Abstract: A stake system for providing a removable support for articles being transported on flatbed vehicles is provided. The stake system has a composite body with a cap on one end and a boot on the opposite end. A cover layer is shrink wrapped over the composite body and may include a heat-activated adhesive. The boot includes a flange that contacts the flatbed vehicle when the stake system is inserted into pockets formed in the flatbed vehicle. A pin is tethered to the boot and may be inserted into a hole in the boot adjacent to the underside of the flatbed vehicle. The pin provides a convenient means for locking the stake system to the vehicle and prevents the stake system from disengaging during operation.

Abstract: A primarily aluminum extendable flatbed trailer has front and rear flatbed sections adjustable to various trailer lengths. Reinforcing plates with holes therein are connected to an aluminum longitudinal rail on one flatbed section. Holes in the rail aligned with the reinforcing plate holes removably receive a locking pin which secures the front section to the rear section. The locking pin slidably engages the reinforcing plates and associated wear bars. A generally vertical web strengthener is secured to a vertical longitudinal web on the rail adjacent the suspension of the trailer. Tubular aluminum braces are used in various locations. A friction reducing plastic slide member on one flatbed section slidably engages the other flatbed section. Another trailer includes first, second and third flatbed sections whereby the first and second sections are joinable in an extendable configuration and the first and third sections are joinable in a standard configuration.

Abstract: A truck box frame includes first and second laterally extending frame members and a frame side rail assembly. The frame side rail assembly includes first and second frame side rails. The first and second frame side rails generally extend between and are coupled to the first and second laterally extending frame members. The first and second laterally extending frame members are extendable laterally, creating a variable width truck box frame. The first and second frame side rails may be curved or swept so that the intermediate portions extend inwardly toward one another, forming a tapered portion of the frame side rail assembly. The length and curvature, or sweep, of the side frame rails may also be varied to create a variable length truck box frame.

Abstract: A hydraulic tail trailer comprising a main deck having a main tail assembly pivotally connected to the rearward end thereof with the pivotal connection therebetween being located forwardly of the centerline of the rear axle of the trailer suspension system. The location of the hinge between the main deck and the main tail assembly, by being located forwardly of the centerline of the rear axle, provides a main tail having an increased length thereby providing a lower loading angle without increasing the overall length of the trailer. The forward end of the main deck is pivotally connected to the rearward end of an upper deck so that the main deck may be raised which further reduces the angle between the rearward end of the main deck and the forward end of the main tail for loading and unloading purposes.

Abstract: The present invention provides an integrated composite floor unit and front wall assembly that can be used in a variety of structures. The integrated composite floor unit and front wall assembly is formed of a floor unit having a front portion and a front wall integrally formed with and rising up from the front portion of the floor unit. The assembly can include other structural features and may be easily combined with a number of further structural components to form a structure. In specific embodiments, the assembly forms part of a modular trailer. In particular, the trailer can be formed of the composite assembly, a composite roof, composite side walls, and a composite rear frame. Such composite trailers advantageously provide a storage volume approximately equal to or greater than conventional trailers but are lighter in weight, thus allowing for storage and/or hauling of a greater weight of cargo than in conventional trailers.

Abstract: A mobile high horsepower rating natural gas compression package is provided. The apparatus includes a trailer having a flexible pre-cambered frame configured to absorb shock during transport and dissipate vibration during operation, and an inflexible sub-skid attached to the flexible frame. A high horsepower rating engine driven compressor is attached to the sub-skid while ancillary compression package components are attached to the flexible frame. An arrangement of break flanges is employed to permit relative motion between the compressor and the ancillary compression package components during transport and operation.

Abstract: The present invention concerns a system and method for providing reinforcement in the form of strength and/or moisture protection at discrete locations along the bottom of a wooden cargo-carrying floor, which reduces the cost associated with such manufacture and provides at least equal if not better results. The cargo-carrying floor surface reinforcing system for a cargo-carrying body, such as transport vehicle or transport container, comprises a flooring section and at least one region having a predetermined area smaller than an area of said bottom surface of said flooring section. The flooring section is comprised of a plurality of wood boards having a top surface, a bottom surface, first and second side surfaces arranged side by side, the boards in turn being comprised of strips of wood joined end-to-end and side-to-side.

