclockwise direction; and a seat assembly in the cabin for sitting one or more users, the seat assembly being located below the rotational axis of the cabin.

Abstract: Chassis (21) comprising at least one wheel (26), and a plurality of side members (22, 23) each comprising an upper flange (32) and a lower flange (33) that extend in a longitudinal direction of the chassis (21). The chassis (21) comprises a centre flange (34) that is located between the upper flange (32) and the lower flange (33) and extends in the longitudinal direction of the chassis (21), and at least one cross member (24) that extends in a lateral direction of the chassis (21) which is connected between a centre flange (34) of a first side member (22) of the plurality of side members (22, 23) and a centre flange (34) of a second side member (23) of the plurality of side members (22, 23).

Abstract: A sidewall assembly for a trailer including: a plurality of composite sandwich panels; and at least one composite side post coupled to the plurality of composite sandwich panels, each of the at least one composite side post including an outer post and an inner logistics post coupled to the outer post, wherein the outer post is formed with flexible metallic material and the inner logistics post is formed with hard metallic material.

Abstract: A vehicle structure includes: a framework member; an outer panel disposed at the outer side of the framework member, and that configures a design face of the vehicle; a foamed member disposed as a reinforcing material between the framework member and the outer panel, and that is formed from a material foamed at a first temperature from a precursor state and then solidifies at a second temperature lower than the first temperature; and a reinforcement member that is interposed between the outer panel and the foamed member in a state in which the outer panel and the foamed member are respectively joined together so as to fix the foamed member to the outer panel, and that is configured from a material having a smaller shrinkage ratio than a shrinkage ratio of the foamed member when the temperature is lowered from the first temperature to the second temperature.

Abstract: Disclosed herein is a structure for mounting a heat exchanger in a vehicle. The structure includes a shroud, and a mount supporting a supported portion and allowing vertical vibrations of the supported portion with respect to each side of the shroud in a vehicle width direction. The supported portion is provided on each side of the heat exchanger in the vehicle width direction. The mount body of the mount is mounted in a mounting portion located higher than a fixed portion on the side of the shroud in the vehicle width direction. The fixed portion is fixed to a body member of the vehicle. A receiver supporting a lower surface of the mount body serves as the mounting portion. A fixing bracket for fixing the mount body to the side of the shroud is provided in front of or behind the mount body of the mount in the vehicle.

Abstract: Venting modules for vehicle compartment covers, methods for making and methods for using such venting modules, and motor vehicles with a vented compartment cover assembly are disclosed. Disclosed, for example, is a venting module for a vehicle compartment cover assembly. The compartment cover assembly includes a center panel and a closure panel, which mounts to a motor vehicle. The venting module includes an arcuate carrier frame that seats within a window of the closure panel and circumscribes most or all of the center panel. A support flange projects from the carrier frame and attaches to the center panel of the compartment cover assembly. An attachment tab projects from the carrier frame and attaches to the closure panel of the compartment cover assembly. A mesh screen is attached to the carrier frame. The mesh screen includes a lattice mesh structure with an interstice array having a predetermined thermal venting area.

Abstract: A mounting device for a sub-frame may include a mounting bracket positioned to correspond with a one side penetration opening formed at a front side inside member of the front side member, a reinforce panel provided to an upper surface of the front side inside member, a mounting bolt separated with a bolt part and a head by a flange which is positioned at a center thereof, joined to a circumference of a bolt opening of the mounting bracket through the flange on a state that the bolt part is inserted into the bolt opening of the mounting bracket, and joined on a state that the head is wedged through the penetration opening of the front side inside member to the welding opening of the reinforce panel, and a foam filler foamed by a heat treatment and filled in a space formed by the front side inside member, the mounting bracket, the reinforce panel, and a front side outside member.

