EP3378460B1 - Multifunction device - Google Patents

Description

The present invention relates to a multifunction device, in particular a rollator.

Rollators are known from the prior art, in particular as walking aids for the elderly and people with walking difficulties. These rollators are occasionally equipped with pockets that can be attached to the frame of the rollator, for example. In the case of the rollators known from the prior art, it has proven to be problematic that, on the one hand, they are often designed to be very bulky and, on the other hand, usually only allow one or two functions, for example supporting and, to a limited extent, transporting small objects.

the WO 2015/134312 A1 discloses a transport vehicle, on the frame of which two functional units are integrally formed, the frame being designed to be foldable together with the transport units. the US 2013/0292916 A1 , the US 2011/0278809 A1 , the U.S. 3,194,577 A , the GB 2476247 A , the U.S. 5,112,044 A , the US 2013/0161135 A1 and the US 2012/0205882 A1 each disclose mobile racks or assistants with functional units fixed on them or integrally formed on them. U.S. 5,269,157 A describes a frame for transporting a storage box and attaching a parasol.

The object of the present invention is to provide a multifunction device which can take on a large number of functions and is particularly easy to manufacture and handle.

This object is achieved with a multifunction device according to claim 1. Further advantages and features of the present invention emerge from the dependent claims.

According to the invention, the multifunctional device comprises a frame unit and a first functional unit, the frame unit having a first frame area and a second frame area, the first and the second frame area being connected via at least a first transverse area and being held at a distance from one another, the first frame area having a first

The foot area and the second frame area have a second foot area, with roller bodies being rotatably mounted on the foot areas, the first frame area, the second frame area and the first transverse area forming a first holding section, the first functional unit being positively fixable or fixed on the first holding section. The frame unit is preferably a frame which has two spaced apart frame areas, the frame areas being connected to one another via a first transverse area. The frame unit preferably forms a coherent body formed by the two frame areas and the first transverse area. Separated from this body, a first functional unit is provided, which can be fixed by a user in a first holding section in a form-fitting manner on the frame unit. The functional unit is designed for at least one specific function, such as, for example, providing a seat, a storage area or a transport container. The frame unit can particularly preferably be combined with at least one of several different functional units, each of which enables a specific function. In other words, the functional units preferably have similarly or identically designed engagement areas for positive engagement with the same frame unit. On the first and the second foot area of the frame unit, four roller bodies are preferably fixed so as to be rotatable and pivotable about a vertical axis each. The roller bodies can preferably be designed as solid rubber rollers which run on plastic rims. Alternatively, the rolling bodies are preferably made of polyurethane in the form of a full body, which, due to the lower hardness, improves the cross-country mobility of the multifunction device.

The first frame area and the second frame area are advantageously tubular. Tubular material has a hollow cross section, which has a high geometrical moment of inertia against bending and at the same time enables a low weight. In a preferred embodiment, the first and the second frame area are made from tubes with a round cross-section. These tubes are particularly easy to manufacture and do not have any edges which could injure a user of the multifunctional device could. The parts of the frame unit are particularly preferably made of aluminum or steel.

In a further preferred embodiment, the first and the second frame area are formed together with the first transverse area on a single, multiply curved tube. With this embodiment, the manufacture of the multifunction device can be particularly simplified. Instead of a large number of individual pipe sections which have to be welded together or otherwise joined together, the first and second frame areas are formed together with the first transverse area on a single, one-piece pipe. For this purpose, the tube is preferably curved at several points using a cold or hot forming process, so that the transverse area and the two frame areas fixed on it are formed. The strength of such a one-piece pipe is significantly increased compared to a large number of pipe sections welded together.

Furthermore, a second transverse area is preferably fixed on the first and the second frame area and is spaced apart from the first transverse area. The second transverse area serves to additionally stabilize the frame unit. The second transverse area is advantageously fixed to the first and to the second frame area by means of a welded connection. Furthermore, the second transverse area preferably serves to provide a further possibility of fixing, in particular a second holding section, in order to be able to fix further functional units on the frame unit.

