Cooking device comprising a muffle

Abstract

The invention relates to a cooking appliance (2) with a cooking appliance width, a cooking appliance height and a cooking appliance depth, comprising a housing (4) with a cooking appliance muffle (6) of the cooking appliance (2) arranged in the housing (4) to form a cooking chamber, wherein the cooking appliance muffle (6) is attached to a housing front (10) of the housing (4) by a muffle front (8) of the cooking appliance muffle (6) and the cooking appliance (2) has at least one further bearing spaced apart from the muffle front (8) along a depth dimension of the cooking appliance (2) running parallel to the cooking appliance depth for attaching the cooking appliance muffle (6) to the housing (4), characterized in that the at least one further bearing is designed as only a single floating bearing (12), wherein this floating bearing (12) is designed and arranged such thatthat in a non-use state of the cooking appliance (2) and in every use state of the cooking appliance (2) a movement of the cooking appliance muffle (6) relative to the housing (4) along the depth dimension of the cooking appliance (2) is made possible by means of this floating bearing (12).

Description

[0001] The invention relates to a cooking appliance with a cooking appliance muffle of the type mentioned in the preamble of patent claim 1.

[0002] Such cooking appliances are already known from the prior art in a variety of embodiments and comprise a housing with a cooking appliance muffle arranged in the housing to form a cooking chamber, wherein the cooking appliance muffle is fastened by a muffle front side of the cooking appliance muffle to a housing front side of the housing and the cooking appliance has at least one further bearing for fastening the cooking appliance muffle to the housing, spaced from the muffle front side along a depth dimension of the cooking appliance running parallel to the cooking appliance depth. When the cooking appliance is in use, the cooking appliance muffle heats up, so that the cooking appliance muffle expands and thus moves relative to the housing.This can lead to undesirable mechanical stresses between the cooking appliance muffle and the housing of the cooking appliance, so that the proper functioning of the cooking appliance can be impaired or the cooking appliance, i.e. the cooking appliance muffle and / or the housing, can even be damaged.

[0003] From the documents DE 103 14 500 B4 and WO 2007 / 088078 A1 and EP 1 464 895 B1 and DE 103 14 589 A1, cooking appliances are known which have a loose bearing that enables movement of the appliance muffle relative to the housing.

[0004] The invention is based on the object of improving a cooking appliance with a cooking appliance muffle.

[0005] According to the invention, this object is achieved by a cooking appliance having the features of patent claim 1.

[0006] The advantage achievable with the invention lies in the particular fact that a cooking appliance with a cooking appliance muffle is improved. Due to the cooking appliance according to the invention, it is possible for the cooking appliance muffle to expand along the depth dimension of the cooking appliance according to the invention when not in use and in any use state of the cooking appliance, without this leading to undesirable and disadvantageous mechanical tension between the cooking appliance muffle on one side and the housing on the other side. This is because, by means of the additional bearing designed as only a single loose bearing, a floating bearing of the cooking appliance muffle relative to the housing along the depth dimension of the cooking appliance according to the invention is possible. Accordingly, for example, the above-described enamel flaking of an enameled cooking appliance muffle is effectively prevented.The cooking appliance muffle of the cooking appliance according to the invention can thus be sufficiently fastened to the housing along the depth dimension without the proper function of the cooking appliance according to the invention being impaired due to mechanical stresses, either when not in use or in any of the use states. While in the prior art, in addition to the fastening of the muffle front to the housing front with at least two additional bearings spaced from the muffle front in the depth dimension of the cooking appliance, this fastening is also achieved according to the invention by means of the additional bearing designed as a single loose bearing.

[0007] In principle, the cooking appliance according to the invention can be freely selected within wide, suitable limits in terms of type, mode of operation, material, and dimensions. For example, the cooking appliance according to the invention can be designed as an oven, a steam cooker, a microwave oven, or as a combination appliance with a plurality of different heating types. Furthermore, the cooking appliance according to the invention can be designed both as a household appliance and as a commercial cooking appliance, i.e., a cooking appliance for professional use. The properties of the cooking appliance muffle, for example, can be correspondingly diverse, so that the cooking appliance muffle does not necessarily have to be an enameled cooking appliance muffle. Purely as an example, reference is made here to stainless steel muffles.

