Abstract: An implement attachment apparatus is provided for use with a lawn and garden tractor and an implement. The implement has first and second attachment brackets having first and second holes and first and second slots respectively. The lawn and garden tractor includes a frame having first and second surfaces with first and second openings respectively. The tractor also includes a plurality of wheels operatively connected to the frame, an engine for use in providing locomotion to the plurality of wheels and, first and second extension members extending from the first and second surfaces of the frame. The implement attachment apparatus includes first and second pins as well as securing apparatus for securing the first and second pins in place. The first and second slots of the implement receive the first and second extension members respectively. The first and second holes of the implement and the first and second openings of the frame selectively receive the first and second pins respectively.

Abstract: A vehicle adapted for exclusively off-road operation and particularly useful as an airport ground support vehicle. The vehicle having an intermediate gross vehicle weight capacity generally in the range of approximately 6,000 to approximately 15,000 pounds. The vehicle having a frame for receiving a variety of vehicle accessories, such as a lavatory service tank, water service tank, maintenance lift or the like, and having a cab-portion for housing an operator of the vehicle located rearward of an engine. The vehicle including a drive train powered by the engine for powering the wheels of the vehicle, where the drive train, frame and engine are adapted to provide the vehicle with the intermediate gross vehicle weight capacity. The frame assembly may include a reinforced ramp resulting in the rear portion of the frame assembly having increased strength for supporting heavy loads while the front portion of the vehicle has lower profile accommodating ease of entry, exit and maneuverability.

Abstract: An extendable truck frame includes extended frame rails and interconnecting members. One end of the extended rails includes a connection that can be received by and secured into the back end of truck frame. In one embodiment, the extended rails can be positioned either at the general level of the truck frame to essentially extend the truck frame in the same general plane as the truck frame, but alternatively can be secured to the truck frame at a different, for example lower, position. The extended frame is releasable by interconnecting mechanisms so that extended frame can be selectively used.

Abstract: A vehicle bumper assembly comprises a bumper armature and a front portion of a subframe both attached by brackets to the front of crumple zones in longitudinal parts of the body structure and to the side sections of the subframe. The subframe front portion is longitudinally level with the armature but vertically below it, and an outer bumper panel covers both the armature and the subframe front portion.

Abstract: The present invention relates to a method for making a vehicle frame member having a shock absorbing mounting portion constructed and arranged to be mounted to a structural component within a motor vehicle. The method comprises hydroforming a tubular blank within a hydroforming die by supplying pressurized fluid to the hollow interior of the blank. A drawfornming member is moved inwardly with respect to the cavity of the hydroforming die while the fluid is pressurized so that the drawforming member deforms a portion of the tubular wall inwardly to form a recessed portion having an annular side wall portion and a bottom wall portion. The formed tubular blank is then removed from the hydroforming die and a mounting structure is disposed inside the recessed portion and the blank and mounting structure are then disposed within an injection molding die. Molten shock absorbing material is injected into the recessed portion so that the molten material surrounds the mounting structure.

Abstract: A frame construction includes at least one nodal connection element and several tube-shaped frame elements connected thereto. The frame elements and the nodal connection elements are manufactured by hydraulic internal high pressure forming and are joined via plug-type connections. Each nodal connection element has at least two connections for adjoining frame elements. The nodal connection element consists of at least two internal-high-pressure-formed tube-shaped hollow bodies in a nested configuration. The hollow bodies are made of different materials, and have different cuts in the area of the connections--viewed in the longitudinal direction of the respective connection, allowing connection with frame elements made of corresponding different materials. In the area of each connection, one of the two hollow bodies, in addition to being connected in a plug-type connection with the adjoining frame elements made of the same material, is connected by an additional connection.

