EP2362151A1 - Étagère pour four de cuisson - Google Patents

Étagère pour four de cuisson Download PDF

Info

Publication number
EP2362151A1
EP2362151A1 EP10001744A EP10001744A EP2362151A1 EP 2362151 A1 EP2362151 A1 EP 2362151A1 EP 10001744 A EP10001744 A EP 10001744A EP 10001744 A EP10001744 A EP 10001744A EP 2362151 A1 EP2362151 A1 EP 2362151A1
Authority
EP
European Patent Office
Prior art keywords
shelf
frame
bars
cooking oven
present
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.)
Withdrawn
Application number
EP10001744A
Other languages
German (de)
English (en)
Inventor
Bernd Heisswolf
Markus Model
Markus Junkersfeld
Michael Wittmann
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 Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
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 Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to EP10001744A priority Critical patent/EP2362151A1/fr
Priority to PCT/EP2011/000782 priority patent/WO2011101156A1/fr
Publication of EP2362151A1 publication Critical patent/EP2362151A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F24C15/16—Shelves, racks or trays inside ovens; Supports therefor

Definitions

  • the present invention relates to a shelf for a cooking oven, in particular for a domestic cooking oven, with at least one oven cavity. Further, the present invention relates to a cooking oven, in particular a domestic cooking oven, with at least one shelf.
  • the shelf for a cooking oven requires a sufficient stability and stiffness.
  • said shelf may not tilt more than a maximum angle.
  • IEC-Standard 60-2-6 Ed 5.2 which limits said maximum angle.
  • the shelf is loaded by a weigh of 80 N, then in the withdrawn state the maximum tilt angle is limited to 6°. This requires a sufficient stability and stiffness.
  • US 2009/0071464 A1 discloses a shelf for cooking ovens.
  • the shelf is withdrawable from an oven cavity.
  • the shelf comprises a rectangular frame and a plurality of parallel bars.
  • the bars extend parallel to the motion direction of the shelf.
  • An additional front crossbar is arranged at the front side of the shelf and spaced from a cross member of the frame. Most of the bars extend between the cross members of the frame. Some strengthening bars extend between a rear cross members of the frame and the additional front crossbar.
  • JP 2-282624 A discloses a shelf withdrawable from the oven cavity.
  • the shelf comprises a rectangular frame and a plurality of parallel bars extending parallel to the motion direction of the shelf.
  • Two strengthening crossbars are arranged perpendicular to the bars and within the frame.
  • the shelf withdrawable from the oven cavity.
  • the shelf comprises a frame and a plurality of parallel bars extending parallel to the motion direction of the shelf.
  • the side edges of the frame are arranged at a lower level and the crossbars of the frame are arranged at a higher level.
  • the outer bars are thicker than the other bars.
  • the object of the present invention is achieved by the shelf for a cooking oven according to claim 1.
  • the shelf for a cooking oven in particular for a domestic cooking oven, includes at least one oven cavity, wherein:
  • the core of the present invention is the at least one strengthening extending along the front side of the shelf in combination with the structure of the bars and the frame.
  • the strengthening along the front side allows a sufficient stability and stiffness by low complexity.
  • the shelf comprises a further strengthening extending along a rear side of the shelf.
  • the strengthening along the rear side allows an additional stiffness by low complexity.
  • the first level is a lower level of the shelf and the second level is a higher level of the shelf.
  • the frame extends at the higher level and the central portions of the bars are at the lower level.
  • the frame is rectangular and comprises curved corners.
  • the shelf may be provided without sharp edges.
  • the shelf may comprise at each side at least one outer bar arranged between the plurality of bars and the corresponding side portions of the frame.
  • the outer bar may be attached at lower sides of the curved corners of the frame.
  • the outer bar may comprise at least one downward-facing portion acting as a stopper.
  • the downward-facing portion prevents a falling out or down of the shelf.
  • the strengthening is formed by an additional bar attached at lower sides of at least a part of the end portions of the bars.
  • the additional bar at the front side of the shelf may comprise a handle formed in a central portion of said additional bar.
  • the strengthening is formed by a portion of the frame, wherein said portion comprises a vertically oval cross section.