The second transverse area is particularly preferably arranged between the first transverse area and the foot areas. In other words, the first transverse area is arranged above the second transverse area in the case of a multifunction device standing on its rolling elements. The second transverse area is particularly preferably arranged approximately halfway between the foot areas and the first transverse area. The first transverse area is seen in a side view of the multifunction device and in particular the frame unit preferably arranged approximately vertically above the second transverse area. By arranging the second transverse area approximately halfway between the first transverse area and the foot area, a particularly good use of space on the multifunction device can be achieved, since the best possible space can be achieved for the functional unit that can be defined, while at the same time there is sufficient space for the legs below the second transverse area of the user remains so that he can run with the multifunction device. A user can advantageously hold on to the frame unit at various points, the frame unit advantageously being stable enough to also support a user standing outside the frame unit. For this purpose, the foot areas advantageously define a wider standing area than the upper area of the frame unit on which the user rests with his hand.

The first and the second frame area particularly preferably extend essentially parallel to a vertical plane, the first transverse area extending essentially parallel to a horizontal plane and the horizontal plane being perpendicular to the vertical plane. The extension essentially parallel to a vertical plane defines in particular that the greatest extension of the first and the second frame area can be measured parallel to the vertical plane. Understandably, the material thickness and in particular the cross section of the first and the second frame area also have an extension perpendicular to the vertical plane, but this is comparatively small to the main extension of the first and the second frame area. An inclination or slight curvature of the frame areas is also encompassed by the present invention if it results in a range of 5 ° -15 ° inclination to the vertical plane. An inclination of the frame areas of 5 ° -15 ° in each case is even preferred within the scope of the present invention, since in this way the standing area can be enlarged and the security against tipping over of the multifunction device can be improved. The same definition is also applied to the extension of the first transverse area which is provided essentially parallel to the horizontal plane. With a standing on a level surface and rolling multifunctional device, the vertical plane is preferably the vertical plane which runs through the multifunctional device in the middle between the frame areas. The horizontal plane is preferably the plane running parallel to the contact surface of the multifunction device.

A projection of the frame unit into the horizontal plane advantageously results in an essentially U-shaped contour, the first and second frame areas forming the legs of the U-shaped contour and the transverse areas forming the cross-piece of the U-shaped contour connecting the legs. In other words, the multifunction device and in particular the frame unit are U-shaped when viewed from above. This has the advantage that the frame unit defines an open side on which, viewed perpendicularly to the horizontal plane, the distal ends of the two frame areas, which face away from the transverse areas, are arranged. The user of the multifunctional device can enter this open side of the frame unit at least in some areas and move with the aid of the multifunctional device with only slightly outstretched arms and thereby be supported on the multifunctional device. At the same time, this design of the frame unit offers the possibility that, if one of the functional units is designed as a seat, the user can sit on this functional unit through the open side and the focus of the force transmitted by the user to the frame unit is essentially centered on the support points , which are defined by the rolling bodies, acts.

Particularly preferably, the second transverse area also extends essentially parallel to the horizontal plane. Due to the preferred extension of the first and preferably also the second transverse area parallel to the horizontal plane, the transverse areas define a particularly universally usable holding geometry. In particular, functional units which are to be aligned parallel to the horizontal plane can be placed on the first and / or the second transverse area with the largest possible contact area. According to the invention, the first frame area, the second frame area and the second transverse area form a second holding section, a second functional unit being provided which can be fixed or fixed to the second holding section. Similar to the first holding section, the second transverse area, together with the adjoining frame areas, also form a holding section. It goes without saying that, in addition to an additional second functional unit, the first functional unit can also be designed in such a way that it can be fixed both on the first holding section and on the second holding section. In a particularly preferred embodiment, however, the first functional unit and the second functional unit are designed differently, so that the first functional unit is optimized to be positively attached to the first holding section and the second functional unit is designed to be attached to the second holding section. In this way, the functional units can be adapted particularly well to their respective function to be assumed, this adaptation also being achieved at the same time with the correct positioning of the functional units on the multifunctional device. It is therefore advantageous for a functional unit designed as a tray that it can be fixed on the first holding section. A functional unit designed as a seat element is preferably designed to be fixed to the second holding section.