Abstract: A trailer includes a floor engageable with a load and a longitudinally extending support member. The support member has an upper portion connected to the floor, a lower portion connectable to a suspension system, and a web extending between the upper and lower portions and transverse to the floor. The lower portion has a lower flange extending transverse to the web and connectable to the suspension system. The lower flange has a first portion extending from a first side of the web a first distance and a second portion extending from a second opposite side of the web a second distance larger than the first distance.

Abstract: An improved side rail structure is used to form a portion of a flat bed trailer. The side rail structure is integrally formed as one piece. The side rail structure includes an outer side rail wall which is integrally formed as one piece with a rub rail. A flooring section may also be formed as one piece with the outer side rail wall. The one piece side rail structure may be formed of extruded metal.

Abstract: A floor for a trailer, the floor comprising a plurality of cells, each of the cells having a top plate, a bottom plate, and a plurality of parallel vertical members extending between the top plate and bottom plate, the cells being welded to adjacent cells and to longitudinally extending beams. The structure permits the trailer to be relatively low compared to other known designs and provides for a more stable trailer in use.

Abstract: The invention provides a cargo bed structure comprising a sub-floor assembly comprising a plurality of cross members in spaced relation and a cargo bed defined by a longitudinally extending load-bearing deck overlying the sub-floor assembly and comprising a plurality of interlocking fiber reinforced polymer decking planks extending in a direction perpendicular to the cross members; an upwardly extending bulkhead assembly comprising at least one fiber reinforced polymer panel; a tailboard opposing the bulkhead and spaced apart therefrom; and two opposing upwardly-extending sidewalls, wherein each of the sidewalls and the tailboard comprise at least one fiber reinforced polymer panel pivotally mounted to the load-bearing deck.

Abstract: A trailer includes a floor engageable with a load and a longitudinally extending support member. The support member has an upper portion connected to the floor, a lower portion connectable to a suspension system, and a web extending between the upper and lower portions and transverse to the floor. The lower portion has a lower flange extending transverse to the web and connectable to the suspension system. The lower flange has a first portion extending from a first side of the web a first distance and a second portion extending from a second opposite side of the web a second distance larger than the first distance.

Abstract: Reinforced wood flooring for truck trailers and containers and methods for making and using the same. A reinforced wood flooring 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 underlay may be attached to the bottom surface of the wood member with a discontinuous layer of adhesive.

Abstract: An improved side rail structure is used to form a portion of a flat bed trailer. The side rail structure is integrally formed as one piece. The side rail structure includes an outer side rail wall which is integrally formed as one piece with a rub rail. A flooring section may also be formed as one piece with the outer side rail wall. The one piece side rail structure may be formed of extruded metal.

Abstract: A primarily aluminum extendable flatbed trailer has front and rear flatbed sections adjustable to various trailer lengths. Reinforcing plates with holes therein are connected to an aluminum longitudinal rail on one flatbed section. Holes in the rail aligned with the reinforcing plate holes removably receive a locking pin which secures the front section to the rear section. The locking pin slidably engages the reinforcing plates and associated wear bars. A generally vertical web strengthener is secured to a vertical longitudinal web on the rail adjacent the suspension of the trailer. Tubular aluminum braces are used in various locations. A friction reducing plastic slide member on one flatbed section slidably engages the other flatbed section. Another trailer includes first, second and third flatbed sections whereby the first and second sections are joinable in an extendable configuration and the first and third sections are joinable in a standard configuration.

Abstract: A safety equipment for use on a trailer to reduce the risk of an operator failing from a load on the trailer. The safety equipment includes an arm having an articulating portion, a feature for selectively securing the arm to the periphery of the trailer, a feature associated with the arm for enabling the articulating portion thereof to pivot toward and away from a widthwise edge of the trailer in a plane approximately parallel to the bed of the trailer, a feature for securing the articulating portion at any one of a plurality of articulated positions, a post extending from the arm in a direction transverse to the pivot plane of the articulating portion, a cable having a first portion thereof secured to the post, and a feature for securing a second portion of the cable at the oppositely-disposed widthwise edge of the trailer such that the cable extends along a lengthwise direction of the trailer.

Abstract: A hardwood floor used for making trailers in the transportation industry is treated, at least for a portion thereof, with a water-based wood preservative. The preservative is preferably a borate-based preservative. When the floor is provided with a steel plate at a rear thereof, the wood preservative located in the vicinity of the steel plate prevents the formation of fungi and increases the useful life of the floor.