  • the frame is made of a wire with an oval cross section, so that the front portion of the frame comprise the vertically oval cross section, the side portions of the frame comprise horizontally oval cross sections and the rear portion of the frame comprises a vertically or horizontally oval cross section.
  • the frame is made of a wire with a round cross section, wherein the front portion of the frame comprises a vertically squeezed cross section.
  • the rear portion of the frame comprises the vertically squeezed cross section.
  • the bars, the outer bars, the at least one additional bar and/or the frame are connected by a weld joint.
  • the present invention relates further to a cooking oven, in particular a domestic cooking oven, with at least one shelf as described above.
  • the frame 14 is rectangular and includes four curved corners.
  • the bars 12 are arranged within the frame 14.
  • the end portions of the bars 12 are fastened at the lower sides of the front portion 18 and rear portion 20 of the frame 14.
  • the end portions of the bars 12 are welded at the lower sides of the two opposite parts of the frame 14.
  • the bars 12 are equally spaced from each other.
  • Two outer bars 16 are arranged beside and parallel to the side portions of the frame 14.
  • FIG 2 illustrates a schematic front view of the shelf 10 for the cooking oven according to the first embodiment of the present invention.
  • FIG 2 clarifies that the frame 14 is arranged at a higher level. Central portions of the bars 12 and the outer bars 16 are arranged at a lower level. The both end portions of each bar 12 and each outer bar 16 are S-shaped and form the connection between the higher and lower levels.
  • Two additional bars 22 are arranged at the front portion and rear portion, respectively, of the shelf 10.
  • the additional bars 22 are attached at the S-shaped end portions of the bars 12.
  • the additional bars 22 are welded at the S-shaped end portions of the bars 12.
  • one additional bar 22 is arranged in each case.
  • the front portion of the shelf 10 comprises the additional bar 22.
  • FIG 3 illustrates a schematic perspective view of a part of the shelf 10 for the cooking oven according to the first embodiment of the present invention.
  • FIG 3 clarifies the arrangement of the two additional bars 22 at the S-shaped end portions of the bars 12.
  • the additional bars 22 are attached at the lower sides of the bars 12, i.e. in concave parts of the S-shaped end portions.
  • the outer bars 16 include two downward-facing portions 26 in each case.
  • the side portions of the frame 14 include two upward-facing portions 30 in each case.
  • the downward-facing portions 26 and upward-facing portions 30 may act as stoppers in order to limit the motion of the shelf 10.
  • FIG 4 illustrates a schematic detailed side view of a part of the shelf 10 for the cooking oven according to the first embodiment of the present invention.
  • the detailed side view relates to the front portion of the shelf 10. Further, said detailed side view may also relate to the rear portion of the shelf 10, if the additional bars 22 are attached at the front as well as at the rear portion of the shelf 10.
  • FIG 4 clarifies the geometric relationships of the frame 14, the bars 12, the outer bars 16 and the additional bar 22.
  • the frame 14 and the additional bar 22 have greater thicknesses than the bars 12 and outer bars 16.
  • the ends of the bars 12 are between the additional bar 22 and the front portion of the frame 14.
  • FIG 5 illustrates a schematic top view of the shelf 10 for the cooking oven according to a second embodiment of the present invention.
  • the bars 12, the frame 14 and the outer bars 16 of the second embodiment have the same structure as in the first embodiment.
  • the shelf 10 of the second embodiment comprises one additional bar 22 at its front portion.
  • the additional bar 22 includes a handle 24 in its central portion.
  • the handle 24 is provided for gripping the shelf 10.
  • the handle 24 is formed as a curved central portion of the additional bar 22.
  • FIG 6 illustrates a schematic perspective view of the shelf 10 for the cooking oven according to the second embodiment of the present invention.
  • FIG 6 clarifies the geometric structure of the additional bar 22 with the integrated handle 24.
  • the additional bar 22 with the handle 24 allows an increased stiffness of the shelf 10 on the one hand and provides a gripping element on the other hand.
  • the additional bar 22 with the handle 24 is arranged only at the front portion of the shelf 10.
  • a second additional bar 22 without handle 24 may be arranged at the rear portion of the shelf 10.
  • FIG 7 illustrates a schematic front view of the shelf 10 for the cooking oven according to the second embodiment of the present invention.