Furthermore, according to the invention, a form fit can be produced between the first functional unit and the holding section and / or between the second functional unit and the second holding section, which acts in all directions parallel to the horizontal plane and only in one direction perpendicular to the horizontal plane. The form fit is particularly preferably designed in such a way that the functional unit is secured against slipping parallel to the horizontal plane relative to the frame unit. At the same time, the functional unit can advantageously be removed from engagement with the frame unit in an upward direction, ie perpendicular to the horizontal plane in the direction pointing away from the roller bodies. Against displacement in the direction of the rolling body, the functional unit is preferably supported in order to in particular its own weight and also the weight of the User or to be able to transfer goods to be transported to the frame unit.

The first functional unit and / or the second functional unit are particularly preferably designed as a tray and have an essentially flat storage surface. Functional units designed as trays have the advantage that food in particular can be safely transported from one location to another with the aid of the multifunction device.

The first functional unit is advantageously provided with an essentially semicircular recess in which the user's stomach can be accommodated, the user being able to support himself with his forearms on two support areas provided on the upper side of the first functional unit. The support areas are advantageously designed as elongated troughs and furthermore preferably provided with a cushioning, textile material. Thanks to these support areas for the forearms, an exhausted user can continue to lean on the multifunction device without having to hold on to the handle or handles.

The second functional unit is also preferably designed as a seat element. The second functional unit is preferably arranged at a height that makes it easy for a user to sit on the second functional unit and also to get up again. A range of 40 cm to 60 cm has proven to be a preferred height in the course of tests. In addition, the second functional unit in this function preferably has a seat cushion, preferably a washable pad.

Furthermore, the second functional unit can preferably be designed as a toilet seat. A toilet seat has a corresponding recess through which the user of the multifunction device can pay for his emergency. At the same time, the toilet seat is preferably equipped with a cover so that the second functional unit can also be used as a seat element. The advantage is that The second functional unit is arranged at a height that enables the user to sit on the second functional unit and roll over a toilet. In this case, no collecting container is provided on the second functional unit. As an alternative to this embodiment, the second functional unit can be a toilet seat with a collecting container. The collecting container can preferably be removed from the seat surface in order to be able to easily dispose of collected waste without having to remove the functional unit from the frame unit.

Particularly preferably, the first functional unit and / or the second functional unit are partially or completely made of wood, preferably beech wood. Wood has the advantage that it creates a very pleasant feel and good ergonomics for a user. At the same time, wood is a renewable raw material, unlike plastic parts made from fossil fuels. Beech wood, in particular, has proven itself due to its stability when used as a first and / or second functional unit.

Furthermore, the first functional unit or the second functional unit is preferably designed as a transport container and has engagement areas for positive engagement on the first and / or on the second holding section. The transport container can preferably have a trough-like contour in which both liquids and solids can be introduced and safely transported with the aid of the multifunction device. The transport container can particularly preferably be lockable, for example by means of a lid, which in turn can function as a seat element. Furthermore, the cover of the transport container can also be provided as a tray on a first functional unit implemented with this transport container.

Furthermore, the first functional unit and / or the second functional unit are preferably designed as a cabinet and have engagement areas for positive engagement on the first or on the second holding section. In particular, a first functional unit, which is designed as a cabinet, can also be provided, which has a plurality of engagement areas for both positive engagement having with the first as well as with the second holding portion. In this way, with the aid of the functional unit, a particularly large transport capacity can be made available on the multifunction device. In order to enable the functional unit designed as a cabinet to tip over, it is preferably designed with a plurality of engagement areas for engagement with both the first and the second holding section.

Furthermore, the first and / or the second functional unit are preferably formed from textile material. In particular, a second functional unit designed as a seat surface or a second functional unit designed with a textile net or transport bag is preferably made of textile material. Textile material has the advantage that it is particularly light and can also be easily washed after being removed from the frame unit. At the same time, in particular, a second functional unit made of textile material, designed as a seat, is particularly supple and comfortable.

