Abstract: A pre-assembled wheeled assembly is attached as a pre-assembled unit to a foldable, erectable display stand, and is removable as a pre-assembled unit from the stand. The wheeled assembly includes a support, at least one wheel journaled on the support, and holders on the support for quick and easy attachment and removal of the wheeled assembly.

Abstract: A folding frame assembly of a golf cart which includes a handle having a handle connector pivoted to a handle bracket at one end of a front bag cradle on the main frame of a golf cart, wherein the handle connector has a hook adapted for hooking up with a retainer member in the front bag cradle to lock the handle in the operative position; a press control member is mounted in a hole in the front bag cradle and controlled to disengage the retainer member from the hook of the handle connector for permitting the handle to be collapsed; and a spring is mounted in the front bag cradle to impart a pressure to the press control member so that the press control member is automatically returned to its former position after each operation.

Abstract: A foldable load conveyance apparatus including 1) a basic support frame assembly; 2) a pair of handle support assemblies pivotally connected to outer opposite ends of the basic support frame assembly; and 3) a collapsible support wheel assembly releasably connected to the basic support frame assembly. Each handle support assembly has a handle grip tube section with a connector member for releasable connection to an ATV. The collapsible support wheel assembly includes a pair of wheel support struts pivotally connected to the basic support frame assembly and operable to receive and support a support wheel assembly therebetween. The foldable load conveyance apparatus is operable to be collapsed into a compact condition for ease of conveyance, transporting in a vehicle, and storage; and selectively movable to a support table condition for multiple uses.

Abstract: A foldable and portable hand propelled cart for use in transporting game from a hunting site. In its broadest context, the cart construction has both a folded and an unfolded orientation. A method of transporting the cart is provided. The method includes the steps of providing the cart construction as well as two straps which can be affixed to the cart in its folded orientation. In this way, the folded cart can be worn as a backpack.

Abstract: A tool cart designed and configured to receive a number of diverse accessories. The steel frame of the tool cart is fully machined and has a powder coating. Numerous pre-existing holes in the frame allow the consumer to select a wide number of accessories for the cart. This permits the consumer to adapt the cart to fit his specialized needs. The tool cart also includes a bolted on tool box for storing and securing tools and a power strip for providing electricity to the various accessories. Wing extensions increase the ease of use (eg. in cutting work pieces) and by securing the accessories in the cart or locking the tools in the tool box, the tool cart of the present invention will eliminate tool loss, wasted time and increase efficiency.

Abstract: A collapsible, foldable cart, having a frame with spaced-apart first and second longitudinal frame members defining a plane, and a pair of wheels and a wheel axle connected to the frame. The cart has two foldable shelf members pivotally connected to the frame which are movable between a first position for carrying a load on the shelf member, and a second position wherein the shelf member is disposed in a vertical plane and is between the first and second longitudinal frame members. The cart also includes a handle section pivotally connected to the frame and movable between a first position wherein the handle section is disposed in an operative position in the vertical plane and a second position wherein the handle section is rotated approximately 180.degree. degrees from the first position towards the frame to fold-up and collapse the handle section.

Abstract: A sheet-supporting stand or easel includes two or more legs, at least one of which is adjustable in length, so as to vary the angle of the stand relative to the ground. A U-shaped mast provides a carriage area for holding one or more sheets, and a pair of clamping devices, mounted to the mast, clamp the sheets from opposite sides. The legs can be collapsed and pivoted around their mounting to the mast, such that the entire assembly can be transported in a generally flat and compact configuration. A wheel may be attached to one or more of the legs, to facilitate movement of the stand along the ground. The wheel may be pivoted and held at any desired angle relative to the leg, such that the wheel may be kept away from the ground while the stand is in use.

Abstract: A fishing cart system for transporting a quantity of fishing equipment to and from a fishing site including a collapsible cart assembly having a plurality of fishing rod and reel storage tubes secured to a U-shaped central support member having a first and second end; a fishing equipment support structure, pivotally connected to the first end of the central support member, including a wheel assembly including first and second wheel members connected together with an elongated axle; and a handle assembly pivotally connected to the second end of the U-shaped central support member in a manner to allow the handle assembly to pivot about at least 180 degrees with respect to the U-shaped central support member for convenient storage.