[0008] A particularly advantageous development of the cooking appliance according to the invention provides that the aforementioned movable bearing is designed and arranged in such a way that, when the cooking appliance is not in use and in each of the use states of the cooking appliance, this movable bearing enables movement of the cooking appliance muffle relative to the housing along a width dimension running parallel to the cooking appliance width and / or along a height dimension of the cooking appliance running parallel to the cooking appliance height. In this way, by means of the additional bearing designed as a single movable bearing, it is possible, in contrast to the prior art, that in addition to the aforementioned compensation along the depth dimension of the cooking appliance, a corresponding compensation along the width dimension and / or the height dimension of the cooking appliance is also effectively enabled.Thus, even under very high temperature loads on the cooking appliance muffle and the associated strong mechanical loads, proper operation of the cooking appliance according to the invention is possible. Accordingly, the invention according to the present development, namely the additional bearing configured as a single floating bearing, also allows for a movement of the cooking appliance muffle relative to the housing along the width dimension and / or along the height dimension of the cooking appliance according to the invention to be compensated in such a way that essentially no force is transmitted from the cooking appliance muffle into the housing caused by the aforementioned movements.With simultaneous compensation of movements of the cooking appliance muffle relative to the housing along the width dimension and the height dimension, cooking appliance muffle torsions can also be compensated so that associated moments are also not transferred to the housing by means of the aforementioned loose bearing.

[0009] A further advantageous development of the cooking appliance according to the invention provides that the aforementioned movable bearing is arranged in a region of the cooking appliance muffle that faces a rear side of the cooking appliance muffle arranged opposite the muffle front side. Preferably, the aforementioned movable bearing is arranged on the rear side of the cooking appliance muffle. Particularly preferably, the aforementioned movable bearing is arranged substantially centrally on the rear side of the cooking appliance muffle, relative to a width of the cooking appliance muffle running parallel to the width of the cooking appliance. The phrase "facing the rear side of the cooking appliance" here means that the distance of the aforementioned movable bearing from the rear side of the cooking appliance muffle is at least smaller than from the front side of the cooking appliance muffle.As a result, the additional bearing, designed as a single floating bearing, is arranged in a position that is particularly suitable for practical use, as this results in particularly wide support of the cooking appliance muffle along the depth dimension of the cooking appliance. This applies particularly to the preferred embodiment of this development. The particularly preferred embodiment of this development also has the further advantage that the additional bearing, designed as a single floating bearing, is arranged in a central position on the rear of the muffle, so that, in conjunction with the fastening of the cooking appliance muffle to the front of the housing, a substantially symmetrical support of the cooking appliance muffle on the housing is achieved.

[0010] Another advantageous development of the cooking appliance according to the invention provides that the aforementioned floating bearing comprises a bearing ball arranged on the cooking appliance muffle or a bearing pin arranged on the cooking appliance muffle, wherein the bearing ball or the bearing pin is movably mounted in a correspondingly designed bearing ball receptacle or bearing pin receptacle arranged on the housing. This allows this floating bearing to be implemented in a particularly advantageous manner in terms of design and manufacturing technology. A pairing of bearing ball and bearing ball receptacle enables compensation for movement of the cooking appliance muffle relative to the housing along the depth, width, and height dimensions of the cooking appliance.When a bearing pin and bearing pin receptacle are paired, compensation for movement of the cooking appliance muffle relative to the housing is typically possible along the depth and width dimensions or along the depth and height dimensions of the cooking appliance. However, embodiments of the invention are also conceivable in which the latter pairing also enables equalization, i.e., compensation, in all three aforementioned dimensions of the cooking appliance according to the invention. See also the exemplary embodiment explained below. Of course, embodiments of the invention are also conceivable in which the bearing ball or the bearing pin is arranged on the housing and the bearing ball receptacle or the bearing pin receptacle is arranged on the cooking appliance muffle.

