EP1011380B1 - Kitchen arrangement with a top part and at least one substructure, carriage for removably suspending a substructure module from the top part - Google Patents

Description

The invention relates to a kitchen device according to the preamble of claim 1. Such a kitchen device is known from FR 2 454 778 A.

Hygiene conditions are of particular importance for kitchen equipment too, and all the more so when it comes to kitchen equipment for restaurants, hospitals or generally for commercial kitchens or professional kitchens. It should be aimed at an embodiment of the kitchen equipment, on the one hand in the simplest possible way enables cleaning, possibly disinfection in addition to rinsing, and, on the other hand, little opportunity for soiling, for example by adding Leftovers etc., in areas of connections, edges, joints, especially at the Top or outside of the kitchen equipment, offers. With common kitchen equipment, for example according to US 4,562,827 A or DE 43 06 545 C, is a relative high degree of pollution in connection and fastening areas, especially in the Areas of installation of thermal units, on top of the kitchen equipment given, for example, where cooking surfaces, deep fryers, roasting pans and similar work units are used.

FR 2 712 071 A is also a fastening system for modular assemblies known in a kitchen, but with numerous support and cladding profiles can be used, so that this system is quite complex. Is also in the FR 2 644 047 A describes a kitchen piece of furniture in which one on the top mounting rails table-like frame box modules can be hung with flange edges; about it a smooth, compact worktop attached, which protrudes laterally over the frame, with projections on the legs of the frame in grooves on the underside of the countertop intervention. Appropriate openings must be made here for the attachment of work units be cut into the plate.

The above-mentioned starting point for the present invention FR 2 454 778 A relates to a work surface in the form of a top plate for fitted kitchens. Here is a square recess in the work surface for receiving a frame made of plastic, in which a glass ceramic plate can be detached as a hotplate is used, a seal being arranged between the frame and the glass ceramic plate is.

The object of the invention is to provide a kitchen device of the type mentioned at the beginning, especially for commercial kitchens, to be provided with an extraordinarily high degree of Hygiene can be ensured, the easy cleaning or rinsing or disinfection which is also less susceptible to contamination from the outset, and, apart from being easy to manufacture and assemble, it is also highly mobile or easy interchangeability of their individual parts.

This object is achieved by the features defined in claim 1 solved. Advantageous embodiments and developments of the kitchen device according to the invention are specified in the subclaims.

The fact that an upper part in the form of an outward, i.e. especially up, seamless, is provided in a self-contained frame, this component offers from the outset little opportunity for contamination, especially in the form of food waste, fat, oil, etc., but also because of the seamless design easy cleaning is made possible. By inserting the individual work units, such as heating surfaces, frying pans, deep fryers, worktop modules and the like, in the Opening the frame can also be achieved at the top, a seamless connection, whereby an attachment of the working units used in the opening of the frame of the bottom is easily possible. Such attachment from the bottom The advantage here is that undesired edges, protrusions, steps, Grooves, cavities, niches, etc. that easily become dirty can be avoided. On the other hand, fixing from the underside of the upper part is easily possible that the substructures are simply detachably suspended from the frame. By hanging it out and removing these bases allows easy access to the bottom of the frame be created to fix the desired work units there, for example by screwing from the underside, especially by inserting seals, make. With regard to the reduced risk of pollution and The aim of simplified cleaning is to create the most compact, homogeneous outer surface possible the frame also has a fully welded, sealed body made of metal profiles.

For a particularly easy cleaning of the top of the Kitchen equipment by rinsing with the help of a spray hose, but also with a view to collecting overcooking food, it has also proven to be advantageous if the frame is on its top, running around the central opening, one has groove-shaped depression. The trough-shaped depression, also called drainage channel, can easily be designed in this way be that angular edges do not occur, so that Food leftovers or the like are not easy to put on, and also one easy cleaning by rinsing or wiping in this too Range is possible.

For draining the rinsing water or from overflowing It is also beneficial to cook food if the gutter-shaped Deepen at least one downward flow connected. To do this in the trough-shaped recess collected rinsing water or food to be drained To be able to dispose of it conveniently, it is also advantageous if below the drain as a substructure, a preferably movable collecting container module is provided.

With regard to the most homogeneous, easy to clean On top of the kitchen equipment, it is also an advantage if the (respective) work unit with, if necessary bent, flange-like edges on the central opening limiting support strips placed and with the interposition of Seals are screwed to these support strips.

