Abstract: An underframe boundary beam connecting structure suitable for a railway vehicle with a drum-shaped vehicle body is provided. An underframe boundary beam is a through long roll bending piece, a section of the through long roll bending piece is of a channel structure, and has a side face, an upper wing face, and a lower wing face. The side face has an inclination angle consistent with a side wall plate, an upper end of an outer side of the side face is provided with a concave platen, and the side wall plate is lapped on the concave platen and fixed by a butt welding; an inner end of the lower wing face is provided with a downwards vertical flanging, a vertical plate is welded and fixed between the upper wing face and the lower wing face.

Abstract: A comfort brake control system and a brake method for a vehicle is disclosed. The comfort brake control system includes: a human-machine interaction interface, configured to provide an interface of multiple optional comfort brake levels of the vehicle, and receive selection of one of the multiple comfort brake levels to switch a current comfort brake level of the vehicle, wherein each comfort brake level comprises a brake parameter corresponding to the comfort brake level, and the brake parameter comprises at least brake pressure and a brake pressure change rate of at least one brake cylinder of the vehicle; and a comfort brake module, configured to determine whether a current state of the vehicle meets a predetermined switching condition; and when it is determined that the switching condition is met, obtain a brake parameter corresponding to a selected comfort brake level, and transmit the obtained brake parameter to a brake system of the vehicle by using a vehicle bus of the vehicle.

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 lug assembly can include a frame, lug base, lug, and door. The lug assembly can be attached to a projectile that can be coupled and decoupled to an aircraft via the lug assembly. The frame can slidably receive the door. The lug can connect to the lug base and rotate thereabout from a first lug position to a second lug position upon the projectile decoupling. In the second lug position, the lug is contained within the frame such that an aerodynamic profile of the projectile is preserved. The door can connect to the lug base via a closing mechanism including one or more tension mechanism that apply a closing force to the door. Upon the projectile decoupling, the closing force causes the door to slide from a first to a second position, the door transitioning the lug to the second lug position and substantially sealing the frame opening.

Abstract: A lower body for a vehicle includes front and rear main bodies each including pipes, a pair of first longitudinal members extending in a forward/rearward direction and spaced apart from each other in a transverse direction, a first transverse member extending in the transverse direction and connecting the first longitudinal members, and mounting parts each having an outer side to which the first longitudinal members and the first transverse member are coupled, and a pair of lower body main members connecting the outer sides of the mounting parts and two opposite sides of upper ends of the front and rear main bodies spaced apart from each other, the pair of lower body main members each having a pipe shape and extending forward and rearward to constitute upper side members of the front and rear main bodies and defining an overall length of the vehicle.

Abstract: The invention provides a multi-layer truck bed. The truck bed includes a frame, a layer of backer plates, and a layer of non-slip plates. The frame is under the layer of backer plates, the layer of backer plates is under the layer of non-slip plates. The truck bed is elongated in a first direction. The frame includes a plurality of metal crossmembers extending crosswise to the first direction. The backer plates are formed of a first metal, and the non-slip plates are formed of a second metal. The first metal has a higher strength than the second metal. In some embodiments, the invention provides a truck that includes the truck bed and has a material handler mounted thereon, and the material handler includes a boom.

Abstract: An on-road truck body lining for protecting an on-road truck body from wear. The on-road truck body lining includes a plurality of main lining elements and a plurality of edge lining elements. Each main lining element includes a load-facing element having one or more transition sides, each transition side being adapted to meet a corresponding transition side of an adjacent edge lining element. A reinforcement plate having a main portion is fixedly attached to the load-facing element in a stacked configuration and having one or more end portions, each of the one or more end portions protruding out from a transition side of the load-facing element to form a respective flange. In use, the one or more end portions of the reinforcement plate are each arranged to be covered by a respective adjacent edge lining element such that the respective adjacent edge lining element, upon being fixated, clamps the main lining element to the on-road truck body.

Abstract: A truck bed member includes a rectangular top side with a long side along a first axis. An interlocking side is fixed perpendicular to the top side along a first edge of the top side parallel to the first axis and includes an interlocking member along an edge opposite the interlocking side coupled to the top side. An interlock receiving side is fixed perpendicular to the top side along a top side second edge opposite the first edge and parallel to the first axis. The interlocking side and the interlock receiving side are parallel to one another and extend a same direction from the top side. The interlock receiving side includes an interlock receiving member along an edge of the interlock receiving side opposite the edge coupled to the top side. The interlocking member is configured to couple to the interlock receiving member of a different truck bed member.

