A door hinge device for an oven cavity of a cooking oven

Description

[0001] The present invention relates to a cooking oven according to the preamble of claim 1.

[0002] The oven cavity is closable by a pivoting oven door arranged at the front side of said oven cavity. Usually the oven door is mounted at the oven cavity by two door hinges. One lever of the door hinge is attached in the sidewall of the oven cavity. Another lever is attached in or at the oven door.

[0003] However, it is laborious, if the oven door has to be removed, since the door hinge is fastened by several fixing elements. Further, the fixing elements are often difficult to access. For example, parts of the oven cavity must be removed in order to dismount the door hinge.

[0004] US 3,327,701 discloses a cooking oven with a door hinge device comprising an oven lever. Said oven lever is removably insertable into a guiding assembly of a holder attached at a side panel of the oven cavity. The oven cavity comprises a door frame with a cut-out. The oven leaver penetrates said cut-out.

[0005] It is an object of the present invention to provide a cooking oven, wherein the proper door hinge is easily removable from the cooking oven.

[0006] The object of the present invention is achieved by the cooking oven according to claim 1.

[0007] According to the present invention the at least one guiding assembly penetrates through said cut-out and comprises at least one screw for fixing the oven lever, wherein said screw is arranged in a front portion of the guiding assembly, and wherein the guiding assembly comprises at least one spring for clamping the oven lever, and wherein said spring is formed as a U-shaped cut-out.

[0008] The core of the present invention is the structure of the holder. Said holder can be permanently fastened at the side panel of the oven cavity on the one hand and can include the door lever of the door hinge on the other hand, wherein the door lever is insertable into and removable from the guiding assembly in an easy way.

[0009] According to a preferred embodiment of the present invention the holder is made of a sheet by folding. The folding of the sheet allows low complexity.

[0010] Preferably, the guiding assembly of the holder has a U-shaped cross-section. The guiding assembly may be an integrated part of the holder.

[0011] According to the present invention the guiding assembly comprises at least one screw for fixing the oven lever. Preferably, the guiding assembly comprises only one screw for fixing the oven lever, which allows a quick installation and removal of the oven door.

[0012] According to the present invention the screw is arranged in a front portion of the guiding assembly. In this case the screw is easily accessible.

[0013] Further, the guiding assembly comprises at least one spring for clamping the oven lever. The oven lever can be fastened by the spring without any further steps.

[0014] Preferably, the spring is arranged in a rear portion of the guiding assembly. According to the present invention the spring is formed as a U-shaped cut-out. This kind of spring can be realized by low cost of materials.

[0015] Further, the guiding assembly comprises at least one fixation flange for keeping the oven lever in its position. In particular, the fixation flange may act perpendicular to the longitudinal axis of the oven lever. Preferably, the fixation flange is arranged in a rear portion of the guiding assembly.

[0016] The present relates further to a cooking oven with at least one oven cavity and at least one oven door for closing said oven cavity, wherein the cooking oven comprises at least one door hinge device as described above.

[0017] According to the present invention the oven cavity comprises a front frame with at least one cut-out, wherein the at least one guiding device and/or the at least one oven lever penetrates through said cut-out.

[0018] Typically, the cooking oven comprises a pair of door hinge devices arranged at the two side panels of the oven cavity.

[0019] Novel and inventive features of the present invention are set forth in the appended claims.

[0020] The present invention will be described in further detail with reference to the accompanied drawings, in which

FIG 1

illustrates a perspective view of a door hinge device for an oven cavity of a cooking oven according to a preferred embodiment of the present invention, and

FIG 2

illustrates a perspective view of the door hinge device attached at a side panel of the oven cavity according to the preferred embodiment of the present invention.

[0021] FIG 1 illustrates a perspective view of a door hinge device for an oven cavity 36 of a cooking oven according to a preferred embodiment of the present invention. The door hinge device comprises a door hinge 10 and a holder 18. In FIG 1 a part of the door hinge 10 is inserted in the holder 18.