Abstract: An upper frame assembly for a skid steer loader machine includes a pair of spaced tower assemblies. Each of a pair of side members has a rear end portion connected to a respective tower assembly so that a front end portion of the side members extends longitudinally from the tower assemblies. A crossmember assembly extends between the pair of tower assemblies at a position between the front and rear end portions of the side members. The crossmember assembly and front end portions of the side members define an open access area. The crossmember assembly and rear end portions of the side members define an open service area. Both the open access area and open service area are unobstructed by structural elements of the upper frame assembly.

Abstract: An integral tubular metal cradle (1) for a motor vehicle, comprising tubular central portion (2) with two arms (5, 6 or 7,8) extending from each end (3,4) thereof and having a substantially open, semi-tubular cross-section, the arms being at a dihedral angle of less than 180.degree. at the point of connection to the central portion (2). The arms (5,6,7,8) provide a connection both to the vehicle bodywork and to either a front wheel wishbone or the rear axle of the vehicle. A method for making the integral tubular metal cradle is also provided.

Abstract: An engine cradle for use in a vehicle frame assembly is described wherein the integral central portion of an engine cradle is provided towards the rear end of the vehicle/body frame assembly such that the leg portions of the engine cradle extend forwardly therefrom. The central portion of the engine cradle is formed integrally with the legs to form a single unitary "U"-shaped member. A separate cross member is provided which extends between the two leg portions of the engine cradle and is secured thereto.

Abstract: An upper frame assembly is mounted to a lower frame assembly to define a main frame assembly for a work machine, such as a skid steer loader, which has distributed loading throughout the mounting therebetween. The distribution of loading is achieved by mounting the upper frame assembly along a pair of side members which extend along its length to a respective pair of side rails of the lower frame assembly which extend along its length. The side members and respective side rails of the upper and lower frame assemblies are connected by exclusive horizontal bolting therebetween.

Abstract: A vehicle frame structure comprises a right side primary longitudinal member and a left side primary longitudinal member, at least two cross beams extending there between that define in combination a ladder like frame having a forward portion and a rearward portion that correspond with the front and rear of a vehicle. Right and left side rocker members are supported in a spaced relationship with respect to the right and left side primary longitudinal members. A "C" node is disposed between adjacent primary members and rocker members. Right side and left side rear beams have a forward end and an opposed rearward end, an upper surface and an opposed lower surface, and an inwardly facing surface and an opposed outwardly facing surface.

Abstract: A modular vehicle frame assembly includes a first generally U-shaped front cradle having a base portion and a pair of spaced apart leg portions extending forwardly from the base portion. A second generally U-shaped front cradle has a base portion and a pair of spaced apart leg portions extending rearwardly from the base portion. The second front cradle is secured to the first front cradle. A pair of axially extending side rails are secured to the leg portions of the second front cradle and extend rearwardly therefrom. A third generally U-shaped rear cradle has a base portion and a pair of spaced apart leg portions extending rearwardly from the base portion. The third rear cradle is secured to the side rails.

Abstract: A front suspension and steering mount cradle is disclosed for front-wheel-drive and all-wheel drive motor vehicles which provides improved component packaging, noise isolation, and heat shielding. The cradle includes laterally spaced apart supporting end arches integrally joined by a transversely extending inverted U-section saddle, wherein each arch is defined by an upper section terminating in downwardly diverging front and rear legs. Each front leg ends in a pivot pin fitting for connection to a suspension arm front pivot bushing while each rear leg terminates in a footpad housing connection for a rear bushing fitted on a rearward extending stem of each arm. Each cradle forward leg provides a pedestal bracket for supporting a frame front isolator assembly while each rear footpad supports a frame rear isolator assembly. A pair of upstanding engine mounting flanges on the saddle bight wall insure exact powertrain orientation.

Abstract: A space frame for a low profile, light truck with triangulation members of the space frame located under the floor is described having a passenger compartment, and front and rear wheel assemblies. The space frame comprises a front clip portion above the front wheel assembly, a rear clip portion above the rear wheel assembly, and a tub portion supporting the base of the passenger compartment. The tub portion includes a plurality of structural members at least two of which are disposed in horizontal coplanar relation relative to one another wherein additional structural members of the tub portion are connected together in a triangulated configuration at an elevation at or below the at least two horizontal coplanar structural members of the tub portion. Foldable rollbars are also provided.

