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
• • 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
• • 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
  • E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
  • E05B15/0205—Striking-plates, keepers, staples
• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
  • E05B17/00—Accessories in connection with locks
  • E05B17/0025—Devices for forcing the wing firmly against its seat or to initiate the opening of the wing
  • E05B17/0033—Devices for forcing the wing firmly against its seat or to initiate the opening of the wing for opening only
• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
  • E05C1/00—Fastening devices with bolts moving rectilinearly
  • E05C1/08—Fastening devices with bolts moving rectilinearly with latching action
  • E05C1/12—Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
  • E05C1/16—Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the handle or member moving essentially in a plane substantially parallel to the wing or frame
• • 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
  • 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
  • E05C3/16—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B7/00—Special arrangements or measures in connection with doors or windows
  • E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
• • 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
  • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
  • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
  • E05B65/00—Locks or fastenings for special use
  • E05B65/0042—For refrigerators or cold rooms
• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
  • E05D3/00—Hinges with pins
  • E05D3/02—Hinges with pins with one pin
  • E05D3/04—Hinges with pins with one pin engaging three or more parts, e.g. sleeves, movable relatively to one another for connecting two or more wings to another member
• • 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
  • E05D7/08—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions
  • E05D7/081—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions the pivot axis of the wing being situated near one edge of the wing, especially at the top and bottom, e.g. trunnions
• • 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
  • 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
  • F25D2323/00—General constructional features not provided for in other groups of this subclass
  • F25D2323/02—Details of doors or covers not otherwise covered
  • F25D2323/021—French doors
• • 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
  • F25D2323/023—Door in door constructions
• • 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

• Embodiments of the present invention relate to a refrigerator having a double door.
• the support may be coupled to a rear side of the handle while accommodated in the rear side of the handle.
• the handle lever may be rotatably coupled to the support by a rotation shaft, and include a first handle lever rotating about the rotation shaft forward and backward and a second handle lever rotating upward and downward in linkage with forward and backward rotation of the first handle lever so as to be hung with and released from the fixing unit.
• the first handle lever may be provided in a shape extending downward of the rotation shaft and configured to rotate about the rotation shaft forward and backward
• the second handle lever may be provided in a shape extending backward of the rotation shaft and configured to rotate about the rotation shaft upward and downward.
• the rear cover may include an opening opened so that a rear side of the first handle lever is exposed to the outside, a guide portion that guides the second handle lever not to be exposed to the outside, and a fourth coupling hole disposed in a position corresponding to the third coupling hole.
• a second support portion elastically supported by the spring and supporting the other side of the spring supported against the housing may be provided at a lower portion of the first handle lever.
• the second door may be provided with a guide configured to guide the second handle lever to be hung with and released from the hanging portion by passing through the second door, the guide communicating with the guide portion of the rear cover.
• a refrigerator in accordance with another aspect of the present disclosure, includes a main body, a first door, a second door, a handle and a latch device.
• the main body may have a storage compartment.
• the first door may be rotatably disposed in front of the main body and has an opening formed therein.
• the second door may be rotatably disposed in front of the first door to open/close the opening.
• the handle may be coupled to a front side of the second door to open/close the first door and the second door.
• the latch device may allow the second door to be fixed to the first door and released from being fixed to the first door.
• the latch device may include a fixing unit, a connection member, a handle lever and a rotation unit.
• the fixing unit may be provided on a front side of the first door.
• connection member may be provided to be movable forward and backward at an inside of the handle.
• the handle lever may be disposed on a rear side of the handle and allow the connection member to move forward.
• the rotation unit may be hung with and released from the fixing unit by being rotated leftward and rightward by the connection member.
• the latch device may include a support accommodated in the handle and to which the connection member and the rotation unit are coupled, and a guide provided at an inside of the second door and guiding the rotation unit to pass through the second door and then to be hung with and released from the fixing unit.
• the handle lever may be provided with a fixing protrusion fixed to a fixing hole provided on the coupling protrusion and configured to push the connection member, and a spring may be provided on outer circumferential surfaces of the coupling protrusion and the fixing protrusion while disposed between the handle lever and the connection member coupling portion.