To hang up or remove the modular substructures It was easy to carry out as easily and comfortably as possible also proven to be advantageous if the suspension parts through angled rails are formed, and the base module has flange-like suspension projections. With such Rails, which in particular along the back and Front of the top frame, it is also possible to simply hang suspended substructures along the rails to shift the width of the kitchen equipment until the desired position is reached.

To remove or hang the substructures in the To allow it to tilt slightly, it's also convenient when one rail slants you from a support surface leading transition. The oblique transition serves the Tilting the respective base module as a guide surface for the corresponding suspension projection of this substructure module, the then glides up at the sloping transition. To be particularly simple Way to allow the substructures to be attached and detached it is also beneficial if the distance between each other facing edges of the rails is smaller than the depth of the Base module, measured between those facing away from each other Edges of the hanging protrusions, however, is greater than the depth the body of the sub-module, the respective sub-module in the suspended state with its hanging projections Bends, the contact surfaces of the rails limit on which the hanging projections rest.

It is very general to prevent unwanted loosening of the substructures to prevent from the frame, useful if the substructure module on its upper, front edge area one with the Upper part cooperating locking part for locking the Has substructure module on the upper part in the suspended state.

In the case of the previous embodiment with the vote the depth of the substructure modules to the distance between the Edges of the suspension rails makes it particularly easy Locking in the manner of blocking or spreading favorable if the locking part with a locking lever a lever arm that can be expanded against the upper part is formed.

Since the substructures go up through the top of the Kitchen equipment is covered, it is also around with regard to save weight on the intended suspension, furthermore favorable if the base module is open at the top. Such an open training is possible in particular if if the substructure modules are cabinet elements deals with compartments or with shops, these cabinet elements moreover open to the front or with the help of doors, for example Double doors, can be closed. If it is - what is also conceivable - with the base module around an oven unit or a cooling unit has such a module a closed, box-like shape, but nonetheless the suspension described - or a simple one Assume such a unit, which then rolls or wheels exhibits - is possible.

For accessibility from the bottom as well as for one overall given ground clearance in the present kitchen equipment it is also an advantage if the top frame is designed for mere wall mounting.

To the strength requirements with regard to the suspension to satisfy the substructure modules, it has proven to be advantageous Proved if the top frame is made from a CrNi sheet, like on known, preferably with a thickness of about 3 mm, consists. In a corresponding manner, it is useful if the Body of the substructure module made of a CrNi sheet, as such known, preferably with a thickness of about 2 mm.

To do that Attaching or detaching such substructure modules with as much as possible little force and transport of the module to or from the To be able to manage kitchen equipment as conveniently as possible a cart can be used the one that runs obliquely relative to the driving level Support surface, the front and rear by standing up, in one spacing corresponding to the depth of the substructure modules Edges is limited, and one with the support surface fixed connected rocker arm. The contact surface can be a frame or grid-like construction or through a plate be educated.

It should be mentioned here that US Pat. No. 3,746,416 A per se already the use of a car-like, relatively complex Positioning device for kitchen units is known in which by swiveling an upright operating lever Linkage with pin slot guide an inclination the supporting plane is brought about.

Fig.1 eine schaubildliche Ansicht einer Kücheneinrichtung gemäß einen Ausführungsbeispiel der Erfindung, wobei die Wand, an der der Oberteil der Kücheneinrichtung befestigt ist, nur angedeutet ist;

Fig.2 einen schematischen Schnitt durch die Kücheneinrichtung im Bereich einer Grillplatte, ungefähr gemäß der Linie II-II in Fig.1;

Fig.3 ein an der Ober- und Vorderseite offenes Unterbau-Modul dieser Kücheneinrichtung;

die Fig.4 und 5 schematische Ansichten zur Veranschaulichung des Einhängens bzw. Aushängens eines derartigen Unterbau-Moduls;

Fig.6 in gegenüber Fig.2 vergrößertem Maßstab eine Schnittdarstellung im Bereich der vorderen Oberkante des Unterbau-Moduls, zur Veranschaulichung eines Arretierteils zum Fixieren des Unterbau-Moduls am Oberteil der Kücheneinrichtung;

Fig.7 in einer schaubildlichen Ansicht einen derartigen Arretierteil; und

Fig.8 eine schaubildliche Ansicht eines Sammelbehälter-Wagens mit Einzelbehältern zum Sammeln von Speiseresten, ablaufendem Wasser und dergl.