[0022] The door hinge 10 includes an oven lever 12 and a door lever 14. The oven lever 12 and the door lever 14 are interconnected by a hinge element 16. The door lever 14 is provided for being fastened at and/or in an oven door. The oven lever 12 is inserted in a guiding assembly 20 of the holder 18. The oven lever 12 is insertable along its longitudinal direction into the guiding assembly 20.

[0023] The guiding assembly 20 of the holder 18 is substantially a channel with a U-shaped cross-section. The oven lever 14 comprises a rectangular cross-section, which is marginally smaller than the cross-section of the guiding assembly 20.

[0024] The holder 18 is made of sheet and comprises four parallel folding edges 22. Thus, the holder 18 comprises five sheet sections 24 and 26. Two outer sheet sections 24 are in the same plane and provided for lying against a side panel 38 at a sidewall of the oven cavity 36. Three inner sheet sections 26 form the U-shaped guiding assembly 20. In particular, the sheet is made of metal.

[0025] The outer sheet sections 24 are folded outwardly from the guiding assembly 20. When the outer sheet sections 24 lie against the side panel 38, then the guiding assembly 20 has a rectangular cross-section being marginally bigger than the cross-section of the oven lever 12.

[0026] In a rear portion of the guiding assembly 20 there is a spring 28 in the upper inner sheet section 26. The spring 28 is formed by a U-shaped cut-out. The spring 28 is provided for clamping the oven lever 12 of the door hinge 10.

[0027] In a central inner sheet section 26 of the guiding assembly 20 there is a fixation flange 30. The fixation flange 30 is also in the rear portion of the guiding assembly 20. The fixation flange 30 keeps the oven lever 12 in its position. The fixation flange 30 acts perpendicularly to the longitudinal axis of the oven lever 12.

[0028] The oven lever 12 of the door hinge 10 is fixed at the holder 18 by a screw 32. After the oven lever 12 has been inserted into the guiding assembly 20 of the holder 18, the only step for fastening the door hinge 10 is the tightening of the screw 32.

[0029] The holder 18 comprises bores 34 in the outer sheet sections 24. By said bores 34 and suitable fixing elements, like screws, the holder 18 can be fastened at the side panel 38 of the oven cavity.

[0030] FIG 2 illustrates a perspective view of the door hinge device attached at the side panel 38 of the oven cavity 36 according to the preferred embodiment of the present invention.

[0031] The holder 18 is attached at the side panel 38 of the oven cavity 36, wherein the outer sheet sections 24 of the holder 18 lie against said side panel 38. In this example, there are screw joints between the outer sheet sections 24 and the side panel 38. The oven cavity 36 comprises a front frame 40. The guiding assembly 20 and the oven lever 12 penetrate the front frame 40 through a cut-out 42 in a lower corner of said front frame 40.

[0032] The door hinge 10 and 10' is shown twice in FIG 2. A representation on the left hand side shows the door hinge 10, wherein the oven lever 12 has been inserted into the guiding assembly 20. Another representation on the right hand side shows the door hinge 10' before being inserted into the guiding assembly 20. The inserting direction is represented by an arrow 44.

[0033] The door hinge device according to the present invention allows a quick installation of an oven door in front of the oven cavity 10. Typically, the oven door comprises two door hinges 10. As a first step the oven levers 12 have to be inserted into the corresponding guiding assemblies 20. As a second step the screws 32 have to be tightened in order to fix the oven levers 12 in the guiding assemblies 20 and at the holder 18.

[0034] Although an illustrative embodiment of the present invention has been described herein with reference to the accompanying drawings, it is to be understood that the present invention is not limited to that precise embodiment, and that various other changes and modifications may be affected therein by one skilled in the art without departing from the scope or spirit of the invention. All such changes and modifications are intended to be included within the scope of the invention as defined by the appended claims.