Abstract: An aluminum extruded node for interconnecting a longitudinal frame rail and a lateral frame member of a vehicle frame. The extruded node having a pair of longitudinal side walls received within an interior volume defined by the longitudinal frame rail and a pair of transverse side walls received within an interior volume defined by the lateral frame member. Interior wall portions extend between each of the pairs of longitudinal and transverse side walls to define closed cells for increasing the stiffness and structural integrity of the node. The longitudinal frame rail is peripherally welded around an end thereof to the node. The lateral frame member is peripherally welded around an end thereof to the node.

Abstract: A cradle assembly for a motor vehicle comprises a pair of spaced side frame members, a front cross frame member and a rear cross frame member. The front cross frame member is connected with front ends of the side frame members. The rear cross frame member extends between rear ends of the side frame members. The frame members are formed from tubular metal blanks by a hydroforming process in which each blank has fluid pressure provided internally thereto and thereby radially expanded so that the frame members have a peripheral configuration modified with respect to an original peripheral configuration of the associated blanks.

Abstract: An apparatus for manufacturing vehicle frame components using composite fiber pultrusion techniques includes one or more sources of a fibrous material. A bath or similar structure is provided for applying a resin material to the fibrous materials from the sources. Following the application of the resin, the fibrous materials are then pulled through a die. The die is formed having an opening therethrough which corresponds in shape to the desired cross sectional shape of the vehicle frame component to be manufactured. As the fibrous materials are pulled through the die, they conform to the shape of the opening formed therethrough. Because of the resin applied thereto, the fibrous materials adhere to one another to form a pultrusion which retains the shape of the opening formed through the die. The formed pultrusion is then pulled through a curing oven which heats the resin to a predetermined curing temperature, causing it to harden a rigid condition.

Abstract: A combined engine cradle and cross member structure for use with a vehicular body and frame assembly is lighter in weight than known structures. The engine cradle is formed from tubular stock material using mechanical bending and hydroforming techniques to have a generally U-shaped configuration including a central portion having a pair of leg portions extending therefrom. The cross member is also formed from tubular stock material using hydroforming techniques and has a pair of end portions. The end portions of the tubular cross member are secured to the leg portions of the tubular cradle to form the combined engine cradle and cross member structure. To accomplish this, the end portions of the tubular cross member may have notches formed therein which receive the leg portions of the engine cradle therein. The end portions of the cross member may be secured to the leg portions of the engine cradle in any conventional manner, such as by welding.

Abstract: A front suspension and steering mount cradle is disclosed for front-wheel-drive and all-wheel drive motor vehicles which provides improved component packaging, noise isolation, and heat shielding. The cradle includes laterally spaced apart supporting end arches integrally joined by a transversely extending inverted U-section saddle, wherein each arch is defined by an upper section terminating in downwardly diverging front and rear legs. Each front leg ends in a pivot pin fitting for connection to a suspension arm front pivot bushing while each rear leg terminates in a footpad housing connection for a rear bushing fitted on a rearward extending stem of each arm. Each cradle forward leg provides a pedestal bracket for supporting a frame front isolator assembly while each rear footpad supports a frame rear isolator assembly. A pair of upstanding engine mounting flanges on the saddle bight wall insure exact powertrain orientation.

Abstract: A frame assembly for a motor vehicle and method of manufacturing the same. The method includes the steps of: forming a rearward frame module, forming a forward frame module, and forming a central frame module including a pair of longitudinal central frame siderails.

Abstract: The frames of many construction machines comprise a complex compilation of fabricated sections or massive cast members that are not necessarily intended to handle a specific type of loading applied to the frame assembly. The present invention provides a frame construction that includes a pair of laterally spaced plate members. Each plate member has a first end portion constructed of a substantially solid plate. A second end portion of the plate members define at least one opening that provides an integral portion of a beam assembly. The first end portion is positioned in the frame construction to accommodate a first type of loading, while the second end portion is located in an area to accommodate a second type of loading.