The first functional unit and the second functional unit are advantageously designed to be essentially identical. In this way, the functional units can in particular be interchanged or one and the same functional unit can be used, for example, both as a tray on the first holding section and as a seat on the second holding section. By standardizing the engagement geometries of the functional units and their extension, the production of the functional units and thus of the entire multifunctional device can be promoted in particular.

Furthermore, the first holding section is preferably arranged at least 80 cm, preferably at least 86 cm and particularly preferably at least 92 cm, above the contact surface of the roller bodies. In particular, the floor on which the rolling bodies are supported is regarded as the contact surface of the rolling bodies. Due to a minimum height of 80 cm, it is possible to be able to roll the first functional unit in the first holding section, preferably over a table, with a first functional unit attached to it. Furthermore, a minimum height of 80 cm is favorable to prevent that a user of the multifunctional device has to bend down very strongly in order to reach objects placed on the first functional unit. The maximum height of 92 cm above the contact surface of the roller bodies is intended in particular to create a particularly small gap on work surfaces in standard kitchens, which are approximately 90 cm high, so that objects can be moved from the work surface onto the first functional unit without Overcoming a large difference in altitude to be able to park.

Furthermore, the first frame area and the second frame area preferably each have a handle, the handles being arranged adjacent to the first holding section. The handles are particularly preferably provided on a curved section of the first and second frame areas. Thus, the frame areas in the area of the first holding section have a preferably straight extension, while in the area of the handle the frame areas are each curved, preferably circularly curved. The frame unit particularly preferably has a Z-shaped contour in the side view, the handles preferably being provided on the upper knee of the Z. The handle or handles are preferably provided with an anti-slip coating. This can in particular be designed as an adhesive TPE film, which has a surface structure with fine grooves, which improve the adhesion of the skin and thereby reduce the effects of hand perspiration. Furthermore, the coating is biocompatible and, in particular, can be wiped off, with germs being particularly difficult to adhere to the surface of the coating.

Furthermore, the transverse area is preferably arranged on the side of the first and second frame area opposite the handles. In this way, the previously described U-shaped contour can be achieved, which enables the user interacting with the handles to partially enter the contour of the frame unit.

Furthermore, a brake unit is preferably provided on the frame unit, wherein a braking force can be applied to at least one of the rolling bodies, the force transmission means of the brake unit extending essentially within the frame unit. The brake unit preferably has one or two handles which are arranged in the immediate vicinity of the handles. A brake lever, as is also used in a bicycle brake, can preferably be used as the brake lever or brake handle. Advantageously, the brake levers or brake handles can be connected to the corresponding brake bodies, which are in engagement with the rolling bodies, via Bowden cables. In the event that, due to the frame design, the multifunctional device is less likely to tip over in the event of an abrupt braking, all four rolling bodies can also be braked by the braking unit. This improves handling and safety, especially when driving on slippery floors, such as surfaces covered with leaves.

In an alternative embodiment, the handle is U-shaped in the plan view of the multifunction device, with a likewise U-shaped brake lever being advantageously provided, which extends along the U-shaped handle and is pivotably suspended from the handle at its distal ends. This U-shaped brake lever allows a much larger contact surface for the user's hands than the smaller brake levers, which are similar to a bicycle brake. In addition, a very large lever arm can be achieved for the force transmitted to the brake, which is of great advantage, especially for users with weak hands, in order to be able to bring the multifunction device to a safe standstill. With the U-shaped brake lever, all rolling elements that are connected to the brake unit are preferably braked

The braking unit is particularly preferably designed to apply a braking force to the rolling bodies arranged closest to a handle. The rolling bodies arranged closest to a handle are preferably defined as the rolling bodies which are arranged essentially below the handles. The braked rolling bodies on the one facing the user are therefore particularly preferred Arranged facing side of the multifunction device, while the rolling body facing away from the user are preferably unbraked. In this way, the multifunction device can be prevented from tipping over if the user brakes too hard. If it were possible to block the front rolling elements and at the same time to transfer a force acting parallel to the horizontal plane to the handles, the user could tip over forward together with the multifunctional device. This danger is avoided by the unbraked front wheels or rolling elements of the multifunctional frame. In a particularly preferred embodiment, the brake unit can have a brake handle which transfers its braking force evenly to the two rear rolling bodies. In this way, a user can brake with one hand. Alternatively, a brake handle for actuating the brake can be provided on each frame area, which is connected to the foot area formed on this frame area and the roller body fixed there, with only one roller body being acted upon by a brake handle with a braking force.