Abstract: A golf bag holder is provided that can be used in addition to standard golf bags or in addition to the use of golf carts. A wide, flat, flared base is provide to a stable, useable vertical holding position for the golfer to place the golf bag holder on a variety of different terrains without worrying about the golf bag tipping over. The golf bag holder is used by placing a standard golf bag in it and securing it with adjustable hook and loop fastener straps. By providing a plurality of useful storage compartments on the exterior of the golf bag holder, the need for access to the storage areas of the golf bag is eliminated. These storage compartments include a scorecard holder, an umbrella holder, a pocket for holding golf tees, a windowed golf ball holder, a cup holder, and a can holder with contacting cooling medium (which allows for chilled beverage cans to accompany the user). Also, retractable wheels and a foldable handle permit the user to easily transport the golf bag holder along a golf course.

Abstract: A golf cart including an upper rod with a handle grip, a pivot joint including an upper member, a lower member and a U-shaped rod, a lower rod locked into the pivot joint, a fixed seat including an integral body having a rectangular portion formed with a vertical opening for fixedly engaging a lower end of the lower rod, an axle member connected to the first and second levers and having a pivot seat on which there is a shaft, a reinforcing plate, and a cylindrical portion, and a supporting seat fixedly mounted on a lower end of the lower rod and having two webs with a threaded hole for engaging the lower rod, a horseshoe shaped receiving plate and a curved stop between the web and the receiving plate.

Abstract: A collapsible, wheeled shopping cart having a horizontal shelf which is vertically movable for easy loading and/or unloading, and having a surrounding skirt that is hinged so as to be collapsible when not in use. The movable shelf may be automatic and movable upwardly when the load on the shelf is decreased or is selectively movable upwardly by a hand crank of a threaded jack or by a piston and cylinder assembly powered by a source of compressed fluid.

Abstract: A collapsible cart comprising a collapsible storage basket which is mounted on a frame consisting of a longitudinal frame member and a horizontal cross frame member. A pair of wheels are rotatably mounted on the opposite ends of the cross frame member. The storage basket is supported on the frame members when the basket is in the expanded state and when it is in the collapsed state.

Abstract: A foldable hand truck apparatus having 1) a main support frame assembly; 2) a support wheel assembly connected to the main support frame assembly which resembles a conventional hand truck structure; 3) an extendable handle assembly having a handle support tube which is anchored to the main support frame assembly; and 4) a dual foldable load assembly pivotally connected to the main support frame assembly. The extendable handle assembly includes a handle member telescopingly mounted within the handle support tube and movable from a compact storage position laterally of the handle support tube to a locked usage position. The dual foldable load assembly includes a luggage or large article support frame and a load support plate, both pivotally connected to a lower portion of the main support frame assembly. The load support plate is first pivotal to a position 90 degrees perpendicular to the main support frame assembly for carrying smaller loads thereon or gripping an edge portion of an article to be moved.

Abstract: A power- and/or manually- driven golf cart which is collapsible, without disassembly, into a compacted configuration for storing or transporting, and extendable, without assembly, into an operable or usable configuration for carrying a golf bag about a golf course. The golf cart includes a golf bag support frame, a pair of lateral support members pivotally connected to the frame and to a pair of ground support wheels, a power-driven wheel supported at the lower end of golf bag support frame, and a power drive mounted on the front side of the frame. A hinge is operably connected between a lower end of the upper frame member and an upper end of the lower frame member to permit the upper frame member and the lower frame member to be pivotally moved between a substantially aligned extended position and a substantially adjacent folded position. At least two connecting rods are pivotally connected at one end to the upper frame member and at their other ends to one of the lateral support members.

Abstract: A base frame assembly for suitcase trucks, including a base frame equipped with a pair of wheels and having two longitudinal sleeves; two first tubes respectively slidably coupled to the sleeves; two tubular stop members respectively fastened to the outer ends of the first tubes on the inside; two second tubes respectively slidably inserted through the tubular stop members into the first tubes, each second tube having an inner end fixedly mounted with a plug cap, which is stopped in place by one tubular stop member when the second tubes are extended out of the first tubes; two stands respectively fixed to the outer ends of the second tubes; and a transverse connecting bar connected between the stands.

Abstract: A golf cart has a supporting frame formed of articulated struts that can be folded during use and can be unfolded to form storage elements for the golf cart.