• a lower portion of the handle lever may be pressurized such that the fixing protrusion pushes the connection member to be moved forward, and thus the rotation unit may be rotated about the shaft counterclockwise, and the counterclockwise rotation of the rotation unit may cause the hanging of the locking portion to be released from the fixing unit, thereby releasing the second door from being fixed to the first door.
• the rack may include a coupling hole coupled to a rack coupling portion provided on the support so as to be movable forward and backward, a first rack gear engaged with the pinion gear, and a press portion exposed forward of the second door.
• the locking portion may include a guide groove allowing the locking portion to move upward and downward along a guide rail provided on the support, a second rack gear engaged with the pinion gear, and a hanging hole hung with and released from the fixing unit.
• a refrigerator in accordance with another aspect of the present disclosure, includes a main body, a first door, a second door, a first gasket, a second gasket, a handle and a latch device.
• the main body may have a storage compartment, and formed of metal.
• the first door may be rotatably disposed in front of the main body and have an opening formed therein, and the first door may have a front side thereof formed of metal.
• the second door may be rotatably disposed in front of the first door to open/close the opening.
• the first gasket may be provided on the first door and accommodate a first magnet having a magnetic force, thereby allowing the first door to come into close contact with the main body.
• the second gasket may be provided on the second door and accommodate a second magnet having a magnetic force greater than the magnetic force of the first magnet, thereby allowing the second door to come into close contact with the first door.
• the handle may be coupled to a front side of the second door to open/close the first door and the second door.
• the latch device may allow close contact of the second door to be released from the first door.
• the second door is opened by gripping the handle in a non-operation of the latch device, the first door and the second door may be opened and an access to the storage compartment may be allowed.
• the second door is opened by gripping the handle in an operation of the latch device, only the second door may be opened and an access to the opening may be allowed.
• FIG. 1 is a perspective view of a refrigerator in accordance with an embodiment of the present invention
• FIG. 2 is a perspective view of a state in which only a second door of FIG. 1 is opened;
• FIG. 5 is a view of a state in which the hinge unit, the first elastic lever, and a cam member of FIG. 4 are disassembled;
• FIG. 7 is a view of a state in which the first door and the second door of the refrigerator in accordance with the embodiment of the present invention are opened together;
• FIGS. 8 through 12 are views of an operation of closing the first door and the second door in the state of FIG. 7;
• FIG. 41 is a cross-sectional view of a state in which the reinforcement frame in accordance with the embodiment of the present invention is disposed in the first door;
• the roller 153 is maintained to be not in contact with the cam surface 161 of the cam member 160 in a state in which the first door 40 is fully opened, and when the roller 153 is in contact with the cam surface 161 while the first door 40 is closed, the first elastic lever 151 is compressed and accumulates an elastic force.
• both the upper and lower portions of the first door 40 may be in close contact with the main body 10 so that leakage of cold air may be effectively prevented.
• the second stopping member 190 includes a second fixed portion 191 fixed to the lower portion of the second door 50 by using the fastening member B, and a second stopper 193 that, when the second door 50 is opened, is in contact with the second contact portion 145 of the second lower hinge 140 and stops the second door 50 not to be opened any more.
• the second elastic lever 157 is placed in the lower portion of the first stopping member 180 so that a third insertion hole 159 may be inserted into the protrusion 46 and may fix the second elastic lever 157.
• the second elastic lever 157 is maintained not to be in contact with the elastic lever contact portion 135 of the first lower hinge 130.
• the handle 70 is coupled to a front side of the second door 50.
• the latch device 200 is coupled to a rear side of the handle 70 so that the second door 50 is fixed to the first door 40 and fixing of the second door 50 is released.
• the cover 215 is coupled to the rear side of the flow prevention portion 213 and prevents the insulating material U filled in the first door 40 from penetrating into the space formed between the insulating material U and the flow prevention portion 213.
• the cover 215 supports the rear side of the hanging portion 211 so that the hanging portion 211 fixed when the fixing protrusion 213b of the flow prevention portion 213 fixing holeis inserted into the fixing hole 211a fixing protrusionmay be prevented from escaping from the fixing protrusion 213b.