[0011] According to the invention, the cooking appliance comprises a height adjustment device for aligning the muffle front side of the cooking appliance muffle with the housing front side of the housing, wherein the height adjustment device and the aforementioned movable bearing are designed to functionally interact with one another to maintain the aforementioned alignment in an aligned state of the cooking appliance. In this way, by means of the height adjustment device and the interacting movable bearing, in addition to supporting the cooking appliance muffle on the housing, an alignment of the muffle front side with the housing front side and a locking of the cooking appliance muffle relative to the housing in this aligned state of the cooking appliance are made possible in a very simple manner in terms of design and manufacturing technology.

[0012] An advantageous further development of the aforementioned embodiment of the cooking appliance according to the invention provides that the height adjustment device and the aforementioned floating bearing are designed to be coordinated with one another in such a way that the housing front and the muffle front, when the cooking appliance is aligned, each assume an angle of substantially 90° to a mounting surface of the cooking appliance, wherein the muffle front and the housing front run substantially parallel to one another. This achieves optimal alignment of the cooking appliance muffle relative to the housing. For example, such an alignment is particularly advantageous if the cooking appliance is a microwave oven or a combination appliance with a microwave heater. With such cooking appliances, minimization of unwanted leakage radiation is necessary.By means of the essentially exact alignment of the muffle front side to the housing front side, namely an essentially parallel alignment of the muffle front side to the housing front side, this is made possible in a simple manner in terms of design and production technology.

[0013] According to the invention, the height adjustment device and the aforementioned movable bearing are designed to be coordinated with one another in such a way that the cooking appliance can be clamped into an alignment device for the purpose of the aforementioned alignment, and the height adjustment device can be automatically transferred by means of the alignment device into a height adjustment device setting position corresponding to this alignment, and can be locked in this height adjustment device setting position by means of the aforementioned movable bearing in such a way that the aforementioned alignment is maintained even after the cooking appliance has been removed from the alignment device. In this way, a correct and thus functionally reliable alignment of the muffle front of the cooking appliance muffle relative to the housing front of the housing can be carried out easily and reliably reproduced during production.

[0014] An alternative according to the invention provides that the height adjustment device and the aforementioned movable bearing are designed to be coordinated with one another in such a way that the aforementioned alignment can be carried out in a first step, and in a subsequent second step, the height adjustment device can be transferred into a height adjustment device setting position such that the aforementioned movable bearing can be locked by means of the height adjustment device in a height position corresponding to the aforementioned alignment. This enables the alignment of the muffle front of the cooking appliance muffle relative to the housing front of the housing in a structurally and manufacturing-technically simple manner, even without the use of an alignment device.Of course, the alignment of the muffle front relative to the housing front according to the present embodiment can also be carried out using an alignment device, wherein, after the cooking appliance has been aligned, the height adjustment device can be manually transferred into its height adjustment device setting position. Accordingly, in this case, the alignment device corresponding to the present embodiment would differ from the alignment device corresponding to the embodiment according to claim 7 only in that the height adjustment device is transferred manually instead of automatically into its height adjustment device setting position.It is also conceivable that the aforementioned alignment can be carried out by means of the height adjustment device, i.e. a height adjustment is carried out by means of the height adjustment device until the desired alignment of the muffle front side to the housing front side is achieved and can be confirmed, for example, by means of the aforementioned alignment device.

[0015] A particularly advantageous development of the cooking appliance according to the invention according to one of claims 5 to 8 provides that the height adjustment device is at least partially, preferably completely, combined with the aforementioned movable bearing to form a single structural unit. In this way, the height adjustment device on the one hand and the further bearing designed as a single movable bearing on the other, which functionally interact with one another in the manner explained above, are also structurally combined at least partially, preferably completely. Accordingly, the number of individual components of the cooking appliance according to the invention is reduced, so that storage and production, in particular handling, are simplified. The aforementioned structural unit can also be obtained, for example, as a single purchased part from a supplier.

[0016] Furthermore, an advantageous development of the cooking appliance according to the invention according to one of claims 5 to 9 provides that the height adjustment device has a threaded bolt with an external thread and at least one threaded base corresponding to this threaded bolt with an internal thread, preferably that a handle or a tool interface for rotating the threaded bolt about a rotation axis of the threaded bolt is arranged on the threaded bolt. As a result, the height adjustment device can be implemented in a particularly simple manner in terms of design and production technology. The preferred embodiment also has the further advantage that the height adjustment device can be easily operated either by hand or with a hand tool for carrying out the above-explained alignment of the muffle front to the housing front.