Abstract: An attachment for connecting a chassis structure to a hollow beam of a body structure includes a tube nut, a bulkhead, and a bolt. The bulkhead has a cavity surface configured to conform to a cylindrical outer surface of the tube nut. The bulkhead is disposed within the hollow beam and is attached to at least two walls of the hollow beam and to the tube nut. A first portion of the cylindrical outer surface of the tube nut is disposed in close proximity to the cavity surface of the bulkhead. A bottom surface of the tube nut contacts an inner surface of a bottom wall of the hollow beam. The bolt extends from the chassis structure, through a hole formed in the bottom wall of the hollow beam, and into the tube nut to connect the chassis structure to the body structure. The attachment may include a second bulkhead.

Abstract: A work surface apparatus for a vehicle cargo area includes a tailgate including at least two panel-supporting posts adapted for translating between a stowed position and a substantially horizontal deployed position to hold a work surface and a cargo area extender configurable for supporting in a substantially planar configuration by the deployed at least two panel-supporting posts. The cargo area extender may be defined by a folding panel. The folding panel may be defined by hingedly connected sections and may be stowed within a portion of the tailgate.

Abstract: A work surface apparatus for a vehicle includes a tailgate having at least two panel-supporting posts adapted for translating between a stowed position and a substantially horizontal deployed position. A panel is included, configured to be supported in a substantially horizontal orientation by the deployed at least two panel-supporting posts. The panel may be a cargo area divider defined by hingedly connected sections.

Abstract: The invention relates to a vehicle (2), in particular a motor vehicle, which is equipped with a tailgate (8) which can be pivoted on the rear of the vehicle (14) by means of a pivoting device (10), around a pivoting axis (12) between a closed position, in which a loading surface (6) of the rear of the vehicle (14) is defined, and an open position in which the loading surface (6) of the rear side is open. In order to pivot the tailgate (8), the pivoting apparatus comprises (10) at least one pivoting arm (22, 22?) on which the tailgate (8) can be moved in a translatory manner and can be detachably held in place.

Abstract: A bearing arrangement for a driver's cab of a lorry is disclosed. The bearing arrangement has a respective frame-side bracket which is fastened to a laterally associated frame element of a support frame of the lorry and which has a guide, along which an allocated bearing element of a driver's cab bearing can be displaced in the event of an accident-induced application of force. The bearing element is connected to the laterally allocated frame element of the support frame via a weakening device by which the laterally allocated frame element of the support frame can be weakened in a targeted manner in the event of an accident-induced displacement of the bearing element.

Abstract: A vehicle includes a trailer, a tandem configured for attachment to the trailer, the tandem including at least a first axle having opposed left and right ends and at least one tire mounted to each of the left end and the right end, and a second axle rearward of the first axle and having opposed left and right ends and at least one tire mounted to each of the left end and the right end, and at least one forward air deflector mounted to the tandem forward of the tires of the first axle and being shaped so as to deflect air flow beneath the trailer laterally around the tires of the vehicle to reduce the aerodynamic drag of the vehicle.

Abstract: A vehicle or trailer assembly is disclosed comprising at least one fan positioned on an exterior of the vehicle or trailer, wherein the at least one fan redirects or accelerates air moving over, around, or through the exterior of the vehicle or trailer. Also disclosed is a fan assembly comprising a manifold configured to be positioned on an outside surface of a vehicle, along an axis transverse to a direction of travel of the vehicle. The fan assembly also includes a plurality of motorized fans rotatably mounted along the axis of the manifold, such that the motorized fans are configured to accelerate air passing along the outside surface or within an exterior of the vehicle, in the direction of travel of the vehicle.

Abstract: A dive-plane system for a vehicle includes first and second dive-planes. The vehicle includes a vehicle body having a first vehicle body end facing oncoming ambient airflow when the vehicle is in motion and first and second lateral body sides. The first dive-plane is mounted to the first lateral body side proximate the first body end to generate an aerodynamic downforce on the first body end at the first lateral body side. The second dive-plane is mounted to the second lateral body side proximate the first body end and configured to generate an aerodynamic downforce on the first body end at the second lateral body side. The dive-plane system also includes a mechanism configured to selectively and individually shift each of the first and second dive-planes relative to the vehicle body to adjust a magnitude of the aerodynamic downforce generated by each dive-plane on the first vehicle body end.

