EP2329198B1

EP2329198B1 - An oven

Info

Publication number: EP2329198B1
Application number: EP09782778.6A
Authority: EP
Inventors: Serdar Turkoz; Onder Fesligil
Original assignee: Arcelik AS
Current assignee: Arcelik AS
Priority date: 2008-09-09
Filing date: 2009-09-08
Publication date: 2015-08-12
Anticipated expiration: 2029-09-08
Also published as: WO2010029083A1; EP2329198A1

Description

The present invention relates to an oven comprising a door having limited number of parts and that can be mounted in an easy and fast way.
Various embodiments have been developed in order to decrease the heat losses in the oven doors and to keep the door under certain temperature values. Fixing elements and connecting methods such as adhering and snap-fit are utilized for disposing panels implemented in decreasing the temperature of the outer panel situated on the door and utilized in designing doors having more than one panel, preferably glass. Using detailed fixing elements for each glass increases both the number of parts and also the assembly time.
In the state of the art European Patent Application No EP1291583 , a bracket providing the intermediate panel disposed between the outer panel and the inner panel to be easily detached from the door is explained.
In this embodiment, a profile is seated into the housing on the bracket. When the bracket fixed on the casing is required to be dismounted from the casing by the maintenance personnel, the outer panel is required to be detached from the casing.
DE 103 36 138 B3 describes a door for an oven. The door comprises an outer panel which faces the outside and an inner panel which faces the inside of the oven. A casing consisting of plate-shaped elements is situated between the outside panel and the inner panel. Intermediate panels are disposed into the casing. For holding these intermediate panels in position with respect to the inner and the outer panel, and also for connecting the plate-shaped elements of the casing to each other, brackets are provided.
EP 1 777 462 A2 equally describes a door for an oven having a casing, to which brackets are to be mounted. The brackets comprise slits for supporting and intermediate panels.
The aim of the present invention is the realization of an oven comprising a door onto which panels can be mounted in an easy and fast way.
The oven realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises a bracket, whereon the intermediate panel, located between the inner panel and the outer panel, is seated and which is mounted from above on a housing located on the corner of the casing. The bracket is mounted on the casing from above. Thus, it can be easily demounted by the maintenance personnel from the casing onto which the outer panel is mounted, when the need arises. Since it is mounted on the casing from above, the outer panel is not required to be detached from the casing.
The bracket comprises two slits that extend along the two walls perpendicular to each other in such a manner that these slits don't join in the corner where the two perpendicular walls intersect and open outwardly in the other corners by diverging from each other. The platform onto which the intermediate panel is seated is located between these two slits.
The door comprises a housing configured in the corner of the casing, on the surface onto which the inner panel seats, in such a manner that it surrounds the corner, on both sides of the corner and also between the two profiles perpendicular to each other, by performing cut-out operation on the profiles that extend in the vertical plane along the corner. The bracket is mounted on this housing.
The profile that enters into the slit when the bracket seats in the housing is surrounded by the bracket wall and the platform. In this situation, the two walls perpendicular to each other and the corner forming the intersection area of the two walls is inside the casing and the platform is outside the casing. Thus, the bracket is mounted in such a manner that it can be mounted on and dismounted from the casing when desired.
The door comprises a recess disposed on the profile that enters into the slit and a protrusion in the form of a detent that seats into the recess by stretching while the bracket is mounted on the housing. Thus, the movement of the bracket is prevented in the vertical plane and also the dismounting of the bracket from the casing is prevented as long as the protrusion isn't removed from the recess.
In another embodiment not claimed herein, support surface of the bracket is in the form of a cavity. Thus, the intermediate panel is supported from both the bottom and also the top by the bracket by means of support surface.
By means of the present invention, the easy removal of the panels from the door and also the easy removal of the bracket from the casing, when desired, are provided.
The oven realized in order to attain the aim of the present invention is illustrated in the attached figures, where:

Figure 1 - is the perspective view of an oven.
Figure 2 - is the front perspective view of a door.
Figure 3 - is the perspective view from above of a bracket.
Figure 4 - is the perspective view from below of the bracket.
Figure 5 - is the front perspective view of the bracket.
Figure 6 - is the lateral perspective view of the bracket.
Figure 7 - is the perspective view of a casing.
Figure 8 - is the perspective view of the door onto which the outer panel, the casing and the bracket are mounted.
Figure 9 - is the perspective view of the door onto which the intermediate panel is mounted.
Figure 10 - is the perspective view of the door onto which the inner panel is mounted.
Figure 11 - is the perspective view from above of a bracket in another embodiment not claimed herein.
Figure 12 - is the view of another embodiment not claimed herein.