• a first coupling hole 73 into which the housing 221 is coupled, is disposed in the support accommodation portion 71, and a second coupling hole 221a is disposed in a position of the housing 221 corresponding to the first coupling hole 73 so that the housing 221 may be coupled to the support accommodation portion 71 by the fastening member B.
• the rear side of the first handle lever 231 is exposed to the outside through the opening 223a of the rear cover 223 and thus, a user may pressurize the rear side of the first handle lever 231 exposed to the outside forward by grasping the handle 70.
• the guide portion 223b causes the second handle lever 233 coupled to the housing 221 not to be exposed to the outside in the space between the handle 70 and the second door 50 to pass through the second door 50 so that the second handle lever 233 may be hung in the fixing unit 210 disposed in the first door 40 and hanging of the second handle lever 233 may be released.
• the rear cover 223 is coupled to the housing 221 by using the fastening member B through the third coupling hole 221d disposed in the housing 221 and the fourth coupling hole 223c disposed in the rear cover 223.
• the rotation shaft 235 is disposed in the handle lever 230.
• the rotation shaft 235 is rotatably coupled to the rotation hole 221b disposed in the housing 221 of the support 220 so that the handle lever 230 may be rotated.
• the first handle lever 231 When seeing from the rotation shaft 235, the first handle lever 231 is disposed to extend from the rotation shaft 235 downward so that the front side of the first handle lever 231 is accommodated in the housing 221 of the support 220.
• the spring S is disposed in the lower portion of the first handle lever 231, when the user pressurizes the first handle lever 231, the first handle lever 231 is rotated about the rotation shaft 235 backward and compresses the spring S and accumulates an elastic force.
• the second handle lever 233 is connected to the first handle lever 231.
• the second handle lever 233 is rotated about the rotation shaft 235 downward.
• the guide 240 is buried in the second door 50, communicates with the guide portion 223b disposed in the rear cover 223 of the support 220, and guides the second handle lever 233 to pass through the second door 50.
• the latch device 200 includes the housing 221 coupled to the handle 70, the handle lever 230 coupled to the housing 221, the fixing unit 210 buried in the first door 40, and the guide 240 buried in the second door 50.
• both ends of the handle 70 are configured to be inserted into and coupled to the coupling member 57 disposed at the front side of the second door 50 by using a sliding method.
• the latch device 200 Since the housing 221 and the handle lever 230 of the latch device 200 are coupled to the handle 70 and the fixing unit 210 and the guide 240 are buried in the first door 40 and the second door 50, respectively, by coupling the handle 70 to the second door 50, the latch device 200 may be used without performing a separate assembly operation so that the refrigerator may be put on the market in the state in which the handle 70 is separated from the second door 50 and then the user may couple the handle 70 to the second door 50 and use the refrigerator.
• the refrigerator may be put on the market in the state in which the handle 70 is separated from the second door 50, the refrigerator may be easily transported, and damage of the handle 70 when the refrigerator is transported may be prevented.
• the hanging protrusion 239 of the second handle lever 233 is hung in the hanging hook 211b of the fixing unit 210.
• the second door 50 is fixed to the first door 40, and the user opens the second door 50 by grasping the handle 70 so that the first door 40 and the second door 50 may be opened together.
• both the first door 40 and the second door 50 have small thicknesses.
• the first door 40 includes a cabinet 48 that constitutes an exterior, and an internal injection-molded body 49 that constitutes the sidewalls of the opening 41.
• the insulating material U is foamed between the cabinet 48 and the internal injection-molded body 49.
• the first door 40 Since the first door 40 has a small thickness and is disposed in a rectangular shape having the opening 41, insulating performance of the first door 40 may be reduced, and rigidity of the first door 40 is lowered so that the first door 40 may be deformed by the weight of the first door 40 and a load of a material stored in the door guard 33 disposed in the opening 41.
• fixing members 360 bent in a ‘ ⁇ ’ shape are inserted into and coupled to both ends of each of the upper reinforcement frame 351 and the lower reinforcement frame 353.
• first side reinforcement frame 355 and the second side reinforcement frame 357 may be fixed to the upper reinforcement frame 351 and the lower reinforcement frame 353 by using the fixing members 360.
• an auxiliary reinforcement frame 359 may be additionally disposed so as to further reinforce rigidity.