Abstract: A modular chassis for a front engine-rear drive motor vehicle is described which comprises as structural components a front structural member comprising the engine and attachment points for front suspension members is attached rigidly and detachably to a middle structural member comprising a tube and the middle structural member is attached rigidly and detachably to a rear structural member comprising a transmission and attachment points for rear suspension members wherein the middle structural member is longitudinally disposed on the center line of the vehicle between the front structural member and the rear structural member and supports the majority of the torsional, lateral and longitudinal loads created between the front and rear structural members and the front and rear structural members support the torsional, lateral and longitudinal loads created between each and the middle structural member.

Abstract: The present invention relates to a vehicle or machinery (1) having a chassis (2) provided with ground engaging members (3) mounted on at least one transverse chassis member (4) and laterally spaced apart longitudinal chassis members (5). Each of the longitudinal chassis members (5) includes a plurality of modular elements (6) fastened together end-to-end (13, 14), which modular elements (6) are substantially hollow for housing therein moving parts (8) of the vehicle or machinery. The modular elements have access openings (18) for accessing the moving parts (8) in the interior (16) of the hollow modular elements (6), and closure panels (19) provided therefor. The present invention also extends to a modular chassis member (5) and a modular chassis element (6).

Abstract: A frame assembly for a motor vehicle and method of manufacturing the same. The method comprises the steps of: forming a rearward frame module, forming a forward frame module, and forming a central frame module comprising a pair of longitudinal central frame siderails.

Abstract: A trailer with easy change axles is disclosed. Such trailer comprises a frame fabricated of tubular steel having parallel side rails and parallel front and rear rails with a transverse stabilizing rail extending from side rail to side rail adjacent to the rear rail. The frame also has a forwardly extending triangular coupling component extending forwardly from the front rail. Arcuate leaf springs extend downwardly from the frame and are coupled thereto on opposite sides of the stabilizing rail. A tubular rear axle support with a hollow rectangular configuration and opposite ends is secured at upper extents to lower extents of the leaf springs. The rear axle support has horizontal apertures extending therethrough adjacent to the opposite ends. A forwardly extending hitch member with a rearward end is secured to the front rail of the frame. A rearward region is secured to the forwardmost portion of the coupling component with a forward end with a vertical aperture extending therethrough.

Abstract: A rail frame assembly for a motor vehicle comprises a rearward frame module having a pair of generally parallel rearward frame rail members interconnected by a rearward cross-member assembly. A central frame module includes a pair of generally parallel central frame rail members interconnected by a central cross-member assembly, the central frame members each having a generally U-shaped transverse cross-sectional configuration including a vertical base wall portion and a pair of outwardly extending generally parallel horizontal wall portions extending from opposite ends of the base wall portion. The U-shaped central frame members are each bent between two spaced positions thereof, and one of the horizontal wall portions extending from one end of the base wall portion has metallic grains therein substantially stretched at a location between the spaced positions.

Abstract: An improved elongate aluminum alloy product, and a method of producing such a product, ideally suited for use as a component in a vehicle frame or subassembly, i.e., body-in-white. The alloy consists of essentially 0.45 to 0.7% magnesium, and about 0.35 to 0.6%, silicon, and about 0.1 to 0.35%, vanadium, and, 0.1-0.4% iron, preferably 0.15 to 0.3%, the balance substantially aluminum and incidental elements and impurities.

Abstract: A floor structure of an electric vehicle powered by batteries mounted thereon comprises an upper unit and a lower unit which are detachably coupled. The upper unit includes a first panel and a first base structure. The first panel is securely mounted on the first base structure in a manner to define a first given space which faces downward. The lower unit includes a second panel and a second base structure. The second base structure is securely mounted on the second panel in a manner to define a second given space which faces upward. Bolts and nuts are used for detachably coupling the upper and lower units in such a manner that the first and second given spaces are merged to constitute a united space. A grid structure is further employed which divides the united space into a plurality of container spaces. Each container space is sized to contain therein at least one of the batteries.

