EP3404181A1 - Door hinge system for an oven door of a cooking oven - Google Patents

Door hinge system for an oven door of a cooking oven Download PDF

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Publication number
EP3404181A1
EP3404181A1 EP17171984.2A EP17171984A EP3404181A1 EP 3404181 A1 EP3404181 A1 EP 3404181A1 EP 17171984 A EP17171984 A EP 17171984A EP 3404181 A1 EP3404181 A1 EP 3404181A1
Authority
EP
European Patent Office
Prior art keywords
door
oven
pin
hinge system
pin hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17171984.2A
Other languages
German (de)
French (fr)
Other versions
EP3404181B1 (en
Inventor
Branko Ivanovic
Dietmar Hildner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electrolux Appliances AB
Original Assignee
Electrolux Appliances AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electrolux Appliances AB filed Critical Electrolux Appliances AB
Priority to EP17171984.2A priority Critical patent/EP3404181B1/en
Publication of EP3404181A1 publication Critical patent/EP3404181A1/en
Application granted granted Critical
Publication of EP3404181B1 publication Critical patent/EP3404181B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • E05D7/12—Hinges or pivots of special construction to allow easy detachment of the hinge from the wing or the frame
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/023—Mounting of doors, e.g. hinges, counterbalancing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/04—Doors specially adapted for stoves or ranges with transparent panels
    • F24C15/045—Doors specially adapted for stoves or ranges with transparent panels being dismountable, e.g. giving access for cleaning
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/308—Application of doors, windows, wings or fittings thereof for domestic appliances for ovens