[0017] An embodiment of the invention is shown purely schematically in the drawings and is described in more detail below. It shows Figure 1 shows an embodiment of the cooking appliance according to the invention in a partial, lateral sectional view and Figure 2 shows the embodiment in a partial cross-sectional view in the area of ​​the loose bearing.

[0018] In the Fig. 1 and 2 An embodiment of the cooking appliance according to the invention is shown purely by way of example.

[0019] The cooking appliance 2, designed as a steam cooker with microwave function, has a cooking appliance width, a cooking appliance height and a cooking appliance depth, wherein in the Fig. 1 The cooking appliance width runs perpendicular to the image plane, the cooking appliance height runs from bottom to top in the image plane, and the cooking appliance depth runs from left to right in the image plane. In contrast, in the Fig. 2 the cooking appliance width in the image plane from left to right, the cooking appliance height in the image plane from bottom to top and the cooking appliance depth perpendicular to the image plane.

[0020] The cooking appliance 2 comprises a housing 4 with a cooking appliance muffle 6 of the cooking appliance 2 arranged in the housing 4 to form a cooking chamber (not shown), wherein the cooking appliance muffle 6 is fastened with a muffle front side 8 of the cooking appliance muffle 6 to a housing front side 10 of the housing 4 and the cooking appliance 2 has at least one further bearing spaced from the muffle front side 8 along a depth dimension of the cooking appliance 2 running parallel to the cooking appliance depth for fastening the cooking appliance muffle 6 to the housing 4. The Fig. 1 The apparent spacing of the housing 4 from the cooking appliance muffle 6 is for clarity only.

[0021] The fastening of the muffle front side 8 of the cooking appliance muffle 6 to the housing front side 10 of the housing 4 can, for example, be designed such that the cooking appliance muffle 6 is fixed to the housing 4, namely the housing front side 10 of the housing 4, by means of the muffle front side 8 along the depth dimension of the cooking appliance 2. Accordingly, the aforementioned fastening, with respect to the depth dimension, can be designed as two fixed bearings arranged spaced apart from one another along the width dimension.

[0022] According to the invention, the at least one further bearing is designed as a single floating bearing 12, wherein this floating bearing 12 is designed and arranged such that in a non-use state of the cooking appliance 2 and in any use state of the cooking appliance 2, a movement of the cooking appliance muffle 6 relative to the housing 4 along the depth dimension of the cooking appliance 2 is possible by means of this floating bearing 12. According to the above explanations, the depth dimension of the cooking appliance 2 runs in the image plane of the Fig. 1 from left to right and in the image plane of the Fig. 2 perpendicular to the image plane.

[0023] The movable bearing 12 in the present embodiment is further designed and arranged such that, in the non-use state of the cooking appliance 2 and in each of the use states of the cooking appliance 2, this movable bearing 12 enables a movement of the cooking appliance muffle 6 relative to the housing 4 along a width dimension of the cooking appliance 2 running parallel to the cooking appliance width and along a height dimension of the cooking appliance 2 running parallel to the cooking appliance height. See also the relevant explanations in the introduction to the description. According to the above explanations, the width dimension of the cooking appliance 2 runs perpendicular to the image plane of the Fig. 1 and in the image plane of the Fig. 2 from left to right, while the height dimension of the cooking appliance 2 in the respective image plane of the Fig. 1 and 2 runs from bottom to top.

[0024] In addition, the movable bearing 12 is arranged in a region of the cooking appliance muffle 6 which faces a muffle rear side 14 of the cooking appliance muffle 6 arranged opposite the muffle front side 8, wherein the aforementioned movable bearing is arranged on the muffle rear side 14 in the present exemplary embodiment, namely in such a way that the movable bearing 12 is arranged essentially centrally on the muffle rear side 14, relative to a muffle width of the cooking appliance muffle 6 running parallel to the cooking appliance width. See the Fig. 2 .