Abstract: A retractable wheeled accessory for equipment stands is disclosed as having a collapsible axle tube pivotally attached to two interface members which are removably attached to an equipment stand such as a tripod. Wheels are connected to the axle by way of offset crank members. Pivotal rotation of the axle tube by movement of a level arm causes the wheels to alternately engage and disengage a supporting surface. The invention can accommodate various positions of a tripod by adjusting the track of the wheel via the collapsible axle tube and by permitting the two interface members to pivot independently of the orientation of the axle tube.

Abstract: A hand truck apparatus includes a frame assembly, and a wheel assembly is carried by the frame assembly at the first end of the frame assembly. A platform assembly is connected to the first end of the frame assembly. A handle assembly is connected to the frame assembly at the second end of the frame assembly, and a plurality of roller assemblies are connected transversely between the lateral frame members. An extension assembly has a first end adapted to be connected to the second end of the frame assembly. The extension assembly includes a pair of lateral extension frame members spaced apart from each other by and connected to a pair of transverse extension frame members located at respective ends of the extension assembly. The extension assembly also includes a plurality of roller assemblies connected transversely between the lateral extension frame members.

Abstract: A folding cart can be unfolded from a flat, collapsed position to an open position. The cart has opposing front and back side walls which have ledges on their opposing faces, and opposing foldable walls hingedly secured to the front and back side walls. A bottom shelf is positioned on the ledges, and a top lid is positioned on top of the walls to form an inner storage cavity. The cart has wheel assemblies which are pivotally mounted to opposite sides of the back wall, and adjustable legs for firmly fixing or securing the cart to the ground. An umbrella pole passes through openings in the lid and the bottom shelf.

Abstract: A foldable two-wheeled golf pull cart for use in conjunction with a conventional golf bag or which may be formed integral with a specially-designed golf bag. The pull cart of the invention is constructed so that its wheels may be collapsed individually and sequentially to a stowed position directly under the bottom of the golf bag one over the other and parallel to the bottom of the golf bag in coaxial relationship with the longitudinal axis of the golf bag. Each wheel is connected by a strut to a hinge on the frame of the golf pull cart and each wheel may be swung easily to its deployed position by a 180 degree rotation about a corresponding single axis.

Abstract: A collapsible golf bag cart including a seat and easily moved between collapsed and uncollapsed positions. The cart includes a bag support frame, a wheel support frame and a telescoping seat support frame. These support frames are pivotally secured to one another to allow the cart to collapse and uncollapse in a single motion. The seat support frame has telescoping frame halves which extend or retract as the cart is collapsed and uncollapsed. The bag support frame includes spaced apart side members for receiving a golf club bag therebetween. A seat is hingedly mounted atop the wheel support frame and rests on the seat support frame when the cart is uncollapsed.

Abstract: A knockdown golf cart with reduced volume composed of a tube frame assembly, an upper and a lower bracket assemblies, a handle assembly, a wheel support assembly, an L-shaped beam member and a bracket board. The tube frame assembly includes two circular tubes which are formed with inner slide grooves and connected to each other by a fixing ring member. A folding link is connected to a folding link seat disposed under the fixing ring member. The upper and lower brackets are disposed at an upper and a lower ends of the tube frame assembly. The handle assembly includes a slide block slidably fitted in the slide grooves of the circular tubes. The wheel support assembly is secured to the fixing ring member of the tube frame assembly and pivotally connected with the folding links thereof. The L-shaped beam member has a rectangular end fitted with the lower bracket and a flat end fitted with the bracket board.

Abstract: A collapsible cart for carrying luggage or the like has two legs pivoted together at one end for movement between a collapsed position in which the legs are parallel and an expanded, luggage-carrying position in which the opposite ends of the legs are spaced apart into a generally V-shaped configuration. The legs carry wheels at their free ends. A releasable retainer secures the legs together in the collapsed position, and the legs are biassed apart by a spring into the expanded position when the retainer is released.

Abstract: A small foldable shopping cart having a large central load-supporting section defined between front and rear U-shaped frames and pivotally connected to a handle also of U-shaped whose shanks provide rests below the central load-supporting section. At the front frame, a pair of small load-supporting sections are pivotally connected and at the rear frame, another small load-supporting section is pivotally connected.

Abstract: A wheeled stepladder dolly is disclosed wherein the dolly is engageable with both a step of the ladder and the existing cross braces on the support portion of a conventional stepladder to temporarily hold the stepladder in a fixed relationship with the dolly, thus providing a stepladder dolly assembly to be used for transporting heavy boxes of tools or the like. The engagement means are adjustable and configured to be adaptable for a number of brands and varieties of commercially available stepladders.