Abstract: A deck assembly for use with a transporter vehicle is provided. The deck assembly comprises a deck portion formed of a first material and a sub-structure formed of a second material. The deck assembly further comprises an interface plate formed disposed between the deck portion and sub-structure to facilitate coupling the deck portion to the sub-structure and/or to compensate for differences in thermal expansion that may exist between the deck portion and the sub-structure.

Abstract: A frame deformation control apparatus to be used for a frame being constructed of a plurality of sub-frames, the frame deformation control apparatus has a joint unit connecting adjoining sub-frames, the joint unit allows the adjoining sub-frames to turn around the joint unit, a detector measuring a bending moment to be added to the joint unit, and a brake unit restricting the turn around the joint unit of the adjoining sub-frames.

Abstract: A vehicle deck structure that can suppress deformation of a deck floor is provided. The vehicle deck structure includes a deck floor extending in a vehicle body front-rear direction and a vehicle width direction, a cross member having a longitudinal direction that corresponds to the vehicle width direction and provided at a lower side of the deck floor, a mount lower surface reinforcement that closes off a downward open end of the cross member to form a closed cross-section portion Sc, a collar that is provided within the closed cross-section portion Sc and supports a fastening load for fastening the deck floor to a chassis frame F, and a rear cross reinforcement that is provided at a front side or a rear side in the vehicle body front-rear direction with respect to an installation portion of the collar at the deck floor.

Abstract: A cross-member for a trailer frame and a frame incorporating the same. The cross-member extends between longitudinally aligned rails designed to pivotally support a dumping body thereon. The cross-member includes a cylindrical tube having a wall defining a bore therethrough. A planar member is received within the bore and is axially aligned therewith. The tube includes one or more axially aligned openings proximate a central region thereof. The planar member is disposed intermediate the openings and is aligned axially with the openings. The cross-member is substantially rigid under tension and at least a portion thereof is flexible under torsion.

Abstract: A trailer includes a chassis and a body connected to the chassis. The body includes an open-top cargo-retaining space adapted to carry a bulk commodity payload. An axle subassembly is connected to the chassis and includes at least one set of left and right wheel and tire assemblies to rollably support the chassis. A landing gear assembly is connected to one or both of the chassis and body and includes legs that are selectively deployed to support a forward end of the trailer. A kingpin is located at the forward end of the trailer and is adapted for connection to a fifth-wheel of an associated vehicle used to pull the trailer. The body includes left and right bottom rails and left and right top rails spaced vertically above the left and right bottom rails, respectively. A horizontal floor extends between the left and right bottom rails. The floor includes a plurality of abutted one-piece extruded panels that each extend horizontally between and contact the left bottom rail and the right bottom rail.

Abstract: An improved side rail structure is used to form a portion of a flat bed trailer. The side rail structure is integrally formed as one piece. The side rail structure includes an outer side rail wall which is integrally formed as one piece with a rub rail. A flooring section may also be formed as one piece with the outer side rail wall. The one piece side rail structure may be formed of extruded metal.

Abstract: A removable truck deck for use as part of a roll-off truck deck system. In one embodiment, the removable truck deck comprises a replaceable and interchangeable side fitting that may be locked at a desired position along the length of the removable truck deck. The side fitting may be used to provide a plurality of interchangeable attachments on the truck deck. One such attachment may include a pontoon permitting the truck deck to float when removed from the truck. A plurality of floating truck decks in abutting longitudinal series may be used to create a floating bridge. Other attachments include, wheels, cranes, winches, transverse partitions, tailgates, sidewalls, etc.

Abstract: A roll-formed one-piece vehicle bed member has a plurality of ribs and valleys extending longitudinally along the bed member in sidewardly adjacent, parallel relation. The bed member terminates at front and rear edges wherein preferably along the rear edge of the bed member, rib channels are formed centrally along the end portion of each rib for direct contacting engagement with a rear sill to provide an improved connection therebetween.

Abstract: A load-carrying floor for a truck or trailer includes a plurality of extruded aluminum hollow floor panels wherein each panel includes spaced apart inside and outside walls connected to each other by spaced apart first and second end walls. A primary cross-member is located between and extends parallel to the first and second end walls and interconnects the inside and outside walls. The panels are abutted with each other to define a floor section including: (i) an inner load-carrying surface; (ii) an outer surface; (iii) a plurality of seams; and, (iv) opposite left and right edge regions. One-piece extruded aluminum left and right rails are connected by welding to the left and right edge regions of the floor section, respectively.

