Wheelbarrow for transporting a load

EP4753974A1Pending Publication Date: 2026-06-103D CO GMBH

Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
3D CO GMBH
Filing Date
2024-08-01
Publication Date
2026-06-10

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Abstract

The invention relates to a wheelbarrow (1) for transporting a load (18, 21, 22), having a loading surface (2) for accommodating the load (18, 21, 22), a wheel (8) for rolling the wheelbarrow (1), and a handle (5) for moving the wheelbarrow (1), wherein the wheel (8) and the handle (5) are connected to the loading surface (2), wherein the wheelbarrow (1) has an extendable supporting element (3) connected to the loading surface (2) for supporting the load (18, 21, 22). The invention also relates to a method for setting up the wheelbarrow (1).
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Description

[0001] Wheelbarrow for transporting a load

[0002] The invention relates to a wheelbarrow for transporting a load, comprising a loading surface for accommodating the load, a wheel for rolling the wheelbarrow, and a handle for moving the wheelbarrow, wherein the wheel and the handle are connected to the loading surface.

[0003] Furthermore, the invention relates to a method for setting up the wheelbarrow.

[0004] Wheelbarrows are well-known in the art. They can be used to transport loads in a variety of ways, such as for construction and gardening work or for shopping.

[0005] US 4824137 A shows a wheelbarrow comprising a frame to which wheels, a handle, and a foldable basket are connected. For storage, the basket can be folded and the handle removed.

[0006] WO 02 / 00486 A2 describes a wheelbarrow having foldable side walls, a handle, and two wheel support elements, each with a wheel. For storage, the wheelbarrow can be folded by folding the side walls and the wheel support elements and placing the handle in a storage position.

[0007] US 4266791 A discloses a wheelbarrow having a loading area, four side walls, a handle, and two wheels. The wheelbarrow can be folded for storage by folding the side walls and removing the wheels and handle. For transporting long objects, two opposite side walls can remain folded. The other two, still upright, side walls can be supported by a crossbar.

[0008] US 5,328,192 A discloses a collapsible handcart with a loading area, wheels, a handle and extendable side rails forming a frame.

[0009] CN 105 946 938 A discloses a foldable trolley with a loading platform, wheels, and a handle with a foldable handlebar. The trolley comprises a foldable box with a base frame, two load base plates, and three load side plates. The load side plates can be folded out in opposite directions.

[0010] US 2013 / 076005 Ai describes a handcart with a box or tubular frame consisting of two side walls, a rear wall, a base plate, and an intermediate storage area, as well as wheels. Extendable handlebars are attached to the side walls. DE 10 2015 002169 Ai describes a motorized wheelbarrow. This contains a battery that, thanks to its positioning in front of the wheel axle, serves as a counterweight, assisting the driver when lifting or tipping the wheelbarrow.

[0011] IT 2019 0002 0166 Ai covers a handcart with an additional wheel used for negotiating steps. The wheel can move back and forth along a rail and is pulled into the rear position by a spring mechanism.

[0012] Further handcarts and wheelbarrows are known from the documents

[0013] US 5,887,879 A, ​​US 6,217,043 Bi, US 7,448,632 Bi, US 5,249,823 A, US 6,109,644 A, GB 2,324,070 A and US 7,073,816 Bi.

[0014] Most wheelbarrows known from the prior art cannot be adapted to accommodate loads of different sizes. In the wheelbarrow of US 4266791 A, the longitudinal limitation of the loading area can be removed by folding in the corresponding side walls, allowing even long objects to be accommodated on the loading area. However, this does not change the size of the loading area. The load is naturally unsupported outside the loading area.

[0015] There is therefore a need for a wheelbarrow that is not only adaptable to loads of different sizes, but can also support loads of different sizes. One object of the invention is to provide such a wheelbarrow.

[0016] This object is achieved according to the invention in that the wheelbarrow has an extendable support element connected to the loading area for supporting the load. By at least partially extending the support element, a load with at least one larger dimension than the loading area in the compact state, when the support element is retracted, can also be supported, in particular a load that is longer and / or wider than the loading area in the compact state.

[0017] The support element can be extendable in a direction of movement of the wheelbarrow and / or in a direction opposite to the direction of movement of the wheelbarrow. A load that is longer and / or wider than the loading area in the compact state can then be well supported. The direction of movement of the wheelbarrow is understood to be the direction in which it is moved in the transport state, in particular by pushing and / or pulling the wheelbarrow in a direction in which the wheel can be moved by rolling. The transport state is understood to be a state in which the wheelbarrow is moved, in particular by pulling or pushing, in order to transport the load. The compact state of the loading area is understood to be a state in which all fold-out parts of the loading area are folded in.

[0018] Alternatively or additionally, the support element can be extendable in a direction perpendicular to the wheelbarrow's direction of travel. This allows for good support of a wide and / or tall load. In particular, the support element can be extendable in a direction perpendicular to the wheelbarrow's direction of travel and parallel to the loading area to provide good support for a wide load.

[0019] The support element can be connected to the underside of the loading area. The extension (or retraction) of the support element is then unhindered by the load. Furthermore, the support element can act as a stiffener for the loading area, thereby increasing its load-holding capacity. The underside of the loading area is defined as the side of the loading area facing away from the loading area (or the load).

[0020] The support element can be positioned between the loading area and a wheel axle. This ensures that the support element can be extended without being obstructed by the load or the wheel axle, making it easy to handle.

[0021] The support element can be continuously extendable. This allows any length of the support element to be adjusted up to a maximum possible length. The length of the support element can then be flexibly adjusted to the size of the load. The support element can have one or more telescopic rods.

[0022] The support element may comprise a frame. This can increase the strength and / or rigidity of the support element, which is advantageous for its supporting effect. The frame may comprise three or more interconnected bars, in particular bending-resistant bars. In particular, the frame may comprise four bars interconnected to form a quadrangular frame.

[0023] The frame can be positioned in a plane parallel to the wheel axle. This allows for good stabilization of a long and / or wide load. In particular, the frame can be extendable in one direction of the wheelbarrow's travel and / or in a direction opposite to the wheelbarrow's travel to provide good support for a long load.