Abstract: Aerodynamic system for motor vehicle includes at least one vortex generator which generates a vortex by creating a periodic air jet able to be positioned downstream of at least one boundary layer separation region of at least one bodywork element of a vehicle, the boundary layer separation region generating a turbulent zone includes a shear layer and a main returning vortex, the vortex generator including at least one orientable nozzle able to generate vortices moving in a defined direction toward the shear layer and the main returning vortex, in a different plane from the shear layer.

Abstract: A vehicle having a power-source configured to propel the vehicle via power-source torque, a driven wheel configured to receive the power-source torque, and a vehicle body structure. The vehicle body structure includes a wheelhouse configured to extend over the driven wheel and also defines a locating feature. The vehicle further includes an integrated weight element configured to engage the locating feature and a fastener configured to fix the integrated weight element to the vehicle body structure either proximate to or directly to the wheelhouse. The vehicle can be configured as a truck, wherein the vehicle body structure includes a truck bed incorporating the wheelhouse and the integrated weight element.

Abstract: The invention provides a detachable traction system for track vehicles comprising a multiplicity of gripping bars each of which is bolted through a tread of a corresponding multiplicity of treads on each track of an endless track vehicle. The ice traction components include gripping bars each having a gripping surface comprising a patch of durable rough protrusive material. The mud or snow traction components include gripping bars each having a compression trough. In combination with the gripping bars being angled across their respective treads toward ensuring stability of steering and direction of travel of the vehicle, the tapering of the compression troughs reduces or eliminates clogging of the compression bars with mud or snow during travel thereby increasing performance through snowy, slushy, or semi-liquid terrain.

Abstract: A multi-piece roof assembly for a trailer includes: a first section configured with a sandwich panel having a convex shape; and at least one additional section configured with a flexible sheet panel coupled to the first section and to at least one top rail assembly.

Abstract: Sensing units, nut runners, and position adjusting members are provided for respective front end arms of a first position adjusting robot and a second position adjusting robot. First, the position of a vehicle body is determined by the sensing units of the first position adjusting robot and the second position adjusting robot. The first position adjusting robot and the second position adjusting robot move a front end module by the position adjusting members to a position where the front end module can move into an opening in a front part of the vehicle body, based on the positional information of the vehicle body.

Abstract: An anti-theft monitoring equipment and an anti-theft monitoring method thereof, and an anti-theft system for a two-wheeler or a tricycle are disclosed.

Abstract: A cycle comprising a cycle frame, a first saddle component, a first support component coupled to the first saddle component and to the cycle frame, wherein the first saddle component moves between an upper pedaling position and a lower pedaling position, a second saddle component, and a second support component coupled to the second saddle component and to the cycle frame, wherein the second saddle component moves between the upper pedaling position and the lower pedaling position, and the first saddle component and the second saddle component are configured to distribute a weight of a rider over a buttocks region and an upper leg region of the rider is shown. In one embodiment, the first saddle component and the second saddle component are ergonomically shaped to contour the rider's buttocks region and upper leg region.

Abstract: A seat post having a quill head with a top surface, a lower cradle rotatable with respect to the top surface about an axis (X), and an upper cradle, reciprocally coupled for clamping the saddle rails (R) of a bicycle. The seat post includes front and rear fasteners connecting the upper cradle to the quill head, and front and rear pivots in which the front and rear fastener are respectively engaged in order to adjust the rails (R) angle with respect to the quill head. The quill head includes front and rear seats in which the pivots are respectively rotationally engaged, the axes (Y,Z) of the pivots being displaced substantially at a same distance (D) from the axis (X), regardless of rails (R) angle adjustment; the top surface has a convex shape, the lower cradle includes a lower concave seat suitable to engage the top surface.

