US20190107291A1 - Fastening element and household appliance comprising said fastening element - Google Patents

Fastening element and household appliance comprising said fastening element Download PDF

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Publication number
US20190107291A1
US20190107291A1 US16/088,491 US201716088491A US2019107291A1 US 20190107291 A1 US20190107291 A1 US 20190107291A1 US 201716088491 A US201716088491 A US 201716088491A US 2019107291 A1 US2019107291 A1 US 2019107291A1
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US
United States
Prior art keywords
fastening element
holding section
lock portion
rod
rods
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.)
Abandoned
Application number
US16/088,491
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English (en)
Inventor
Sakir Cetintas
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
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Electrolux Appliances AB
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Filing date
Publication date
Application filed by Electrolux Appliances AB filed Critical Electrolux Appliances AB
Assigned to ELECTROLUX APPLIANCES AKTIEBOLAG reassignment ELECTROLUX APPLIANCES AKTIEBOLAG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Cetintas, Sakir
Publication of US20190107291A1 publication Critical patent/US20190107291A1/en
Abandoned legal-status Critical Current

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    • 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
    • F24C15/168—Shelves, racks or trays inside ovens; Supports therefor with telescopic rail systems
    • 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 generally relates to the field of fastening elements. More specifically, the present invention is related to fastening elements for arranging components at a side grid of a household appliance.
  • Fastening elements for fixing components specifically telescopic runners at a side grid of a household appliance are known in prior art.
  • document DE 101 16 471 B4 discloses a fastening element for telescopic runners within a baking oven.
  • Said fastening element comprises a C-shape configuration, i.e. the fastening element is arranged at a pair of rods of a side grid, wherein an upper holding portion of the fastening element encompasses a first rod of said pair of rods at an upper side and a lower holding portion encompasses a second rod of said pair of rods at a lower side.
  • the fastening element comprises a snap-on mechanism which enables a detachable connection of the fastening element at the side grid.
  • the known fastening element shows a difficult handling because for disengaging the fastening element from the side grid, the fastening element has to be rotated around a horizontal axis.
  • a fastening element is disclosed.
  • the fastening element is adapted to arrange a component at a side grid comprising multiple rods.
  • the fastening element comprises an upper holding section, a lower holding section and a middle section being arranged between the upper and lower holding section.
  • the upper and lower holding sections are adapted to encompass a rod at an upper side in order to enable a hanging arrangement of the fastening element at the side grid by a top-down movement.
  • the fastening element further comprises a lock portion, the lock portion being reversibly deformable, e.g. by bending between a locked and an unlocked state. Thereby, the lock portion interacts with a lower side of a rod in the locked state in order to avoid unhooking of the fastening element in said locked state.
  • said fastening element comprises hook-like holding sections with downwardly directed apertures thereby being configured to be arranged at the rods of the side grid by a top-down movement.
  • the upper holding section comprises a hook-like shape.
  • the upper holding section comprises a semi-circle shaped end portion, said semi-circle shaped end portion comprising a bottom-side aperture for receiving a rod of the side grid.
  • Said semi-circle shaped end portion may form a receiving area adapted to the dimensions of the rod in order to encompass the rod at an upper side in a form-locking way.
  • the lower holding section comprises a hook-like shape.
  • the lower holding section comprises a semi-circle shaped end portion, said semi-circle shaped end portion comprising a bottom-side aperture for receiving a rod of the side grid.
  • Said semi-circle shaped end portion may form a receiving area adapted to the dimensions of the rod in order to encompass the rod at an upper side in a form-locking way.
  • the lock portion is formed by a tounge-like portion being obtained by one or more cuts or slits separating the lock portion from the remaining fastening element portions. Thereby a reversible movement of the lock portion between the locked and the unlocked state is possible.
  • the lock portion comprises a grip portion, said grip portion being arranged such that the grip portion can be handled at a front side at which the component is fixable.
  • the grip portion may be arranged in or in front of a plane spanned by the rod receiving portions of the fastening element. Thereby the grip portion is easy to reach which improved the handling of the fixing element.
  • the lock portion comprises a longitudinal axis, said longitudinal axis extending in the horizontal or vertical direction.
  • the lock portion may be bendable with respect to a vertical or horizontal axis.
  • the fastening element comprises a U-like shape thereby forming a recess for receiving the component in order to integrate the component in the space between an upper rod and a lower rod of the side grid.
  • the upper holding section comprises a base portion and the lock portion extends laterally from said base portion.
  • the base portion may be arranged in direct proximity to and below the hook-shaped free end of said upper holding section.