[0024] The frame can be connected to an underside of the loading area. In particular, the frame can be arranged between the loading area and the wheel axle. In this way, the frame can stiffen the loading area and extension of the frame is not hindered by the load or even by the wheel axle, so that the frame is easy to handle. The loading area can be designed in such a way that, when the loading area is in the compact state, when a first half of the loading area is reflected in a plane in which the wheel axle lies and which is perpendicular to the first half of the loading area, the reflection forms the second half of the loading area. The resulting loading area can lie in one plane. The entire loading area can then also be arranged essentially parallel to a base of the wheelbarrow.Accordingly, the load can be placed on the loading area in such a way that the resulting gravitational force of the load coincides with the center of mass of the wheelbarrow. The wheelbarrow can then be kept well balanced. The loading area can in particular be designed such that even during loading, i.e. in a loaded state, at least 50% of the gravitational force of the load, preferably at least 70%, more preferably at least 90%, is absorbed by the wheel axle (and that accordingly the smallest possible proportion of the gravitational force of the load is absorbed by the handle). The wheelbarrow can then be transferred from the loaded state to the transport state with relatively little effort.For advantageous load distribution, in the case of a wheelbarrow with exactly one (common) axis of rotation of the wheel or wheels, a loading surface is particularly suitable which has at least one flat section which, starting from an imaginary reference plane, extends in both directions at least one time, preferably at least 1.5 times or at least twice the radius of the wheel or wheels, wherein the imaginary reference plane is normal to the flat section and arranged such that the (common) axis of rotation lies in the imaginary reference plane.In addition, for stability and balance control, it is advantageous if the distance between the wheel axle and the loading surface above it is as small as possible, in particular smaller than the radius of the wheels, preferably smaller than half the radius of the wheels, the smallest distance between any point on any loading surface intended for loading being important, regardless of the state of use of the wheelbarrow.

[0025] The loading area can be quadrangular, particularly rectangular or square. This geometry can prove suitable for transporting various loads.

[0026] Due to the increased rigidity provided by the support element, the loading area can be designed with a comparatively small thickness. This type of lightweight construction can make the wheelbarrow easier to handle. In support of this, or alternatively, the wheelbarrow can comprise a plastic (in particular a fiber-reinforced plastic), wood and / or a light metal. Part of the loading area can be foldable. This makes it possible to enlarge the loading area, so that a larger load can be transported with the wheelbarrow. The loading area can in particular be foldable in the direction of movement of the wheelbarrow and / or in a direction opposite to the direction of movement of the wheelbarrow. A long load can then be easily accommodated on the at least partially folded out and thus extended loading area.However, if the fold-out section of the loading area is folded in to create a smaller loading area or to store the wheelbarrow, it can rest on another part of the loading area. The fold-out section of the loading area can be connected to a non-fold-out section of the loading area by a hinge.

[0027] The fold-out section of the loading area can be folded out by up to 180°. Folding it out by 180° creates an enlarged, level loading area. Folding it out at a smaller angle, for example, 90°, creates a side wall. This protects the load on the side of the loading area that forms the side wall from falling off.

[0028] The loading area can have two sections that fold out in opposite directions. This allows the loading area to be enlarged on two opposite sides. A first section of the loading area can fold out in the direction of travel of the wheelbarrow (this can be the section of the loading area closest to the handle), and a second section of the loading area can fold out in the direction opposite to the direction of travel of the wheelbarrow (this can be the section of the loading area farther from the handle).

[0029] The fold-out part of the loading area (or the fold-out first or the fold-out second part of the loading area) can be foldable such that it rests on the support element when the support element is connected to the underside of the loading area and at least partially extended; or the first and second parts of the loading area can be foldable such that they rest on the support element when the support element is connected to the underside of the loading area and at least partially extended both in the direction of movement of the wheelbarrow and in a direction opposite to the direction of movement of the wheelbarrow. The support element can then not only provide good support for the load but also increase the rigidity of the at least partially folded-out, enlarged loading area so that it can withstand the load well.

[0030] The wheelbarrow can be moved by one person using the handle; in particular, the wheelbarrow can be pulled or pushed by the handle. The wheelbarrow can have a handlebar to which the handle is attached. The handlebar itself can be attached to the loading area or to the support element. The handlebar can be attached to the loading area or to the support element, in particular, at a point on the handlebar that is remote from the handle. Attaching the handlebar to the support element can increase the flexibility of the handle's positioning.

[0031] The handlebar can be attached to the support element in such a way that when the support element is extended in the direction of movement of the wheelbarrow, the handlebar also moves. When the support element is extended by a certain length, the distance between the handlebar and the wheel axle can then increase by this length. This way, the handlebar does not interfere with the extension of the support element or with the folding of part of the loading area toward the handle.

[0032] The handlebar can be extendable. This allows the position of the handle to be flexibly adjusted to the respective conditions. The handlebar can, for example, have a telescopic rod to allow it to be extended. By extending the handlebar, the handlebar can be adjusted to the size of the person moving the wheelbarrow, or the distance between the wheel axle and the handle can be increased so that the handle is fully available even when moving a long load. By extending the handlebar, the leverage can also be optimized, making it possible to transport even heavy loads with the least possible force applied to the handle.

[0033] Alternatively, or in addition to the extendability of the handlebar, the handle can be extendable in a direction that is perpendicular to the direction of movement of the wheelbarrow and parallel to the loading area. The handle can be positioned to the side of the wheelbarrow by being at least partially extended in this direction. This can be advantageous when transporting a long load that extends up to the handle (e.g., although the handlebar and / or the support element are already fully extended). To move the wheelbarrow, a person then does not need to be directly in front of or behind the wheelbarrow (depending on whether the wheelbarrow is being pushed or pulled), where they could potentially injure themselves due to the load, but can also operate the handle when standing to the side of the wheelbarrow. The handle can be extendable on both sides (i.e.In both directions, perpendicular to the direction of movement of the wheelbarrow and parallel to the loading area, with the two directions being opposite each other. Then, by at least partially extending the handle on both sides, it can be positioned on two opposite sides of the wheelbarrow. For smoother movement and easier handling of the wheelbarrow, one person on each side of the wheelbarrow can operate the handle.

[0034] The handlebar can be foldable. When the wheelbarrow is in storage, the handlebar can be folded in to save space. When stored, the handlebar can be folded in such a way that it rests at least partially against the loading area and / or the support element. When setting up the wheelbarrow, the handlebar can be folded out, for example, to an angle of 90° to 180°. The actual angle can depend, among other things, on the size of the person moving the wheelbarrow and whether the wheelbarrow is to be pulled or pushed.

[0035] The handlebar can be U-shaped. Two ends of the handlebar can then be connected to the loading area. Alternatively, the wheelbarrow can have two handlebars, each with a handle, which can be connected to the loading area. In either handlebar configuration, the wheelbarrow is easy to handle and can be moved with one or both hands.

[0036] The handle can be equipped with a handbrake. This can increase the safety of the person pushing the wheelbarrow, especially when transporting a heavy load uphill and / or downhill.