The elements illustrated in the figures are numbered as follows:

1. Oven
2. Cooking chamber
3. Door
4. Outer panel
5. Inner panel
6. Intermediate panel
7. Casing
8. Profile
9. Housing
10. Bracket
11. Base
12. Ceiling
13. Wall
14. Platform
15. Slit
16. Recess
17. Protrusion
18. Support member
19. Support surface
20. Stopper

The oven (1) comprises a cooking chamber (2) into which the objects to be cooked are placed, a door (3) that allows access to the cooking chamber (2), an outer panel (4) situated on the door (3) and that forms the surface of the door (3) that contacts the outside, an inner panel (5) forming the surface of the door (3) that contacts the cooking chamber (2), a casing (7) situated between the outer panel (4) and the inner panel (5), on one side of which the outer panel (4) is fixed and on the other side of which the inner panel (5) is fixed in such a manner that the outer (4) and the inner panels (5) are parallel to each other, which has quadrangular profiles (8) and which is formed by joining together the profiles (8) in the U-form and an intermediate panel (6) disposed into the casing (7) in such a manner that it is located between the outer panel (4) and the inner panel (5) (Figure 1 and Figure 2).
The door (3) comprises at least two housings (9) situated on at least two corners where the profiles (8) intersect and one or more brackets (10) mounted on the housing (9) in such a manner that one part of it remains inside the casing (7) and one part of it remains outside the casing, and that extend between the inner panel (5) and the outer panel (4), and onto which the intermediate panel (6) is seated. The part of the bracket (10) inside the casing (7) remains between the profile (8) walls. The part outside the casing (7) is outside the profiles (8). The bracket (10) provides the adjusting of the distance both between the inner panel (5) and the outer panel (4) and also the distance of the intermediate panel (6) to the inner and outer panels (5 and 4). The bracket (10) is mounted on the casing (7) from above, thus it can be easily dismounted from the casing (7) by the maintenance personnel.
The bracket (10) is in the form of prism, having a base (11) onto which the outer panel (4) seats and a ceiling (12) bearing against the inner panel (5) mounted on the casing (7) and the walls (13) joining the base (11) and the ceiling (12). In the preferred embodiment of the present invention, the bracket (10) is in the form of right triangular prism.
The bracket (10) also comprises a stepped platform (14) disposed between the base (11) and the ceiling (12), having a support surface (19) onto which the intermediate panel (6) seats and a stopper (20) perpendicular to this support surface (19) and two slits (15) that extend along the two walls (13) perpendicular to each other, between the base (11) and the ceiling (12), in such a manner that these slits (15) don't join in the corner where the two perpendicular walls (13) intersect but open outwardly in the other corners by diverging from each other. Platform (14) is surrounded by slits (15) from both sides (Figure 3, Figure 4, Figure 5 and Figure 6).
The housing (9) extends to surround the corner, in the corner where the profiles (8) intersect, over the surface onto which the inner panel (5) seats, on both sides of the corner in the horizontal plane. The housing (9) extends between the two profiles (8) perpendicular to each other, along the corner where the two profiles (8) intersect in the vertical plane and is configured by performing cut-out operation on the edges of the casing (7) where the profiles (8) intersect.
In the preferred embodiment of the present invention, the casing (7) is reverse "U"-shaped and the surface area of the outer panel (4) is larger than the area that the casing (7) covers. The inner panel (5) is almost equal to the area that the casing (7) surrounds. The intermediate panel (6) is situated between the profiles (8) forming the casing (7). The casing (7) extends continuously parallel to the three edges of the panels (4, 5 and 6) (Figure 7).
The panels (4, 5 and 6) are mounted on the door (3) as follows. First of all, the casing (7) is fixed on the outer panel (4) preferably by adhering. Two brackets (10) are mounted on the two housings (9) situated on the two upper edges of the casing (7). The bracket (10) is inserted from above into the housing (9) configured on the upper surface of the casing (7) and along the corner of the casing (7) along the corner where the profiles (8) intersect. During this operation, the profiles (8) situated on both sides of the corner enter into the two slits (15) and the base (11) of the bracket (10) bears against the outer panel (4). The profile (8) that enters into the slit (15) when the bracket (10) seats on the housing (9) is surrounded by the bracket (10) wall (13) and the platform (14). In this situation, when the bracket (10) is mounted on the housing (9), the two walls (13) perpendicular to each other and the corner forming the intersection area of the two walls (13) are inside the profiles (8) that form the casing (7) and the platform (14) is outside the casing (7). Thus, the bracket (10) is mounted in such a manner that it can be mounted on and dismounted from the casing (7) when desired (Figure 8).
After the bracket (10) is mounted on the casing (7), the intermediate panel (6) has to be seated in such a manner that it will correspond to the support surface (19) of the platform (14) and is parallel to the outer panel (4) mounted on the casing. In this embodiment, the corner of the intermediate panel (6) is cut in a shape suitable for the stopper (20). The intermediate panel (6) seating on the support surface (19) bears against the stopper (20). Thus, the movement of the intermediate panel (6) in the horizontal plane is prevented. The height of the support surface (19) from the base (11) determines the distance of the intermediate panel (6) to the outer panel (4) (Figure 9).
After the assembly of the intermediate panel (6) is completed, the inner panel (5) is fixed on the casing (7) preferably by adhering. When the inner panel (5) is fixed on the casing (7), it bears against the ceiling (12) of the bracket (10) and the assembly of the panels (4, 5 and 6) on the door (3) is completed. When the assembly of the panels (4, 5 and 6) is completed, the bracket (10) bears at its base (11) against the outer panel (4) and at its ceiling (12) against the inner panel (5) (Figure 10).
In the present invention, the door (3) comprises a recess (16) situated on the part of the profile (8) which enters into the slit (15) and a protrusion (17) each in the form of a detent that seats into the recess (16) by stretching while the bracket (10) is mounted on the housing (9) and which are situated on the walls (13) perpendicular to each other of the bracket (10). When the protrusion (17) seats in the recess (16), the movement of the bracket (10) is prevented in the vertical plane and the dismounting of the bracket (10) from the casing (7) is prevented as long as the protrusion (17) isn't removed from the recess (16).
In another embodiment not claimed herein, the ceiling (12) comprises a support (18) in the form of a protrusion that bears against the inner panel (5).
In another embodiment not claimed herein, the support surface (19) of the bracket (10) is in the form of a cavity. In this embodiment, the intermediate panel (6) is inserted into the support surface (19). Thus, the intermediate panel (6) is supported from both the bottom and also from the top by the bracket (10) by means of support surface (19). In this embodiment of the present invention, while the bracket (10) is fixed on the profile (8) from one of its edges by means of the fixing element, its other edge enters into the profile (8) (Figure 11 and Figure 12). By means of the present invention, the assembly and disassembly of the panels (4, 5 and 6) to the door (3) is facilitated and the easy removal of the bracket (10) from the casing (7) by the maintenance personnel is provided. It is to be understood that the said present invention is not limited to the embodiments disclosed above and an expert in the technique can easily introduce different embodiments. These different embodiments should be considered within the scope of the claims of the present invention, too.