Definitions

  • the present invention relates to a door hinge system for an oven door of a cooking oven. Further, the present invention relates to an oven door with a door hinge system. In particular, the present invention relates to a drop-down oven door with a door hinge system. Moreover, the present invention relates to a cooking oven.
  • An oven door, in particular a drop-down oven door, of a cooking oven is attached at an oven chassis by at least two door hinge systems.
  • Each door hinge system comprises a stationary hinge part and a moveable hinge part, wherein the moveable hinge part is pivoting at the stationary hinge part.
  • the stationary hinge part is inserted in or attached at the oven chassis of the cooking oven, while the moveable hinge part is inserted in a door column of the oven door.
  • the oven door is releasable from the moveable hinge part by a user in order to clean the over door.
  • the object is achieved by a door hinge system for an oven door of a cooking oven according to claim 1.
  • a door hinge system for an oven door of a cooking oven wherein:
  • the saddle bracket provides a reliable connection between the moveable hinge part and the oven door.
  • the saddle bracket is pivoting at the moveable hinge part between a locked state and an unlocked state by a user.
  • the saddle bracket avoids an inadvertently releasing of the oven door from the cooking oven.
  • the saddle bracket includes a hook engageable with the door column of the oven door in the locked state of said saddle bracket.
  • the saddle bracket may secure the door hinge system in a half open state, when said saddle bracket is in the unlocked state.
  • the oven door may be secured in said half open state.
  • the door hinge system comprises at least one safety pin for penetrating a pin hole formed in the moveable hinge part and a pin hole formed in the door column of the oven door.
  • a further pin hole formed in the door column is penetrated or penetrable by the safety pin.
  • the safety pin is a stepped pin including a section with a bigger diameter and a further section with a smaller diameter.
  • the safety pin is a stepped set screw including a section with a bigger diameter and a further section with a smaller diameter, wherein preferably the pin hole formed in the moveable hinge part includes a core thread.
  • the bigger diameter of the stepped pin corresponds with the diameter of the pin hole in the door column of the oven door, while the smaller diameter of the stepped pin corresponds with the diameter of the pin hole in the moveable hinge part.
  • the present invention relates to an oven door with a door hinge system, wherein said oven door comprises or corresponds with at least two door hinge systems mentioned above.
  • the oven door comprises at least two door columns for receiving the moveable hinge parts of at least two door hinge systems.
  • the oven door may comprise an outer door panel attached at outer sides of the at least two door columns, wherein preferably said outer door panel is permanently attached at the outer sides of the at least two door columns.
  • the oven door may comprise an inner door panel attached at inner sides of the at least two door columns, wherein preferably said inner door panel is releasable at the outer sides of the at least two door columns.
  • the oven door may comprise at least one intermediate door panel arranged between the inner door panel and the outer door panel, wherein said intermediate door panel is removable by sliding between the two door columns, and wherein preferably said intermediate door panel is covered by a releasable top cover element.
  • the door column includes at least one pin hole for receiving the safety pin, wherein preferably the diameter of said pin hole corresponds with the bigger diameter of the stepped pin.
  • the door column includes at least one further pin hole for receiving the safety pin, wherein preferably the diameter of said further pin hole corresponds with the smaller diameter of the stepped pin.
  • the present invention relates to a cooking oven, wherein the cooking oven comprises the door hinge system and/or the oven door mentioned above.
  • the cooking oven is a microwave oven or a cooking oven with microwave heating function.
  • the cooking oven may comprise a power supply cable running from the oven door to a chassis of said cooking oven.
  • FIG 1 illustrates a schematic exploded perspective view of a door hinge system 10 for an oven door 20 of a cooking oven according to a preferred embodiment of the present invention.
  • the cooking oven is a microwave oven or an oven with microwave heating function.
  • the oven door 20 is a drop-down oven door.
  • the door hinge system 10 comprises a stationary hinge part 12 and a moveable hinge part 14 connected to each other.
  • the moveable hinge part 14 is pivoting at the stationary hinge part 12.
  • the stationary hinge part 12 is inserted in or attached at an oven chassis 30 of the cooking oven, while the moveable hinge part 14 is insertable into a door column 22 of the oven door 20.
  • the moveable hinge part 14 is elongated and ex-open state of the oven door 20 the moveable hinge part 14 extends substantially along a horizontal direction.
  • the cooking oven comprises the oven chassis 30, an oven cavity 32, a front frame 34 and a gasket 36.
  • the front frame 34 and the gasket 36 enclose an opening of the oven cavity 32.
  • the oven door 20 comprises an outer door panel 24 and an inner door panel 26.
  • the terms “outer” and “inner” relates to the cooking oven, when the oven door 20 is in the closed state.
  • the outer door panel 24 is attached at an outer side of the door column 22, while the inner door panel 26 is attached at an inner side of said door column 22.
  • the oven door 20 comprises two parallel door columns 22, wherein one moveable hinge part 14 is insertable into each door column 22 of the oven door 20.
  • the oven door 20 comprises two intermediate door panels arranged between the outer door panel 24 and inner door panel 26 on the one hand and between the door columns 22 on the other hand.
  • the outer door panel 24, the inner door panel 26 and the intermediate door panels 28 are arranged plane-parallel to each other.
  • the door hinge system 10 comprises a saddle bracket 16.
  • Said saddle bracket 16 is attached at the moveable hinge part 14 of the door hinge system 10.
  • the saddle bracket 16 is pivoting at the moveable hinge part 14.
  • the saddle bracket 16 includes a hook 38 engageable with a counterpart formed inside the door column 22.
  • the saddle bracket 16 is pivoting between a locked and an unlocked position. When the moveable hinge part 14 has been inserted into the door column 22, then the saddle bracket 16 may be turned into the locked position. When the saddle bracket 16 is in the locked position, then the door column 22 cannot be removed from the moveable hinge part 14.