[0037] The wheel allows the wheelbarrow to be moved by rolling in transport mode, in particular pulled and / or pushed.

[0038] The wheel can be attached to a wheel axle. The wheel axle, in turn, can be connected to the loading area; in particular, it can be attached to the underside of the loading area or mounted for rotation. Alternatively, the wheel axle can also be attached to the support element or mounted for rotation. If the support element has a frame, the wheel axle can be attached to the frame or mounted for rotation, in particular to a cross member of the frame (i.e., to a member parallel to the wheel axle).

[0039] The wheel can be attached to the wheel axle using a quick-release fastener. When setting up the wheelbarrow, the wheel can then be easily and quickly attached to the wheel axle, for example, by simply clipping it on.

[0040] When the wheelbarrow is loaded, the wheel axle can be positioned below the entire loading area. The loading area can then be essentially parallel to the wheelbarrow's base and evenly loaded. A loaded state is defined as a state in which the wheelbarrow is loaded with the load.

[0041] The wheel can have an outer diameter of 30 cm or more, preferably 45 cm or more, and more preferably 60 cm or more. This increases the contact area between the wheel and the ground, making the wheelbarrow's movement more controllable. It also reduces rolling resistance, especially on uneven or yielding surfaces. Finally, this also allows for sufficient ground clearance below the wheel axle, which is advantageous when used on rough terrain.

[0042] The wheel can have a width of 5 cm or more, preferably 7 cm or more, more preferably 9 cm or more. The wheel can then have shock absorption and move smoothly on uneven surfaces, such as gravel.

[0043] The wheel can be equipped with a roll-away lock. This can be activated when the wheelbarrow is loaded and / or unloaded to fix the wheelbarrow in a desired position relative to the ground and prevent it from moving. An unloading state refers to a state in which the load is removed from the wheelbarrow.

[0044] The wheelbarrow can have two or more wheels, in particular two, three, or four. If the wheelbarrow has two wheels, they can be mounted on the same wheel axle on different sides of the loading area or can be mounted on pivot bearings.

[0045] The wheelbarrow can, in particular, have four wheels. The wheelbarrow can then remain balanced even when loaded without additional support (e.g., with a support leg). Two wheels can be attached or pivoted on one side of the wheelbarrow. Two wheels can be attached or pivoted on the same wheel axle on different sides of the loading area.

[0046] The total width of the wheelbarrow when loaded can be less than 1.2 meters, in particular between 70 and 110 centimeters, preferably between 80 and 100 centimeters. This allows the wheelbarrow to be moved to locations that are difficult to reach with other vehicles. In particular, combined with its suitability for rough terrain and maneuverability (especially with only one wheel axle), this makes the wheelbarrow a very versatile transport tool. In another embodiment, the total width of the wheelbarrow when loaded can be 30-60 cm, in particular 35 cm, which achieves even greater maneuverability and allows access to even places with extremely tight spaces.

[0047] The wheelbarrow can have a counterweight that can be connected to the loading platform. This allows the load to be stabilized. This can be particularly advantageous when the wheelbarrow is unevenly loaded, keeping the wheelbarrow balanced with respect to the wheel axle. The mass of the counterweight can be variable. This allows the counterweight to be adjusted to the weight of the load. For this purpose, the wheelbarrow can have two or more counterweights with identical and / or different masses. The counterweight can then be selected depending on the mass of the load.

[0048] Alternatively, the wheelbarrow can have an additional weight that can be connected to the counterweight. For example, the additional weight can be plugged onto the counterweight. The additional weight can be a disc that can be plugged onto the counterweight. The additional weight can have a mass of 1 to 10 kg, in particular 2 to 6 kg. The wheelbarrow can have two or more additional weights. This allows the mass of the counterweight to be adjusted more flexibly. The additional weights can have identical and / or different masses.

[0049] The counterweight can be connected to a part of the loading area located near the wheel axle and / or to a part of the loading area located away from the wheel axle. For example, if the load is predominantly or exclusively located on the part of the loading area located near the handle, while no load or only a comparatively small portion of the load is located on the part of the loading area remote from the handle, the counterweight can be attached to the part of the loading area remote from the handle to keep the wheelbarrow balanced.

[0050] The counterweight can be attached to the underside of the loading area. This ensures that the counterweight does not impede the load.

[0051] Alternatively, the counterweight can be attached to the support element. If the support element is extended a certain distance in this configuration, the counterweight attached to it can be moved by the same distance relative to the wheel axle. This allows the wheelbarrow to be kept well balanced even if the loading area is enlarged by folding out part of the loading area.

[0052] The support element can have a receiving element for the counterweight. The counterweight can then be pushed or inserted into the receiving element, for example, allowing for quick and easy attachment. Alternatively, the counterweight can be attached to the support element using a clip or hook, for example. Other common fastening methods can also be used.

[0053] If the support element has a frame, the counterweight can be attached to the frame. This has the advantage that the counterweight can be attached anywhere on the frame. The counterweight can also be movable along one side of the frame to quickly respond to changing load conditions.

[0054] The wheelbarrow can have a plate that can be attached to the loading area such that a plane of the plate is perpendicular to a direction of movement of the wheelbarrow. This plate can provide additional support for the load. The plate can be attached to the end of the loading area closest to the handle and / or to the end of the loading area furthest from the handle. This can reduce the risk of the load falling from the loading area, particularly in the event of a sudden change in movement of the wheelbarrow (e.g., during sudden braking). The plate can also be attached at any position along the loading area. This allows a shorter load, for example, to be held securely. The plate can be attached to the loading area by means of a plug-in connection or using another conventional fastening device.

[0055] The wheelbarrow can have two or more plates. The plates can be attached at different positions on the loading area. A load can then be placed on the plates for transport.

[0056] If the wheelbarrow has two or more plates, they can all be the same height. This prevents a load placed on the plates from tipping over, allowing it to be transported stably. The plate height refers to the dimension of the plate that is perpendicular to the loading surface when the plate is attached to the loading surface.

[0057] One dimension of the plate may be longer than the normal distance between the loading area and a highest point of the wheel. The dimension of the plate refers to the dimension of the plate that is parallel to the said normal distance when the plate is attached to the loading area. If the wheel (or one of several wheels) is arranged on one side of the wheelbarrow and partly above the loading area, and therefore a wide load (or a long load) extending beyond the loading area would rest on the highest point of the wheel and thereby impede the movement of the wheel, the load can instead be stored on the plate at a height above the highest point of the wheel, allowing the wheelbarrow to be moved unhindered.