The brake unit advantageously has a multiplicity of brake cylinders, a stamp being arranged in each brake cylinder in a longitudinally displaceable manner, which is actuated by means of a Bowden cable and pressed onto the roller body. The brake cylinders are advantageously integrated into the swivel bearings of the roller bodies on the frame and it is particularly preferable for the stamp of each brake cylinder to be guided within the bearing, which enables the suspension of the roller body to rotate around a perpendicular to the horizontal plane. At their end facing the roller body, the punches are advantageously provided with a brake block which is made of metal and particularly preferably of stainless 4A steel. This enables, on the one hand, a long service life of the brake and, on the other hand, high dimensional stability of the brake pad, which in turn allows precise pre-calculation of the braking forces that can be achieved and thus an optimal design of the brake unit.

Furthermore, a support element is preferably provided which is designed to be fixed to the first transverse area and is designed to support the back of a user. The support element can preferably be a foam roller, which can be slipped over the first transverse area in order to serve as a backrest for a user sitting on the second functional unit designed as a seat surface.

Furthermore, a footrest can be fixed on the first and on the second frame area. The footrests can be fixed in particular in the area of the foot areas of the frame areas. The footrests are particularly preferably foldable. With the help of the footrests, the multifunctional device can also function as a wheelchair in order to be able to transport a user sitting on the second functional unit with their feet raised.

Particularly preferably, the rolling bodies are mounted on the foot area so as to be rotatable about a perpendicular to the horizontal plane. Particularly preferably, the rolling bodies are mounted on the foot areas through 360 ° around a vertical axis. In this way, the multifunction device can be rotated easily and rolled in all directions of travel without further ado and without having to lift individual rolling bodies from the ground. The completely pivotable suspension of the rolling elements ensures, in particular, that the multifunction device can be used optimally in a household, in particular in a small apartment where there is little space for maneuvering.

Furthermore, the first functional unit is preferably designed in such a way that it can be brought into engagement with at least the first and the second frame area. The first functional unit can only be hung on the first and second frame areas, the transverse area in this case not assuming any supporting function for supporting the functional unit. In particular, a basket suspended from the first and second frame areas by means of two wire brackets can be attached to the frame unit as the first functional unit. As an alternative or in addition to this, the second functional unit can also be used each be designed only to engage with the first and the second frame area, the transverse areas in this case only taking on a stabilizing function of the frame unit.

A locking mechanism is advantageously provided, by means of which the rotatability of a roller body about the perpendicular to the horizontal plane can be blocked. The user can preferably activate the locking mechanism by actuating it with his foot, so that pivoting of the suspension of the roller body is prevented. The locking mechanism can preferably be deactivated again by pressing it again. Particularly preferably, the rolling bodies can be blocked in the position for straight-ahead travel in which the axes of rotation of these rolling bodies run perpendicular to the vertical plane. A locking mechanism is particularly preferably provided on each of the rear rolling bodies of the multifunction device, which are also in engagement with the brake unit. With the help of the locking mechanism, the multifunction device can be prevented from slipping sideways, which improves the support of the user. The locking mechanism advantageously also includes a braking function which, in the activated state, blocks rotation of the roller body about its own axis. This means that the multifunction device can be parked on the locking mechanism after the brake function has been activated and is secured against rolling away.

Further advantages and features of the present invention emerge from the following description with reference to the accompanying figures. It goes without saying that individual features shown only in selected ones of the representations can also be used in embodiments of other figures, unless this is explicitly excluded or is prohibited due to technical circumstances.