Abstract: The disclosure is directed to an illumination device for a ground-riding vehicle where combination of location of non-rotating light and transparent portions' configuration of the hubcap are configured to form penumbra of a predetermined pattern on an area adjacent to the ground-riding vehicle, to a predetermined size.

Abstract: Foldable electrical vehicles and related charging infrastructure are described. The foldable electrical vehicle generally includes three structural members (front and rear wheel-bearing structural members and a seat-bearing structural member) that are pivotally interconnected along their lengths such that they may be pivoted between a closed position wherein the three structural members are disposed roughly parallel to each other in a compact folded configuration, and an open riding configuration wherein an angular relation is formed between the structural members. The rear wheel-bearing structural member may comprise one or more foldable wheels pivotably interconnected thereto.

Abstract: A steering device, in particular for single-track vehicles, is provided. The steering device includes a support structure, an encapsulating casing which surrounds at least part of a surface of the support structure, and a vibration damper that is located within the encapsulating casing or between the encapsulating casing and the support structure.

Abstract: A bicycle operating device comprises a base member, an operating unit, and a support shaft. The operating unit includes a rotatable member rotatable relative to the base member about a first rotational axis to control a bicycle component. The operating unit has a first operating unit end supported by the base member and a second operating unit end opposite to the first operating unit end along the first rotational axis. The support shaft extends in a direction non-parallel to the first rotational axis and couples the second operating unit end to the base member. The support shaft has a first end and a second end opposite to the first end. The first end and the second end are supported by the base member.

Abstract: On a motorized vehicle with handlebars and handlebar mounted levers, a motorcycle lever retention system includes a button operatively connected to and capable of toggling a rocker switch, a clutch or brake lever having a retracted position and an extended, biased position, a clutch or brake operatively connected to the clutch or brake lever such that the clutch is disengaged or the brake is engaged when the clutch or brake lever is moved into the retracted position, and a mechanism operatively attached to the rocker switch and configured such that when the button is pressed, the rocker switch is toggled causing the mechanism to prevent the clutch from being engaged or the brake from being disengaged and the clutch or brake lever from moving back into the extended, biased position until the button is pressed again.

Abstract: A bicycle hydraulic device comprises a base member and a cover member. The base member is configured to be mounted to a bicycle body. The base member comprises a hydraulic bore and an insertion portion. The hydraulic bore has a first end and a second end. The first end defines a first opening. The insertion portion is provided between the first end and the second end. The insertion portion includes an insertion opening different from the first opening. The cover member is provided at the insertion portion via the insertion opening to cover the hydraulic bore.

Abstract: A cable operated left-hand rear brake system for off-road motorbikes and closed-course motorbikes consists of a handlebar-mounted brake lever, a brake cable, a cable perch, and a cable adapter. The handlebar-mounted brake lever provides the user with an alternative method to apply the rear breaks in addition to the existing foot lever. The brake cable is connected to the handlebar-mounted brake lever at a first end and the cable adapter at a second end. The cable adapter is mounted to the existing braking system of the motorbike. Therefore, when the user intends to apply the rear brakes, the handlebar-mounted brake lever is compressed such that the cable adapter pivots to control the existing braking system. The cable perch is used to position the guide the brake cable from the handlebar-mounted brake lever to the cable adapter.

Abstract: A pedal for a bicycle or an exercise bike contains: a body. The body includes a road-bike stepping assembly, a connection assembly, two positioning protrusions secured on two sides of the connection assembly, respectively, and a plurality of locking orifices defined on the connection assembly. The connection assembly is screwed with a mountain-bike stepping assembly by way of multiple screws, the mountain-bike stepping assembly includes two engaging trenches mating with the two positioning protrusions, individually, and the mountain-bike stepping assembly also includes a plurality of through apertures cooperating with the plurality of locking orifices, respectively. The connection assembly is screwed with a coupling plate by using the multiple screws, the coupling plate includes two retaining grooves mating with the two positioning protrusions, respectively, and the coupling plate also includes multiple openings cooperating with the plurality of locking orifices, respectively.