Abstract: A composite molded cargo body panel including a core, an interior skin secured to a first side of the core having a thickness, and exterior skin secured to a second side of the core, and a plurality of recesses. The plurality of recesses are dispersed along a first direction at intervals in the interior skin, with the core thickness at each of the plurality of recesses being reduced compared to a maximum core thickness, and each of the plurality of recesses defines a support surface. A pocket is formed in each of the plurality of recesses, with the core thickness at the pocket being less than the core thickness at each of the plurality of recesses. A plurality of logistics inserts are attached to the respective support surfaces of the plurality of recesses so that, at each of the plurality of recesses, the logistics insert extends across the pocket.

Abstract: A vehicular body structural arrangement includes a polymeric deck panel. The deck panel includes corrugations, a crosswise crossbeam footprint and, along a partial length of the crossbeam footprint, two features for securing a crossbeam thereto. The corrugations include an adjacent ridge and valley. The features include a first feature having a first direction along the deck panel, and a second feature having a second direction toward the deck panel. The first feature includes a unitarily-formed web projecting normally to the deck panel past the ridge, and a rivet nut installed to the web against a backing facing the first direction. The second feature includes a unitarily-formed stanchion behind the web projecting normally to the deck panel from inside the valley, and a threaded insert seated in the stanchion facing the second direction.

Abstract: A structure for a vehicle, includes: one side structure made of steel and located on one of outer and inner sides of a vehicle body; and another side structure located on the other of the outer and inner sides of the vehicle body and joined to the one side structure. The another side structure includes: a top portion made of an aluminum alloy and protruding toward the other side; wall portions respectively extending from both end parts of the top portion to the one side, each wall portion being made of an aluminum alloy; and a tab portion attached to an end part of the wall portion, extending toward an outside of the another side structure, and joined to the one side structure, the tab portion being made of steel.

Abstract: A vehicle and liner assembly that includes a recreational vehicle having a housing, a front end, a rear end, a top, a bottom, and a pair of sidewalls. A frame assembly is provided wherein, the housing is mounted on and supported by the frame assembly. The liner is attached to the frame assembly and covers at least a substantial portion of the bottom of the housing. The liner has a first face having projections extending therefrom and a second face having openings therein. The openings coincide with and extend into corresponding projections on the first face. In another embodiment of the invention, a trailer and liner combination, is provided that includes a vehicle having a housing with a front end, a rear end, a top, a bottom, a pair of sidewalls, and a door providing access to a cargo area defined by the housing.

Abstract: A lightweight shipping container includes two parallel side walls each having a top rail and secured on the opposite side to bottom rails of a floor frame, both bottom rails being coupled to one another by a floor, which is secured to and resting on a multiplicity of cross-beam members of the floor frame. A front end assembly is secured to one end of the top and bottom side rails and a door end assembly opposite the front end assembly is secured to an opposite end of the top and bottom side rails. The container further includes a roof secured to respective ones of the top rails of each of the two side walls. The floor includes a metallic cellular sandwich panel formed by a frame defining an interior portion of the panel and including a metallic cellular core of a multiplicity of metallic polygonal cells, and a skin covering both the frame and the metallic cellular core.

Abstract: There is described a protective helmet for sporting use, in particular for use while skiing, comprising an external cap-like structure (2) of a resiliently flexible material, an internal cap-like structure (3) which is received in the external cap-like structure (2) and which comprises a plurality of cap portions (5a, 5b) of expanded material which are structurally independent of each other and which are mutually interconnected with limited relative mobility between contiguous portions, the internal cap-like structure (3) delimiting a cavity (4) which is open towards the outer side and which is capable of receiving the head of the user, and at least one device (6) for absorbing energy as a result of forces of impacts on the helmet, which device is interposed between the internal cap-like structure (3) and external cap-like structure (2).