Fig. 1

eine perspektivische Ansicht auf eine bevorzugte Ausführungsform des erfindungsgemäßen Multifunktionsgerätes,

Fig. 2

eine Seitenansicht einer bevorzugten Ausführungsform der Rahmeneinheit eines Multifunktionsgerätes,

Fig. 3

eine weitere perspektivische Ansicht einer bevorzugten Ausführungsform des erfindungsgemäßen Multifunktionsgerätes,

Fig. 4

eine Ansicht einer bevorzugten Ausführungsform des erfindungsgemäßen Multifunktionsgerätes,

Fig. 5

eine weitere Ansicht auf die Ausführungsform der Figuren 2 und 4 des erfindungsgemäßen Multifunktionsgerätes,

Fig. 6

eine perspektivische Ansicht einer bevorzugten Ausführungsform der zweiten Funktionseinheit, und

Fig. 7

eine perspektivische Ansicht einer weiteren bevorzugten Ausführungsform der zweiten Funktionseinheit.

Show it:

Fig. 1

a perspective view of a preferred embodiment of the multifunction device according to the invention,

Fig. 2

a side view of a preferred embodiment of the frame unit of a multifunction device,

Fig. 3

another perspective view of a preferred embodiment of the multifunction device according to the invention,

Fig. 4

a view of a preferred embodiment of the multifunction device according to the invention,

Fig. 5

another view of the embodiment of Figures 2 and 4th of the multifunction device according to the invention,

Fig. 6

a perspective view of a preferred embodiment of the second functional unit, and

Fig. 7

a perspective view of a further preferred embodiment of the second functional unit.

Fig. 1 shows an embodiment of a multifunction device according to the invention with a frame unit 2, the frame unit 2 having a first frame area 21 and a second frame area 22. The first frame area 21 and the second frame area 22 are arranged at a distance from one another and are kept spaced apart from one another via a first transverse area 23 and a second transverse area 24. The frame unit 2 also has a first foot region 25 and a second foot region 26. The first frame area 21 and the second frame area 22 are particularly preferably designed essentially identically, wherein in the FIG Fig. 2 The side view shown on this embodiment of the multifunction device shows that the frame areas 21, 22 each define a Z-shaped contour together with the foot area 25, 26. In addition, the foot region 25, 26 is preferably equipped with a different cross section, in the present case a rectangular cross section as the first and second frame areas 21, 22 and the transverse areas 23, 24. The first frame area 21, the second frame area 22 and the first transverse area 23 define a first holding section A, on which a first functional unit 4 can be fixed in a form-fitting manner. Furthermore, the first frame area 21, the second frame area 22 and the second transverse area 24 preferably define a second holding section B, on which in the case of FIG Fig. 1 However, no second functional unit 5 is defined in the preferred embodiment shown. In the Fig. 1 The first functional unit 4 shown is preferably designed as a tray and has engagement means for form-fitting engagement with the holding section A on its outer edges. The positive engagement between the first functional unit 4 and the first holding section A preferably acts in the directions shown in the center of the first functional unit 4. In three directions parallel to a horizontal plane H and in the downward vertical direction which runs parallel to the vertical plane, the first functional unit 4 is secured against displacement relative to the frame unit 2. The first functional unit 4 can advantageously be removed from the first holding section A in the other directions. The frame unit 2 preferably has two handles C, which are particularly preferably each arranged in the curved part of the first frame area 21 and the second frame area 22. In addition to the ergonomic curvature of the tube of the first frame area 21 and of the second frame area 22, the handles can also have a foam or leather coating, which enables the user to intervene particularly ergonomically with the multifunction device. The frame unit 2 further preferably has a brake unit 9, the brake unit 9 preferably having two brake handles arranged on each side of the frame unit and corresponding Bowden cable connections within the first frame area 21 and the second frame area 22. The braking unit 9 preferably only brakes the rear ones, that is to say those in FIG Fig. 1 Rolling bodies 6 shown on the right. The front rolling bodies 6 shown on the left in the figure are preferably unbraked.