Abstract: The present invention relates to a drive assembly (10) for a manually driven vehicle (80), in particular a bicycle or a pedelec, with an electric auxiliary drive (24), wherein the drive assembly (10) has a first drive shaft (12) for a manual drive and a rotor (20) of the electric auxiliary drive (24), and wherein the first drive shaft (12) and the rotor (20) of the electric auxiliary drive (24) are coupled to a common drive element (29), wherein the first drive shaft (12) and the rotor (20) of the electric auxiliary drive (24) are coupled to the drive element (29) by means of a harmonic drive (25), wherein the harmonic drive (25) has an outer sleeve (28) with an internal toothing system (62) and a deformable inner sleeve (26) with an external toothing system (64) and a shaft generator (27), wherein the shaft generator (27) is at least indirectly connected fixedly to the rotor (20) of the electric auxiliary drive (24) so as to rotate with it, wherein the deformable inner sleeve (26) is at least indirectly conn

Abstract: A straddled vehicle includes a straddled vehicle body, a front wheel that supports the vehicle body, a rear wheel that supports the vehicle body, a front wheel electric motor that imparts a driving force to the front wheel, a rear wheel electric motor that imparts a driving force to the rear wheel, a front wheel motor drive unit that drives the front wheel electric motor, a rear wheel motor drive unit that drives the rear wheel electric motor, and a control unit. The control unit is programmed to provide a front wheel drive command to the front wheel motor drive unit and to provide a rear wheel drive command, differing from the front wheel drive command, to the rear wheel motor drive unit so as to provide a time difference in changes of the driving forces of the front wheel electric motor and the rear wheel electric motor.

Abstract: A sailboat is described having a boat hull (1), two flow profiles (2, 3) protruding laterally from the boat hull (1), and at least one underwater hydrofoil (16). To be able to achieve high travel velocities while maintaining the stability of the sailboat and balanced control behavior, it is proposed that the flow profiles (2, 3) protrude outward in a V shape from the boat hull and each have an aerodynamic stabilizer forming an aerodynamic aileron (4, 5), and/or the at least one underwater hydrofoil (16) is provided with a hydrodynamic stabilizer forming a hydrodynamic aileron.

Abstract: According to some aspects, a tug and barge arrangement is provided that is configured with an articulated conduit system for transferring fluid between the tug and the barge. In some embodiments, an articulated conduit system is provided that comprises a plurality of conduits fluidically interconnected by rotatable joints configured to permit positional alterations of the fluid conduits that result from differential movement between a tug and barge.

Abstract: The present invention relate to a water floating-type solar photovoltaic power generator, and more particularly, to a water floating-type solar photovoltaic power generator which is easy to be manufactured by using a plurality of annular floating bodies; is economical; and is further favorable to rotation, the plurality of annular floating bodies consisting of synthetic pipes and being arranged to form a concentric circle on the basis of a main pillar, as a floating source for supporting solar photovoltaic generation equipment on the water.

Abstract: The diving mask includes a rigid frame, one or two lenses, and a face mask made of soft and elastically yielding material, the face mask having a front hollow projection for housing the nose of the diver and a rear perimeter profile applicable in an airtight way to the face of the diver so as to delimit an internal space between the mask and the face of the diver, the internal surface of said face mask being equipped with obstructing means obstructing a direct flow towards lenses of the air released from the diver nose.

Abstract: A robotic submersible includes a housing having a body and a tail. In another aspect, a pump and a pump tank adjust the buoyancy of a submersible housing. In a further aspect, a first linear actuator controls the pump and/or a buoyancy, and/or a second linear actuator controls a position of a battery and/or adjusts a center of gravity. Another aspect includes a pump and at least one linear actuator that control gliding movements of the housing. In still a further aspect, a motor couples a tail with a body, such that the motor controls the movements of the tail to create a swimming movement.