  • the base portion may be parallel to the plane including the rod-receiving portions of the upper and lower holding section.
  • the lock portion comprises a protrusion engaging below the lower side of the rod in the locked state. Thereby, an upwardly directed movement leading to a disengaging of the fastening element is prevented.
  • the lock portion comprises a hook-like shape and is integrated in the lower holding section.
  • the lock portion may be adapted to provide a snap-on mechanism at a rod received in the lower holding section.
  • the lock portion may provide a protrusion, said protrusion being arranged at the lower side of the rod in the locked state in order to avoid an undesired decoupling. By bending the lock portion, said protrusion does not interact with the rod anymore and the fastening element can be moved upwardly in order to disassemble the fastening element from said side grid.
  • the lower holding section comprises two counter-bearing portions, said counter-bearing portions being arranged at different sides of the lock portion. Said counter-bearing portions being may interact with a locking portion arranged between said counter-bearing portions in order to obtain an encompassing of a rod.
  • the upper holding section comprises two hook portions and the lock portion is arranged between said two hook portions.
  • Said lock portion may interact with the lower side of the rod in order to avoid an undesired unhooking of the fastening element in the locked state.
  • the longitudinal axis of the lock portion extends in vertical direction and is bendable around a horizontal axis in order to unlock the fastening element. Thereby a secure fixing of the fastening element at the side grid is obtained.
  • the invention relates to a household appliance with a cavity and a pair of side grids included in the cavity, wherein components, specifically telescopic runners are attached to said side grids by means of fastening elements.
  • the fastening elements may be configured according to one of the upper-mentioned embodiments.
  • household applicance may refer to any appliance used in domestic or commercial kitchens, specifically baking ovens etc.
  • FIG. 1 shows a schematic view of a household appliance
  • FIG. 2 shows a perspective view of a side grid including a telescopic runner attached to said side grid by means of a pair of fastening elements;
  • FIG. 3 shows a first embodiment of a fastening element
  • FIG. 4 shows a second embodiment of a fastening element
  • FIG. 5 shows a third embodiment of a fastening element.
  • FIG. 1 shows a schematic illustration of a household appliance 1 , according to the present embodiment constituted by a baking oven.
  • the household appliance 1 comprises a cavity 1 . 1 for receiving the food to be cooked or baked.
  • a pair of side grids 10 is arranged at opposite side walls of the cavity 1 . 1 .
  • FIG. 2 shows such side grid 10 .
  • the side grid 10 may comprise multiple horizontal rods 10 . 1 thereby spanning a vertical or essentially vertical plane of rods 10 . 1 .
  • Said rods 10 . 1 may be metal rods comprising a round cross section.
  • at least two fastening elements 20 are provided in order to attach a component 11 , specifically telescopic runners at said side grid 10 .
  • Said fastening elements 20 may be quick-fixing elements which ensure a releasable mounting of said component 11 at the side grid 10 .
  • FIG. 3 shows a first embodiment of the fastening element 20 .
  • the fastening element 20 comprises an upper holding section 21 , a lower holding section 22 and a middle section 23 arranged between said upper and lower holding section 21 , 22 .
  • the upper and lower holding section 21 , 22 comprises hook-shaped end portions 21 . 1 , 22 . 1 which are adapted to at least partially encompass a rod 10 . 1 of the side grid 10 .
  • the hook-shaped end portions 21 . 1 , 22 . 1 are adapted to the dimensions of the rods 10 . 1 in order to enable a form-fitted attachment of the fastening element 20 at said rod 10 . 1 .
  • the upper holding section 21 comprises a base portion 21 . 2 .
  • said base portion 21 . 2 may be vertically arranged.
  • the fastening element 20 comprises coupling portions 25 , 26 for connecting the upper and lower holding sections 21 , 22 with said middle portion 23 .
  • Said coupling portions 25 , 26 may protrude from said upper and lower holding sections 21 , 22 backwardly.
  • the middle portion 23 is horizontally offset with respect to the upper and lower holding section 21 , 22 thereby obtaining a recess 27 in which said component 11 may be received.
  • the fastening elements 20 can be attached at the side grid 10 by a top-down movement.
  • a lock portion 24 is provided.
  • the lock portion 24 may be a tongue-like projection which is reversibly deformable. Without applying external forces, the lock portion 24 may be arranged in a locked state (shown in FIGS. 4 to 6 ). More in detail, in the locked state, at least a section of the lock portion 24 interacts with the lower side of the rod 10 . 1 thereby preventing an undesired loosening of the connection between the fastening element 20 and the side grid 10 . By applying external forces, the lock portion 24 can be pulled in an unlocked state in which the lock portion 24 does not engage behind the lower portion of the rod 10 . 1 anymore. Thereby, the fastening element can be moved upwardly in order to unhook the fastening element 20 .
  • the lock portion 24 is horizontally arranged and extends in a direction parallel to the rod 10 . 1 to be included in the upper hook-shaped end portions 21 . 1 .
  • the lock portion 24 may laterally protrude from upper-mentioned base portion 21 . 2 .
  • the lock portion 24 further comprises a grip portion 24 . 1 .
  • Said grip portion 24 . 1 may be arranged above the recess 27 for receiving the component 11 . Thereby, the grip portion 24 . 1 may be easily accessible from the front side thereby simplifying the handling of the lock mechanism.