[0058] When the plate is not in use and therefore not attached to the loading area, it can rest on the loading area (accordingly, the load can then be placed on the loading area so that it rests at least partially on the plate). Alternatively, the wheelbarrow can have a fastening device for securing the plate below the loading area. For example, the wheelbarrow can have a compartment below the loading area in which the plate can be stored (e.g., by sliding the plate into the compartment). It is also possible to store the plate separately from the wheelbarrow.

[0059] The wheelbarrow can have a holder connected to the loading area for holding a tool (e.g., scissors, cordless screwdriver, screws) and / or a beverage. The holder can be attached to the support element, the handle, and / or the handlebar. The holder can have a cup holder for holding a beverage. This can be designed to prevent the beverage from tipping over.

[0060] The bracket can be attached at two of its ends to the support element, the handle and / or the handlebar. This increases the rigidity of the bracket so that, on the one hand, it can well withstand a load (e.g., tools, a drink) without becoming damaged, and on the other hand, the load held in position remains held in place even if the wheelbarrow changes its movement abruptly. If the handlebar is U-shaped or if the wheelbarrow has two handlebars, the bracket can be attached to two opposite sides of the U-shaped handlebar or to each of the two handlebars. If the support element has a frame, the bracket can be attached to two opposite sides of the frame.

[0061] The wheelbarrow may have a fold-out and / or extendable support leg connected to the loading area. When loaded, the support leg can be folded out and / or extended in such a way that it supports the wheelbarrow on the ground. This allows the wheelbarrow to be balanced when loaded.

[0062] The support leg can be attached to the support element. When the support element is extended, the support leg can support a free end of the support element. When a portion of the loading area is folded out by 180° and rests on the support element, the support leg can also support the unfolded portion of the loading area.

[0063] The support leg can be folded in such a way that it is parallel to the loading area during transport and / or storage of the wheelbarrow, particularly so that it rests against the underside of the loading area. This way, the wheelbarrow's movement is not hindered by the support leg, and the wheelbarrow can be stored in a space-saving manner even with the support leg in place.

[0064] When loaded, the support leg can be folded out so that it is perpendicular to the loading area. To compensate for any unevenness in the ground, the unfolded support leg can be extended or retracted so that the loading area is essentially parallel to the ground. To extend or retract the support leg, it can be equipped with a telescopic rod. The wheelbarrow can have two or more fold-out and / or extendable support legs connected to the loading area. This allows the wheelbarrow to be well supported. The number of support legs can be selected depending on the number of wheels. The fewer wheels the wheelbarrow has, the more support legs it can have to keep the loading area balanced when loaded. For example, if the wheelbarrow has only one wheel, it can have two to eight support legs.If the wheelbarrow has four wheels, the wheelbarrow can have one to four support legs, in particular one to three support legs.

[0065] The wheelbarrow may have a side wall that can be attached to the loading area. The side wall can provide support for the load and prevent it from falling off the loading area.

[0066] The side wall can be fastened in such a way that one plane of the side wall is parallel to the direction of travel of the wheelbarrow. The load can then be prevented from falling sideways off the loading area. The loading area can have a fastening element for fastening the side wall. The fastening element can be attached to a side of the loading area that is parallel to the direction of travel of the wheelbarrow. The fastening element can have a fastening rail. The side wall can then be fastened to the loading area by sliding it into the fastening rail. Alternatively, the fastening element can have a recess in which a corresponding counterpart of the side wall can be accommodated, or conversely, the side wall can have the recess and the fastening element the corresponding counterpart. Other, conventional types of fastening are also conceivable.

[0067] The wheelbarrow can have two side walls for attachment to two opposite sides of the wheelbarrow. This can then protect the load on these two sides from falling. In particular, a long load (e.g., boards, branches) that protrudes beyond the loading area on at least one side where no side walls are attached can then be transported safely.

[0068] The side wall(s) can be attached either to the outer edge of the loading area or to any other position on the loading area. For example, two side walls can be attached centrally to the loading area, parallel to the wheelbarrow's direction of travel, creating a loading space for long, narrow loads between the two side walls. When transporting a long, narrow load (e.g., wooden slats, pipes), this can limit the lateral movement of the load, preventing it from slipping and, in particular, from falling.

[0069] The side wall can be adjacent to a section of the loading area that has been folded out by 90°, which also forms a side wall. The load can then be protected from falling by these two perpendicular side walls of the loading area. The perpendicular side walls, especially the freestanding sides that are adjacent to each other, can be connected. This can increase the stability of the side walls.

[0070] The wheelbarrow can, in particular, have two side walls adjacent to two parts of the loading area, each of which folds out at 90° and also forms side walls. If the loading area is square, the wheelbarrow has side walls on all sides of the loading area, so that a load can be protected from falling. For example, chopped branches or leaves can be transported in the interior space formed by the four side walls.

[0071] When the side panel is not in use and therefore not attached to the loading area, it can rest on the loading area (accordingly, the load can then be stored on the loading area so that it rests at least partially on the side panel). Alternatively, the wheelbarrow can have a fastening device for attaching the side panel below the loading area. For example, the wheelbarrow can have a compartment below the loading area in which the side panel can be stored (e.g., by sliding the side panel into the compartment). It is also possible to store the side panel separately from the wheelbarrow.

[0072] The wheelbarrow may have a lashing point connected to the loading area. The load can then be secured using a rope (or similar fastening device) by attaching the rope to the lashing point.

[0073] The lashing point can be attached to the loading area and / or the underside of the loading area. This allows the load to be held in a stable position.

[0074] The lashing point can be located at the edge of the loading area. This allows a central area of ​​the loading area to be fully available for the load.

[0075] The wheelbarrow can also have two or more lashing points. This can increase transport safety. For example, a rope that is at least partially wrapped around the load can then be attached to some or all of these lashing points. If the wheelbarrow has one or more side walls adjacent to the loading area, the wheelbarrow can have a bag placed on the loading area. The bag can be supported by the side wall(s) to prevent it from tipping over. The bag can protect the wheelbarrow from the load. This can be particularly useful if the load is dirty and / or damp, as it avoids the need to clean the wheelbarrow afterwards. The bag also does not need to be placed on a dirty and / or damp surface, so its outside can be kept clean.The bag can then be transported, for example, in a vehicle without contaminating it. A vehicle is defined as a motorized vehicle, such as a car.

[0076] If the wheelbarrow has four side walls adjacent to a square loading area, the wheelbarrow can have the bag in the interior space formed by the side walls. The bag can be adapted to the size of the interior and rest against the inside of the side walls. This allows the interior space to be optimally utilized for transporting the load.