Abstract: A floor structure is provided with an underframe, which is part of a carriage body, is elongated along a longitudinal axis coinciding with the advancement axis of such carriage, and has a plurality of longitudinal attachment rails arranged on an area of the lower surface of the underframe; the attachment rails project downwards so as to define therebetween a plurality of compartments, which are engaged by panels having insulating material to form a fire protection system; such a system has, furthermore, a plurality of section bars, which are attached to the attachment rails and are shaped so as to retain the panels in fixed positions in the compartments and, at the same time, cover the attachment rails.

Abstract: A vehicle lower portion structure includes a resinous floor panel constituting a vehicle cabin floor surface, and a metallic reinforcing member. The reinforcing member is disposed to be bridged between vehicle skeleton members on a lower side of the floor panel and is configured to support a vehicle-mounted object disposed on the lower side of the floor panel.

Abstract: The present invention relates to an improved truck and tray assembly and system for storing and transporting light weight building material such as timber and hardware.

Abstract: A composite wood floor board assembled adjacent to another composite wood floor board, each the board comprising: a top layer of laminated hardwood comprising: a top side; a bottom side; a first lateral side; and a second lateral side opposite the first lateral side, wherein at least one of the first and second lateral sides is formed without shiplap lips; and a bottom layer comprising a planar fiber-reinforced polymer composite that is bonded to the bottom side of the top layer of the laminated hardwood and reinforces the top layer, wherein the bottom layer of fiber-reinforced polymer composite extends laterally outwardly by a distance up to two inches (2?) from the first lateral side of the top layer, and wherein a part of the bottom layer of the composite wood floor board is bonded to the top layer with a first adhesive and a part of the bottom layer is bonded with a second adhesive or sealant.

Abstract: A composite wood floor board assembled adjacent to another composite wood floor board, each the board comprising: a top layer of laminated hardwood comprising: a top side; a bottom side; a first lateral side; and a second lateral side opposite the first lateral side, wherein at least one of the first and second lateral sides is formed without shiplap lips; and a bottom layer comprising a planar fiber-reinforced polymer composite that is bonded to the bottom side of the top layer of the laminated hardwood and reinforces the top layer, wherein the bottom layer of fiber-reinforced polymer composite extends laterally outwardly by a distance up to two inches (2?) from the first lateral side of the top layer, and wherein a part of the bottom layer of the composite wood floor board is bonded to the top layer with a first adhesive and a part of the bottom layer is bonded with a second adhesive or sealant.

Abstract: A platform of a trailer includes spaced-apart left and right side rails and a plurality of extruded aluminum panels that each extend from a left lateral end abutted with said left side rail to a right lateral end abutted with said right side rail. Each of the panels includes an upper wall, a lower wall spaced-apart from the upper wall, and first and second spaced-apart end walls that are connected to and extend between the upper and lower walls. The extruded aluminum panels are abutted in series with the first end wall of one panel abutted with the second end wall of an adjacent abutted panel such that the respective upper walls of adjacent abutted panels of the platform together define an upper, cargo supporting surface of the platform. The platform is arched to correspond with the arch of the first and second beams.

Abstract: A rooftop support system including at least one support block. The support block includes a base configured to rest on the rooftop, and the base has a first base section and a second base section separated by a U-shaped recess that defines a first gripping feature. The support block includes first and second sidewalls unitary with the base and extending along a length of the support block, and the first and second sidewalls each define a second gripping feature. The support block also includes third and fourth sidewalls unitary with the base and extending along a width of the support block, and the third and fourth sidewalls each define a third gripping feature. An upper surface of the support block defines an elongate channel, and a pair of apertures are formed in the elongate channel with a coupling feature embedded therein.

Abstract: A method of manufacturing a reinforcement assembly for a truck bed is provided. The method includes roll-forming an aluminum sheet to form a cross-member having a base, a pair of opposing sidewalls extending from the base, and a pair of flanges each extending from one of the sidewalls and substantially parallel with the base. The method includes extruding an aluminum reinforcement member, and attaching the reinforcement member to the cross-member to space the cross-member from a frame rail of the truck.

Abstract: A pick-up truck bed includes a plurality of plates longer in a longitudinal direction than in a transverse direction that are assembled together along longitudinally extending edges to a laterally adjacent one of the plates. The plates each include a plurality of supporting structures longitudinally extending along a length of the plates that support the plates on transversely extending cross-members. A left-side plate defines a left wheel housing cutout, a longitudinally extending central plate includes first and second complementary interlocking features on opposite longitudinally extending sides, and a longitudinally extending right-side plate defines a right wheel housing cutout. The left-side plate includes a first interlocking feature and the right-side plate includes a second interlocking feature that each receive one of the complementary interlocking features of the central plate.