[0025] The floating bearing 12 here has a bearing pin 16 arranged on the cooking appliance muffle 6, namely on the muffle rear side 14, wherein the bearing pin 16 is movably mounted in a correspondingly designed bearing pin receptacle 18 arranged on the housing 4. See the Fig. 1 and 2in a synopsis. As can be seen therefrom, the bearing pin receptacle 18, designed as an elongated hole, is formed in a support bracket 20 of the floating bearing 12 in such a way that the bearing pin 16 engaging in the bearing pin receptacle 18 is movably guided in the bearing pin receptacle 18 in such a way that the bearing pin 16 can move to the required extent along the depth dimension, the width dimension, and the height dimension, both in the non-use state and in any use state of the cooking appliance 2. Accordingly, the bearing pin 16 rests on a contact surface 22 of the bearing pin receptacle 18 solely due to gravity. Furthermore, the bearing pin 16 does not rest on the support bracket 20 in which the bearing pin receptacle 18 is arranged, neither in the non-use state nor in the use states of the cooking appliance 2.Thus, the bearing pin 16 can move sufficiently freely in the bearing pin receptacle 18 along the width dimension, the height dimension and the depth dimension, in particular in each of the usage states of the cooking appliance 2.

[0026] Due to the cooking appliance 2, it is therefore possible for the cooking appliance muffle 6 to expand along the depth dimension of the cooking appliance 2 according to the invention in the non-use state and in any use state of the cooking appliance 2, without this leading to undesirable and disadvantageous mechanical tension between the cooking appliance muffle 6 on one side and the housing 4 on the other side. This is because, by means of the additional bearing embodied as a single loose bearing 12, a floating mounting of the cooking appliance muffle 6 relative to the housing 4 along the depth dimension of the cooking appliance 2 is possible. The cooking appliance muffle 6 of the cooking appliance 2 can therefore be sufficiently fastened to the housing 4 along the depth dimension without the proper functioning of the cooking appliance 2 according to the invention being impaired due to mechanical tension, neither in the non-use state nor in any of the use states.While in the prior art, in which the cooking appliance muffle is held on the housing at a distance from the muffle front in the depth dimension of the cooking appliance in addition to the attachment of the muffle front to the housing front with at least two further bearings, according to the invention this holding is additionally achieved by means of the further bearing designed as a single loose bearing 12. Furthermore, in contrast to the prior art, by means of the further bearing designed as a single loose bearing 12, it is possible that, in addition to the aforementioned compensation along the depth dimension of the cooking appliance 2, a corresponding compensation along the width dimension and the height dimension of the cooking appliance 2 is also effectively enabled. Thus, even under very high temperature loads of the cooking appliance muffle 6 and the associated strong mechanical loads, proper operation of the cooking appliance 2 is possible.Accordingly, by means of the additional bearing designed as only a single loose bearing 12, movements of the cooking appliance muffle 6 relative to the housing 4 along the width dimension and along the height dimension of the cooking appliance 2 can also be compensated in such a way that essentially no force is introduced from the cooking appliance muffle 6 into the housing 4 caused by the aforementioned movements of the cooking appliance muffle 6, i.e. no mechanical tension is created.

[0027] The cooking appliance 4 according to the present embodiment also has, in a particularly advantageous manner, a height adjustment device 24 for aligning the muffle front side 8 of the cooking appliance muffle 6 to the housing front side 10 of the housing 4, wherein the height adjustment device 24 and the movable bearing 12 are arranged in a Fig. 1 illustrated aligned state of the cooking appliance 2 are designed to interact functionally with one another.

[0028] The height adjustment device 24 and the movable bearing 12 are designed to be coordinated with one another in such a way that the housing front 10 and the muffle front 8, in the aligned state of the cooking appliance 2, each form an angle of substantially 90° to a mounting surface (not shown) of the cooking appliance 2, wherein the muffle front 8 and the housing front 10 extend substantially parallel to one another. As can be seen from the Fig. 1 As can be seen, the height adjustment device 24 in the present embodiment is at least partially, namely completely, combined with the loose bearing 12 to form a single structural unit 26.