[0077] The bag can be attached to a side wall, for example, using a hook. If available, the bag can also be attached to the lashing point. This attachment allows the bag to be held in a specific position without slipping. The bag can also be attached on two or more sides. This not only improves the stability of the bag on the loading area but also allows the opening of the bag to be kept at least partially open to facilitate filling or emptying.

[0078] The wheelbarrow can be folded for storage. The wheelbarrow can then be stored and / or transported in a space-saving manner, for example in a vehicle, particularly a car. When the wheelbarrow is in storage, the wheel can be stored separately from the wheel axle in such a way that it rests on the loading area or the underside of the loading area, so that a rotational axis of the wheel is arranged essentially normal to a plane (or tangential plane) of the loading area. By resting the wheel on the loading area or on the underside of the loading area, the wheel cannot change its position relative to the loading area by rolling away. If the wheelbarrow has a side wall, this can lie on the loading area or underneath it when the wheelbarrow is in storage. This arrangement of the wheel and / or the side wall enables compact storage of the wheelbarrow.When stored, the wheelbarrow can have storage dimensions in the range of 20 to 40 cm x 60 to 100 cm x 120 to 160 cm, in particular 30 cm x 80 cm x 140 cm. The wheelbarrow can then be easily transported in a vehicle, especially a car, and can also be easily handled by one person.

[0079] The wheelbarrow can have a roller connected to the loading area for moving the wheelbarrow in storage. The wheelbarrow can then be easily moved in storage using rollers and does not need to be carried, which contributes to ease of handling. If the wheelbarrow has a roller, this is in addition to the wheel. While the wheel is used to move the wheelbarrow in transport mode, the roller can be used to move the wheelbarrow in storage mode.

[0080] The roller can be connected to the side of the storage area opposite the handle. The wheelbarrow can then be easily moved and handled in storage by pulling or pushing the handle using the roller, provided the loading area is essentially perpendicular to the ground.

[0081] The roller may have an outer diameter of 15 cm or less, preferably 10 cm or less, more preferably 5 cm or less. This prevents the roller from interfering with the handling of the wheelbarrow (e.g., interfering with the unfolding of a fold-out part of the loading platform and / or interfering with the extension of the support element).

[0082] The roller can be attached to the underside of the loading area or to the support element. This way, the load on the loading area is not obstructed and the roller is not damaged during storage.

[0083] The wheelbarrow can have two casters. This allows the wheelbarrow to be moved in storage with a smooth rolling motion, without tipping. The two casters can be attached to two corners of the underside of the loading area, opposite the handle. If the support element has a frame, the casters can also be attached to the side of the frame opposite the handle, especially in the corner areas.

[0084] The wheelbarrow can have scales connected to the loading area. These can be used to determine the mass of the load placed on the loading area. This can be beneficial from a health perspective to avoid overloading the wheelbarrow. The scales can also be used to determine the mass of the counterweight required to balance the weight. The scales can be integrated into the loading area. In this case, the mass of a load placed on the loading area can be easily determined. The scales can have a load indicator. This can be digital or analogue. The load indicator can be used to read the mass of the load. The load indicator can be arranged on the loading area; in particular, it can be integrated into the loading area and be flush with it. Alternatively, the load indicator can be attached to the handle or the handlebar.

[0085] The wheelbarrow may have a drawbar or be connectable to a drawbar. The drawbar can be used to connect the wheelbarrow to a motorised or non-motorised towing vehicle, for example a bicycle or a tractor-drawn lawnmower. The free end of the drawbar (i.e. the end furthest from the loading area) can be designed for connection to a trailer coupling of the towing vehicle, for example as part of a pin coupling or a ball head coupling. The provision of a drawbar enables even more flexible use of the wheelbarrow. If the wheelbarrow is pulled by a towing vehicle using the drawbar, this enables even more comfortable transport of loads, particularly heavy loads, on the wheelbarrow. The drawbar is preferably located at the end of the wheelbarrow where the handle is also located.If a drawbar is attached to the wheelbarrow, a handlebar with the handle can, for example, point vertically upwards to create sufficient space for the drawbar and / or the towing vehicle. Alternatively, the handle can be provided on the drawbar or as part of the drawbar.

[0086] Preferably, the drawbar can be generally attached to the extendable support element or, for example, to an extendable part of the frame, so that the drawbar is located in front of the other parts of the wheelbarrow in the pulling direction, even when the frame is extended. This allows the wheelbarrow to be connected to a towing vehicle via the drawbar both when the support element is extended and when it is not extended, and in principle in any of the configurations described above.

[0087] The invention further relates to a method for setting up the wheelbarrow according to the invention, comprising the steps

[0088] (a) Providing the wheelbarrow, the wheelbarrow being in a storage condition,

[0089] (b) connecting the wheel to the loading area, and

[0090] (c) optionally at least partially extending the support element.

[0091] In step (a), the wheelbarrow is in storage, folded up to save space when stored or transported. When stored, the wheel can rest on the loading area or on the underside of the loading area in such a way that it cannot change its position relative to the loading area by rolling away. For example, a wheel plane of the wheel can be arranged parallel or tangential to the loading area. The wheel plane is the plane in which the wheel circumference lies, i.e. the circumference of the wheel tread. If the handle is extendable, it can be retracted. If the wheelbarrow has a fold-out and / or extendable handle, this can be folded in and / or retracted. If the wheelbarrow has a side wall and / or a plate, these can rest on the loading area or be accommodated on the underside of the loading area, for example in a compartment.If part of the loading area is foldable, this part can be folded in.

[0092] In step (b), the wheel can be attached to the wheel axle, specifically by clipping it on. This can be done, for example, using a quick-release fastener.

[0093] In step (c), the support element can be at least partially extended. The support element can be extended in a direction of movement of the wheelbarrow and / or in a direction opposite to the direction of movement of the wheelbarrow. This allows a long and / or wide load that extends beyond the loading area to be supported.

[0094] The method may also include the step of at least partially unfolding the handlebar. This may be necessary if the wheelbarrow has a foldable handlebar and this is folded in when the wheelbarrow is in storage. The handlebar can be folded out, for example, by 90° to 180°.

[0095] The method may also include the step of at least partially extending the handlebar if the wheelbarrow has an extendable handlebar. This allows the handlebar to be adjusted, for example, to the size of the person moving the wheelbarrow.

[0096] The method may further comprise the step of at least partially unfolding a foldable part of the loading area. The part of the loading area may be folded up to 180 0 The loading area can be folded out either by 18°, thereby increasing the loading area. Alternatively, the loading area can be folded out by 90° to form a side wall.