The invention is explained in more detail below on the basis of preferred exemplary embodiments illustrated in the drawing, to which, however, it should not be limited. In detail show:

1 shows a perspective view of a kitchen device according to an exemplary embodiment of the invention, the wall to which the upper part of the kitchen device is attached being only indicated;

2 shows a schematic section through the kitchen equipment in the area of a grill plate, approximately along the line II-II in FIG. 1;

3 shows an open base module of this kitchen device on the top and front;

Figures 4 and 5 are schematic views illustrating the hanging or unhooking of such a sub-module;

6 shows a sectional view in the area of the front upper edge of the base module, on an enlarged scale compared to FIG. 2, to illustrate a locking part for fixing the base module to the upper part of the kitchen device;

7 shows a locking part of this type in a diagrammatic view; and

8 shows a perspective view of a collecting container wagon with individual containers for collecting leftovers, running water and the like.

In Figure 1 is a perspective view Kitchen equipment 1 regarded as particularly preferred illustrated, which is designed for wall mounting, wherein a mounting wall 2 has only been shown schematically. Such a wall 2 can also be seen in FIG. 2.

In detail, the kitchen device 1 according to FIG. 1 consists of an upper part 3, which is through a compact, tight, fully welded Frame 4 made of generally C-shaped CrNi sheet metal parts exists, cf. except Fig.1 also Fig.2, where the cross section of the Frame 4 and its central upper opening 5 can be seen are. Specifically, the frame 4 has a body 6 of four mitred, tightly welded together Profiles 7 on, in particular two over the entire Length of the kitchen device 1 extending longitudinal profiles 7 (a front and a rear) and two over the Depth of the kitchen device 1 extending transverse profiles 7. These profiles 7 are in the corner areas of the frame 4 as mentioned welded together, as in Fig.1 with a Dashed line 8 is indicated, but a total homogeneous, compact, dense, dirt-repellent exterior of the Body 6 of the upper part 3 is obtained.

The profiles 7 have a channel-shaped top Well 9 shaped so that one is around the Opening 5 extending gutter is formed, as out of Fig.2 in particular also emerges from Fig.1. This gutter-shaped Recess 9 closes on the inside as a boundary of the middle Opening 5 of the upper part 3 to a flange-like support strip 10 (see Fig. 2), which may be angled down at the inner edge and can be used to support an attached Work unit inserted into the opening 5 of the frame 3 serves. Such work units are, for example 1 a large cooktop 11, a grill plate 12, a Pan 13, a work surface 14 and a deep fryer 15 illustrated. Of course there are also others - thermal or non-thermal - components or general Work units conceivable, such as warming surfaces, induction cooking surfaces etc.; ceramic hobs in particular can be used as hobs Find use, with highly polished surfaces can be provided to prevent food residues from accumulating, Counteract grease or general dirt.

Between the individual work units 11 to 15 can transverse gutter parts 16 may be used, the open into the circumferential drainage channel 9 at the front and rear. In the front corner areas of the kitchen device 1 are also connected to the gutter 9 drains 17, which, like is also indicated schematically in FIG. 2, simply from drain pipes can exist, which open out at the bottom but preferably with a shut-off device, not shown can be provided. Below these processes 17 a movable, cart-like collecting container module 18 is inserted, s. in addition to Fig. 1 also Fig. 8. This collection container module consists for example - according to Figure 8 - with a car Wheels or rollers 19 on which several, e.g. three, storage tanks 20, 21, 22 for the separate collection and disposal of solid kitchen waste; Meat residues; as well as fats or water (Rinse water) or overflowing food - preferably removable - are provided.

This collecting container module 18 represents one of several possible substructure modules for kitchen equipment 1, in Figure 1 a further movable collecting container module 18 'is shown inserted in an inoperative position. In addition, as substructure modules, with suspension on Upper part 3, for example an oven module 23, an open one Cabinet element module 24 and an open cabinet element module 25 illustrated with intermediate board 26. However, are also conceivable (not shown) cabinet elements with double doors and shop elements, also refrigerator modules and the like. In particular the oven module 23 could also be a movable module with Wheels or rollers, similar to the collection container modules 18, 18 ', his. However, substructure modules that can be suspended or attached are preferred, this releasable hanging attachment below is to be explained in particular with reference to FIG.