  • FIG. 4 shows a second embodiment of a fastening element 20 .
  • the fastening element 20 also comprises an upper holding section 21 , a lower holding section 22 and a middle section 23 arranged between said upper and lower holding section 21 , 22 .
  • the upper holding section 21 also comprises hook-shaped end portion 21 . 1 which is adapted to at least partially encompass a rod 10 . 1 of the side grid 10 .
  • the hook-shaped end portion 21 . 1 is adapted to the dimensions of the rods 10 . 1 in order to enable a form-fitted attachment of the fastening element 20 at said rod 10 . 1 .
  • the upper holding section 21 also comprises a base portion 21 . 2 which may be vertically arranged when attaching the fastening element 20 at the side grid 10 .
  • the fastening element 20 also comprises coupling portions 25 , 26 for connecting the upper and lower holding sections 21 , 22 with said middle portion 23 . Said coupling portions 25 , 26 may protrude from said upper and lower holding sections 21 , 22 to the back. Thereby, the middle portion 23 is horizontally offset with respect to the upper and lower holding section 21 , 22 thereby obtaining a recess 27 in which said component 11 may be received.
  • the lock portion 24 according to the embodiment of FIG. 4 is integrated in the lower holding section 22 .
  • the lower holding section 22 is segmented in multiple portions which are horizontally arranged next to each other. More in detail, the lower holding section 22 comprises two counter-bearing portions 22 . 2 . Said counter-bearing portions 22 . 2 are arranged at both sides of the lock portion 24 . The counter-bearing portions 22 . 2 may be separated from the lock portion 24 by slits 28 .
  • the counter-bearing portions 22 . 2 build a contact surface for the rod 10 . 1 at a first side whereas the lock portion 24 builds a contact surface for the rod 10 . 1 at a second side opposite to said first side thereby realizing a lateral fixing of the fastening element 20 at the side grid 10 .
  • the lock portion 24 encompasses the rod 10 . 1 from an upper side towards a lower side thereby forming a snap-on element securing the fastening element 20 against undesired loosening.
  • the lock portion 24 may also comprise a grip portion 24 . 1 , said grip portion 24 . 1 protruding downwards.
  • the lock mechanism provided by the lock portion 24 can be disengaged by pulling the grip portion 24 . 1 in a forward direction (as indicated by the arrow).
  • FIG. 5 shows a third embodiment of the fastening element 20 .
  • the fastening element 20 also comprises an upper holding section 21 , a lower holding section 22 and a middle section 23 arranged between said upper and lower holding section 21 , 22 .
  • the fastening element 20 comprises a recess 27 for receiving a component 11 .
  • the upper and lower holding sections 21 , 22 are adapted to enable a hanging arrangement of the fastening element 20 at a pair of rods 10 . 1 .
  • the lock mechanism is integrated in the upper holding section 21 .
  • the upper holding section 21 comprises multiple tongue-shaped segments.
  • the upper holding section 21 comprises three segments.
  • the outer segments comprise hook-shaped end portions 21 . 1 in order to encompass a first rod 10 . 1 .
  • the middle segment forms the lock portion 24 .
  • the lock portion 24 may be separated from said outer segments by means of slits in order to enable a movement of the lock portion 24 between a locked and an unlocked state.
  • the longitudinal axis of the lock portion 24 may be arranged in a vertical direction and the lock portion 24 may be bendable with respect to a horizontal axis in order to move the lock portion 24 from the locked state in which the lock portion 24 blocks disengaging the fastening element 20 by being at least partially placed beneath the first rod 10 . 1 into the unlocked state in which the fastening element 10 can be moved upwardly in order to disengage the fastening element 20 .
  • the lock portion 24 comprises a grip portion 24 . 1 which protrudes in a forward direction perpendicular to the longitudinal axis of the rods 10 . 1 in order to be able to grasp the grip portion 24 . 1 easily.
  • the lower holding section 22 also comprises multiple segments. Said segments may also be separated by slits.
  • the outer segments of the lower holding section 22 may be adapted to provide outer and upper contact surfaces for a second rod 10 . 1 whereas the middle segment provides an inner contact surface for said second rod 10 . 1 . Also a vice versa configuration is feasible. Due to the interaction of said segments of the lower holding section 22 , the second rod is encompassed at an upper region and at opposite side regions of the rod 10 . 1 thereby realizing a fixation of the fastening element at said second rod 10 . 1 .
  • upper-described configuration of the lower holding section 22 can also be realized within the embodiment according to FIG. 3 .
  • the upper holding section 21 may be segmented comprising multiple segments according to the embodiment of the lower holding section 22 of FIG. 5 .
  • the upper-described fastening elements 12 may be single-piece elements integrally formed out of sheet metal, e.g. by punching and bending.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Clamps And Clips (AREA)
  • Food-Manufacturing Devices (AREA)
US16/088,491 2016-03-30 2017-03-09 Fastening element and household appliance comprising said fastening element Abandoned US20190107291A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16162727.8A EP3225919B1 (de) 2016-03-30 2016-03-30 Befestigungselement und haushaltsgerät mit einem derartigen befestigungselement
EPEP16162727.8 2016-03-30
PCT/EP2017/055614 WO2017167566A1 (en) 2016-03-30 2017-03-09 Fastening element and household appliance comprising said fastening element