Abstract: A Automotive Frame Shortening Device used in the shortening of original equipment automotive frames in the building of kit cars or custom hot rods. The frame shortening device provides an inexpensive yet reliable and extremely rigid and durable means of shortening automotive frames. The shortening of these frames is accomplished without the use of welding or cutting torches so as to leave the automotive frames molecular structure uncompromised.

Abstract: A retainer is provided for retaining a catch mounted to a first portion of a split ramp car in its unlocked position as a second portion of a ramp car exits a locking area in which it is previously locked. An arm portion of the retainer extends into the locking area and controls the operation of the retainer in response to the movement of the ramp and the locking area. A fluid coupler, automatically couples a first and second portions of a main reservoir pipe and a first and second portions of a brake pipe connected to each first and second portion of the ramp car respectively, when the ramp is in its raised and travel position. Valves in each of the main reservoir passages close the main reservoir passage when the first and second housings are separated and opens the main reservoir passages when the first and second housings are joined. An electrical coupler is also automatically coupled as the two portions of the ramp car are joined.

Abstract: A retainer is provided for retaining a catch mounted to a first portion of a split ramp car in its unlocked position as a second portion of a ramp car exits a locking area in which it is previously locked. An arm portion of the retainer extends into the locking area and controls the operation of the retainer in response to the movement of the ramp and the locking area. A fluid coupler, automatically couples a first and second portions of a main reservoir pipe and a first and second portions of a brake pipe connected to each first and second portion of the ramp car respectively, when the ramp is in its raised and travel position. Valves in each of the main reservoir passages close the main reservoir passage when the first and second housings are separated and opens the main reservoir passages when the first and second housings are joined. An electrical coupler is also automatically coupled as the two portions of the ramp car are joined.

Abstract: A lightweight structure for a flatbed trailer having a cellular stiffening structure formed from a plurality of vertically arranged partitions which form a multiplicity of polygonal cells is disclosed. The cellular structure has the advantage of providing a strong lightweight structure which efficiently transmits load forces from the floor structure to the base upon which the wheels, suspension system, kingpin and landing gear are mounted. The resulting trailer has about a 4000 pound weight advantage over conventional steel frame trailers and about a 2500 pound weight advantage over conventional aluminum frame trailers, which translates directly into increased payload capacity as the trailer of the invention is capable of carrying loads up to the maximum legal weight limits in most states.

Abstract: A modular vehicle is constructed of front, rear and center vehicular sections. The front vehicular section includes a steering wheel, front steerable wheels and a steering linkage mounted on a front chassis portion, with the steering linkage steerably connecting the steering wheel to the front steerable wheels. The rear vehicular section includes a motor, rear drive wheels and a drive transmission mounted on a rear chassis portion, with the drive transmission drivingly connecting the motor to the rear drive wheels. The center vehicular section has a seat and roll cage mounted on a center chassis portion. The modular vehicle also includes a plurality of releasable connections attached to and disposed between respective adjacent upright extending segments of the front, rear and center chassis portions of the front, rear and center vehicular sections.

Abstract: A bearer joint for a vehicle bodywork, and in particular a longitudinal front bearer joint, and a method for placing a aluminum bearer member on the bearer joint in the vehicle bodywork. The bearer joint comprises a cast aluminum connector for joining together a first forward bearer member and a second rearward bearer member. The connector includes a tubular aluminum recess or socket for receiving the rearward end of the first aluminum bearer member which is fixed thereto by a transverse weld seam at the front receiving edge of the socket. A plurality of offset thickened regions with through holes are provided to the periphery of the socket. To replace a damaged front bearer member, the weld is cut and the damaged front bearer is withdrawn from the socket. A repair kit is provided which includes a replacement front bearer member and a platelike insert sized to fit within an end of the replacement bearer member.

