EP1030139A1 - Refrigerator door hinge with a reduced number of components - Google Patents

Refrigerator door hinge with a reduced number of components Download PDF

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Publication number
EP1030139A1
EP1030139A1 EP00102329A EP00102329A EP1030139A1 EP 1030139 A1 EP1030139 A1 EP 1030139A1 EP 00102329 A EP00102329 A EP 00102329A EP 00102329 A EP00102329 A EP 00102329A EP 1030139 A1 EP1030139 A1 EP 1030139A1
Authority
EP
European Patent Office
Prior art keywords
hinge
door
arm
box member
cavity
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
EP00102329A
Other languages
German (de)
French (fr)
Other versions
EP1030139B1 (en
Inventor
Marco Whirlpool Europe s.r.l. Maritan
Marco Whirlpool Europe s.r.l. Signa
Ferruccio Whirlpool Europe s.r.l. Barzizza
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.)
Whirlpool Corp
Original Assignee
Whirlpool Corp
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 Whirlpool Corp filed Critical Whirlpool Corp
Publication of EP1030139A1 publication Critical patent/EP1030139A1/en
Application granted granted Critical
Publication of EP1030139B1 publication Critical patent/EP1030139B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/02—Parts for attachment, e.g. flaps
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/02—Parts for attachment, e.g. flaps
    • E05D5/06—Bent flaps
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/02—Parts for attachment, e.g. flaps
    • E05D5/08—Parts for attachment, e.g. flaps of cylindrical shape
    • 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
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40—Mounting location; Visibility of the elements
    • E05Y2600/41—Concealed
    • 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
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/50—Mounting methods; Positioning
    • E05Y2600/52—Toolless
    • E05Y2600/53—Snapping
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/26—Form or shape
    • 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
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets
    • 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
    • E05Y2900/31—Application of doors, windows, wings or fittings thereof for domestic appliances for refrigerators
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/02—Details of doors or covers not otherwise covered
    • F25D2323/024—Door hinges

Definitions

  • This invention relates to a refrigerator door hinge in accordance with the introduction to the main claim.
  • Every refrigerator door is hinged to the cabinet usually by two hinges positioned at different heights on said cabinet.
  • This door comprises a usual door liner associated with an outer shell with which there are also associated known abutment plates positioned at the top and bottom of the door liner and fixed to it. Usual insulating material is placed between the shell and door liner.
  • Each hinge comprises at least one arm projecting from an element by which the hinge is fixed to the cabinet. This arm is then usually connected to the door, normally at the corresponding abutment plate, the door rotating about the end of the arm.
  • each abutment plate comprises a seat for coupling to the corresponding hinge arm. This coupling is achieved by a pin which engages in a threaded hole provided in a free end of the hinge arm and with a bush rigid with the abutment plate to form the hinge.
  • This solution which is excellent from the operational aspect, comprises however a relatively large number of components, which influences the cost of each hinge and the time required for mounting it on the door while on the production line (with consequent influence on the refrigerator cost).
  • the door has to be arranged to receive the hinge bushes, and the hinge seats have to be suitably shaped and sealed against the foamed insulating material which is injected into the door after said seats have been made.
  • the main object of the invention is therefore to provide a refrigerator door hinge, for example for an upright refrigerator, which is not only easily mounted on the door but also enables this latter and its hinge receiving parts to be of simple construction.
  • a further object of the invention is to provide a hinge comprising a reduced number of component parts and hence of much lower cost than known hinges.
  • a refrigerator for example an upright refrigerator, comprises a usual cabinet 1 provided with food preservation compartments (not shown), and a usual door 2 provided with an outer shell (not shown), a door liner 3 and abutment plates 4 (of which only one is shown in the figures). Usual insulation 5 is present between the shell and door liner.
  • the cabinet and door are shown only schematically. The door moves relative to the cabinet 1 on hinges 6 (at least two), of which only one is shown in the figures, and which enable the door to be closed onto the cabinet 1 or be opened away from it.
  • Each hinge 6 comprises an arm 10 having a first end 11 fixed to an element (plate) 12 to be secured to the refrigerator cabinet 1 by screws or similar fixing means (not shown).
  • the arm 10 has a second end 13 provided with a through hole 14 to be mounted on one of two pins 15 facing it inside the cavity 16 of a box element 17 open on one side 17A.
  • This element is inserted into a seat 19 in the corresponding abutment plate 4 and fixed in it by opposing lugs or teeth 21 which snap into holes 22 provided in the wall 19A of the seat 19.
  • the element 17 comprises a raised edge 20 which after insertion into the seat 19 rests against the abutment plate 4.
  • the pins 15 are defined by parallel projections 23 extending from opposing walls 24 of the cavity 16. These projections can be elastically forced apart and together to enable the end 13 of the hinge arm 10 to be mounted on them such that they cooperate by friction with the hole 14 in said arm, to allow correct movement of the door (slightly braked).
  • the hinge is assembled after the door has been constructed, this construction being totally independent thereof.
  • the arm 10 is insertion-fitted to the box element 17 by inserting one of the two pins 15 into the hole 14 in the arm 10, depending on the hinge position (right or left, top or bottom) on the door.
  • a ring 14A of self-lubricating material for example nylon
  • the element 12 is fixed to the cabinet 1 and the element 17 is inserted into the door seat 19 until it snaps into secure connection to it.
  • the invention enables the door to be assembled in a simple manner without the hinge, which is fixed to the door only subsequently.
  • the hinge also comprises a smaller number of components than known hinges.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)
  • Hinges (AREA)