Abstract: A panel structure includes panel members that may be connected together using friction stir welding, Each of the panel members includes a first plate, a second plate substantially in parallel to said first plate, and at least one webbing member connecting the first plate and the second plate. The first plate of the first panel member includes a flange positioned in abutment with a flange located on the first plate of the second panel member. The flange of the first panel member includes a projection and the flange of the second panel member includes a groove. The panel members are connected so that the projection is engaged with the groove to thereby resist relative lateral movement that would separate the panel members.

Abstract: A mounting structure for equipment compartment bottom plate is provided. The bottom plate is detachably connected to a skeleton boundary beam of the equipment compartment. A sliding rail is fixedly connected to a side of the bottom plate where the bottom plate is lap-jointed to a skeleton lateral beam of the equipment compartment. One of the sliding rail and the skeleton lateral beam is provided with a recess and the other is provided with a protrusion engaged with the recess. In the mounting structure, the connection of the bottom plate and the skeleton lateral beam is achieved by the engagement of the recess and the protrusion. Therefore, connecting pieces for connecting the bottom plate and the skeleton lateral beam are removed and the number of the connecting pieces is significantly reduced.

Abstract: A floor assembly for a trailer includes stringers that extend in a transverse direction of the assembly and are spaced from one another in a longitudinal direction of the assembly. The stringers are made of a thermally insulative first material. A bottom flange is coupled to a lower portion of a respective stringer. A top flange made of a second material is coupled to an upper portion of a respective stringer. Floor panels are also provided. Each floor panel extends in the longitudinal direction, is supported by the top flange, is coupled to another floor panel along respective edges thereof, and has at least one rib that extends in the longitudinal direction and depends substantially perpendicularly from a bottom surface thereof. Each floor panel is made of the second material and each at least one rib is welded to a top surface of the top flange.

Abstract: A railcar includes: an underframe including a pair of side sills located at both respective ends of the underframe in a car width direction and extending in a car longitudinal direction and a plurality of cross beams coupling the pair of side sills to each other in a car width direction; and an underfloor cover covering an underfloor portion of the underframe. The underfloor cover includes upper and lower plate-shaped members (a shielding plate and a closing plate) made of stainless steel, and the upper and lower plate-shaped members are at least partially spaced apart from each other.

Abstract: Such a fuselage includes cross-members adapted for the formation of a floor, at least one of said cross-members including an upper part, a lower part, linkage for the lower part to the upper part, and at least one opening for the passage of systems which is delimited between the lower part and the upper part. The upper part of the cross-member is fastened to the fuselage and is dimensioned so as to bear the stresses to which said cross-member may be subjected when the aircraft remains on the ground. The lower part is fastened to the upper part so as to reinforce it such that when assembled, the upper part and the lower part are adapted to bear the stresses to which the cross-member may be subjected in flight conditions of the aircraft.

Abstract: An adjustable tool configured to facilitate mounting an electromechanical device relative to a tester is contemplated. The adjustable tool may be operable to facilitate adjustably mounting a belt tensioner, pulley or other rotating element of the electromechanical device relative to a belt drive or other rotatable testing element included on the tester in a manner sufficient to enable adjusting tensioning and/or positioning therebetween.

Abstract: A liner assembly for a protective helmet has a wrap-around pad inside the helmet with plural circular cells spaced along a curved line, at least one additional cell at each end of the line and one additional cell located off the line. A crown pad removably engageable in a crown of the helmet and two L-shaped jaw pads removably engageable to jaw flaps of the helmet. Each cell includes an outer sheet welded around its perimeter to the perimeter of an inner sheet, each inner sheet engaging a player's head and defining one enclosure for each cell. Each cell containing a foam cushion and multiple spaced apart hollow protrusions contacting the inside of the helmet. Each protrusion has an open large diameter base near the cushion and flat smaller diameter peak engaging the helmet. Each protrusions also having a conical side wall tapering from base to peak.