Abstract: A space frame for an automotive vehicle includes at least one longitudinally extending structural member and at least one rocker including a structure forming channels on at least two sides, one of the channels receiving the structural member and an adhesive and/or sleeve for securing the structural member to the rocker.

Abstract: A vehicle frame (200) has a rear portion with a rear siderail (204) of hat-shape cross-section, and a front portion with a front siderail (202) of C-shape cross-section received within the hat-shaped rear side-rail. The siderails are attached to each other at a joint (206) and have respective vertical sections (208) and (210) in overlapped contact with each other at the joint and providing a first mounting pad (230) of increased stock thickness. A cross member (226) is attached to the siderails at the joint and has a vertical flange (228) in overlapped contact with a respective vertical section (214) of the rear siderail to provide a second mounting pad (232) of increased stock thickness. A spring hanger (218) is mounted to and extends horizontally between the mounting pads.

Abstract: An auxiliary frame for a wheel suspension system of a motor vehicle is fastened to the vehicle body and has bearing receiving devices for links of the wheel suspension. The auxiliary frame is constructed in two parts and has a first cross member which is connected with a second cross member by way of fastening bolts which, at the same time, are used for the fastening of link bearings on the auxiliary frame. This design results in the constructional expenditures of the connections to the link bearings being substantially reduced.

Abstract: A plastic monocoque body useful with small vehicles, such as lawn and garden tractors. A lower fiberglass reinforced plastic frame member is bonded to two upper body members to form a monocoque body. The assembly incorporates attaching, pivot and support structures for the engine, transaxle and drive wheels, steerable front wheels, steering mechanism, clutch and brake pedals and control linkages, shift and throttle controls and linkages, adjustable mower deck, adjustable seat and battery. Through utilizing the net shape manufacturing process, no metal skeleton is required, thereby reducing the expense and complexity of manufacture, assembly and paint operations.

Abstract: A space frame for an automotive vehicle includes a plurality of hoop-shaped structural members and a structure disposed on adjacent portions of the structural members for allowing nesting engagement therebetween to form a substantially flush outer surface between the structural members. The structure includes at least one shoulder portion and at least one extension portion on one of the structural members.

Abstract: A space frame for an automotive vehicle includes a plurality of structural members. Each of the structural members has a channel. The space frame also includes a connector disposed in the channel of each of the structural members and a joint structure and/or adhesive for joining the connector and the structural members together.

Abstract: A modular frame for automotive vehicles, which comprises a pair of side rails oriented parallel to one another, each side rail having a plurality of apertures being substantially similar in size and shape with respect to one another. Cross members and auxiliary mounts are secured to the side rails by adapters that have a size and shape corresponding to the apertures in the side rails. The means for securing the adapters to the side rails allows the load to be distributed over a wide area of the side rail to reduce stress concentrations. The combination of the adapters and the plurality of similar sized apertures results in a modular structural frame connection system for vehicles.

Abstract: A motor vehicle body structure has a pair of side frames each comprising a core layer having opposite surfaces and a pair of outer skin layers covering the opposite surfaces, a motor vehicle component, and joints disposed between the side frames and the motor vehicle component, for joining the motor vehicle component to the side frames through surface-to-surface contact therebetween.

Abstract: A truck frame (10) supports the non-continuous structural components of a truck, including a front cab (12) and a rear load box (14). The truck frame includes a front frame (16) supporting the front cab, and a rear frame which is split into a front portion (70) supporting the front cab (12) and the rear load box (14), and a rear portion (72) supporting the rear load box (14). The front and rear portions of the truck rear frame have siderails (74, 76, 78, 80) which are separately formed structural components attached to each other at joints (82, 84) at the rear spring front hangers (48, 54).

