EP0829600A1 - Dispositif de verrouillage pour porte d'appareil ménager, notamment pour porte de compartiment congélateur dans un réfrigérateur - Google Patents

Dispositif de verrouillage pour porte d'appareil ménager, notamment pour porte de compartiment congélateur dans un réfrigérateur Download PDF

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Publication number
EP0829600A1
EP0829600A1 EP97202424A EP97202424A EP0829600A1 EP 0829600 A1 EP0829600 A1 EP 0829600A1 EP 97202424 A EP97202424 A EP 97202424A EP 97202424 A EP97202424 A EP 97202424A EP 0829600 A1 EP0829600 A1 EP 0829600A1
Authority
EP
European Patent Office
Prior art keywords
door
handle
bolt
compartment
locking device
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
EP97202424A
Other languages
German (de)
English (en)
Other versions
EP0829600B1 (fr
Inventor
Silvano Fumagalli
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.)
Candy SpA
Original Assignee
Candy SpA
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 Candy SpA filed Critical Candy SpA
Publication of EP0829600A1 publication Critical patent/EP0829600A1/fr
Application granted granted Critical
Publication of EP0829600B1 publication Critical patent/EP0829600B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/06—Other devices specially designed for securing wings, e.g. with suction cups in which the securing part if formed or carried by a spring and moves only by distortion of the spring, e.g. snaps
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
    • E05C3/12—Fastening devices with bolts moving pivotally or rotatively with latching action
    • E05C3/14—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member rigid with the latch
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0451—Folded springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/025—Secondary closures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2500/00—Problems to be solved
    • F25D2500/02—Geometry problems