[0097] Furthermore, the method may include the step of at least partially extending the handle if the wheelbarrow has an extendable handle. The handle may be at least partially extended in a direction perpendicular to the direction of movement of the wheelbarrow. This allows the handle to be positioned laterally of the wheelbarrow.

[0098] The method may include the step of attaching a plate to the surface of the loading area. The plate may be attached such that a plane of the plate is perpendicular to a direction of movement of the wheelbarrow. The method may also include the step of attaching a side wall to the loading area. The side wall may be attached such that a plane of the side wall is parallel to the direction of movement of the wheelbarrow.

[0099] The method may include the step of placing a bag on the loading area. This step can be performed in particular if the wheelbarrow has previously been positioned so that it has one to four side walls. This step may also include securing the bag to a side wall of the loading area.

[0100] Furthermore, the method may include the step of at least partially unfolding and / or extending a support leg. The support leg may be unfolded and / or extended in such a way that it supports the wheelbarrow on the ground.

[0101] The method may further comprise the step of placing the load on the loading area. The load may, for example, be placed or poured onto the loading area. Instead of, or in addition to, this, it may also be placed on the previously secured plate or in the bag previously placed on the loading area.

[0102] The method may further comprise the step of securing the load placed on the loading area to the lashing point. The load may be secured, for example, using a rope by wrapping the rope at least partially around the load and securing it to the lashing point.

[0103] The method may also include the step of determining the mass of the load placed on the loading platform. The mass of the load may be read from the scale's load indicator.

[0104] Furthermore, the method may include the step of connecting the loading platform to a suitable counterweight. This step may be performed to keep the wheelbarrow balanced with respect to the wheel axle. A suitable counterweight is understood to be one whose mass is such that the wheelbarrow can be kept balanced. If necessary, an additional weight may also be attached to the counterweight.

[0105] For the purposes of this disclosure, terms such as “underside,” “ground,” “direction of movement,” etc., refer to the intended operating condition of the wheelbarrow.

[0106] The invention is further explained below with reference to the accompanying drawings of some embodiments. These embodiments are particularly preferred embodiments, to which, however, the invention is not intended to be limited. Figures 1-4 show various views of a wheelbarrow in a stored state.

[0107] Fig. 5-6 show different views of a wheelbarrow in a loaded state, with two fold-out parts of a loading area folded in.

[0108] Fig. 7-8 show different views of the wheelbarrow of Fig. 5-6 in a loaded state, with two fold-out parts of the loading area folded out to enlarge the loading area.

[0109] Fig. 9-10 show different views of the wheelbarrow of Fig. 7-8 in a loaded state, wherein the wheelbarrow has two side walls.

[0110] Fig. 11 shows the wheelbarrow of Fig. 5-6 in a loaded state, which has three side walls, wherein a fold-out, first part of the loading area is folded out to form one of the side walls, and wherein a fold-out, second part of the loading area is folded out to enlarge the loading area or to facilitate loading or unloading.

[0111] Fig. 12 shows the wheelbarrow of Fig. 11 in a loaded state, whereby the wheelbarrow has four side walls.

[0112] Fig. 13 shows the wheelbarrow of Fig. 12 with a retracted support element.

[0113] Fig. 14-15 show the wheelbarrow of Fig. 7-8 in a loaded state and a loaded state, respectively, wherein the wheelbarrow has plates.

[0114] Fig. 16-17 show the wheelbarrow of Fig. 7-8 in different loaded states.

[0115] Figs 18-19 show a wheelbarrow with a drawbar for connecting to a motorized towing vehicle, such as a tractor-mower.

[0116] Fig 20-21 show a wheelbarrow with a drawbar for connecting to a bicycle.

[0117] Fig. 1 shows a wheelbarrow 1 in a stored state. The wheelbarrow 1 has a loading area 2, wherein a fold-out first part 2a and a fold-out second part 2b of the loading area 2 are folded in and lie on a further part 2c of the loading area 2, which cannot be folded out. The first part 2a and the second part 2b are each connected to the part 2c by hinges (not shown). The loading area 2 is connected to an extendable support element 3, which has an extendable frame 4. The frame 4 has four bars that are connected to one another such that a square frame 4 is formed. Furthermore, the frame 4 is parallel to the loading area 2 and connected to an underside 9 of the loading area 2. The support element 3 or the frame 4 is extendable in a plane that is parallel to the entire loading area 2 and perpendicular to the gravitational force G of a load (shown in Fig. 16).

[0118] As can also be seen from Fig. 1, the wheelbarrow 1 has an extendable handle 5, which is connected to the frame 4 via a handlebar 6. The handlebar 6 is folded in and rests against the frame 4. The loading area 2 is connected via a cross strut 7a of the frame 4 (seen e.g. in Fig. 2) to a wheel axle 7, to which two wheels 8 can be fastened, which are arranged on the underside 9 of the loading area 2 in the stored state. Furthermore, the wheelbarrow 1 has two rollers 10, which are fastened to the end of the frame 4 opposite the handle 5. On two opposite sides of the frame 4, counterweights 11 are received on receiving elements provided for this purpose in order to keep the wheelbarrow 1 balanced, particularly in the case of an uneven load. The counterweights 11 are movable along the respective side of the frame 4 to which they are fastened.

[0119] It is also evident from Fig. 1 that the wheelbarrow 1 also has a holder 12 in which a tool and / or a drink can be stored. To hold the drink, a drink holder 12a (see Fig. 5) is provided in the holder 12. The holder 12 is fastened at two of its ends to two opposite sides of the frame 4. The wheelbarrow 1 also has fold-out support legs 13 to support the wheelbarrow on a ground when loaded. The fold-out support legs 13 (see Fig. 8 and Fig. 10 for the unfolded state) can optionally be connected via a cable, e.g. a Bowden cable, to an operating lever on the handle 5 (not shown in the figures). For example, the fold-out support legs 13 can be folded in by actuating such an operating lever and can be automatically unfolded when the operating lever is released, thus supporting and securing the wheelbarrow.The operating lever can, for example, be locked in a pulled position (with the support legs folded in) to facilitate handling over longer distances. Furthermore, Fig. 1 shows that the loading area has fastening elements 14 for attaching side walls 15 (shown, for example, in Fig. 9). Fig. 2 shows the wheelbarrow 1 of Fig. 1 in elevation. This view shows the wheels 8, as well as the cross brace 7a of the frame 4, via which the wheel axle 7 is connected to the loading area 2. The wheels 8 are arranged below the loading area 2 when the wheelbarrow 1 is stored.

[0120] Fig. 3 shows the wheelbarrow 1 of Fig. 1 in plan view. As can be seen, the support leg 13 located near the handle 5 is connected to the frame 4 via a cross brace 13a.