Abstract: The present invention is directed to a floor module for a vehicle having a floor plate, already cut to size and ready for installation, which is integrally connected to at least one mounting rail. The floor plate is preferable bonded to at least one mounting rail, which may be a seat runner for mounting seats. The floor plate can have at least one slot-shaped cut-out to receive at least one mounting rail or the floor plate can consist of a plurality of elements joined together into one part by a mounting rail arranged between them.

Abstract: A hydroformed and roll-formed cross sill assembly for a vehicle and method of making same includes a pair of hydroformed tubular side members. The hydroformed and roll-formed cross sill assembly also includes a roll-formed beam member disposed between the tubular side members and at least one weld to secure the beam member to each of the tubular side members.

Abstract: A trailer and method of assembling a trailer is disclosed. A trailer or motor vehicle may include a frame having fabricated beams. The beams generally include a web section and a pair of opposing flanges. The flanges may be I-shaped or T-shaped, and include web-receiving slots. The flanges may also include obtuse ends along the flange portions thereof, which may also include recesses for cross-member securing fasteners. Top and bottom portions of the web are inserted into the web-receiving slot of a flange and secured therein by a plurality of fasteners. The fasteners for may comprise self-piercing rivets. Because the beams maybe assembled solely with fasteners and without welds, the web and flanges may be pre-coated to provide a finished beam upon assembly. Consequently, the entire frame may be assembled with fasteners, and consequently, may be shipped in pieces and assembled with fasteners at a remote location.

Abstract: A support structure for a cargo deck of a transport vehicle including a rigid support frame with a suspension supported by the support frame. The deck is positioned on the suspension, such that the deck floats vertically relative to the support frame on the suspension. A guide assembly is provides to guide vertical movement of the deck relative to the support frame, while providing lateral stability to the deck relative to the support frame.

Abstract: A bed arrangement for a vehicle including a horizontally large floor member defined by a thin metal sheet having a plurality of raised stiffening ribs extending lengthwise thereof. The floor member has a cantilevered edge flange extending along a lengthwise side edge thereof, which edge flange protrudes downwardly below a bottom surface of the floor member. A hat-shaped cross rail is disposed transversely under said floor member, and has a pair of top flanges which supportingly engages the bottom surface of the floor member. The cross rail, where it crosses the edge flange, has a depression formed therein to provide clearance for the edge flange. The top flanges having flange sections which are deformed downwardly to define the profile of the depression while maintaining the continuity of the top flanges as they extend lengthwise of the cross rail.

Abstract: The present invention is a floor panel structure of a car body where an automobile floor comprises a floor panel that is connected to the frame members of the car body and also has a vibration mode adjusting structure that suppresses the generation of acoustic emission by generating 2×1 mode vibration in a predetermined frequency band. The floor panel has a non-rectangular vibration region and the vibration mode adjusting structure of the floor panels the vibration mode adjusting structure of the floor panel comprises a vibration adjusting part that defines the vibration distribution and vibration amplitude of the antinodes of 2×1 mode vibration, and the vibration adjusting part is disposed within the a non-rectangular vibration region so as to make the vibration volumes of two antinodes of vibration in 2×1 mode nearly the same.

Abstract: A frame assembly for a container trailer includes a longitudinal component having a plurality of locating constructions. The frame assembly also includes a plurality of cross-members, each of which includes a locating construction for mating with a locating construction of the longitudinal component. The locating constructions of the cross-members and the locating constructions of the longitudinal component are located, sized and arranged so that a locating construction of each cross-member may be mated with a locating construction of the longitudinal component to position the cross-members with respect to the longitudinal component.

Abstract: The present invention is a floor panel structure of a car body where an automobile floor includes a floor panel that is connected to the frame members of the car body and also have a vibration mode adjusting structure that suppresses the generation of acoustic emission by generating 2×1 mode vibrations in a predetermined frequency band. The floor panel has a non-rectangular vibration region and the vibration mode adjusting structure of the floor panel has a vibration adjusting part that defines the position of node of 2×1 mode vibration, and this vibration adjusting part is disposed within the non-rectangular vibration region so as not to touch the frame members and so as to form two regions where the vibration volumes of two antinodes of vibration in 2×1 mode are made nearly the same.