Definitions

  • the present invention relates to a locking device for a door of a compartment of a household appliance, particularly to a locking device for the freezing compartment door of a refrigerator.
  • a door is provided for closing said compartment.
  • the door is provided with a locking device which cooperates with an harpoon provided on one edge of the freezing compartment opening, and with an handle placed on the front of the door.
  • the locking device comprises an elastically flexible bolt having a hook suitable for engaging the harpoon to keep the door locked in a close position.
  • the bolt and the handle are formed as an integral body, and the bolt engagement or disengagement with the harpoon is exclusively left to the elastic bending ability of the bolt hook.
  • a device of this kind presents the disadvantage that to close the door it is necessary to exert a certain pressure on the door itself, in order to guarantee the bolt hook bending so as to snap-engaging the harpoon; therefore, if the pressure exerted on the door is not enough, the door remains unintentionally open, with the predictable bad consequences.
  • Another disadvantage of this kind of device consists in that it is not able to compensate for the dimensional variations caused by the manufacturing tolerances, that are inevitably present if one considers that both the compartment and the door are typically formed by moulded plastic material, and by the thermal expansion caused by temperature variations.
  • an object of the present invention is to provide a locking device which is not affected by said disadvantages.
  • a locking device for a door of a compartment of a household appliance comprising a handle and an elastically deformable bolt with a hook suitable for cooperating with a harpoon provided on one edge of said compartment to keep said door closed, the handle and the bolt being integrally made of an elastically deformable material, characterized in that said handle is hinged to said door so as to be orientable in a first angular position in which said hook leans out of one edge of the door for engaging with said harpoon and in a second angular position in which said hook is withdrawn as to the edge of the door for disengaging from said harpoon, and in that said bolt further comprises elastic biassing means that tend to keep the handle in said first position.
  • a locking device which, even if comprising an handle and a bolt forming an integral body as in the case of the known devices previously described, does not present the disadvantages of said devices: actually, being the handle hinged to the door, the hook provided on the bolt can be withdrawn to allow for opening and closing the door, and the presence of the elastic biassing means guarantees in any case that once the handle is released, this is automatically brought back in the hook leaning out position, in order to be able to engage with the harpoon provided on the edge of the door.
  • a freezing compartment 1 of a refrigerator 2 is shown in perspective view, with the respective door 3 in an half-closed position.
  • the door 3 is hinged on one side thereof to refrigerator 2.
  • a harpoon 5 is fixed by mounted on one edge 4 of the opening of the compartment 1.
  • a handle 6 is mounted on, viewable enlarged scale in Fig. 2, formed of moulded plastic material.
  • the handle 6 is hinged to door 3 by two rod pins 7 leaning out from the under side of the handle itself, those rod pins being fulcrated on respective bearings 8 (viewable in Fig. 3-5) extending from a side wall 18 of the door 3 and integral therewith; thus, the handle 6 can rotate on vertical axis as to door 3, and therefore it is angularly orientable as to the door itself.
  • the door 3 comprises a gasket 9 to guarantee sealing, when closed.
  • a bolt 10 is formed integrally with the handle itself and obtained by moulding.
  • the bolt 10 consists of a portion of the handle 6 partially detatched on three sides from the remaining part of the handle by two cuts 11 transversal to the handle rotating axis, and shaped to present some corrugations, so that said handle portion has in transversal section substantially the shape of a serpentine, with three loops substantially perpendicular to the door surface (Fig. 3-4).
  • the bolt is shaped to form, at his end, a longitudinal hook 12 extending for the bolt 10 for the entire length thereof and leaning out of the edge of door 3 in rest condition, in order to be able to engage the harpoon 5.
  • the bolt corrugated shape together with the elastic deformation properties of the material of which the handle 6 is made of, allow the bolt elastic deformation.
  • the central portion 13 of the bolt 10 is also detatched from the lateral parts 16 and from the hook 12 of the bolt itself by an "U" cut 14; corresponding to said central part 13 of the bolt 10, the corrugation of the material making up the handle 6 is more marked, so that the central loop 17 extends up to touch the wall 18 of the door 3, which acts as an abutment (Fig.5); in this way, the central part 13 of the bolt 10 acts as an elastic member biassing the handle 6 in a rest position in which the handle is substantially aligned to the front surface of door 3.
  • door 3 in a simpler way, although not entirely correct, drawing door 3 near to the compartment 1 opening edge, and then exerting a certain pressure on the door itself substantially at his end provided with handle 6, without rotating the handle itself; in this way, thanks to the bolt 10 particular corrugated shape which allows for the elastic deformation, the hook 12 can bend so as to recede while passing in correspondence of the harpoon 5, and then extend again so as to engage with the harpoon 5 and guarantee the door being closed.
  • the handle-bolt integral block dimensioning that proved suitable to reach the desired object.
  • the characteristic dimensions are shown in Fig.5 with A, A1, B, B1, D, D1.
  • the dimensions value depends on the elastic characteristics of the plastic material used to form the handle 6.
  • the dimension B value can be of about 3 mm (value which is also ideal for the moulding operation);
  • the thickness D1 of the material corresponding to the bolt 10 is preferably equal to about a half of thickness D, that is 0,75 mm.;
  • the dimension A is about twice as much dimension B.
  • dimension A1 must be about twice as much dimension B1.
  • the values just provided can vary depending on the used plastic material: for example, using PVC (which is softer than ABS), dimension B can be greater, by example 4 mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Refrigerator Housings (AREA)
  • Lighters Containing Fuel (AREA)
  • Closures For Containers (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
EP19970202424 1996-09-16 1997-08-04 Dispositif de verrouillage pour porte d'appareil ménager, notamment pour porte de compartiment congélateur dans un réfrigérateur Expired - Lifetime EP0829600B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI960612U 1996-09-16
ITMI960612 IT240884Y1 (it) 1996-09-16 1996-09-16 Dispositivo di bloccaggio per una porta di un vano di unelettrodomestico,particolarmente per la sportello dello scomparto

Publications (2)

Publication Number Publication Date
EP0829600A1 true EP0829600A1 (fr) 1998-03-18
EP0829600B1 EP0829600B1 (fr) 2002-05-15

Family

ID=11373804

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970202424 Expired - Lifetime EP0829600B1 (fr) 1996-09-16 1997-08-04 Dispositif de verrouillage pour porte d'appareil ménager, notamment pour porte de compartiment congélateur dans un réfrigérateur

Country Status (4)