  • the saddle bracket 16 allows that the oven door 20 is reliably fastened at the moveable hinge part 14.
  • the saddle bracket 16 has to be turned into the unlocked position. In the unlocked position the hook 38 is disengaged from the door column 22, so that the oven door 20 can be moved away from the door hinge system 10. Then, the oven door 20 may be cleaned and assembled again to the door hinge system 10.
  • Another function of the saddle bracket 16 in the unlocked position is that the oven door 20 is secured in a half open state. In that half open state of the oven door 20 components of said oven door 20 may be removed by the user.
  • the door hinge system 10 comprises a safety pin 18.
  • Said safety pin 18 is insertable into a first pin hole 40 and a second pin hole 42.
  • the door column 22 may comprise a third pin hole 43.
  • the first pin hole 40 and the third pin hole 43 are formed in the door column 22 of the oven door 20, while the second pin hole 42 is formed in the moveable hinge part 14 of the door hinge system 10.
  • the safety pin 18 is formed as a stepped pin 18.
  • Said stepped pin 18 includes a section having a smaller diameter and a section having a bigger diameter.
  • the bigger diameter of the stepped pin 18 corresponds with the diameter of the first pin hole 40 in the door column 22.
  • the smaller diameter of the stepped pin 18 corresponds with the diameter of the second pin hole 42 in the moveable hinge part 14 as well as the third pin hole 43 which can be formed in the door column 22.
  • the main function of the third pin hole 43 is to allow a disassembling of the oven door 20 and the door column 22 from the moveable hinge part 14, e.g. for service purposes.
  • the safety pin 18 can be pushed outwards from the inner side of the oven door 20 or the door column 22, e.g. by the service staff, so that the pin 18 is pushed out of the pin holes 40, 42 and 43.
  • the saddle bracket 16 with its hook 38 can be pivoted into the unlocked position, and the oven door 20 and the door column 22 can be pulled out of the moveable hinge part 14.
  • the door hinge system 10 may comprise a stepped set screw instead of the stepped pin 18.
  • the second pin hole 42 in the moveable hinge part 14 may include a core thread.
  • the door hinge system 10 with the stepped set screw is advantageous for an oven door 20 of a microwave oven. The stepped set screw allows an exact connection between the oven door 20 and the door hinge system 10.
  • FIG 2 illustrates a schematic perspective view of the door hinge system 10 for the oven door 20 of the cooking oven according to the preferred embodiment of the present invention.
  • the oven door 20 is fastened at the cooking oven by the door hinge system 10.
  • the moveable hinge part 14 of the door hinge system 10 is inserted in the door column 22 of the oven door 20.
  • the hook 38 of the saddle bracket 16 is engaged with the counterpart formed inside the door column 22.
  • the saddle bracket 16 is in the locked position.
  • the safety pin 18 penetrates the first pin hole 40 and the third pin hole 43 in the door column 22 and the second pin hole 42 in the moveable hinge part 14.
  • FIG 3 illustrates a schematic sectional top view of the door hinge system 10 for the oven door 20 of the cooking oven according to the preferred embodiment of the present invention.
  • the door hinge system 10 comprises the stationary hinge part 12 and the moveable hinge part 14 connected to each other, wherein the moveable hinge part 14 is pivoting at the stationary hinge part 12.
  • the stationary hinge part 12 is inserted in and attached at the oven chassis 30 of the cooking oven, while the moveable hinge part 14 is inserted in the door column 22 of the oven door 20.
  • the oven door 20 comprises the outer door panel 24, the inner door panel 26 and the both intermediate door panels 28.
  • the outer door panel 24 is attached at the outer side of the door column 22, while the inner door panel 26 is attached at the inner side of said door column 22.
  • the intermediate door panels are arranged between the outer door panel 24 and inner door panel 26.
  • the outer door panel 24, the inner door panel 26 and the intermediate door panels 28 are arranged plane-parallel to each other.
  • the safety pin 18 is inserted in the first pin hole 40 formed in the door column 22 of the oven door 20 and in the second pin hole 42 formed in the moveable hinge part 14 of the door hinge system 10 and the third pin hole 43 formed in the door column 22.
  • the safety pin 18 is formed as the stepped pin 18.
  • Said stepped pin 18 includes the section having the smaller diameter and the section having the bigger diameter. The bigger diameter of the stepped pin 18 corresponds with the diameter of the first pin hole 40 in the door column 22, while the smaller diameter of the stepped pin 18 corresponds with the diameter of the second pin hole 42 in the moveable hinge part 14 and with the third pin hole 43 in the door column 22.
  • FIG 4 illustrates a schematic perspective view of the oven door 20 at the cooking oven according to the preferred embodiment of the present invention.
  • the oven door 20 is in a half open state. In this half open state the oven door 20 can be cleaned and removed from the oven chassis 30. Further, the inner door panel 26 and the intermediate door panel 28 can be removed from the door columns 22, after a top cover element 48 has been removed from the oven door 20.
  • the oven door 20 comprises two door columns 22 and is fastened at the cooking oven by two door hinge systems 10.
  • the moveable hinge parts 14 of the door hinge systems 10 are inserted in the corresponding door columns 22 of the oven door 20.
  • the outer door panel 24 is attached at the outer side of the door column 22, while the inner door panel 26 is attached at the inner side of said door column 22.
  • the intermediate door panels are arranged between the outer door panel 24 and inner door panel 26.
  • a door handle 44 is attached at an outer side of the outer door panel 24.
  • a power supply cable 46 runs from the oven door to the oven chassis 30.
  • the door hinge system 10 is a relative simple mounting device, which prevents that the oven door 20 is inadvertently detached from the oven chassis 30.
  • the safety pin 18 guarantees an exact position of the oven door 20 in relation to the door hinge system 10 and oven chassis 30.
  • the exact position of the oven door 20 provided a reliable tightness between the oven door 20 and the gasket 36 of the oven cavity 32.
  • the door hinge system 10 of the present invention is suitable for a standard cooking oven as well as for a microwave cooking oven.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Ovens (AREA)