Abstract: In the field of bodies towed behind a ship, commonly called fish, a fish comprises a supporting structure configured to move in water in a horizontal main direction, at least one appendage configured to generate a hydrodynamic lift directed downwards when the fish moves in the water under the towing effect, and a lock for reducing the hydrodynamic lift of the appendage.

Abstract: A jet-powered oar system for a paddleboard designed to help paddle boarders travel long distances without feeling fatigue includes a propulsive oar and a restraining mechanism. The propulsive oar propels the paddle board without physical input from the paddle boarder. The restraining mechanism retrofits onto an existing paddleboard and retains the propulsive oar. The propulsive oar utilizes an oar shaft, an oar paddle, an impeller pump assembly, a primary battery pack, a kill switch, and an attachment collar. The oar shaft and the oar paddle can be used to physically propel the paddle board. The impeller pump assembly permits motorized propulsion of the paddle board when the paddle boarder succumbs to fatigue. The primary battery back stores electrical energy for powering the impeller pump assembly. The kill switch stops the paddle board from moving. Finally, the attachment collar couples the propulsive oar onto the restraining mechanism.

Abstract: The purpose is to provide a program, method and device for controlling a movable body (e.g., single-propeller single-rudder ship) to move the movable body while keeping it orientated in a given direction. A controlling module may cause the movable body to stay at a fixed point position by controlling a thrust generator and a moving direction adjustor to orient the movable body to a direction of a disturbance estimated by a disturbance direction estimating module so that the movable body is not drifted by the disturbance. Every time the changing module sequentially changes the fixed point position, the controlling module may move the movable body to the changed fixed point position. Thus, the control device of the movable body of this disclosure may sequentially move the movable body while keeping it oriented to the direction of the disturbance.

Abstract: A structural component includes a composite laminate built up of a plurality of layers of carbon fibres, wherein the layers of carbon fibres are oriented in different directions, wherein the carbon fibres are surrounded by a conductive polymer resin, wherein the carbon fibres of at least one of the layers comprise an electrically insulating coating, and wherein at least one of the coated carbon fibres extend through its respective layer to form an electrical connection between ends of the layer spaced apart from one another.

Abstract: Provided are wingtip torque boxes and methods of fabricating such boxes using friction stir welding. Specifically, a wingtip torque box may be formed by friction stir welding two monolithic clamshells along their respective spars thereby forming a new monolithic structure. Use of the friction stir welding and monolithic clamshells simplifies the overall fabrication process and yields a robust wingtip torque box that can be bolted on or otherwise attached to an aircraft wing. The wingtip torque box may include internal grid stiffeners and/or external stiffeners that may be also monolithic with other components of the box. For example, the stiffeners may be machined in spars or skin portions of the clamshells during fabrication of clamshells. The wingtip torque box may have a continuous cavity extending between the ends and, in some embodiments, between spars of the box and providing access for performing various operations inside the box.

Abstract: A flight control law enhances braking efficiency through the operation of aircraft elevators (or another pitch control system) using measured longitudinal acceleration and/or pedal position as references to the control law. Through this solution, it is possible to increase the vertical load in the main landing gear and consequently enhance braking efficiency.

Abstract: A crocodile-type flight control surface comprising an upper foil flap, a lower foil flap, an actuating mechanism which guarantees the rotational displacement of each foil flap about a joint axis, either in the same direction or in different directions, and a locking mechanism alternatively adopting a locking position in which the upper foil flap and the lower foil flap are fixed with respect to each other and an unlocking position in which the upper foil flap and the lower foil flap are free with respect to the other. A crocodile-type flight control surface of this kind is therefore stiffened by the locking mechanism that joins the two foil flaps.