Publications (1)

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US20190107291A1 true US20190107291A1 (en) 2019-04-11

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US16/088,491 Abandoned US20190107291A1 (en) 2016-03-30 2017-03-09 Fastening element and household appliance comprising said fastening element

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US (1) US20190107291A1 (de)
EP (1) EP3225919B1 (de)
AU (1) AU2017243936B2 (de)
WO (1) WO2017167566A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10731866B2 (en) * 2014-01-28 2020-08-04 Accuride International Gmbh Quick-fastening element, guide rail and use
US12035845B1 (en) 2023-04-26 2024-07-16 Sharkninja Operating Llc Systems and methods for cooking pizza

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11435090B2 (en) * 2017-08-15 2022-09-06 Paul Hettich Gmbh & Co. Kg Fastening system and method for installing a fastening system having a pullout guide and a side grid
DE202018104251U1 (de) * 2018-07-24 2019-10-25 Grass Gmbh Führungsvorrichtung zur Führung eines Gutträgers in einem Gehäuse
EP3862636A1 (de) * 2020-02-05 2021-08-11 Accuride International GmbH Teleskopschiene sowie auszugssystem mit einer teleskopschiene

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US1598003A (en) * 1926-05-06 1926-08-31 Parrott Bertram Arthur Holding device
US20050121561A1 (en) * 2002-04-03 2005-06-09 Sweigard Daniel J. Clip for fire detector wire
WO2010089553A1 (en) * 2009-02-05 2010-08-12 Accuride International Limited Means for mounting an article
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DE202013102739U1 (de) * 2013-06-24 2013-07-30 Hans Giesbert Gmbh & Co. Kg Befestigungssystem zur Kopplung eines Gestells mit mindestens einer Teleskopschiene

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DE10116471B4 (de) 2001-04-03 2004-10-07 Amica Wronki S.A. Aufhängungseinheit für Einschübe für einen Backofen
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ATE471490T1 (de) * 2008-07-09 2010-07-15 Electrolux Home Prod Corp Einteiliges befestigungselement für ein kochfeld und kochfeld mit einteiligen befestigungselementen
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US20050121561A1 (en) * 2002-04-03 2005-06-09 Sweigard Daniel J. Clip for fire detector wire
WO2010089553A1 (en) * 2009-02-05 2010-08-12 Accuride International Limited Means for mounting an article
DE102010021283A1 (de) * 2010-05-21 2011-11-24 Gronbach Forschungs- Und Entwicklungs Gmbh & Co. Kg Auszugsführung für ein Gerät
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10731866B2 (en) * 2014-01-28 2020-08-04 Accuride International Gmbh Quick-fastening element, guide rail and use
US12035845B1 (en) 2023-04-26 2024-07-16 Sharkninja Operating Llc Systems and methods for cooking pizza

Also Published As

Publication number Publication date
AU2017243936A1 (en) 2018-08-16
EP3225919B1 (de) 2019-10-16
EP3225919A1 (de) 2017-10-04
AU2017243936B2 (en) 2022-08-04
WO2017167566A1 (en) 2017-10-05

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