Abstract

The present invention relates to a door hinge system (10) for an oven door (20) of a cooking oven. The door hinge system (10) comprises a stationary hinge part (12) insertable into or attachable at an oven chassis (30) of the cooking oven. The door hinge system (10) comprises an elongated moveable hinge part (14) insertable into or attachable at an oven door (20) of the cooking oven. The moveable hinge part (14) includes at least one saddle bracket (16) engageable with a door column (22) of the oven door (20). The saddle bracket (16) is pivoting at the moveable hinge part (14) between a locked state and an unlocked state. The saddle bracket (16) is engageable with the door column (22) of the oven door (20) in the locked state.

Description

  • The present invention relates to a door hinge system for an oven door of a cooking oven. Further, the present invention relates to an oven door with a door hinge system. In particular, the present invention relates to a drop-down oven door with a door hinge system. Moreover, the present invention relates to a cooking oven.
  • An oven door, in particular a drop-down oven door, of a cooking oven is attached at an oven chassis by at least two door hinge systems. Each door hinge system comprises a stationary hinge part and a moveable hinge part, wherein the moveable hinge part is pivoting at the stationary hinge part. The stationary hinge part is inserted in or attached at the oven chassis of the cooking oven, while the moveable hinge part is inserted in a door column of the oven door. Usually, the oven door is releasable from the moveable hinge part by a user in order to clean the over door.
  • However, there is a danger that the oven door is inadvertently released from the moveable hinge part of the door hinge systems.
  • It is an object of the present invention to provide a door hinge system for an oven door of a cooking oven, which avoids an inadvertently releasing of the oven door from the cooking oven.
  • The object is achieved by a door hinge system for an oven door of a cooking oven according to claim 1.
  • According to the present invention a door hinge system for an oven door of a cooking oven is provided, wherein:
    • the door hinge system comprises a stationary hinge part insertable into or attachable at an oven chassis of the cooking oven,
    • the door hinge system comprises an elongated moveable hinge part insertable into or attachable at an oven door of the cooking oven,
    • the moveable hinge part includes at least one saddle bracket engageable with a door column of the oven door,
    • the saddle bracket is pivoting at the moveable hinge part between a locked state and an unlocked state, and
    • the saddle bracket is engageable with the door column of the oven door in the locked state.
  • The saddle bracket provides a reliable connection between the moveable hinge part and the oven door. The saddle bracket is pivoting at the moveable hinge part between a locked state and an unlocked state by a user. The saddle bracket avoids an inadvertently releasing of the oven door from the cooking oven.
  • For example, the saddle bracket includes a hook engageable with the door column of the oven door in the locked state of said saddle bracket.
  • Further, the saddle bracket may secure the door hinge system in a half open state, when said saddle bracket is in the unlocked state. Thus, the oven door may be secured in said half open state.
  • In particular, the door hinge system comprises at least one safety pin for penetrating a pin hole formed in the moveable hinge part and a pin hole formed in the door column of the oven door. Preferably, a further pin hole formed in the door column is penetrated or penetrable by the safety pin.
  • For example, the safety pin is a stepped pin including a section with a bigger diameter and a further section with a smaller diameter.
  • Alternatively, the safety pin is a stepped set screw including a section with a bigger diameter and a further section with a smaller diameter, wherein preferably the pin hole formed in the moveable hinge part includes a core thread.
  • Advantageously, the bigger diameter of the stepped pin corresponds with the diameter of the pin hole in the door column of the oven door, while the smaller diameter of the stepped pin corresponds with the diameter of the pin hole in the moveable hinge part.
  • Furthermore, the present invention relates to an oven door with a door hinge system, wherein said oven door comprises or corresponds with at least two door hinge systems mentioned above.
  • In particular, the oven door comprises at least two door columns for receiving the moveable hinge parts of at least two door hinge systems.
  • Further, the oven door may comprise an outer door panel attached at outer sides of the at least two door columns, wherein preferably said outer door panel is permanently attached at the outer sides of the at least two door columns.
  • Moreover, the oven door may comprise an inner door panel attached at inner sides of the at least two door columns, wherein preferably said inner door panel is releasable at the outer sides of the at least two door columns.
  • Additionally, the oven door may comprise at least one intermediate door panel arranged between the inner door panel and the outer door panel, wherein said intermediate door panel is removable by sliding between the two door columns, and wherein preferably said intermediate door panel is covered by a releasable top cover element.
  • In particular, the door column includes at least one pin hole for receiving the safety pin, wherein preferably the diameter of said pin hole corresponds with the bigger diameter of the stepped pin.