Abstract: A portable tool truck comprising a molded plastic body with a compartment formed in the front face of the body and adapted to retain tools therein. A first door is mounted at one side of the body, and a second door is mounted at the opposite side of the body. The doors pivot in opposite directions into an overlapping arrangement that seals off the compartment. Numerous tool storage pockets, slots, and apertures are defined in the truck body, and in the interior faces of both doors, to retain a plethora of diverse tools therein. Plastic crates, for retaining power tools, may be secured to guideways on the front face of the forward door.

Abstract: A pair of wheel assemblies adapted to attach to the rear legs of a folding lawn chair so that the chair can be used to transport heavy or bulky items from a car to a picnic site. The cargo is carried on the seat of the chair. The chair can be used for conventional seating purposes with the wheels in position ready for operation. The wheels are brought into contact with the ground by tipping the chair rearward. Each wheel assembly can be rotated about the axis of its associated leg and locked into a plurality of positions, including the position in which, for stacking and storage purposes, the wheel lays flat against the plane of the chairs rear leg assembly.

Abstract: The mobile carrier for an augmentative communication device of the present invention encompasses an apparatus enabling the carried augmentative communication device and carrier to be pushed or pulled to accommodate users preference for walking and their disability. The handle of the carrier is adjustable, to accommodate different people of different heights, as well as to adapt to individual needs of users depending upon the severity of their handicap, and the carrier is foldable to a cane configuration for instances where there is insufficient space to allow the carrier to be used in its rolling configuration.

Abstract: A hand truck adapted for transporting a magnetic base drill press. The invention consists of a two-wheeled cart with a lower horizontal platform having a vertical ridge shaped to conform to the base of a commonly used magnetic base drill press. The invention also has an adjustable locking device adapted to secure the power head of the drill to the hand truck so that it may be easily and safely moved from place to place.

Abstract: This invention relates to a dual-seat stroller and in particular to one including a front frame having arm members and connectors, a rear frame having arms members and connectors joined with the connectors of the front frame, leg members pivotally connected with the connectors and having a fixing block with a rod member, the rod member being formed with an engaging seat and a tubular member, two handles provided with a positioning seat pivotally connected with the tubular member and the rod member at one end and pivotally connected with the arm members, and linking rods pivotally connected with the arm members and leg members, linking rods connected with the arm members being pivotally connected with linking rods connected with the leg members, whereby the stroller may be expanded or collapsed as desired.

Abstract: Presented is a wheeled carrier defining a nacelle within which may be carried articles to be transported, such as duck and goose decoys. The carrier includes a main frame joined by a bottom frame structure to form the nacelle. Wheel assemblies are pivotally mounted on the main frame and may be attached or detached from the bottom frame structure for use or for storage.

Abstract: A paint container retainer and convertible pump assembly cart for portable painting equipment. The retainer is adapted to support one of two differently sized paint containers in a generally upright position for providing a supply of paint for the sprayer. The paint container retainer also serves as a supporting foot and is interchangeable with a cart handle to convert the cart from a vertical to a horizontal orientation of the pump assembly.

Abstract: A transport device has a transport container which is movable over the ground and on which a push-or-pull bar and wheels can be fastened, the transport contained having, in operating condition, two bottom surfaces which are inclined at an angle to each other and extend transversely to a vertical longitudinal central plane lying in the direction of movement and are connected to each other at their lower end by a connecting surface, the transport container being formed by two substantially identical half shells. The half-shells (1, 2) are pivotally connected to each other in the region of the connecting surface (1b, 2b) via a shaft (10a) which extends perpendicular to the longitudinal center plane and they are movable between a position swung against each other and the swung-apart operating position.

Abstract: A manually operated hand truck provides for the level carriage of a load supported on the platform thereof by allowing the platform support bar to pivot relative to the handle and central portion of the apparatus. A spring connects the platform with the central portion of the apparatus to draw the handle to a vertical position when the platform is resting on the surface. However, the spring is of insufficient tension to raise the platform when the handle is tilted downward from the vertical, thus allowing the platform to remain on the surface. The platform may thus be slipped under a cooperating pallet supporting a load thereon, or other load, and the handle tilted back without displacing the platform and the load thereon from a level attitude. Thus, loads may be transported by pushing or pulling on the inclined handle, without displacing the load from the horizontal or spilling the load.