[0029] The height adjustment device 24 and the movable bearing 12 are further designed to be coordinated with one another in such a way that in a first step the aforementioned alignment can be carried out and in a subsequent second step the height adjustment device 24 can be adjusted in such a way that Fig. 1 apparent height adjustment device setting position, that the floating bearing 12 by means of the height adjustment device 24 in a direction corresponding to the aforementioned orientation and also in the Fig. 1 shown height position can be locked. In the present embodiment, the above-mentioned alignment can be carried out, for example, by means of the height adjustment device 24 itself. For this purpose, the height adjustment device 24 has a threaded bolt 28 with an external thread (not shown) and a total of two threaded bases 30, 32 corresponding to this threaded bolt 28, each with an internal thread (not shown). The threaded base 30 is here assigned to the floating bearing 12 in a force-transmitting manner, while the threaded base 32 is assigned to the housing 4 in a force-transmitting manner. Advantageously, a handle or a tool interface for rotating the threaded bolt about an angle located in the image plane of the Fig. 1 The above-mentioned handle and the above-mentioned tool interface are arranged in the Fig. 1 and 2not shown. Depending on the direction of rotation of the threaded bolt 28 about the rotation axis during the aforementioned alignment of the muffle front side 8 of the cooking appliance muffle 6 to the housing front side 10 of the housing 4, the two threaded bases 30, 32 approach each other or the threaded bases 30, 32 move away from each other. In the first case, the floating bearing 12 and thus the cooking appliance muffle 6 held thereon lowers in the area of ​​the muffle rear side 14 in the image plane of the Fig. 1 from top to bottom; in the second case, the loose bearing 12 and thus the cooking appliance muffle 6 held thereon in the area of ​​the muffle rear side 14 in the image plane of the Fig. 1 raised from bottom to top. In this way, the cooking appliance muffle 6, namely its muffle front side 8, can be aligned as desired relative to the housing 4, namely its housing front side 10.

[0030] In this way, by means of the structural unit 26, namely the height adjustment device 24 and the loose bearing 12 interacting therewith, in addition to the mounting of the cooking appliance muffle 6 on the housing 4, an alignment of the muffle front side 8 to the housing front side 10 and a locking of the cooking appliance muffle 6 relative to the housing 4 in this aligned state of the cooking appliance 2 is made possible in a very simple manner in terms of construction and manufacturing technology.

[0031] However, the cooking appliance according to the invention is not limited to the present embodiment.

[0032] See the relevant statements on the alternative or optional features of the invention in the introduction to the description as well as in the description of the specific embodiment.

[0033] Accordingly, the invention can also be advantageously applied to other types of cooking appliances.

[0034] In contrast to the present exemplary embodiment, in other embodiments of the cooking appliance according to the invention, it can be provided, for example, that the height adjustment device and the aforementioned movable bearing are designed to be coordinated with one another in such a way that the cooking appliance can be clamped into an alignment device for the purpose of the aforementioned alignment and the height adjustment device can be automatically transferred by means of the alignment device into a height adjustment device setting position corresponding to this alignment and can be locked in this height adjustment device setting position by means of the aforementioned movable bearing in such a way that the aforementioned alignment is retained even after the cooking appliance has been removed from the alignment device.

[0035] Of course, the invention is not tied to the concrete structural and manufacturing engineering designs of the present embodiment.

[0036] For example, it is conceivable that the height adjustment device and the further bearing designed as only a single loose bearing are designed as a single structural unit, independent of the technology set out in particular in claims 6 to 8 for aligning the cooking appliance, i.e. for the desired alignment of the muffle front side of the cooking appliance muffle to the housing front side of the housing.

[0037] Furthermore, it can be provided that the additional bearing, designed as a single floating bearing, has a bearing ball and a correspondingly designed bearing ball receptacle instead of a bearing pin and a correspondingly designed bearing pin receptacle. The term "bearing ball" also includes a bearing ball designed only as a partial sphere. This is the case, for example, in order to connect the bearing ball with a non-spherical part of the bearing ball to the cooking appliance muffle in a force-transmitting manner. The possibility of the bearing ball or bearing pin being arranged on the housing and the corresponding bearing ball receptacle or bearing pin receptacle being arranged on the cooking appliance muffle in alternative embodiments has already been mentioned above.