In Fig.2 is an example of the open at the front Cabinet element 24 as a substructure module illustrates which the underside of the upper part 3, i.e. of the frame 4, hung is a solution in a simple manner, without the aid of special tools, is possible; in this way the Order of substructure modules, e.g. 23, 24, 25 according to Fig.1, at the kitchen equipment 1 can be designed individually. Furthermore, by unhooking and taking away these base modules also conveniently created access to the underside of the upper part 3 be, accordingly the attachment of the work units 11 to 15 in the frame 4 of the upper part 3 from the bottom forth and can be made. In particular, how is shown, for example, in FIG. 2, between the support strips 10 and gradations 27, edges or possibly bent Flanges of the work units (e.g. the grill plate according to Fig. 2 12) Seals 28 (Teflon seals) inserted, and it is done a screw connection in this area from the bottom, like is schematically indicated at 29 in FIG. Access for this Screw connection at 29 is through the lower frame opening, between lower, possibly different width flanges 30 or 31 of the (longitudinal) profiles 7 of the frame 4, possible.

As mentioned, the substructure modules, e.g. a cabinet module 24 as shown in FIG. 2, being carried by the flanges 30, 31 of the frame profiles 7 become. In particular, these flanges 30, 31 are angled Welded rails 32, 33, on which also on the top a cover 34 can be attached and screwed tight can, as illustrated at 35. It can also a (Teflon) seal 28 may be interposed.

The rails 32, 33 define lower contact surfaces 36 for flange-like suspension projections 37, 37 'on the upper longitudinal edges of the substructure module 24, see. except Fig.2 in particular Figure 3. It can be seen from Figure 3 that the cabinet module 24th apart from the front formed by an angle bar Suspension projection 37, on the front 38 as well as on the Top 39 is open.

In the following, the hooking-in is now to be carried out using FIGS (Fig.4) or unhooking (Fig.5) of such a module 24 on the frame 4 of the upper part 3 are explained, with a further in Fig.5 preferred to be used for this hanging and unhooking Carriage 40 is illustrated.

As can be seen from FIGS. 4 and 5 and also from FIG Width of the opening on the underside of the upper part 3, i.e. the Distance between the facing edges of the flanges 30, 31 or rails 32, 33, greater than the depth of the actual Body 24 'of the module 24 to be attached, but smaller than the distance between the mutually facing edges of the Suspension projections 37, 37 'of the substructure module 24. This can the substructure module 24 with its suspension projections 37, 37 ' rest on the bearing surfaces 36 and thereby on adjacent bends of rails 32, 33 abut substructure module 24 can, however, be inclined slightly for hanging or unhooking and in the manner of "threading" or "threading" through the Opening between the facing edges of the flanges 30, 31 are passed. This tilting or sloping of the substructure module 24 is through an oblique transition 41 front rail 32 relieved; this sloping transition 41 in The front suspension projection 37 leads in the form of an inclined ramp of the substructure module 24 when pulling the same, whereby it a tipping and lifting of the front comes; Because of this Move forward (to the right in Fig. 2) and diagonally upwards the rear suspension projection 37 '(which is also shown in FIG Shape of an angle rail, but with a stop angle is formed vertically upward) on the edge of the rear Flange 31 or the rear rail 33 are moved past to do the hanging or unhooking.

A position of the substructure module is shown schematically in FIG 24, in which the front hook-in projection 37 the oblique Transition 41 is led upwards, so that for hanging of the module 24 in the lower opening of the frame 4 the rear Suspension projection 37 'past the rear flange 31 can be, as illustrated by arrow 42. Previously, according to arrow A, the module 24, for example with Help of the car 40 according to Figure 5, brought up under the superstructure 3 and then raised as illustrated by arrow 43 is; Furthermore, the front of the base module was as described 24 moved slightly forward, see p. Arrow 44, the front suspension projection 37 at the transition 41 obliquely to the front was led above.

If the base module 24 according to arrow 42 also on the rear End was raised enough (the cover 34 also as Stop serves this), the substructure module 24 with a slight movement backwards (see arrow 45) to the Rails 32, 33, i.e. suspended on their bearing surfaces 36 become.