  • Additionally, the door column includes at least one further pin hole for receiving the safety pin, wherein preferably the diameter of said further pin hole corresponds with the smaller diameter of the stepped pin.
  • Further, the present invention relates to a cooking oven, wherein the cooking oven comprises the door hinge system and/or the oven door mentioned above.
  • For example, the cooking oven is a microwave oven or a cooking oven with microwave heating function.
  • At last, the cooking oven may comprise a power supply cable running from the oven door to a chassis of said cooking oven.
  • Novel and inventive features of the present invention are set forth in the appended claims.
  • The present invention will be described in further detail with reference to the drawings, in which
    • FIG 1
    illustrates a schematic exploded perspective view of a door hinge system for an oven door of a cooking oven according to a preferred embodiment of the present invention,
    FIG 2
    illustrates a schematic perspective view of the door hinge system for the oven door of the cooking oven according to the preferred embodiment of the present invention,
    FIG 3
    illustrates a schematic sectional top view of the door hinge system for the oven door of the cooking oven according to the preferred embodiment of the present invention, and
    FIG 4
    illustrates a schematic perspective view of the oven door at the cooking oven according to the preferred embodiment of the present invention.
  • FIG 1 illustrates a schematic exploded perspective view of a door hinge system 10 for an oven door 20 of a cooking oven according to a preferred embodiment of the present invention. In particular, the cooking oven is a microwave oven or an oven with microwave heating function. In this example, the oven door 20 is a drop-down oven door.
  • The door hinge system 10 comprises a stationary hinge part 12 and a moveable hinge part 14 connected to each other. The moveable hinge part 14 is pivoting at the stationary hinge part 12. The stationary hinge part 12 is inserted in or attached at an oven chassis 30 of the cooking oven, while the moveable hinge part 14 is insertable into a door column 22 of the oven door 20. In this example, the moveable hinge part 14 is elongated and ex-open state of the oven door 20 the moveable hinge part 14 extends substantially along a horizontal direction.
  • The cooking oven comprises the oven chassis 30, an oven cavity 32, a front frame 34 and a gasket 36. The front frame 34 and the gasket 36 enclose an opening of the oven cavity 32.
  • The oven door 20 comprises an outer door panel 24 and an inner door panel 26. The terms "outer" and "inner" relates to the cooking oven, when the oven door 20 is in the closed state. The outer door panel 24 is attached at an outer side of the door column 22, while the inner door panel 26 is attached at an inner side of said door column 22. Preferably, the oven door 20 comprises two parallel door columns 22, wherein one moveable hinge part 14 is insertable into each door column 22 of the oven door 20. In this example, the oven door 20 comprises two intermediate door panels arranged between the outer door panel 24 and inner door panel 26 on the one hand and between the door columns 22 on the other hand. The outer door panel 24, the inner door panel 26 and the intermediate door panels 28 are arranged plane-parallel to each other.
  • Further, the door hinge system 10 comprises a saddle bracket 16. Said saddle bracket 16 is attached at the moveable hinge part 14 of the door hinge system 10. The saddle bracket 16 is pivoting at the moveable hinge part 14. The saddle bracket 16 includes a hook 38 engageable with a counterpart formed inside the door column 22. The saddle bracket 16 is pivoting between a locked and an unlocked position. When the moveable hinge part 14 has been inserted into the door column 22, then the saddle bracket 16 may be turned into the locked position. When the saddle bracket 16 is in the locked position, then the door column 22 cannot be removed from the moveable hinge part 14. The saddle bracket 16 allows that the oven door 20 is reliably fastened at the moveable hinge part 14. If a user wants to detach the oven door 20 from the door hinge system 10, then the saddle bracket 16 has to be turned into the unlocked position. In the unlocked position the hook 38 is disengaged from the door column 22, so that the oven door 20 can be moved away from the door hinge system 10. Then, the oven door 20 may be cleaned and assembled again to the door hinge system 10. Another function of the saddle bracket 16 in the unlocked position is that the oven door 20 is secured in a half open state. In that half open state of the oven door 20 components of said oven door 20 may be removed by the user.
  • Moreover, the door hinge system 10 comprises a safety pin 18. Said safety pin 18 is insertable into a first pin hole 40 and a second pin hole 42. The door column 22 may comprise a third pin hole 43. The first pin hole 40 and the third pin hole 43 are formed in the door column 22 of the oven door 20, while the second pin hole 42 is formed in the moveable hinge part 14 of the door hinge system 10.
  • Preferably, the safety pin 18 is formed as a stepped pin 18. Said stepped pin 18 includes a section having a smaller diameter and a section having a bigger diameter. The bigger diameter of the stepped pin 18 corresponds with the diameter of the first pin hole 40 in the door column 22. The smaller diameter of the stepped pin 18 corresponds with the diameter of the second pin hole 42 in the moveable hinge part 14 as well as the third pin hole 43 which can be formed in the door column 22.