Abstract

A hinge for a door (2) of a refrigerator such as an upright refrigerator having a cabinet about which said door (2) can be moved, this latter comprising an outer shell, end abutment plates (4) and a door liner (3), a layer of insulating material (5) being provided between the shell and door liner (3), said hinge comprising an arm (10) projecting from an element for its fixing to said cabinet (1) and having a free end (13) provided with a through hole (14). The hinge comprises a box member (17), open on one side through which said end (13) of said arm (10) can be inserted into the cavity (16) of said member, means (15) being provided within said cavity (16) to engage said end (13) and connect this latter to said box member (17) such as to enable it to rotate relative to said means (15), said box member (17) being inserted into a corresponding seat provided in each of said abutment plates (4).

Description

  • This invention relates to a refrigerator door hinge in accordance with the introduction to the main claim.
  • Every refrigerator door is hinged to the cabinet usually by two hinges positioned at different heights on said cabinet. This door comprises a usual door liner associated with an outer shell with which there are also associated known abutment plates positioned at the top and bottom of the door liner and fixed to it. Usual insulating material is placed between the shell and door liner.
  • Each hinge comprises at least one arm projecting from an element by which the hinge is fixed to the cabinet. This arm is then usually connected to the door, normally at the corresponding abutment plate, the door rotating about the end of the arm. In known solutions, each abutment plate comprises a seat for coupling to the corresponding hinge arm. This coupling is achieved by a pin which engages in a threaded hole provided in a free end of the hinge arm and with a bush rigid with the abutment plate to form the hinge.
  • This solution, which is excellent from the operational aspect, comprises however a relatively large number of components, which influences the cost of each hinge and the time required for mounting it on the door while on the production line (with consequent influence on the refrigerator cost). Moreover, the door has to be arranged to receive the hinge bushes, and the hinge seats have to be suitably shaped and sealed against the foamed insulating material which is injected into the door after said seats have been made.
  • The main object of the invention is therefore to provide a refrigerator door hinge, for example for an upright refrigerator, which is not only easily mounted on the door but also enables this latter and its hinge receiving parts to be of simple construction.
  • A further object of the invention is to provide a hinge comprising a reduced number of component parts and hence of much lower cost than known hinges.
  • These and other objects which will be apparent to the expert of the art are attained by a hinge in accordance with the accompanying claims.
  • The invention will be more apparent from the accompanying drawing, which is provided by way of non-limiting example, and on which:
  • Figure 1 is a perspective view of a hinge of the invention during its fitting to the refrigerator door;
  • Figure 2 is a front view of the hinge of Figure 1; and
  • Figure 3 is a section on the line 3-3 of Figure 1 with the hinge fitted to the door.
  • With reference to said figures, a refrigerator, for example an upright refrigerator, comprises a usual cabinet 1 provided with food preservation compartments (not shown), and a usual door 2 provided with an outer shell (not shown), a door liner 3 and abutment plates 4 (of which only one is shown in the figures). Usual insulation 5 is present between the shell and door liner. The cabinet and door are shown only schematically. The door moves relative to the cabinet 1 on hinges 6 (at least two), of which only one is shown in the figures, and which enable the door to be closed onto the cabinet 1 or be opened away from it.