Claims

1. Cooking appliance (2) with a cooking appliance width, a cooking appliance height and a cooking appliance depth, comprising a housing (4) with a cooking appliance muffle (6) of the cooking appliance (2) arranged in the housing (4) to form a cooking chamber, wherein the cooking appliance muffle (6) is fastened by a muffle front side (8) of the cooking appliance muffle (6) to a housing front side (10) of the housing (4), and the cooking appliance (2) has at least one further bearing for fastening the cooking appliance muffle (6) to the housing (4) spaced from the muffle front side (8) along a depth dimension of the cooking appliance (2) running parallel to the cooking appliance depth, wherein the at least one further bearing is designed as only a single loose bearing (12), wherein this loose bearing (12) is designed and arranged such thatthat in a non-use state of the cooking appliance (2) and in any use state of the cooking appliance (2), a movement of the cooking appliance muffle (6) relative to the housing (4) along the depth dimension of the cooking appliance (2) is possible by means of this loose bearing (12), , characterized in thatthe cooking appliance (2) has a height adjustment device (24) for aligning the muffle front side (8) of the cooking appliance muffle (6) with the housing front side (10) of the housing (4), wherein the height adjustment device (24) and the aforementioned movable bearing (12) are designed to functionally interact with one another for the purpose of maintaining the aforementioned alignment in an aligned state of the cooking appliance (2) in such a way that A) the cooking appliance (2) can be clamped into an alignment device for the purpose of the aforementioned alignment and the height adjustment device (24) can be automatically transferred by means of the alignment device into a height adjustment device setting position corresponding to this alignment and can be locked in this height adjustment device setting position by means of the movable bearing (12) in such a way that the aforementioned alignment is maintained even after the cooking appliance (2) has been removed from the alignment device,and / or B) in a first step, the aforementioned alignment can be carried out, and in a subsequent second step, the height adjustment device (24) can be transferred into a height adjustment device setting position such that the movable bearing (12) can be locked by means of the height adjustment device (24) in a height position corresponding to the aforementioned alignment. Cooking appliance (2) according to claim 1, wherein the aforementioned movable bearing (12) is designed and arranged such that, in the non-use state of the cooking appliance (2) and in each of the use states of the cooking appliance (2), this movable bearing (12) enables movement of the cooking appliance muffle (6) relative to the housing (4) along a width dimension of the cooking appliance (2) running parallel to the cooking appliance width and / or along a height dimension of the cooking appliance (2) running parallel to the cooking appliance height.

2. Cooking appliance (2) according to claim 1 or 2, wherein the aforementioned loose bearing (12) is arranged in a region of the cooking appliance muffle (6) which faces a muffle rear side (14) of the cooking appliance muffle (6) arranged opposite the muffle front side (8), preferably that the aforementioned loose bearing (12) is arranged on the muffle rear side (14), particularly preferably that the aforementioned loose bearing (12) is arranged substantially centrally on the muffle rear side (14) with respect to a muffle width of the cooking appliance muffle (6) running parallel to the cooking appliance width.

3. Cooking appliance (2) according to one of the preceding claims, wherein the aforementioned loose bearing (12) has a bearing ball arranged on the cooking appliance muffle or a bearing pin (16) arranged on the cooking appliance muffle (6), wherein the bearing ball or the bearing pin (16) is movably mounted in a bearing ball receptacle or bearing pin receptacle (18) correspondingly designed and arranged on the housing (4).

4. Cooking appliance (2) according to one of the preceding claims, wherein the height adjustment device (24) and the aforementioned loose bearing (12) are designed to be coordinated with one another in such a way that the housing front side (10) and the muffle front side (8) in the aligned state of the cooking appliance (2) each assume an angle of substantially 90° to a mounting surface of the cooking appliance (2), wherein the muffle front side (8) and the housing front side (10) run substantially parallel to one another.

5. Cooking appliance (2) according to one of the preceding claims, wherein the height adjustment device (24) is at least partially, preferably completely, combined with the aforementioned loose bearing (12) to form a single structural unit (26).

6. Cooking appliance (2) according to one of the preceding claims, wherein the height adjustment device (24) has a threaded bolt (28) with an external thread and at least one threaded base (30, 32) corresponding to this threaded bolt (28) with an internal thread, preferably that a handle or a tool interface for rotating the threaded bolt (28) about a rotation axis of the threaded bolt (28) is arranged on the threaded bolt (28).

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