List of reference numerals

[0035] 

10

door hinge

10'

door hinge

12

oven lever

14

door lever

16

hinge element

18

holder

20

guiding assembly

22

folding edge

24

outer sheet section

26

inner sheet section

28

spring

30

fixation flange

32

screw

34

bore

36

oven cavity

38

side panel

40

front frame

42

cut-out

44

inserting direction

Claims

1. A cooking oven with at least one oven cavity (36) and at least one oven door for closing said oven cavity (36), wherein the cooking oven comprises at least one door hinge device, the door hinge device comprises a door hinge (10), the door hinge (10) includes an oven lever (12) and a door lever (14), the door lever (14) is pivoting at and connected to the oven lever by a hinge element (16), the door lever (14) is attached at and/or in an oven door, the door hinge device comprises a holder (18) attached at a side panel (38) of the oven cavity (36), the oven lever (12) of the door hinge (10) is removably inserted in a guiding assembly (20) of the holder (18), the oven cavity (36) comprises a front frame (40) with at least one cut-out (42), and the at least one oven lever (12) penetrates through said cut-out (42), characterized in that
the front portion of the at least one guiding assembly (20) penetrates through said cut-out (42) and comprises at least one screw (32) for fixing the oven lever (12), wherein said screw (32) is arranged in a front portion of the guiding assembly (20), and wherein the guiding assembly (20) comprises at least one spring (28) for clamping the oven lever (12), and wherein said spring (28) is formed as a U-shaped cut-out.

2. The cooking oven according to claim 1,
characterized in, that
the cooking oven comprises a pair of door hinge devices arranged at the two side panels (38) of the oven cavity (36).

3. The cooking oven according to claim 1 or 2, characterized in, that
the holder (18) is made of a sheet by folding.

4. The cooking oven according to any of the preceding claims,
characterized in, that
the guiding assembly (20) of the holder (18) has a U-shaped cross-section.

5. The cooking oven according to any one of the preceding claims,
characterized in, that
the spring (28) is arranged in a rear portion of the guiding assembly (20).

6. The cooking oven according to any one of the preceding claims,
characterized in, that
the guiding assembly (20) comprises at least one fixation flange (30) for keeping the oven lever (12) in its position.

7. The cooking oven according to claim 6,
characterized in, that
the fixation flange (30) acts perpendicular to the longitudinal axis of the oven lever (12).

8. The cooking oven according to claim 6 or 8, characterized in, that
the fixation flange (30) is arranged in a rear portion of the guiding assembly (20).

Ansprüche

1. Kochofen mit wenigstens einem Garraum (36) und wenigstens einer Ofentür zum Schließen des Garraums (36), wobei der Kochofen wenigstens eine Türscharniervorrichtung umfasst, die Türscharniervorrichtung ein Türscharnier (10) umfasst, das Türscharnier (10) einen Ofenhebel (12) und einen Türhebel (14) umfasst, der Türhebel (14) am Ofenhebel drehbar und mit diesem durch ein Scharnierelement (16) verbunden ist, der Türhebel (14) an und/oder in einer Ofentür befestigt ist, die TiSrscharniervorrichtung einen Halter (18) umfasst, der an einer Seitenplatte (38) des Garraums (36) befestigt ist, der Ofenhebel (12) des Türscharniers (10) entfernbar in eine Führungsanordnung (20) des Halters (18) eingeführt ist, der Garraum (36) einen Frontrahmen (40) mit wenigstens einem Ausschnitt (42) umfasst und der wenigstens eine Ofenhebel (12) den Ausschnitt (42) durchdringt,
dadurch gekennzeichnet, dass
der vordere Abschnitt der wenigstens einen Führungsanordnung (20) den Ausschnitt (42) durchdringt und wenigstens eine Schraube (32) zum Fixieren des Ofenhebels (12) umfasst, wobei die Schraube (32) in einem vorderen Abschnitt der Führungsanordnung (20) angeordnet ist und wobei die Führungsanordnung (20) wenigstens eine Feder (28) zum Festklemmen des Ofenhebels (12) umfasst und wobei die Feder (28) als U-förmiger Ausschnitt ausgeführt ist.