When the substructure module 24 is unhooked, essentially proceeded in the opposite way to the hooking in, whereby introductory, see. 5, the module 24 according to arrow 46 with the help of the carriage 40 is pulled forward after the carriage 40 with its bearing surface 47 against the bottom of the module 24 by tilting his larger wheel 48 with the help of a handle 49, one Rocker arm for this forms, tilted in the direction of arrow 50 with the smaller wheel 51 being lifted off the floor 52. After the described movement of the module 24 forward, in Direction of arrow 46, with the front suspension protrusion 37 slides up at the sloping transition 41, the rear suspension projection comes 37 'of the rear flange 31 and the rear bearing surface 36 free, whereby the module 24 on the back of the Frame opening falls down when the carriage 40 with its smaller roller 51 is lowered. Here or after the Carriage 40 with module 24 in the direction of arrow 53 to the rear pushed so that the front suspension projection 37 front of the Rail 32 comes free, which led to the end of the suspension is.

As can also be seen from FIG. 5, the carriage 40 47 upstanding edges at the two ends of its support surface 54, 55, so as to attach or detach the base module 24 when tilting forward or backward against slipping to secure. Laterally, the bearing surface 47 is free, so that with one and the same car 40 base modules with the most varied Widths (see for example the modules 24, 25 in Fig. 1) can be attached or detached. It should also be mentioned that the bearing surface 47 and the edges 54, 55 are not homogeneous, must be plate-shaped parts, but also by lattice-like or rust-like structures can be formed. In particular, the edges 54, 55 can also be bow-shaped bent rods have been preserved. It is only essential that the Rocker arm 49 (handlebar) firmly connected to the support surface 47 is, the stability must be sufficient to the largest, i.e. most difficult to be able to mount and unmount sub-modules.

To prevent the inadvertent shifting after insertion Substructure modules, e.g. 24, not only in the longitudinal direction of the Rails 32, 33, but above all also transversely thereto, that is in particular according to the representation in Fig. 2 to the right (to the front), to prevent is in the front upper area of each Substructure module, e.g. 24, adjacent to the suspension projection 37, a locking part 56 in the form of a locking lever attached, the in one of the suspension projection 37 with its upper, horizontal flange defining angle profile strip inside welded-on tabs 57, 58 (see also, in particular, except for FIG. 6) Fig.7), namely in the upward open, otherwise circular arc Bearing recesses 59, pivotable with a rod part 60 is stored. The rod part 60 is a handle 61 completed, which forms the one lever arm of the locking lever 56. The other lever arm 62 is against the cover by one 34 of the upper part 3 expandable tubular body 63 is formed. This Tubular body 63 lies in the locking position shown in FIG or blocking position on the one hand on the upper edge of the body of the Sub-module 24 and on the other hand on the underside of the cover 34, in an "over-dead-center position" from which he by pivoting the handle 61 firmly connected to it in the direction of arrow 64 (see Fig. 6) - with a slight elasticity Deflection of the cover 34 upwards - in a release position can be moved. As stiffening in this spreading of the Locking lever 56 against the cover 34 is on this one in Cross-section of rectangular stiffening molded pipe 65 welded on.

As can also be seen from FIG. 6, it is a suspension part provided angled rail 32 to the front pulled up to reinforce when screwing on a To serve limiting or protective bracket 66, the - s. also Fig. 1 - for limiting and as a ram protection of a control panel with Operating handles or the like. Controls 67 is used. Of course can instead of protruding button-like Operating handles also e.g. Touch or sensor fields as control elements be provided for the work units 11 to 15.

Otherwise, the through the angled rails 32, 33rd as well as the frame profiles 7 limited cavities (e.g. 68 in Fig.6) on the end faces by the extending in the transverse direction outer transverse profiles 7 covered, where also there a weld can be made so that overall here also related to the environment, but for a cleaning difficult to access and thus a hygiene risk performing cavities are avoided.

Overall, the kitchen device 1 thus described a homogeneous, compact, seamless top 3, the is easy to clean, and it is not possible from the outset offers for the preparation of leftovers and the like that a high level of hygiene is guaranteed. Furthermore is through the described modular system regarding work units as well as substructures a high degree of flexibility for given individual designs.