  • The main function of the third pin hole 43 is to allow a disassembling of the oven door 20 and the door column 22 from the moveable hinge part 14, e.g. for service purposes. The safety pin 18 can be pushed outwards from the inner side of the oven door 20 or the door column 22, e.g. by the service staff, so that the pin 18 is pushed out of the pin holes 40, 42 and 43. Then, the saddle bracket 16 with its hook 38 can be pivoted into the unlocked position, and the oven door 20 and the door column 22 can be pulled out of the moveable hinge part 14.
  • Alternatively, the door hinge system 10 may comprise a stepped set screw instead of the stepped pin 18. In this case, the second pin hole 42 in the moveable hinge part 14 may include a core thread. In particular, the door hinge system 10 with the stepped set screw is advantageous for an oven door 20 of a microwave oven. The stepped set screw allows an exact connection between the oven door 20 and the door hinge system 10.
  • FIG 2 illustrates a schematic perspective view of the door hinge system 10 for the oven door 20 of the cooking oven according to the preferred embodiment of the present invention.
  • In FIG 2 the oven door 20 is fastened at the cooking oven by the door hinge system 10. The moveable hinge part 14 of the door hinge system 10 is inserted in the door column 22 of the oven door 20. The hook 38 of the saddle bracket 16 is engaged with the counterpart formed inside the door column 22. The saddle bracket 16 is in the locked position. The safety pin 18 penetrates the first pin hole 40 and the third pin hole 43 in the door column 22 and the second pin hole 42 in the moveable hinge part 14.
  • FIG 3 illustrates a schematic sectional top view of the door hinge system 10 for the oven door 20 of the cooking oven according to the preferred embodiment of the present invention.
  • The door hinge system 10 comprises the stationary hinge part 12 and the moveable hinge part 14 connected to each other, wherein the moveable hinge part 14 is pivoting at the stationary hinge part 12. The stationary hinge part 12 is inserted in and attached at the oven chassis 30 of the cooking oven, while the moveable hinge part 14 is inserted in the door column 22 of the oven door 20.
  • The oven door 20 comprises the outer door panel 24, the inner door panel 26 and the both intermediate door panels 28. The outer door panel 24 is attached at the outer side of the door column 22, while the inner door panel 26 is attached at the inner side of said door column 22. The intermediate door panels are arranged between the outer door panel 24 and inner door panel 26. The outer door panel 24, the inner door panel 26 and the intermediate door panels 28 are arranged plane-parallel to each other.
  • The safety pin 18 is inserted in the first pin hole 40 formed in the door column 22 of the oven door 20 and in the second pin hole 42 formed in the moveable hinge part 14 of the door hinge system 10 and the third pin hole 43 formed in the door column 22. In this example, the safety pin 18 is formed as the stepped pin 18. Said stepped pin 18 includes the section having the smaller diameter and the section having the bigger diameter. The bigger diameter of the stepped pin 18 corresponds with the diameter of the first pin hole 40 in the door column 22, while the smaller diameter of the stepped pin 18 corresponds with the diameter of the second pin hole 42 in the moveable hinge part 14 and with the third pin hole 43 in the door column 22.
  • FIG 4 illustrates a schematic perspective view of the oven door 20 at the cooking oven according to the preferred embodiment of the present invention. In FIG 4 the oven door 20 is in a half open state. In this half open state the oven door 20 can be cleaned and removed from the oven chassis 30. Further, the inner door panel 26 and the intermediate door panel 28 can be removed from the door columns 22, after a top cover element 48 has been removed from the oven door 20.
  • The oven door 20 comprises two door columns 22 and is fastened at the cooking oven by two door hinge systems 10. The moveable hinge parts 14 of the door hinge systems 10 are inserted in the corresponding door columns 22 of the oven door 20. The outer door panel 24 is attached at the outer side of the door column 22, while the inner door panel 26 is attached at the inner side of said door column 22. The intermediate door panels are arranged between the outer door panel 24 and inner door panel 26. A door handle 44 is attached at an outer side of the outer door panel 24. A power supply cable 46 runs from the oven door to the oven chassis 30.
  • The door hinge system 10 according to the present invention is a relative simple mounting device, which prevents that the oven door 20 is inadvertently detached from the oven chassis 30. The safety pin 18 guarantees an exact position of the oven door 20 in relation to the door hinge system 10 and oven chassis 30. The exact position of the oven door 20 provided a reliable tightness between the oven door 20 and the gasket 36 of the oven cavity 32. The door hinge system 10 of the present invention is suitable for a standard cooking oven as well as for a microwave cooking oven.
  • 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
    • 10
    door hinge system
    12
    stationary hinge part
    14
    moveable hinge part
    16
    saddle bracket
    18
    safety pin, stepped pin
    20
    oven door
    22
    door column
    24
    outer door panel
    26
    inner door panel
    28
    intermediate door panel
    30
    oven chassis
    32
    oven cavity
    34
    front frame
    36
    gasket
    38
    hook
    40
    first pin hole
    42
    second pin hole
    43
    third pin hole
    44
    door handle
    46
    power supply cable
    48
    top cover element