Abstract: A cargo-carrying vehicle has a plurality of flooring members. A pair of parallel, spaced-apart frame rails confines the flooring members therebetween in closely spaced adjacent relation to form a floor surface. A pair of end members extends transversely between the frame rails at the ends thereof to secure the frame members against movement parallel to the frame rails. At least one of the end members is selectively moveable relative to the frame rails to permit selective removal of one or more of the flooring members from between the frame rails.

Abstract: A structure, box or hopper for transportation which is formed from a combination of polymers and steels. In one embodiment, polymers comprise the body of the hopper which is in direct contact with the load being transported. In this way, the polymers bear the impact and wear and tear caused by the material being transported. The present invention further comprises various systems for fastening the steel portion of the hopper to the polymeric portion including the use of adjustable elastomeric ropes for supporting a weight bearing rubber mat.

Abstract: Vehicle payload in a service vehicle including a vehicle chassis having two spaced frame members (50) with a generally horizontal deck (16) mounted on the frame members for receiving and carrying a load to be transported and which extends to either side of a vehicle centerline (48) and which is provided with a crane (28) located to one side of the centerline is achieved in a lightweight, torsionally resistant deck structure including a horizontal plate (44) together with at least two spaced, elongated box beams (46) supporting the plate (44) which extend longitudinally of the center line (48) together with a plurality of cross members (64) secured to and extending between the box beams (46).

Abstract: The adjustable length chassis is a modified 53-foot chassis that is capable of being reduced in length to fit inside of a conventional 53-foot shipping container. The chassis is constructed of two main elements, which are the forward gooseneck assembly and the rear frame assembly. The forward gooseneck assembly and the rear frame assembly each comprise a pair of spaced apart side rails having an “I” beam cross section. The side rails of the rear frame assembly have “U” shaped channel bars welded into their “I” beams to form a channel in the front portion of the rear frame assembly. The channel is of sufficient length to allow the gooseneck assembly to slide into the rear frame assembly and reduce the overall length of the chassis by 24 to 36 inches so that the chassis may fit inside of a conventional 53 foot shipping container.

Abstract: A dump truck body including a receptacle defined by a floor and, extending from the floor, first and second side walls on opposite sides of the floor, and a front wall and a tailgate, located on opposite sides of the floor and extending between the side walls. The floor of the dump truck body includes at least one longitudinal support structure which substantially extends from the front wall to the tailgate, a substantially planar support plate attached to the at least one longitudinal support structure, and at least one floor section attached to the at least one longitudinal support structure, without a plurality of longitudinally spaced, transverse supports attached to the at least one floor section, the at least one longitudinal support structure, and the substantially planar support plate. In addition, a conveyor system is attached to the at least one longitudinal support structure, the floor having at least one opening in alignment with the conveyor system.

Abstract: A vehicle includes an enclosed cargo area having a floor with a recessed area. A reversible load floor covers the recess, and includes a first, substantially flat surface and a second surface with a perimetric wall projecting therefrom. The reversible load floor is configured to cover the recess in a first position wherein the first surface is substantially flush with the surrounding floor, and in a second inverted position wherein the second surface is substantially flush with the surrounding floor. In the second position, the perimetric wall projects upwardly to form a basin for receiving cargo in a fluid tight manner to prevent spillage in the rest of the vehicle.

Abstract: A truck flatbed platform is disclosed. The truck flatbed platform comprises a frame structure and a corrugated metal member within the frame structure. A full-span truck flat bed platform designed and constructed in accordance with the present invention has increased load-bearing capacity, is lighter in weight, and requires less welding and less labor expenditure than that needed for the construction of conventional ladder-type flatbed platforms.

Abstract: A composite pickup box for an automotive vehicle is constructed of extruded floor beams combined with extruded wall sections and extruded corner sections. An outer skin is attached to the wall sections in such manner as to cover the exterior portions of the wall sections and corner sections.

Abstract: A travel trailer having a two-level chassis supporting at least two discrete floor sections at at least two different heights above the ground with at least one of those floors having a bathroom portion being supported by an upper chassis beam is disclosed. In a preferred embodiment, the chassis has a substantially horizontal forward upper portion and a substantially horizontal rearward lower portion, and an upper floor is secured to the upper portion and a lower floor is secured to the lower portion with an intermediate floor positioned below the upper edge of the upper portion of the chassis to a height intermediate that of the upper and lower floors. In an alternative preferred embodiment, the intermediate floor is suspended below the upper chassis portion. The area underneath the intermediate section and above the bottom of the trailer defines a storage area that is not blocked or limited in size by the width of the chassis beams.