  • Each hinge 6 comprises an arm 10 having a first end 11 fixed to an element (plate) 12 to be secured to the refrigerator cabinet 1 by screws or similar fixing means (not shown). The arm 10 has a second end 13 provided with a through hole 14 to be mounted on one of two pins 15 facing it inside the cavity 16 of a box element 17 open on one side 17A. This element is inserted into a seat 19 in the corresponding abutment plate 4 and fixed in it by opposing lugs or teeth 21 which snap into holes 22 provided in the wall 19A of the seat 19. The element 17 comprises a raised edge 20 which after insertion into the seat 19 rests against the abutment plate 4.
  • The pins 15 are defined by parallel projections 23 extending from opposing walls 24 of the cavity 16. These projections can be elastically forced apart and together to enable the end 13 of the hinge arm 10 to be mounted on them such that they cooperate by friction with the hole 14 in said arm, to allow correct movement of the door (slightly braked).
  • The hinge is assembled after the door has been constructed, this construction being totally independent thereof. The arm 10 is insertion-fitted to the box element 17 by inserting one of the two pins 15 into the hole 14 in the arm 10, depending on the hinge position (right or left, top or bottom) on the door. Preferably a ring 14A of self-lubricating material (for example nylon) is positioned in the hole 14 of the arm 10 to define a sort of bearing for the rotation of the arm relative to the pin 15.
  • After this assembly, the element 12 is fixed to the cabinet 1 and the element 17 is inserted into the door seat 19 until it snaps into secure connection to it.
  • The invention enables the door to be assembled in a simple manner without the hinge, which is fixed to the door only subsequently. The hinge also comprises a smaller number of components than known hinges.

Claims (7)

  1. A hinge for a door (2) of a refrigerator such as an upright refrigerator having a cabinet (1) about which said door (2) can be moved, this latter comprising an outer shell, end abutment plates (4) and a door liner (3), usual insulation (5) being provided between the shell and door liner (3), said hinge comprising an arm (10) projecting from an element (12) for its fixing to said cabinet (1) and having a free end (13) provided with a through hole (14), said hinge being characterised by comprising a box member (17) to be inserted into a cavity (19) in a corresponding abutment plate (4) on the door, means (15) being provided within the cavity (16) of this member to engage the free end (13) of the hinge arm (10) and connect this latter to said member (17) and hence to the door (2), but such as to enable it to rotate relative to said means (15).
  2. A hinge as claimed in claim 1, characterised in that the box member (17) is open on one side (17A), through which the hinge arm (10) is inserted for coupling to the engagement means (15), these latter comprising two superposed spaced-apart connection elements projecting from opposing walls (24) of the cavity (16) of the box member (17), only one of said elements (15) being inserted into the hole (14) in the hinge arm (10), and cooperating with said arm (10) after its connection to said member (17).
  3. A hinge as claimed in claim 1, characterised in that each connection element (15) comprises two opposing parallel projections (23) extending from the corresponding wall (24) of the cavity (16) of the box member (17).
  4. A hinge as claimed in claim 1, characterised in that the box member (17) comprises fixing elements (21) which fix it into the seat (19) in the abutment plate (4) on the door (2).
  5. A hinge as claimed in claim 4, characterised in that the fixing elements (21) are teeth or lugs projecting from the box member (17) to cooperate with holes (22) provided in the wall (19A) of said seat.
  6. A hinge as claimed in claim 1, characterised in that the box member (17) comprises a raised edge (20) arranged to rest on the abutment plate (4) when said member (17) is in its seat (19).
  7. A hinge as claimed in claim 1, characterised in that an annular element (14A) of material of low friction coefficient is positioned in the hole (14) in the free end of the hinge arm (10) to become interposed between this arm (10) and the engagement means.
EP20000102329 1999-02-19 2000-02-03 Refrigerator door hinge with a reduced number of components Expired - Lifetime EP1030139B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI990096U 1999-02-19
IT1999MI000096 IT246535Y1 (en) 1999-02-19 1999-02-19 HINGE FOR A DOOR OF A REFRIGERATOR HAVING A REDUCED NUMBER OF COMPONENTS