  • FIG 7 shows that the handle 24 extends also downwards from the additional bar 22.
  • FIG 8 illustrates a schematic detailed side view of a part of the shelf 10 for the cooking oven according to the second embodiment of the present invention.
  • FIG 8 clarifies that the handle 24 is forward-turned as well as downward-turned from the additional bar 22.
  • FIG 9 illustrates a schematic top view of the shelf 10 for the cooking oven according to a third embodiment of the present invention.
  • the bars 12 and the outer bars 16 of the third embodiment have the same structure as in the first and second embodiments.
  • the shelf 10 comprises a frame 14 with oval cross sections 28 and 32.
  • the frame 14 is made of a wire with said oval cross sections 28 and 32.
  • the frame 14 comprises vertically oval cross sections 28.
  • the frame 14 comprises horizontally oval cross sections 32.
  • the wire with the oval cross section comprises torsions in the corners of the frame 14, wherein the angles of torsions are about 90°.
  • the vertically oval cross sections 28 at the front and rear portions of the frame 14 allow an increased stiffness of the shelf 10.
  • FIG 10 illustrates a schematic perspective view of the shelf 10 for the cooking oven according to the third embodiment of the present invention.
  • FIG 10 clarifies the arrangement of the vertically oval cross sections 28 at the front and rear portions of the frame 14 and the horizontally oval cross sections 32 at the side portions of the frame 14.
  • FIG 11 illustrates a schematic front view of the shelf 10 for the cooking oven according to the third embodiment of the present invention.
  • the relationship of the major and minor axes of the oval cross sections 28 and 32 are clarified.
  • the major axes is twice as much as the minor axes of the oval cross sections 28 and 32.
  • other relationship of the major and minor axes of the oval cross sections 28 and 32 are possible according to the present invention.
  • FIG 12 illustrates a schematic side view of the shelf 10 for the cooking oven according to the third embodiment of the present invention.
  • FIG 12 also shows the relationship of the major and minor axes of the oval cross sections 28 and 32.
  • FIG 13 illustrates a schematic detailed partially perspective view of the shelf 10 for the cooking oven according to the third embodiment of the present invention.
  • One corner of the shelf 10 is shown laterally from the bottom.
  • the portion of a corner with the vertically oval cross section 28 and the neighbouring horizontally oval cross section 32 is shown.
  • FIG 14 illustrates a schematic top view of the shelf 10 for the cooking oven according to a fourth embodiment of the present invention.
  • the bars 12 and the outer bars 16 of the fourth embodiment have the same structure as in the former embodiments.
  • the frame 14 is made of a wire having a round cross section.
  • the frame 14 comprises a vertically squeezed portion 34. Said vertically squeezed portion 34 allows an increased stiffness of the shelf 10.
  • FIG 15 illustrates a schematic perspective view of the shelf 10 for the cooking oven according to the fourth embodiment of the present invention.
  • FIG 15 clarifies the structure of the shelf 10 with the vertically squeezed portion 34.
  • the front side 18 of the shelf 10 comprises the vertically squeezed portion 34.
  • the front side 18 as well as the rear side 20 of the shelf 10 may comprise the vertically squeezed portion 34 in each case.
  • FIG 16 illustrates a schematic detailed side view of a part of the shelf 10 for the cooking oven according to the fourth embodiment of the present invention.
  • the vertically squeezed portion 34 of the frame 14 comprises an oval cross section.
  • FIG 17 illustrates a schematic detailed front view of a part of the shelf 10 for the cooking oven according to the fourth embodiment of the present invention.
  • the vertical diameter of the squeezed portion 34 is one and half time thicker than the vertical diameter of the other portions of the frame 14.
  • FIG 18 illustrates a schematic detailed top view of a corner of the shelf 10 for the cooking oven according to the fourth embodiment of the present invention.
  • the horizontal diameter of the squeezed portion 34 has about the half thickness of the horizontal diameter of the other portions of the frame 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)
EP10001744A 2010-02-20 2010-02-20 Étagère pour four de cuisson Withdrawn EP2362151A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP10001744A EP2362151A1 (fr) 2010-02-20 2010-02-20 Étagère pour four de cuisson
PCT/EP2011/000782 WO2011101156A1 (fr) 2010-02-20 2011-02-18 Étagère pour four de cuisson