• the VIP V may be filled in the first door 40 so as to improve an insulating property of the first door 40.
• At least one lamp fixing member 310 is disposed between the cabinet 48 and the internal injection-molded body 49 so as to fix the lamp 320.
• the lamp 320 When the lamp 320 is seated on the seating portion 311, the lamp 320 is fixed to the seating portion 311 by using the plurality of fixing hooks 313.
• the ribs 315 may be disposed on the upper and right and left side edges of the lamp fixing member 310 so as to prevent the insulating material U from penetrating into the seating portion 311 through a space between the lamp fixing member 310 and the internal injection-molded body 49 when the insulating material U is foamed between the cabinet 48 and the internal injection-molded body 49 after the lamp fixing member 310 is fixed to the internal injection-molded body 49.
• the opening/closing detection sensor 330 disposed in the hinge unit 100 is connected to the electronic apparatus components 103, and the electronic apparatus components 103 and the lamp 320 are connected to each other by using the wire W so that the opening/closing detection sensor 330 may detect whether the first door 40 is opened/closed and may transfer the result of detection to the electronic apparatus components 103 and the electronic apparatus components 103 supply power to the lamp 320 by using the wire W or cut off the supply of power.
• the wire W that connects the electronic apparatus components 103 and the lamp 320 is connected to the electronic apparatus components 103 and is guided into the main body 10 through the first hinge hole 44, as illustrated in FIG. 45.
• the wire W guided into the main body 10 is guided by the wire guide portion 317 disposed in the lamp fixing member 310 and is connected to the lamp 320, as illustrated in FIG. 46.
• the sensor detection unit 340 is disposed in the upper portion of the second door 50, and the opening/closing detection sensor 330 detects a distance at which the sensor detection unit 340 is spaced apart from the opening/closing detection sensor 330, and causes power to be supplied to the lamp 320 or to cut off the supply of power depending on whether the second door 50 is opened/closed.
• the opening/closing detection sensor 330 detects closing of the first door 40 and transfers the result of detection to the electronic apparatus components 103.
• the electronic apparatus components 103 cut off power supplied to the lamp 320 by using the wire W.
• the opening/closing detection sensor 330 detects a distance at which the sensor detection unit 340 is spaced apart from the opening/closing detection sensor 330, and transfers the result of detection that the second door 50 is opened, to the electronic apparatus components 103, and the electronic apparatus components 103 supply power to the lamp 320 by using the wire W so that the lamp 320 may emit light.
• the opening/closing detection sensor 330 detects a distance between the opening/closing detection sensor 330 and the sensor detection unit 340 and transfers the result of detection that the second door 50 is closed, to the electronic apparatus components 103, and the electronic apparatus components 103 cut off power supplied to the lamp 320 by using the wire W.
• the freezer compartment door 60 is configured as a drawer type door that moves in the forward/backward direction by using the sliding method.
• a storing unit 400 is coupled to a rear side of the freezer compartment door 60.
• the storing unit 400 is inserted into and drawn from the inside of the freezer compartment 23 by using the sliding method.
• the tilting adjustment unit 450 inserted into the first tilting adjustment hole 447 and the second tilting adjustment hole 449 disposed in the rail coupling portion 443 is inserted in the upper portion of the rail coupling portion 443.
• the first fixing groove 433 and the second fixing groove 435 disposed in the slide rail 430 are disposed in a top surface of the slide rail 430, and a part of a bottom end of the tilting adjustment unit 450 inserted into the first tilting adjustment hole 447 and the second tilting adjustment hole 449 is inserted into the first fixing groove 433 and the second fixing groove 435 and is fixed thereto.
• the first fastening member insertion hole 475 is disposed in the center of the rail coupling portion 473.
• a first tilting adjustment hole 463 and a second tilting adjustment hole 465 into which the tilting adjustment unit 450 is inserted, are disposed in the slide rail 460 in the position corresponding to the front end and the rear end of the rail coupling portion 473.
• a first fixing groove 477 and a second fixing groove 479 into which the tilting adjustment unit 450 inserted into the first tilting adjustment hole 463 and the second tilting adjustment hole 465 is rotatably fixed to prevent from moving, are disposed in the rail coupling portion 473 in positions corresponding to the first tilting adjustment hole 463 and the second tilting adjustment hole 465.