Abstract: A wheeled hand held carrier suitable for carrying shopping comprises a rigid molded thermoplastic base to which is mounted a pair of wheels. The base has upwardly extending perimetrical sides to which is secured a tubular collapsible upwardly extendable wall at the upper extremity of which are a pair of handles. The wall folds into the base to form a compact easily portable carrier. The wheels are mounted in recesses molded in the base so that the base forms a waterproof bottom to the carrier. A strap is secured to a front side of the base to receive one of the handles when the carrier is collapsed to secure the carrier in the folded state and to provide a handle by which the collapsed carrier may be carried.

Abstract: A wheeled and foldable luggage carrier comprising a handle assembly slideably coupled to a luggage support surface, a support frame, and an axle assembly. The handle assembly includes a handle, a handle extension, and a longitudinal handle extension slideably connected to tubular members of the support surface, a detachable luggage retaining frame having longitudinal and transverse members is detachably secured to the luggage support surface. A support frame includes a pair of upright support members hingedly secured to a pair of lower upright support members, a pair of diagonal tubular members hingedly coupled to a pair of extension members, and a foldable brace member secured to the termini of the pair of extension members. The foldable brace member includes a locking junction member for locking, folding, and positioning the foldable brace member.

Abstract: A golf club carrier including an inverted U-shaped frame having a pair of spaced apart legs extending from a common cross member. A brace extends between the legs proximate the lower ends thereof. A tripod leg, secured to the cross member, is moveable between a retracted position and an extended position. A plurality of club clips, arranged in pairs, are carried by the legs for the purpose of holding the golf clubs.

Abstract: A convertible cart for a paint sprayer alternatively supports a sprayer pump assembly in either a horizontal or an upright position. When used in the upright position, the pump assembly is positioned for use with a smaller sized paint container, and the container can be securely moved about with the cart. When used in the horizontal position, the pump assembly is positioned for use with a larger sized paint container, and alternatively flexible suction and return hoses permit suction from larger paint containers.

Abstract: An improved cart for carrying articles comprising a rigid frame having a collapsible handle, a rear support portion and an axle with removable wheels and storage member for attaching the wheels to the frame in a manner to minimize the storage area required, together with a fabric article carrier having a opening at its upper end which is reinforced to normally urge the opening to an open position and a rigid member which is hinged to the frame and which is extendable to support the lower portion of the article carrier and which can be folded against the frame to facilitate storage of the cart.

Abstract: A recycling bin cart having a pair of wheels and rigid vertical support coupled to at least two horizontally supported shelves sized and spaced apart to receive recycling bins with the lower shelf being located close to the ground. The cart is used to transport recycling bins containing different segregated trash such as newspapers is used to reduce the lifting of the recycling bins for people who are physically impaired. The device may be folded when not in use in a collapsed position and also may be covered aesthetically for use in the home or apartment by a decorative covering while still being used for collecting individual segregated trash items.

Abstract: A pivotable cart is disclosed which has a first and second support members for supporting a rolled material. The first and second support members are pivotable relative to each other to a storage position. In the pivoted storage position, the cart requires a minimum amount of space. The cart may be easily pivotable outwardly to a use position where it will adequately support an elongate rolled material. The support members are preferably identical, and connected to a pair of spaced wheels such that the support members pivot about the wheel axis relative to each other. A chain prevents the two support members from pivoting relative to each other beyond a predetermined amount. Further, the support members each include a support surface having a generally V-shape with an apex aligned with an apex of the other support member to provide a ditch for support of the coiled material.

Abstract: A controller for contracting the collapsible rods of a baggage carrier wherein a spring-biased sliding element carried by the controller body is pushed downwardly to cause retraction of stop members provided on the rods, thereby permitting the rods to be quickly collapsed into each other when a handle mounted at the top of the rods is also pushed downwardly.

Abstract: A two tier, rolling and folding table has a top planar platform (1) supported at one end by a U shaped first leg assembly (7) connected to the platform by fixed pivots and supported at another end by a pair of legs (11) of a second leg assembly connected to the platform by a sliding pivot bar (12) that slides in guide slots (13) and latches in an open position. The legs of first and second leg assemblies mutually and pivotally intersect intermediate their ends. A bottom planar platform (2) with handle is supported at one end by fixed pivot connections to the U shaped leg assembly, and at another end by fixed pivot connections to the parallel members (23) of a wheeled leg assembly (20) carrying a pair of wheels. The legs (11) connected to the sliding bar (12) pass freely through slots (26) in the bottom platform and pivotally connect to the vertical members (23) of the wheeled leg assembly to lock the wheels in an open position.