2. Kochofen gemäß Anspruch 1,
dadurch gekennzeichnet, dass
der Kochofen ein Paar Türscharniervorrichtungen umfasst, die an den zwei Seitenplatten (38) des Garraums (36) angeordnet sind.

3. Kochofen gemäß Anspruch 1 oder 2,
dadurch gekennzeichnet, dass
der Halter (18) mittels Faltens aus einem Blech hergestellt ist.

4. Kochofen gemäß einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, dass
die Führungsanordnung (20) des Halters (18) einen U-förmigen Querschnitt aufweist.

5. Kochofen gemäß einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, dass
die Feder (28) in einem hinteren Abschnitt der Führungsanordnung (20) angeordnet ist

6. Kochofen gemäß einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, dass
die Führungsanordnung (20) wenigstens einen Fixierflansch (30) zum Festhalten des Ofenhebels (12) in seiner Position umfasst.

7. Kochofen gemäß Anspruch 6,
dadurch gekennzeichnet, dass
der Fixierflansch (30) senkrecht zur Längsachse des Ofenhebels (12) wirkt.

8. Kochofen gemäß Anspruch 6 oder 8,
dadurch gekennzeichnet, dass
der Fixierflansch (30) in einem hinteren Abschnitt der Führungsanordnung (20) angeordnet ist.

Revendications

1. Four de cuisson avec au moins une cavité de four (36) et au moins une porte de four pour fermer ladite cavité de four (36), où le four de cuisson comprend au moins un dispositif de charnière de porte, le dispositif de charnière de porte comprend une charnière de porte (10), la charnière de porte (10) comprend un levier de four (12) et un levier de porte (14), le levier de porte (14) est pivotant à et connecté au levier de four par un élément de charnière (16), le levier de porte (14) est fixé à et/ou dans une porte de four, le dispositif de charnière de porte comprend un support (18) fixé à un panneau latéral (38) de la cavité de four (36), le levier de four (12) de la charnière de porte (10) est inséré de manière amovible dans un ensemble de guidage (20) du support (18), la cavité de four (36) comprend un cadre avant (40) avec au moins une découpure (42), et le au moins un levier de four (12) passe à travers ladite découpure (42),
caractérisé en ce que
la portion frontale du au moins un ensemble de guidage (20) passe à travers ladite découpure (42) et comprend au moins une vis (32) pour fixer le levier de four (12), où ladite vis (32) est agencée dans une portion frontale de l'ensemble de guidage (20), et où l'ensemble de guidage (20) comprend au moins un ressort (28) pour serrer le levier de four (12), et où ledit ressort (28) est réalisé comme une découpure en forme de U.

2. Four de cuisson selon la revendication 1, caractérisé en ce que
le four de cuisson comprend une paire de dispositifs de charnière de porte agencés aux deux panneaux latéraux (38) de à cavité de four (36).

3. Four de cuisson selon la revendication 1 ou 2, caractérisé en ce que
le support (18) est réalisé en une feuille par pliage.

4. Four de cuisson selon l'une quelconque des revendications précédentes,
caractérisé en ce que
l'ensemble de guidage (20) du support (18) présente une section transversale en forme de U.

5. Four de cuisson selon l'une quelconque des revendications précédentes,
caractérisé en ce que
le ressort (28) est agencé dans une portion arrière de l'ensemble de guidage (20).

6. Four de cuisson selon l'une quelconque des revendications précédentes,
caractérisé en ce que
l'ensemble de guidage (20) comprend au moins une bride de fixation (30) pour maintenir le levier de four (12) dans sa position.

7. Four de cuisson selon la revendication 6, caractérisé en ce que
la bride de fixation (30) agit perpendiculairement à l'axe longitudinal du levier de four (12).

8. Four de cuisson selon la revendication 6 ou 8, caractérisé en ce que
la bride de fixation (30) est agencée dans une portion arrière de l'ensemble de guidage (20).

Drawing