[0121] Fig. 4 shows the wheelbarrow 1 of Fig. 1 from below. As in Fig. 2, the wheels 8 are also visible here, which are arranged below the loading area 2 when the wheelbarrow 1 is in storage, as well as the cross member 7a of the frame 4, via which the wheel axle 7 is connected to the loading area 2.

[0122] Fig. 5 shows a wheelbarrow 1 in a loaded state. It has a loading area 2 in a compact state, with a foldable first part 2a and a foldable second part 2b folded in such a way that they rest on another part 2c of the loading area 2, which cannot be folded out. The loading area 2 is connected to an extendable support element 3, which has an extendable frame 4. The support element 3 is at least partially extended on a side located near the handle 5.

[0123] As can be seen from Fig. 5, the frame 4 is at least partially extended on the side arranged near an extendable handle 5, so that an inner part 4a of the frame 4 can be seen. The handle 5 is connected to the frame 4 via a handle bar 6. The handle 5 is received on both sides in receptacles (e.g. openings in the form of passages) in the handle bar 6. The height of the handle 5 can be adjustable and thus adapted to the body size of a user; for example, several receptacles can be provided at different points along the handle bar 6. To adjust the handle height, the handle 5 can be inserted into the receptacles corresponding to the appropriate height and received and fixed therein, e.g. by means of clamps or locks. As can be seen, the handle 5 in Fig. 5 is extended such that it is partially arranged to the side of the wheelbarrow 1, so that a person can stand to the side of the wheelbarrow 1 in order to move it.Two wheels 8 are attached to a wheel axle 7.

[0124] The loading area 2 is designed such that, in the compact state of the loading area 2 according to Fig. 5, when a first half of the loading area 2 is reflected on a plane in which the wheel axis 7 lies and which is perpendicular to the first half of the loading area 2, the reflection forms the second half of the loading area 2. The resulting loading area 2 thus lies in a plane that can be arranged essentially parallel to a base of the wheelbarrow 1. Thus, a load can be accommodated on the loading area 2 in such a way that the resulting gravitational force G of the load (seen in Fig. 16) can coincide with a center of mass of the wheelbarrow 1.

[0125] As further shown in Fig. 5, the wheelbarrow 1 has support legs 13 that are folded out in such a way that they support the wheelbarrow 1 on the ground and can thus keep it balanced. The wheelbarrow 1 also has counterweights 11; furthermore, a holder 12 for holding a tool and / or a beverage, wherein the holder 12 also has a beverage holder 12a; and fastening elements 14 provided on the loading surface 2 for attaching side walls 15 (shown, for example, in Fig. 9).

[0126] Fig. 6 shows the wheelbarrow 1 of Fig. 1 from below. This view shows all three support legs 13 of the wheelbarrow 1, which are folded out to support the wheelbarrow 1. The support leg 13 located near the handle 5 is connected to the frame 4 via a cross brace 13a. The other two support legs 13 are located in an area of ​​the frame 4 remote from the handle 5. Also visible are rollers 10 for rolling the wheelbarrow 1 in a stored state, which are attached to a side of the frame 4 opposite the handle 5.

[0127] Fig. 7 shows the wheelbarrow 1 of Fig. 5, wherein the foldable first part 2a and the foldable second part 2b of the loading area 2 are each folded out by 18° in opposite directions to enlarge the loading area 2. The support element 3 is at least partially extended both on a side located near the handle 5 and on a side remote from the handle 5, so that the folded-out parts 2a, 2b of the loading area 2 rest on the extended support element 3 and are thereby supported (better seen in Fig. 8).

[0128] As can also be seen from Fig. 7, the wheelbarrow 1 has lashing points 16 connected to an edge region of the loading area 2. A load can then be secured, for example, with a rope by attaching the rope to one or more of the lashing points 16 and wrapping it at least partially around the load.

[0129] Fig. 8 shows the wheelbarrow 1 of Fig. 7, which has an enlarged loading area 2, from below. Fig. 9 shows the wheelbarrow 1 of Fig. 7, wherein two side walls 15 are attached by means of the fastening elements 14 to two opposite sides of the loading area 2, which are parallel to a direction of movement 17 of the wheelbarrow 1. The side walls 15 prevent a long load 18 from falling sideways from the loading area 2. Since the handle 5 is extended and partially arranged to the side of the wheelbarrow 1, the wheelbarrow 1 can be moved by a person even if that person is located to the side of the wheelbarrow 1. This can increase transport safety, as the risk of injury from the long load 18 protruding through the handlebar 6 (as can be seen in Fig. 9) can be reduced.

[0130] Fig. 10 shows the wheelbarrow of Fig. 9, which has side walls 15, from below.

[0131] Fig. 11 shows the wheelbarrow 1 of Fig. 5, wherein the first part 2a of the loading area 2 is folded out by 90° to form a side wall. The support element 3 is at least partially extended both on a side located near the handle 5 and on a side remote from the handle 5, wherein the folded-out first part 2a of the loading area 2 rests on the extended support element 3 and is thereby supported.

[0132] As can also be seen from Fig. 11, two additional side walls 15 are attached by means of fastening elements 14 to two opposite sides of the loading area 2, which are parallel to a direction of movement 17 of the wheelbarrow 1 (see Fig. 9). A load accommodated on the loading area 2 can then be prevented from falling on three sides of the loading area by the two side walls 15 and the unfolded first part 2a of the loading area 2.

[0133] Fig. 12 shows the wheelbarrow 1 of Fig. 11, with the second part 2b of the loading area 2 now also folded out by 90° to form a side wall. Thus, the wheelbarrow 1 has four side walls—the two side walls 15 as well as the first part 2a and the second part 2b of the loading area 2. In the interior space thus formed, a load placed on the loading area 2 can be protected from falling on all sides. For example, chopped branches or leaves can then be easily transported. A bag can also be provided in the interior to protect the wheelbarrow 1 from a damp and / or dirty load (not shown).

[0134] Fig. 13 shows the wheelbarrow 1 of Fig. 12, wherein the support element 3 is retracted. Due to the resulting shortening of the wheelbarrow 1, it can then be easily maneuvered through tight curves. Fig. 14 shows the wheelbarrow 1 of Fig. 7, wherein the wheelbarrow 1 further comprises four parallel plates 19 which are fastened to the loading surface 2 in such a way that a plane 20 of each plate 19 is perpendicular to a direction of movement 17 of the wheelbarrow 1. One plate 19 is fastened to the end of the loading surface 2 arranged near the handle 5 and one to the end of the loading surface 2 remote from the handle 5, two further plates 19 are fastened along the loading surface 2. The plates 19 allow a load to be stored at a higher level than the loading surface 2.Since the plates 19 are all the same height, a load extending beyond the wheels 8 and thus wider than the wheelbarrow's track width can also be transported with the wheelbarrow 1 by placing it on the plates 19 (shown in Fig. 15). The plates 19 thus serve as supports for the load.