In Fig. 2 shows a side view of the in Fig. 1 The preferred embodiment of the frame unit 2 according to the invention shown here. The viewing direction is preferably perpendicular to the vertical plane V. It can be seen that the frame unit 2 and in particular the first frame area 21, which in FIG Fig. 2 is visible, and the second frame area 22, which is formed identically to the first frame area 21, but in FIG Fig. 2 is covered, have a substantially Z-shaped contour. It is shown in dashed lines in Fig. 2 the Bowden cable connection of the brake unit 9 between the brake handle or brake lever attached to the first frame area 21 and the rear, in Fig. 2 Rolling body 6 shown on the right. The first transverse area 23 is arranged essentially vertically above the second transverse area 24, whereby a particularly compact design of the frame unit 2 can be achieved in this way.

Fig. 3 shows a further perspective view of a preferred embodiment of the multifunctional device according to the invention, wherein, in contrast to the previously shown embodiments, a second functional unit 5 is fixed on the frame unit 2 in addition to the first functional unit 4. The other areas and components of the multifunction device correspond to the versions of Figures 1 and 2 . The second functional unit 5 can preferably be brought into engagement with the second holding section B by pivoting about an axis lying parallel to the horizontal plane. In the inserted state, the second functional unit is thereby preferably completely positively secured against linear displacements parallel to the horizontal axis and parallel to the vertical axis. At the in Fig. 3 The preferred embodiment shown is the first functional unit as in FIG Fig. 1 , designed as a tray, while the second functional unit 5 can serve both as a tray and as a seat.

Fig. 4 shows a rear view of the already in Fig. 2 Shown preferred embodiment of the multifunction device according to the invention. It can first be seen that the first frame area 21 and the second frame area 22 extend essentially perpendicularly, that is to say approximately parallel to the vertical plane V. There is a slight inclination of the frame areas 21, 22 is preferred in order to space the foot areas 25, 26 further apart than the width of the first holding section A and the second holding section B. The first frame area 21 and the second frame area 22 are preferably inclined at an angle α to the vertical plane V, this angle α is comparatively low and is, for example, in the range from 1 ° to 10 °. With the phrase “essentially parallel to the vertical plane V”, an angle α of 1 to 10 ° deviation from the parallelism to the vertical plane V is encompassed.

Fig. 5 shows a view of a preferred embodiment of the frame unit 2 according to the invention from below. In particular, the U-shaped extension of the frame unit 2 becomes clear. A user of the multifunctional device can enter the frame unit 2 in the direction shown as an arrow and, supporting on the handles C, move forward together with the multifunctional device. It is also shown that the frame unit 2 has an essentially square contour in this view, one side of the square being open.

Fig. 6 shows a preferred embodiment of the second functional unit 5, which is designed as a toilet seat. In this preferred embodiment of the second functional unit 5, the toilet seat also has a collecting container. Furthermore, a cover is preferably provided which, when the toilet seat is closed, serves as a simple seat element.

Fig. 7 shows a further preferred embodiment of the second functional unit 5 according to the invention, this being designed as a seat element, which has an ergonomic curvature, in particular at its front edge shown on the right in the figure, in order to ensure a particularly comfortable sitting of a user of the multifunctional device on the second functional unit 5.

2

- Rahmeneinheit

4

- erste Funktionseinheit

5

- zweite Funktionseinheit

6

- Rollkörper

9

- Bremseinheit

21

- erster Rahmenbereich

22

- zweiter Rahmenbereich

23

- erster Querbereich

24

- zweiter Querbereich

25

- erster Fußbereich

26

- zweiter Fußbereich

α

- Winkel

A

- erster Halteabschnitt

B

- zweiter Halteabschnitt

C

- Handgriff

H

- Horizontalebene

V

- Vertikalebene

Reference number:

2

- frame unit

4th

- first functional unit

5

- second functional unit

6th

- rolling bodies

9

- braking unit

21

- first frame area

22nd

- second frame area

23

- first transverse area

24

- second transverse area

25th

- first foot area

26th

- second foot area

α

- Angle

A.

- first holding section

B.

- second holding section

C.