Abstract: A unitary floor includes a top layer, floor components, and a bottom layer. The floor components are sandwiched between the top layer and the bottom layer to provide an integral structure that comprises a continuous surface, unitary floor. Each of the floor components has a material strips. Moreover, the material strips that make up a corresponding floor component is a composite assembly that includes a first set of material strips, which may be interleaved with a second set of material strips. The first set of material strips includes a different density compared to the second set of material strips. Moreover, the unitary floor may be fabricated by a vacuum process, such as a vacuum infusion process.

Abstract: A rail for an enclosure includes a horizontal leg configured to alternatively secure with a roof and a skid/tank of the enclosure. A first leg of the rail connects perpendicularly to the horizontal leg and a second leg connected perpendicular to the horizontal leg and opposes the first leg. The first leg and the second leg form a channel to receive a wall of the enclosure.

Abstract: In certain embodiments, a flooring apparatus provides improved traction, improved wear resistance and improved structural support. The flooring apparatus may include an elongated member that includes a top surface and a bottom surface. The top surface may include a cutout portion that extends along at least a portion of a longitudinal axis of the elongated member. One or more inserts are positioned at least partially within the cutout portion. The insert may include a texturized top surface and may be constructed of a polymer material or other material with improved traction and, in certain embodiments, improved wear resistance.

Abstract: A vehicle vibration suppressing structure includes a floor panel, a storage section, and a vibration suppressing section. The floor panel includes a general portion that extends in a vehicle front-rear direction and a vehicle width direction, and a floor pan that is provided contiguously to the general portion and that is formed in a concave shape indented toward a vehicle lower side. The storage section that covers the floor pan as viewed from a vehicle upper side is attached to the general portion, and is capable of storing a storage object. The vibration suppressing section is disposed between a lower face of the storage section and a bottom wall portion of the floor pan in a state of contact with the lower face and the bottom wall portion.

Abstract: A liner assembly for a protective helmet which includes a wrap-around pad designed to be engaged to the inner surface of a helmet. The wrap-around pad has multiple substantially circular cells spaced along a curved line around the inner surface. The assembly also has a crown pad and two jaw pads. Each jaw pad is an cell L-shaped cell. Each cell is made of an inner sheet, an outer sheet and multiple, outwardly-projecting hollow protrusions.

Abstract: A prefabricated element or floors or floor baseboards is described that includes a rigid base having an upper surface and two opposed longitudinal lateral surfaces, the upper surface and lateral surfaces being covered by a layer made of vinyl fabric. A modular floor tile is also described that includes a plurality of the prefabricated elements mounted on a rigid support. The invention enables an outdoor decorated wood flooring with no need of maintenance to be realized.

Abstract: A rotary wing aircraft airframe (2) with a longitudinal axis comprising: a subfloor structure (15) for supporting cabin floor panels (13) and/or at least one fuel tank bladder (12). Said subfloor structure (15) has a bottom shell (16), longitudinal support beams (21), ribs (20), main frames (23) and floor panels (13). The bottom shell (16) has a flat shell portion (17) and two lateral shell portions (18) extending integrally from said flat shell portion (17) along its longitudinally oriented sides and being curved towards respective front edges of said ribs (20) and main frames (23). The longitudinal support beams (21) are provided with attachments for the floor panels (13), the longitudinal support beams (21) are attached at least partially to the ribs (20) and/or the main frames (23) and the longitudinal support beams (21) are featuring along at least ? of their longitudinal extension a height 2 to 20 times smaller than any distances of any of the floor panels (13) to the bottom shell (16).

Abstract: An example reinforced wood flooring for use in forming a truck trailer or container floor may include a wood member. The wood member may include a plurality of wood strips that are attached together. The wood member may also have a top surface and a bottom surface. An essentially water impermeable fiber-reinforced thermoplastic underlay may be adhered to the bottom surface of the wood member.

Abstract: The present document describes a heat resistant floor assembly for a rail vehicle. The heat resistant floor assembly comprising: a floor structure and a fire protection panel made of a composite material connected underneath the floor structure.

Abstract: A panel assembly includes at least one reinforcing assembly made of a high strength material having a low yield to tensile strength ratio for energy absorption and reduced weight and profile. The panel assembly may be light-weight with a low profile to minimize protrusion into an opening or compartment enclosed by the panel. The panel assembly may be a floor panel assembly for a vehicle floor. The reinforcing assembly may traverse the panel such that the reinforcing assembly extends laterally, e.g., cross-vehicle, relative to the longitudinal axis of the vehicle body. A method of making the panel assembly may include forming the reinforcing assembly by joining a plurality of metal channel members in a nested arrangement with a plurality of welds to provide a structural assembly with good bending resistance loads imposed on the panel assembly including knee loads. The channel members can be made of dual phase steel.