Claims (15)

  1. A door hinge system (10) for an oven door (20) of a cooking oven, wherein:
    - the door hinge system (10) comprises a stationary hinge part (12) insertable into or attachable at an oven chassis (30) of the cooking oven,
    - the door hinge system (10) comprises an elongated moveable hinge part (14) insertable into or attachable at an oven door (20) of the cooking oven,
    - the moveable hinge part (14) includes at least one saddle bracket (16) engageable with a door column (22) of the oven door (20),
    - the saddle bracket (16) is pivoting at the moveable hinge part (14) between a locked state and an unlocked state, and
    - the saddle bracket (16) is engageable with the door column (22) of the oven door (20) in the locked state.
  2. The door hinge system according to claim 1,
    characterised in that
    the saddle bracket (16) includes a hook (38) engageable with the door column (22) of the oven door (20) in the locked state of said saddle bracket (16).
  3. The door hinge system according to claim 1 or 2,
    characterised in that
    the saddle bracket (16) secures the door hinge system (10) in a half open state, when said saddle bracket (16) is in the unlocked state.
  4. The door hinge system according to any one of the preceding claims,
    characterised in that
    the door hinge system (10) comprises at least one safety pin (18) for penetrating a pin hole (42) formed in the moveable hinge part (14) and a pin hole (40) formed in the door column (22) of the oven door (20), wherein preferably a further pin hole (43) formed in the door column (22) is penetrated or penetrable by the safety pin (18).
  5. The door hinge system according to claim 4,
    characterised in that
    the safety pin (18) is a stepped pin including a section with a bigger diameter and a further section with a smaller diameter.
  6. The door hinge system according to claim 4,
    characterised in that
    the safety pin (18) is a stepped set screw including a section with a bigger diameter and a further section with a smaller diameter, wherein preferably the pin hole (42) formed in the moveable hinge part (14) includes a core thread.
  7. The door hinge system according to claim 5 or 6,
    characterised in that
    the bigger diameter of the stepped pin (18) corresponds with the diameter of the pin hole (40) in the door column (22) of the oven door (20), while the smaller diameter of the stepped pin (18) corresponds with the diameter of the pin hole (42) in the moveable hinge part (14).
  8. An oven door (20) for a cooking oven,
    characterised in that
    the oven door (20) comprises or corresponds with at least two door hinge systems (10) according to any one of the preceding claims, wherein preferably the oven door (20) comprises at least two door columns (22) for receiving the moveable hinge parts (14) of at least two door hinge systems (10).
  9. The oven door according to claim 7 or 8,
    characterised in that
    the oven door (20) comprises an outer door panel (24) attached at outer sides of the at least two door columns (22), wherein preferably said outer door panel (24) is permanently attached at the outer sides of the at least two door columns (22).
  10. The oven door according to any one of the claims 7 to 9,
    characterised in that
    the oven door (20) comprises an inner door panel (26) attached at inner sides of the at least two door columns (22), wherein preferably said inner door panel (26) is releasable at the outer sides of the at least two door columns (22).
  11. The oven door according to any one of the claims 8 to 10,
    characterised in that
    the oven door (20) comprises at least one intermediate door panel (28) arranged between the inner door panel (26) and the outer door panel (26), wherein said intermediate door panel (28) is removable by sliding between the two door columns (22), and wherein preferably said intermediate door panel (28) is covered by a releasable top cover element (48).
  12. The oven door according to any one of the claims 8 to 11,
    characterised in that
    the door column (22) includes at least one pin hole (40) for receiving the safety pin (18), wherein preferably the diameter of said pin hole (40) corresponds with the bigger diameter of the stepped pin (18).
  13. The oven door according to claim 12,
    characterised in that
    the door column (22) includes at least one further pin hole (43) for receiving the safety pin (18), wherein preferably the diameter of said further pin hole (43) corresponds with the smaller diameter of the stepped pin (18).
  14. A cooking oven,
    characterised in that
    the cooking oven comprises a door hinge system (10) according to any one of the claims 1 to 7 and/or an oven door (20) according to any one of the claims 8 to 13, wherein preferably the cooking oven is a microwave oven or a cooking oven with microwave heating function.
  15. The cooking oven according to claim 14,
    characterised in that
    the cooking oven comprises a power supply cable (46) running from the oven door (20) to a chassis (30) of said cooking oven.
EP17171984.2A 2017-05-19 2017-05-19 Oven door of a cooking oven with a door hinge system Active EP3404181B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17171984.2A EP3404181B1 (en) 2017-05-19 2017-05-19 Oven door of a cooking oven with a door hinge system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17171984.2A EP3404181B1 (en) 2017-05-19 2017-05-19 Oven door of a cooking oven with a door hinge system