Claims

An oven (1) comprising a cooking chamber (2) into which the objects to be cooked are placed, a door (3) that allows access to the cooking chamber (2), an outer panel (4) situated on the door (3) and that forms the surface of the door (3) that contacts the outside, an inner panel (5) forming the surface of the door (3) that contacts the cooking chamber (2), a casing (7) situated between the outer panel (4) and the inner panel (5), on one side of which the outer panel (4) is secured and on other side of which the inner panel (5) is secured in such a manner that the outer panel (4) and the inner panel (5) are parallel to each other and an intermediate panel (6) disposed into the casing (7) in such a manner that it is situated between the outer panel (4) and the inner panel (5),
wherein the door (3) has
- at least two housings (9) situated on at least two corners where the profiles (8) of casing (7) intersect and

- one or more brackets (10) mounted on the housing (9) in such a manner that one part of it remains inside the casing (7) and one part of it remains outside the casing (7), and that extend between the inner panel (5) and the outer panel (4), and onto which the intermediate panel (6) is seated, wherein
a bracket (10) is in the form of prism and has a base (11) onto which the outer panel (4) seats and a ceiling (12) bearing against the inner panel (5) mounted on the casing (7) and walls (13) joining the base (11) and the ceiling (12), and further comprises a stepped platform (14) disposed between the base (11) and the ceiling (12), having a support surface (19) onto which the intermediate panel (6) seats and a stopper (20) perpendicular to this support surface (19),
wherein said oven comprises a housing (9) which is configured by performing cut-out operation on the edges of the.casing (7) where the profiles (8) intersect and which extends on the corner where the profiles (8) intersect, on both sides of the corner, on the surface where the inner panel (5) seats, in such a manner that it surrounds the corner and which extends along the corner where the two profiles (8) intersect in the vertical plane, between the two profiles (8) that are perpendicular to each other,
and which comprises a recess (16) that is located on the portion of the profile (8) that enters into the slit (15),
characterized by the casing (7) which has quadrangular profiles (8), formed by joining together the profiles (8) in a U-form
and by bracket (10) that comprises two slits (15) extending along the two walls (13) perpendicular to each other, between the base (11) and the ceiling (12) in such a manner that these slits (15) don't join in the corner where the two perpendicular walls (13) intersect but open outwardly in the other corners by diverging from each other and surround the platform (14) from both of its sides, and further characterized by the door (3) comprising a protrusion (17) in the form of a detent that seats into the recess (16) by stretching while the bracket (10) is mounted on the housing (9) and which is disposed on the walls (13) perpendicular to each other of the bracket (10).
An oven (1) as in Claim 1, characterized by the bracket (10) that is in the form of a triangular prism.
An oven (1) as in Claim 1, characterized by the ceiling (12) comprising a support (18) in the form of a protrusion that bears against the inner panel (5).