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10001744A EP2362151A1 (fr) 2010-02-20 2010-02-20 Étagère pour four de cuisson

Publications (1)

Publication Number Publication Date
EP2362151A1 true EP2362151A1 (fr) 2011-08-31

Family

ID=42562565

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10001744A Withdrawn EP2362151A1 (fr) 2010-02-20 2010-02-20 Étagère pour four de cuisson

Country Status (2)

Country Link
EP (1) EP2362151A1 (fr)
WO (1) WO2011101156A1 (fr)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2225991A (en) * 1938-11-07 1940-12-24 Roper Corp Geo D Slidable rack for ovens and the like
US2410648A (en) * 1945-08-04 1946-11-05 L A Young Spring & Wire Corp Shelf or rack for refrigerators, ovens, and the like
DE1767199U (de) 1958-04-02 1958-05-22 Hans Giesbert Back- und grillrost fuer gas- und elektroherde, sowie herde anderer beheizungsarten.
JPH02282624A (ja) 1989-04-24 1990-11-20 Matsushita Electric Ind Co Ltd 加熱調理器
US20030192847A1 (en) * 2002-04-13 2003-10-16 Paul Hettich Gmbh & Co. Width-adjustable carrier frame usable in household appliances, particularly in cooking and baking ovens
US20070137501A1 (en) * 2005-12-19 2007-06-21 Manuel Aaron J Oven rack grilling apparatus and method of use thereof
EP1892476A2 (fr) * 2006-08-23 2008-02-27 Electrolux Home Products, Inc (a corporation of Delaware) Grille de four avec un section extractible
EP1892477A2 (fr) * 2006-08-23 2008-02-27 Electrolux Home Products, Inc (a corporation of Delaware) Grille de cuisson comportant une dalle de pierre
US20080237166A1 (en) * 2007-03-27 2008-10-02 Electrolux Home Products, Inc. Glide rack
US20090071464A1 (en) 2004-03-31 2009-03-19 Electrolux Home Products, Inc. Handle rack
US20090200906A1 (en) * 2008-02-07 2009-08-13 Daniel Dao Oven rack assembly
US20090250420A1 (en) * 2008-04-03 2009-10-08 Electrolux Home Products Inc. Tuck and store rack

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2225991A (en) * 1938-11-07 1940-12-24 Roper Corp Geo D Slidable rack for ovens and the like
US2410648A (en) * 1945-08-04 1946-11-05 L A Young Spring & Wire Corp Shelf or rack for refrigerators, ovens, and the like
DE1767199U (de) 1958-04-02 1958-05-22 Hans Giesbert Back- und grillrost fuer gas- und elektroherde, sowie herde anderer beheizungsarten.
JPH02282624A (ja) 1989-04-24 1990-11-20 Matsushita Electric Ind Co Ltd 加熱調理器
US20030192847A1 (en) * 2002-04-13 2003-10-16 Paul Hettich Gmbh & Co. Width-adjustable carrier frame usable in household appliances, particularly in cooking and baking ovens
US20090071464A1 (en) 2004-03-31 2009-03-19 Electrolux Home Products, Inc. Handle rack
US20070137501A1 (en) * 2005-12-19 2007-06-21 Manuel Aaron J Oven rack grilling apparatus and method of use thereof
EP1892476A2 (fr) * 2006-08-23 2008-02-27 Electrolux Home Products, Inc (a corporation of Delaware) Grille de four avec un section extractible
EP1892477A2 (fr) * 2006-08-23 2008-02-27 Electrolux Home Products, Inc (a corporation of Delaware) Grille de cuisson comportant une dalle de pierre
US20080237166A1 (en) * 2007-03-27 2008-10-02 Electrolux Home Products, Inc. Glide rack
US20090200906A1 (en) * 2008-02-07 2009-08-13 Daniel Dao Oven rack assembly
US20090250420A1 (en) * 2008-04-03 2009-10-08 Electrolux Home Products Inc. Tuck and store rack

Also Published As

Publication number Publication date
WO2011101156A1 (fr) 2011-08-25

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