Publications (2)

Publication Number Publication Date
EP3404181A1 true EP3404181A1 (en) 2018-11-21
EP3404181B1 EP3404181B1 (en) 2021-09-01

Family

ID=58738965

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17171984.2A Active EP3404181B1 (en) 2017-05-19 2017-05-19 Oven door of a cooking oven with a door hinge system

Country Status (1)

Country Link
EP (1) EP3404181B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2581259A (en) * 2018-12-20 2020-08-12 Aga Rangemaster Ltd Door

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2786094A (en) * 1950-11-28 1957-03-19 Admiral Corp Hinge cord guard
GB975747A (en) * 1962-11-27 1964-11-18 Bloxvich Lock Stamping Improvements relating to hinged doors and the like
US3503380A (en) * 1968-06-06 1970-03-31 United Filtration Corp Hinges
US4315495A (en) * 1980-11-03 1982-02-16 Magic Chef, Inc. Stabilizer for hinge of removable oven door
WO2016161131A1 (en) * 2015-04-02 2016-10-06 Electrolux Home Products, Inc. Glass oven door with interlocking mechanism

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2786094A (en) * 1950-11-28 1957-03-19 Admiral Corp Hinge cord guard
GB975747A (en) * 1962-11-27 1964-11-18 Bloxvich Lock Stamping Improvements relating to hinged doors and the like
US3503380A (en) * 1968-06-06 1970-03-31 United Filtration Corp Hinges
US4315495A (en) * 1980-11-03 1982-02-16 Magic Chef, Inc. Stabilizer for hinge of removable oven door
WO2016161131A1 (en) * 2015-04-02 2016-10-06 Electrolux Home Products, Inc. Glass oven door with interlocking mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2581259A (en) * 2018-12-20 2020-08-12 Aga Rangemaster Ltd Door
GB2581259B (en) * 2018-12-20 2022-11-16 Aga Rangemaster Ltd Door

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