Finally, as shown schematically in FIG be walled in the wall 2 a support 69, of which horizontal rails 70 for the attachment (and adjustment) of the Protruding top 3 of the kitchen device 1 to the outside, and preferably at the outer edges of the kitchen device 1. Accordingly, the entire kitchen device 1 is to be attached to the wall, where below the suspended base modules, e.g. 24, ground clearance is given. If necessary, however also, should this be desired, on the outer edges or Broad sides of the kitchen device 1 in itself conventional Way uprights are attached to the kitchen equipment 1 on the Supporting the floor should not be possible to fix it to the wall his.

The profiles 7 for the frame 4 of the upper part 3 exist preferably from a 3 mm CrNi sheet, whereas the substructure modules, e.g. 24, 25, can consist of a 2 mm CrNi sheet.

The kitchen device 1 described is particularly suitable for so-called "professional" kitchens or commercial kitchens, for example for Hospitals or restaurants where strict hygiene regulations apply and wherever there is a high degree of mobility or Variability of the individual substructures as well as work units is desired. From the above explanations, that the substructure modules in particular are simply attached, along the rails 32, 33 over the entire length of the Kitchen equipment 1 moved and with the help of the locking lever 56 can be fixed, and that the work units 11th up to 15 simply loosened from the bottom, removed, on can be used elsewhere and fixed again.

Claims (14)

1. A kitchen equipment having a rectangular top part (3) with an opening (5) into which at least one working unit (11 to 15) is releasably inserted and with at least one suspendedly fastened substructure (e.g. 24), characterized in that the top part (3) is a frame corpus (6) of generally C-shaped metal sections (7) tightly welded together at the frame corners (8), which forms an outwardly gap-free frame (4) having a central opening (5) for insertion of the working unit(s) (11 to 15), suspension members being provided on the lower side of the frame (4), adjacent the opening (5), for detachable suspension of the module-like substructure (e.g. 24) thereon.
2. A kitchen equipment according to claim 1, characterized in that the frame (4) on its upper side has a channel-shaped indentation (9) extending around the central opening (5).
3. A kitchen equipment according to claim 2, characterized in that at least one downwardly extending drain (17) is connected to the channel-shaped indentation (9).
4. A kitchen equipment according to claim 3, characterized in that below the drain (17) a preferably movable collecting container module (18; 18') is provided as substructure.
5. A kitchen equipment according to any one of claims 1 to 4, characterized in that the (respective) working unit (11 to 15) comprising optionally bent, flange-like rims (27) is put onto carrying ledges (10) defining the central opening (5) and screwed to these carrying ledges (10) with gaskets (28) interposed.
6. A kitchen equipment according to any one of claims 1 to 5, characterized in that the suspension members are formed by angled rails (32, 33) and the substructure module (24) has flange-like suspension projections (37).
7. A kitchen equipment according to claim 6, characterized in that the one rail (32) includes a transition (41) leading inclinedly upwardly from a resting surface (36).
8. A kitchen equipment according to claim 6 or 7, characterized in that the distance between facing rims of the rails (32, 33) is smaller than the front-to-rear dimension or depth of the substructure module (24), measured between the facing away rims of the suspension projections (27), yet is larger than the depth of the corpus of the substructure module (24), the respective substructure module (24) in its suspended state abutting with its suspension projections (37) on angled portions (e.g. 41) which delimit resting surfaces (36) of the rails (32, 33) on which the suspension projections (37) rest.
9. A kitchen equipment according to any one of claims 1 to 8, characterized in that the substructure module (24) at its upper, front-side rim region includes a locking member (56) cooperating with the top part (3) to lock the substructure module (24) on the top part (3) in its suspended state.
10. A kitchen equipment according to claims 8 and 9, characterized in that the locking member is formed by a locking lever (56) having a lever arm (62) braceable relative to the top part (3).
11. A kitchen equipment according to any one of claims 1 to 10, characterized in that the substructure module (24) is designed to be upwardly open.
12. A kitchen equipment according to any one of claims 1 to 11, characterized in that the top part frame (4) is designed for a mere fastening to the wall.
13. A kitchen equipment according to any one of claims 1 to 12, characterized in that the top part frame (4) consists of a CrNi sheet, e.g. having a thickness of approximately 3 mm.
14. A kitchen equipment according to any one of claims 1 to 13, characterized in that the corpus of the substructure module (24) consists of a CrNi sheet, e.g. having a thickness of approximately 2 mm.

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