Abstract: This invention relates to a golf cart and in particular to one which includes an upper rod with a handle grip, a pivot joint having an upper member, a lower member and a U-shaped member, a seat fixedly locked on the bottom of the upper member, an axle member having pivot seat, and a supporting seat fixedly mounted on the lower end of the lower rod, whereby the handle grip can be adjusted in height as desired and the golf cart may be easily assembled and provide a sturdy construction.

Abstract: A wheeled device for enabling a scuba tank or the like to be moved overground, instead of the user having to carry it, this device having an elongate axle, adjacent each end of which a wheel is rotatably amounted. A pair of tank-engaging members are utilized in connection with the axle, such members being movable between a nested position, in which the members require minimum storage space, and a position in which the members are separated to a limited extent. One of the members has a support platform for supporting a scuba tank, and each of the members has a sidewall-engaging portion for engaging the sidewall of a scuba tank inserted between the sidewall-engaging portions, to rest upon the support platform. Thus, when the scuba tank is resting on the support platform of the one member, the sidewall-engaging portions of both members tightly grasp the sidewalls of the scuba tank, such that the wheeled device does not drop off should the user lift only the scuba tank.

Abstract: The trolley has a collapsible structure composed of rigid or semi-rigid, typically cardboard panels. The panels can be folded relative to one another between a collapsed state in which the majority of them lie in compact, coplanar relationship and an erected state in which they define an open-topped box. A wheeled axle is connected to the structure to permit the box to wheeled over the ground. Handles are provided for carrying the structure when collapsed and for steering the trolley when erected. Also, tabs are provided that lock in suitable slots to maintain the collapsed and erected condition of the panels.

Abstract: The folding furniture structure, which is capable of having a folded configuration and an unfolded configuration, comprises a tray (2, 3) supported by a pair of opposite underframes (14) each having an upper end and a lower end, the tray being divided into two parts (2, 3) along a first hinge line (Z, Z').Each of the underframes is hinged:at its upper end, along a second hinge line (Y, Y'), with respect to the edge of the tray portion (2, 3) which it supports, opposite the first hinge line (Z, Z'), andat its lower end, along a third hinge line (X, X'), with respect to an end of a generally flat frame (15),so that in the folded configuration of the structure, each of the underframes (14) rests on a part of the frame (15), defining a flat support on each side of the tray portions (2, 3) which are applied against each other and project upwards with respect to the frame.

Abstract: A collapsible utility carrier is provided having an expandable load bearing base frame supported by a rear upright member having wheels attached thereto and a forward upright member having a handle. The forward and rear upright supports are collapsible onto the base frame, as well as the handle, to facilitate storage of the unloaded carrier. The base frame of the carrier is expandable to accommodate a variety of load sizes.

Abstract: A device that folds flat and compact for storage opens to a folding lounge chair with an adjustable angle backrest. The device includes a backrest frame and a seat frame across which is stretched a fabric web to support an occupant. The two frames are joined at one end by an adjustable angle hinge. At a second end of the backrest frame is a handle. At a second end of the seat frame is a pair of wheels on an axle suspended below the seat. Folding U-shape support members can be extended transverse to the frame to hold the chair above a supporting surface. The frames can be opened to lie in a common plane and the chair turned over to form a rolling cart with one or more support members extended to hold items for transporting with the wheels down, the handle up and what had been the under surface of the fabric web now serving as the upper surface to support items.

Abstract: A lightweight, collapsible golf trolley is disclosed comprising an extruded elongate chassis member 1 of lightweight metal or alloy, e.g. aluminium. The chassis member 1 is of an inverted channel section with two downwardly and outwardly flared side wall sections 2, 3 against which are pivoted the wheel struts 4, 5 which are likewise lightweight alloy extrusions. Preferably the struts are in two halves forming a parallel linkage with the chassis and the wheel brackets 13. Hinged to the forward end of the chassis is a handle 27 which can be folded to a position alongside the chassis thus collapsing the wheel struts via the tie 37.