Abstract: A crash energy absorber is provided at a front portion of a carbody of a railcar and configured to crush by a load from a front side to absorb crash energy. The crash energy absorber includes: a main absorbing portion extending in a front-rear direction; and a pair of sub absorbing portions respectively provided at upper and lower sides of the main absorbing portion. Each of the pair of sub absorbing portions is formed integrally with the main absorbing portion via breakable portions each extending in the front-rear direction.

Abstract: A composite lap joint for the assembly of a first and a second floor board from a plurality of boards, used to make the floor for a vehicular trailer, each board composed of a layer of wood at the top side and a layer of fiber reinforced composite at the bottom side, wherein the composite layer is at least partly bonded to the wood layer; the composite layer of a first board forming a lip, wherein the lip is a lateral extension of the composite layer and the lip is disposed under the bottom side recess of an adjacent second board to form a composite joint, whereby the joint provides improved flexibility, moisture sealing ability at the seam of the joint and higher strength to the edges of the boards.

Abstract: A floor pan for high-speed trains is disposed below a car floor and implemented as a stand encased by a protective floor and has lateral carrier walls with side plates fastened thereon. The floor pan provides protection against damage by ballast stones to the under-floor space in which the equipment is stored.

Abstract: The present document describes a heat resistant floor assembly for a rail vehicle. The heat resistant floor assembly comprising: a floor structure and a fire protection panel made of a composite material connected underneath the floor structure.

Abstract: A railcar includes a heat-resistant floor, and the heat-resistant floor includes a floor panel, a heat absorbing layer provided under the floor panel and configured to absorb heat, and a supporting plate configured to support the heat absorbing layer from below. The supporting plate includes contacting portions each configured to contact the heat absorbing layer and separated portions each continuously formed from the contacting portion in a railcar width direction, separated downward from the heat absorbing layer, and extending in a railcar longitudinal direction.

Abstract: Provided is a floor structure of a railcar in which thickness of a heat insulating material can be reduced while having predetermined heat resistance. The floor structure of the railcar includes a underframe having a pair of side sills extending in a railcar longitudinal direction and a cross beam arranged between the side sills and extending in a railcar width direction, a structural floor provided on an upper surface of the underframe, and a first heat insulating material arranged on a lower side of the structural floor via an air layer for the structural floor.

Abstract: A floor for a rail vehicle includes a four-layer structure. The four-layer structure includes a first metal layer, a filling layer, a second metal layer and a wear layer, which are bonded undetachably to one another. The floor is produced in a single piece and covers the entire floor of the passenger space of a rail vehicle and the filling layer is produced from a composite material with a cork content.

Abstract: The invention relates to a vibratory floor consisting of independent vibratory modules that can be pre-fabricated and are strictly controlled before being put into place in structures for storage or transport of bulk products. Each vibratory module consists of a frame (14) in which a support material (12) is arranged, on which a metal sheet (9) is mounted, said metal sheet being attached to a vibratory element (10) and a stiffener (19) and held in place only by a peripheral sealing membrane (11), optionally supported by compression springs (13). The filling material can comprise ribs (30) for deforming the metal sheet in the form of transversal waves (31) under the effect of the weight of the stored product. The vibratory modules constructed in this way are dust-tight, do no transmit vibrations to the surrounding structure, and effectively drain any lumpy or powdery product from silos, ships, railroad cars, or other containers.

Abstract: A rail vehicle contains a floor plate, which is supported on a shell floor plate with height adjustment elements therebetween. The height adjustment elements have two components arranged one over the other, of which the one rests against the floor plate from below and the other rests against the shell floor plate from above, wherein the two components can be fixed in various positions relative to each other in order to set a total height of the height adjustment elements.

Abstract: A carriage including a floor comprising at least one low platform and two high floor levels, the low platform having a floor height lower than that of the high floor levels and being arranged opposite a door, the low platform being movable in translation is provided. The low platform is connected to said high floor levels by ramps.