Abstract: A vehicle body structure for a passenger car having a forward member and an exterior side member, where the forward member and the side member are formed by extruded profiles. A light metal junction connects the forward member and the side member, this junction being formed by a cast part and having first and second junction elements. The first junction element has an open end and a closed end and extends in the longitudinal direction of the vehicle for receiving an end of the forward member in the open end. A second junction element is aligned essentially transversely to the longitudinal direction of the vehicle and abuts and side member. This second junction element has a receiving channel that receives the first junction element. The body structure includes a floor and a transmission tunnel, with the second junction element abutting the floor and the transmission tunnel of the body structure. The first and second junction elements are additionally connected.

Abstract: The part-mounting structure of the present invention includes a part-mounting portion of a sandwich structure constituted by a core layer and plastic skin layers formed on both surfaces of the core layer, and a part-mounting metal member, at least one of the skin layers having a tapered recess having a sloped side wall and a flat bottom wall, the bottom wall being constituted by the skin layers bonded together, the part-mounting metal member having a bottom plate, and a pair of side plates vertically extending from the bottom plate substantially on both sides, at least one of the side plates having a dent tapered complementarily to the tapered recess of the sandwich structure. The part-mounting metal member is mounted to the part-mounting portion of the sandwich structure with a surface of the tapered recess of the sandwich structure and a surface of the tapered dent of the part-mounting metal member bonded together by an adhesive.

Abstract: An apparatus and method are disclosed for modifying motor vehicle frames to provide for the installation of drive line components that are different, heavier or larger than the drive line components originally installed by the manufacturer of the vehicle or drive line components that were not originally present in the vehicle. Accessory hangers to provide support for those, different, heavier, larger or additional drive line components are attached to the frame without adversely affecting the structural integrity of the frame. The accessory hangers are easily removable to provide for the reinstallation of the original drive line components. The engine compartment is enlarged when necessary by providing spacers between the body of the vehicle and the frame to enlarge the height of the engine compartment.

Abstract: Arrangements are disclosed for an automatic mobile and components thereof together with a new mass transit system for said mobile wherein cost reductions, manufacturing simplicity and new methods of travel are obtained primarily through the use of Intregrated Sub Systems, Symmetry, Remanufacturability, Transfusion Coatings, and an Automatic Transport Mode thereby resulting in elimination of large automotive assembly plants and the haulaway delivery industry with subsequent opening-up of competition which will allow new automotive industries to form with very minimal investments.

Abstract: For commercial and special vehicles, such as e.g. weapon transporters, mobile radar stations, mobile satellite control stations and mobile cranes, which must carry very considerable weight, very robust chassis are required.The inventive chassis (1) has a so-called box-frame construction. It comprises a lower and an upper carrier plate (2, 3), which are reinforced and joined by reinforcing elements (12) located between them. This construction leads to an enormous load bearing capacity and extremely high rigidity against twisting or torsion in the case of a reduced height of chassis (1). Unlike the case of conventional chassis constructions with an overall height of 30-40 cm, minimum heights of approximately 10 cm are possible here. Through covering the outer faces of the chassis with vertical cover plates, an additional reinforcement is obtained.These measures permit a configuration which, even when using large wheels, makes it possible to mount the chassis at a very low level.

Abstract: A personal mobility vehicle comprises front and rear frame sections which can be disassembled and assembled. The frame sections are secured together by a pivotable detachable connection such that the rear frame section is lockingly received in the rear portion of the front frame section and the length of the assembled frame is substantially the same as the length of the front frame section itself. An auxiliary frame section is also provided which can be readily attached to the powered rear frame section to provide improved mobility in those situations in which space for turning is limited.

Abstract: A vehicle frame consists of three longitudinally separate frame sections, i.e., a front frame section, center frame section and a rear frame section. The frame sections are manufactured and assembled in the respective independent lines and painted and equipped with chassis sub-assemblies independently, whereby to constitute a front frame module, center frame module and a rear frame module, respectively. The frame modules are finally bolted together to constitute a complete chassis.