• the tilting adjustment unit 450 inserted into the first tilting adjustment hole 463 and the second tilting adjustment hole 465 disposed in the slide rail 460 is inserted in the lower portion of the slide rail 460.
• the first fixing groove 477 and the second fixing groove 479 disposed in the rail coupling portion 473 are disposed in a bottom surface of the rail coupling portion 473, and a part of a top end of the tilting adjustment unit 450 inserted into the first tilting adjustment hole 463 and the second tilting adjustment hole 465 is inserted into the first fixing groove 477 and the second fixing groove 479 and is fixed thereto.
• FIGS. 45 through 47 An operation in which the hanger 470 is tilted from the slide rail 460 by using the tilting adjustment unit 450, is merely different from the operation illustrated in FIGS. 45 through 47 in positions of the first tilting adjustment hole 463 and the second tilting adjustment hole 465 and positions of the first fixing groove 477 and the second fixing groove 479. Since, when the tilting adjustment unit 450 inserted into the first tilting adjustment hole 463 is rotated, the hanger 470 is rotated about the second tilting adjustment hole 465 upward and when the tilting adjustment unit 450 inserted into the second tilting adjustment hole 465 is rotated, the hanger 470 is rotated about the first tilting adjustment hole 463 upward, a detailed description of the operation will be omitted.
• the first fastening member insertion hole 495 is disposed in the center of the rail coupling portion 493.
• a second tilting adjustment hole 497 into which the tilting adjustment unit 450 is inserted, is disposed in the rear end of the rail coupling portion 493, and a first tilting adjustment hole 483 into which the tilting adjustment unit 450 is inserted, is disposed in the slide rail 480 in a position corresponding to the front end of the rail coupling portion 493.
• the tilting adjustment unit 450 is inserted into a lower portion of the first tilting adjustment hole 483 disposed in the slide rail 480, and the tilting adjustment unit 450 is inserted into an upper portion of the second tilting adjustment hole 497 disposed in the rail coupling portion 493.
• the first fixing groove 499 disposed in the rail coupling portion 493 is disposed in a bottom surface of the rail coupling portion 493 so that a part of a top end of the tilting adjustment unit 450 inserted into the first tilting adjustment hole 483 may be inserted into and fixed into the first fixing groove 499.
• the second fixing groove 485 disposed in the slide rail 480 is disposed in a top surface of the slide rail 480 so that a part of a bottom end of the tilting adjustment unit 450 inserted into the second tilting adjustment hole 497 may be inserted into and fixed into the second fixing groove 485.
• FIGS. 45 through 47 An operation in which the hanger 490 is tilted from the slide rail 480 by using the tilting adjustment unit 450, is merely different from the operation illustrated in FIGS. 45 through 47 in positions of the first tilting adjustment hole 483 and the second tilting adjustment hole 497 and positions of the first fixing groove 499 and the second fixing groove 485. Since, when the tilting adjustment unit 450 inserted into the first tilting adjustment hole 483 is rotated, the hanger 490 is rotated about the second tilting adjustment hole 497 upward and when the tilting adjustment unit 450 inserted into the second tilting adjustment hole 497 is rotated, the hanger 490 is rotated about the first tilting adjustment hole 483 upward, a detailed description of the operation will be omitted.
• the second door 50 is provided with a handle 80 to which a latch device 500 is coupled to selectively open and close the first door 40 and the second door 50.
• the handle 80 includes a upper handle 81 and a lower handle 83, and the lower handle 83 is provided at a rear surface thereof with an opening 85 allowing the portion accommodated at an inside of the handle 80 to be protruded from the rear side of the handle 80.
• the latch device 500 includes a fixing unit 510 buried inside a front side of the first door 40, a support 520 coupled to the handle 80 while accommodated in the handle 80, a connection member 530 provided to be movable forward and backward at an inside of the handle 80, a handle lever 540 disposed on the rear side of the handle 80 and allowing the connection member 530 to move forward, a rotation unit 550 hung and released with/from the fixing unit 510 by being rotated by the connection member 530 leftward and rightward (when viewed at a front of the refrigerator), and a guide 560 buried inside the second door 50 to guide the rotation unit 550 to be hung and released with/from the fixing unit 510 by passing through the second door 50.