- handle

H

- horizontal plane

V

- vertical plane

Claims (11)

1. A multifunctional device comprising a frame unit (2) and a first function unit (4), wherein the frame unit (2) comprises a first frame portion (21) and a second frame portion (22),
   wherein the first and second frame portions (21, 22) are connected and are held spaced apart from each other via at least a first transverse portion (23), wherein the first frame portion (21) has a first base portion (25) and the second frame portion (22) has a second base portion (26),
   wherein rolling members (6) are rotatably mounted on the base portions (25, 26),
   wherein the first frame portion (21), the second frame portion (22) and the first transverse portion (23) form a first holding section (A), and
   wherein the first function unit (4) can be positively fixed or is fixed to the first retaining section (A),
   wherein a second transverse portion (24) is fixed to the first and second frame portions (21, 22) and is spaced from the first transverse portion (23),
   said second transverse portion (24) being located between said first transverse portion (23) and said base portions (25, 26),
   wherein the first frame portion (21), the second frame portion (22) and the second transverse portion (24) form a second holding section (B),
   wherein a second function unit (5) is provided which is fixable or fixed to the second holding section (B),
   wherein said first and second frame portions (21, 22) extend substantially parallel to a vertical plane (V),
   said first transverse portion (23) extending substantially parallel to a horizontal plane (H),
   wherein the horizontal plane (H) is perpendicular to the vertical plane (V), wherein a projection of the frame unit (2) on the horizontal plane (H) results in a substantially U-shaped contour,
   wherein the first and second frame portions (21, 22) form the legs of the U-shaped contour and the transverse portions (23, 24) form the transverse section of the U-shaped contour connecting the legs,
   characterised in that
   a positive engagement is effective between the first function unit (4) and the first holding section (A) in three directions parallel to the horizontal plane (H) and in a downwardly pointing vertical direction which runs parallel to a vertical plane (V), and in that
   the first function unit (4) can be removed from the first holding section A in the other directions.
2. Multifunctional device according to any one of the preceding claims,
   wherein the first and second frame portions (21, 22) are formed together with the first transverse portion (23) on a single multi-curved tube.
3. Multifunctional device according to any one of the preceding claims,
   wherein between the first function unit (4) and the first holding section (A) and/or between the second function unit (5) and the second holding section (B) a positive fit can be established which acts in all directions parallel to the horizontal plane (H) and only in one direction orthogonal to the horizontal plane (H).
4. Multifunctional device according to any one of the preceding claims,
   wherein the first function unit (4) and/or the second function unit (5) is formed as a tray and has a substantially flat storage surface.
5. Multifunctional device according to any one of the preceding claims,
   wherein the second function unit (5) is formed as a seat element.
6. Multifunctional device according to any one of the preceding claims,
   wherein the first function unit (4) and/or the second function unit (5) is formed as a transport container and has engagement areas for a positive fit engagement at the first and/or at the second holding section (A, B).
7. Multifunctional device according to any one of the preceding claims,
   wherein the first function unit (4) and the second function unit (5) are substantially formed identically.
8. Multifunction device according to any one of the preceding claims,
   wherein the first frame portion (21) and the second frame portion (22) each comprise a handle (C),
   wherein the handles (C) are arranged adjacent to the first holding section (A), wherein the transverse portion (23) is arranged on the side of the first and second frame portions (21, 22) opposite the handles (C).
9. Multifunction device according to any one of the preceding claims, wherein a brake unit (9) is provided on the frame unit (2),
   wherein at least one of the rolling members (6) can be subjected to a braking force,
   wherein the force transmitting means of the brake unit (9) extend substantially within the frame unit (2).
10. Multifunctional device according to any one of the preceding claims,
    wherein a support element is provided and is designed to be fixed to the first transverse portion (23) and to support the back of a user.
11. Multifunctional device according to any one of the preceding claims,
    wherein the rolling members (6) are mounted on the base portion (25, 26) so as to be rotatable about a perpendicular to the horizontal plane (H),
    wherein a locking mechanism is provided by means of which the rotatability of one of the rolling members (6) about the perpendicular to the horizontal plane (H) can be locked.

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