Country Link
EP (1) EP0829600B1 (fr)
DE (1) DE69712579T2 (fr)
ES (1) ES2175263T3 (fr)
IT (1) IT240884Y1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0969171A3 (fr) * 1998-07-02 2003-01-15 REHAU AG + Co Couvercle
WO2003018943A1 (fr) * 2001-08-24 2003-03-06 Arcelik, A.S. Mecanisme de verrouillage
GB2403767A (en) * 2002-10-22 2005-01-12 Uniwill Comp Corp Elastic latch for portable electronic apparatus
EP1857756A2 (fr) * 2006-05-15 2007-11-21 BSH Bosch und Siemens Hausgeräte GmbH Appareil frigorifique
EP2372252A1 (fr) * 2010-04-05 2011-10-05 Vestel Beyaz Esya Sanayi Ve Ticaret A.S. Serrure de sécurité pour un four
WO2013098038A3 (fr) * 2011-12-26 2013-09-12 Arcelik Anonim Sirketi Dispositif de refroidissement comprenant un mécanisme de verrouillage
CN106257184A (zh) * 2015-06-17 2016-12-28 东部大宇电子株式会社 具有冰桶用锁定器件的冰箱和冰桶用锁定器件的安装方法
CN106257207A (zh) * 2015-06-17 2016-12-28 东部大宇电子株式会社 具有冰桶用锁定器件的冰箱和冰桶用锁定器件的安装方法
CN106257206A (zh) * 2015-06-17 2016-12-28 东部大宇电子株式会社 具有冰桶用锁定器件的冰箱和冰桶用锁定器件的安装方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017115372A1 (de) * 2017-07-10 2019-01-10 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2367176A1 (fr) * 1976-10-05 1978-05-05 Bosch Siemens Hausgeraete Dispositif de fermeture pour porte montee sur un compartiment en forme de caisson, en particulier pour la porte du compartiment congelateur d'un refrigerateur ou appareil similaire
GB2129046A (en) * 1982-10-29 1984-05-10 Arnold J W Door catch
US4492396A (en) * 1981-10-28 1985-01-08 Siemens-Allis, Inc. One-piece, slam-type latch for snap-in installation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2367176A1 (fr) * 1976-10-05 1978-05-05 Bosch Siemens Hausgeraete Dispositif de fermeture pour porte montee sur un compartiment en forme de caisson, en particulier pour la porte du compartiment congelateur d'un refrigerateur ou appareil similaire
US4492396A (en) * 1981-10-28 1985-01-08 Siemens-Allis, Inc. One-piece, slam-type latch for snap-in installation
GB2129046A (en) * 1982-10-29 1984-05-10 Arnold J W Door catch

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0969171A3 (fr) * 1998-07-02 2003-01-15 REHAU AG + Co Couvercle
WO2003018943A1 (fr) * 2001-08-24 2003-03-06 Arcelik, A.S. Mecanisme de verrouillage
GB2403767A (en) * 2002-10-22 2005-01-12 Uniwill Comp Corp Elastic latch for portable electronic apparatus
GB2403767B (en) * 2002-10-22 2006-11-08 Uniwill Comp Corp Latch device and electronic apparatus with latch device
EP1857756A3 (fr) * 2006-05-15 2013-04-03 BSH Bosch und Siemens Hausgeräte GmbH Appareil frigorifique
EP1857756A2 (fr) * 2006-05-15 2007-11-21 BSH Bosch und Siemens Hausgeräte GmbH Appareil frigorifique
WO2007131554A1 (fr) * 2006-05-15 2007-11-22 BSH Bosch und Siemens Hausgeräte GmbH Porte pour un espace intérieur séparable
EP2372252A1 (fr) * 2010-04-05 2011-10-05 Vestel Beyaz Esya Sanayi Ve Ticaret A.S. Serrure de sécurité pour un four
WO2013098038A3 (fr) * 2011-12-26 2013-09-12 Arcelik Anonim Sirketi Dispositif de refroidissement comprenant un mécanisme de verrouillage
CN106257184A (zh) * 2015-06-17 2016-12-28 东部大宇电子株式会社 具有冰桶用锁定器件的冰箱和冰桶用锁定器件的安装方法
CN106257207A (zh) * 2015-06-17 2016-12-28 东部大宇电子株式会社 具有冰桶用锁定器件的冰箱和冰桶用锁定器件的安装方法
CN106257206A (zh) * 2015-06-17 2016-12-28 东部大宇电子株式会社 具有冰桶用锁定器件的冰箱和冰桶用锁定器件的安装方法
US9593877B2 (en) * 2015-06-17 2017-03-14 Dongbu Daewoo Electronics Corporation Refrigerator having locking device for ice bucket and method for installation of locking device of ice bucket
CN106257207B (zh) * 2015-06-17 2019-05-07 东部大宇电子株式会社 具有冰桶用锁定器件的冰箱和冰桶用锁定器件的安装方法
CN106257184B (zh) * 2015-06-17 2019-07-16 东部大宇电子株式会社 具有冰桶用锁定器件的冰箱和冰桶用锁定器件的安装方法

Also Published As

Publication number Publication date
ITMI960612V0 (fr) 1996-09-16
ITMI960612U1 (it) 1998-03-16
ES2175263T3 (es) 2002-11-16
EP0829600B1 (fr) 2002-05-15
DE69712579T2 (de) 2002-12-19
DE69712579D1 (de) 2002-06-20
IT240884Y1 (it) 2001-04-11

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