Abstract: A wall structure of a trailer box (10) is constructed from a plurality of panels (36, 38, 40) which are welded together where their edges meet. The panels (36, 38, 40) are each extrusions and each includes thin side skins (42, 44) and thin webs (46, 48, 50). The edge regions that are connected together include thickened portions that dissipate a substantial amount of the heat provided by the welds (56, 58). A plurality of panels (36, 38, 40) are welded together to form a large wall structure (WS). This wall structure (WS) is then reconfigured by a roll-forming machine (FIGS. 8-10) to provide a box (10) having a longitudinally straight and laterally curved configuration. Laterally considered, the box (10) has a concave inner side and a convex outer side. This shape of the box provides the box with both sidewalls and a bottom. The overall construction of the trailer box is lightweight and quite strong and facilitates construction of the truck/trailer box.

Abstract: A hinge and support system for supporting cargo in a freight compartment is provided. The system includes a hinge member, associated with a deck panel, which has at least one flexible projection. The hinge member mates with a support member having a pocket for which the hinge member's flexible projections can be snapped into and retained within so as to allow pivotal movement of the hinge member with respect to the support member. The hinge member is also movably supported by the deck panel so that the hinge member can move relative to the deck panel when the deck panel is deployed. The support member includes one ledge which engages the deck panel when deployed and a second ledge which engages the panel when stowed upright so as to substantially isolate the hinge member from the weight of the deck panel and items placed on it. The hinge structure can be utilized in other contexts.

Abstract: The invention relates to reinforced composite vehicle load floors of the sandwich-type having a cellular core. In a method for making a load floor of the invention, a stack is formed that is made up of: a load-bearing upper skin made of a reinforced thermoplastics material; an upper skeletal frame structure of reinforcing slats each of which is made of a reinforced thermoplastic composite or pultrusion; a cellular core made of a thermoplastic material; a lower skeletal frame structure of reinforcing slats each of which is also made of a reinforced thermoplastic composite or pultrusion; and a bottom skin made of a reinforced thermoplastic material. Each of the frame structures of reinforcing slats has a surface area that is smaller than the surface area of each of the skins. The frame structures of reinforcing slats are positioned symmetrically about a plane formed by the cellular core against the skins.

Abstract: A belly pan, or membrane of rigid yet flexible material is of elongated shaped outline to be mounted along the bottom of tractor-trailer to improve the aerodynamic performance. The belly pan is provided with a tapered front portion to be attached to the frontal portion of the trailer to the approximate location of the truck hitch. The belly pan extends rearwardly, under the trailer, between the rear wheels in a rectangular portion and the rearward edge is affixed to the ICC bumper of the trailer. An aerodynamic shaped deflector is attached to the frontal portion of the landing gear of the trailer and attaches to the belly pan for reducing drag between the underside of the trailer and the support beams of the landing gear. A similar aerodynamic shaped deflector is attached to the frontal portion of the ICC bumper and attached to the belly pan for reducing drag between the underside of the trailer and the beams of the ICC bumper.

Abstract: The invention relates to a mobile work machine, especially a mobile concrete pump, comprising a chassis (10) and accessible platforms (22) which are positioned on carrier brackets (26) projecting laterally from the chassis. The aim of the invention is to produce and mount said platforms (22) in a simple manner. To this end, the platforms consist of hollow profiled rails (30, 30′, 32) having a downward-facing profile wall (34) which rests against the carrier brackets (26), the rails being detachably connected to the brackets.

Abstract: A bed assembly for a motor vehicle includes a floor pan that defines a bed surface extending between longitudinal sides. Each of the longitudinal sides includes a side support surface spaced from and parallel to the bed surface. The bed assembly also includes a sidewall panel having a lower end defining a base surface disposed adjacent to and supported by the side support surface. In addition, the bed assembly includes a retention member extending along a portion of one of the longitudinal sides to secure the base surface to the side support surface. The retention member maintains the sidewall panel in abutting relation to the floor pan.

Abstract: A roll-formed one-piece vehicle bed member having plural downwardly-opening channel-like ribs extending longitudinally of the bed member and terminating at front and rear edges. The ribs adjacent one end are deformed to define rib portions which slope downwardly from the top of the ribs for merger with a flat transverse edge flange. The top wall of the sloped rib portion has a center wall portion which is offset downwardly relative to side edge portions which join the center wall portion to side walls of the rib.