[0135] Fig. 15 shows the wheelbarrow 1 of Fig. 14, wherein a wide load 21 is provided on the plates 19. The longitudinal direction of the wide load 21 (i.e. parallel to the largest edge length) is essentially parallel to the longitudinal direction of the loading area 2. The width of the wide load 21 is greater than the track width of the wheelbarrow 1. This wide load 21 could not be transported in this way with the wheelbarrow 1 without the plates 19, since it would rest on the highest point of the wheels 8 and the movement of the wheelbarrow 1 would therefore not be possible. Since the plates 19 are all the same height, the load 21 does not tip over when it lies on the plates 19, so that it can be transported in a stable manner. The load 21 can be secured from falling, for example by means of a rope using the lashing points 16.

[0136] Fig. 16 shows the wheelbarrow 1 of Fig. 7, wherein a load 22 is accommodated in an area of ​​the loading area 2 remote from the handle 5. In order to keep the wheelbarrow 1 balanced, a counterweight 11 is fastened to the side of the frame 4 which is arranged close to the handle 5. This counterweight can, for example, be received on a receiving element (e.g., pushed in or inserted). An additional weight which can be connected to the counterweight 11, for example, an additional weight which can be plugged onto the counterweight 11, can also be provided. In this way, the mass of the counterweight 11 (if applicable, together with the additional weight) can be adjusted to the mass and position of the load 22. In order to determine the mass of the load 22, the wheelbarrow 1 can have a scale (not shown).The mass of the load 22 can then be read from a load indicator, which can, for example, be integrated into the loading area 2 or attached to the handle 5 or handlebar 6 of the wheelbarrow 2. As can be seen from Fig. 16, the load 22 can be transported by a force applied to the handle 5 that does not have a component opposite to the gravitational force G of the load 22. As can be seen from Fig.

[0137] 16, an angle between the loading surface 2 and the gravitational force G of the load 22 when loading the wheelbarrow 1 can be substantially the same as when transporting the load; consequently, the loading surface 2 can be substantially parallel to the ground both in the loaded state and in a transport state. The wheelbarrow 1 therefore does not need to be tilted in order to move it, but it is sufficient to apply a force in the direction of movement.

[0138] 17 of the wheelbarrow 1 or in a direction opposite to this direction of movement 17 in order to pull or push the wheelbarrow 1.

[0139] Fig. 17 shows the wheelbarrow 1 of Fig. 7, wherein the same load 22 is accommodated on the loading area 2 as in the view of the wheelbarrow 1 shown in Fig. 16. However, in Fig. 17, the load (23) is provided in an area of ​​the loading area 2 arranged near the handle 5. To keep the wheelbarrow 1 balanced, a counterweight 11 is attached to the side of the frame 4 remote from the handle 5, as already described in connection with Fig. 16.

[0140] Fig. 18 and 19 show a wheelbarrow 1, with a drawbar 24 which is provided for connecting the wheelbarrow 1 to a two-track towing vehicle. The drawbar 24 is fastened to an extendable frame 4, the frame being shown in the extended state in Fig. 18. The handlebar 6 with the handle 5 points vertically upwards (in this example protruding 90° relative to the support element) in order to create sufficient space for the drawbar 24 and the towing vehicle. The drawbar 24 is designed in this example as a removable continuation of the support element 3. When the wheelbarrow 1 is moved manually, the drawbar can be dismantled, e.g. with a snap-in telescopic connection and / or generally a quick-release fastener.

[0141] Figs. 20 and 21 show a wheelbarrow 1 with a drawbar 24 designed to connect the wheelbarrow 1 to a bicycle. The drawbar 24 is attached to an extendable frame 4, with the frame 4 being shown in the extended state in Fig. 18. The handlebar 6 with the handle 5 points vertically upward to provide sufficient space for the drawbar 24 and the towing vehicle.

[0142] Fig. 22 shows a wheelbarrow 1, wherein the side walls 15 can be moved to positions 15a and 15b on the loading area 2. By moving the side walls 15, for example, to the two inner positions 15a or to the two middle positions 15b, the transport of particularly long, narrow objects (such as wooden slats) is facilitated by limiting their lateral movement. For mounting the side walls 15 on the loading area 2, corresponding recesses, such as milled recesses, are provided on the loading area 2, into which the side walls 15 can be inserted.

Claims

Claims 1. Wheelbarrow (1) for transporting a load (18, 21, 22), comprising a loading surface (2) for accommodating the load (18, 21, 22), a wheel (8) for rolling the wheelbarrow (1), and a handle (5) for moving the wheelbarrow (1), wherein the wheel (8) and the handle (5) are connected to the loading surface (2), characterized in that the wheelbarrow (1) has an extendable support element (3) connected to the loading surface (2) for supporting the load (18, 21, 22).

2. Wheelbarrow (1) according to claim 1, characterized in that the support element (3) has a frame (4).

3. Wheelbarrow (1) according to claim 1 or 2, characterized in that the support element (3) is arranged between the loading surface (2) and a wheel axle (7).

4. Wheelbarrow (1) according to one of claims 1 to 3, characterized in that the loading surface (2) has two parts (2a, 2b) which can be folded out in opposite directions.

5. Wheelbarrow (1) according to one of claims 1 to 4, further comprising a fold-out handlebar (6) connected to the loading surface (2), to which the handle (5) is attached.

6. Wheelbarrow (1) according to one of claims 1 to 5, further comprising a counterweight (11) connectable to the loading surface (2).

7. Wheelbarrow (1) according to one of claims 1 to 6, further comprising a plate (19) which can be fastened to the loading surface (2) in such a way that a plane (20) of the plate (19) is perpendicular to a direction of movement (17) of the wheelbarrow.

8. Wheelbarrow (1) according to one of claims 1 to 7, further comprising a roller (10) connected to the loading surface (2) for moving the wheelbarrow (1) in a storage state.

9. Wheelbarrow (1) according to one of claims 1 to 8, characterized in that the wheelbarrow (1) can be folded for storage in a storage state. io. Method for setting up a wheelbarrow (i), comprising the steps (a) providing the wheelbarrow (i) according to claim 9, wherein the wheelbarrow (1) is in storage condition, (b) connecting the wheel (8) to the loading area (2), and (c) optionally at least partially extending the support element (3).