Publications (2)

Publication Number Publication Date
EP1030139A1 true EP1030139A1 (en) 2000-08-23
EP1030139B1 EP1030139B1 (en) 2004-10-27

Family

ID=11381553

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000102329 Expired - Lifetime EP1030139B1 (en) 1999-02-19 2000-02-03 Refrigerator door hinge with a reduced number of components

Country Status (4)

Country Link
EP (1) EP1030139B1 (en)
DE (1) DE60015203T2 (en)
ES (1) ES2228313T3 (en)
IT (1) IT246535Y1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010071286A1 (en) * 2008-12-18 2010-06-24 Lg Electronics Inc. Hinge assembly and refrigerator having the same
EP2283196A1 (en) * 2008-04-29 2011-02-16 BSH Bosch und Siemens Hausgeräte GmbH Hinge element and housing for a household appliance

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1276666B (en) * 1963-02-08 1968-09-05 Bosch Hausgeraete Gmbh Fridge
FR2526530A1 (en) * 1982-05-06 1983-11-10 Licentia Gmbh FRIDGE
EP0508806A1 (en) * 1991-04-12 1992-10-14 ITW Limited Door hinge
US5220747A (en) * 1992-10-27 1993-06-22 General Electric Company Refrigerator door biasing mechanism
US5355556A (en) * 1993-01-26 1994-10-18 Aircom Metal Products, Inc. Enclosure having reversible door and hinge therefor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1276666B (en) * 1963-02-08 1968-09-05 Bosch Hausgeraete Gmbh Fridge
FR2526530A1 (en) * 1982-05-06 1983-11-10 Licentia Gmbh FRIDGE
EP0508806A1 (en) * 1991-04-12 1992-10-14 ITW Limited Door hinge
US5220747A (en) * 1992-10-27 1993-06-22 General Electric Company Refrigerator door biasing mechanism
US5355556A (en) * 1993-01-26 1994-10-18 Aircom Metal Products, Inc. Enclosure having reversible door and hinge therefor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2283196A1 (en) * 2008-04-29 2011-02-16 BSH Bosch und Siemens Hausgeräte GmbH Hinge element and housing for a household appliance
WO2010071286A1 (en) * 2008-12-18 2010-06-24 Lg Electronics Inc. Hinge assembly and refrigerator having the same
CN102257339A (en) * 2008-12-18 2011-11-23 Lg电子株式会社 Hinge assembly and refrigeration equipment with the hinge assembly
US8147015B2 (en) 2008-12-18 2012-04-03 Lg Electronics Inc. Hinge assembly and refrigerator having the same
EP2370765A4 (en) * 2008-12-18 2016-02-17 Lg Electronics Inc HINGE AND REFRIGERATOR ASSEMBLY COMPRISING THE SAME

Also Published As

Publication number Publication date
DE60015203T2 (en) 2005-11-10
DE60015203D1 (en) 2004-12-02
IT246535Y1 (en) 2002-04-09
ITMI990096U1 (en) 2000-08-19
ES2228313T3 (en) 2005-04-16
ITMI990096V0 (en) 1999-02-19
EP1030139B1 (en) 2004-10-27

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