• the fixing unit 510 includes a hanging portion 511 in which a hanging hook 557 provided on a locking portion 555 of the rotation unit 550, which is to be described later, is hung and the hanging of which is released, and an accommodation portion 513 exposed to an outside of the front side of the first door 40 and opened at a front side thereof to form a space in which the locking portion 555 of the rotation unit 550 is movable leftward and rightward.
• the support 520 is coupled while accommodated in the handle 80, and the handle 80 is provided with an empty space at an inside thereof to accommodate the support 520.
• the support 520 includes a connection member coupling portion 521 to which the connection member 530 is coupled so as to be movable forward and backward, a rotation unit coupling portion 523 to which the rotation unit 550 is rotatably coupled, a handle reinforcing member 525 to reinforce the strength of the handle 80, a handle ring 527 coupled to the handle reinforcing member 525 such that the upper handle 81 is connected to the lower handle 83, and a guide portion 529 guiding to prevent the locking portion 555 of the rotation unit 550 exposed from the rear side of the handle 80 from being exposed to the outside.
• the guide portion 529 allows the locking portion 555 of the rotation unit 550 coupled to the rotation unit coupling portion 523 to be hung and released with/from the fixing unit 510 provided on the first door 40 by passing through the second door 50 without being exposed to the outside between the handle 80 and the second door 50.
• the guide portion 529 has a space formed in leftward and rightward directions allowing the locking portion 555 to move leftward and rightward.
• the guide portion 529 communicates with the guide 560 buried in the second door 50.
• connection member 530 includes a coupling protrusion 531 coupled to the connection member coupling portion 521 of the support 520 so as to be movable forward and backward, and a rotation unit coupling hole 533 to which the rotation unit 550 is coupled.
• the coupling protrusion 531 is inserted into the connection member coupling hole 521a so as to be movable forward and backward, and a fixing protrusion 541 of the handle lever 540, which will be described later, is fixed to a fixing hole 531a provided on the coupling hole 531, so that when a user pressurizes the handle lever 540 forward, the connection member 530 moves forward due to the fixing protrusion 541.
• a spring S is provided on outer circumferential surfaces of the coupling protrusion 531 and the fixing protrusion 541 and disposed between the handle lever 440 and the connection member coupling portion 521, and the spring S is compressed by the handle lever 540 when the connection member 540 is moved forward by the handle lever 540.
• the handle lever 540 is provided with the fixing protrusion 541, which is fixed to the coupling protrusion 531 of the connection member 530, and when a user pressurizes the handle lever 540 to move forward, the connection member 530 moves forward and thus the rotation unit 550 is rotated.
• the rotation unit 550 is connected to the connection member 530, and when the connection member 530 is moved forward and backward, is rotated leftward and rightward and thus hung and released with/from the hanging portion 511 of the fixing unit 510.
• the rotation unit 550 includes the shaft 551 rotatably coupled to the rotation unit coupling portion 523 of the support 520, the extension portion 553 bent at a lower portion of the shaft 551 and vertically downwardly extending to be coupled to the rotation unit coupling hole 533 of the connection member 530, and the locking unit 555 extending from an upper portion of the shaft 551 in perpendicular to an extension direction of the shaft 551.
• the shaft 551 is rotated by the connection member 530 that is rotatably coupled to the rotation unit coupling portion 523 and moved forward and backward.
• the extension portion 553 is bent at a lower portion of the shaft 551 and coupled to the connection member 530 by vertically and downwardly extending, the center of the shaft 551 is not coincide with the center of the extension portion 553 coupled to the connection member 530.
• the guide portion 560 is buried in the second door 50, and communicating with the guide portion 529 of the support 520 such that the locking portion 555 of the rotation unit 550 is guided to penetrate the second door 50.
• the locking portion 555 is rotated on the shaft 551 rightward when viewed at the front of the refrigerator.
• the user pressurizes the handle lever 540 forward while griping the handle 80 so that the locking portion 555 of the rotation unit 550 is rotated about the shaft 551 leftward when viewed at the front of the refrigerator. Accordingly, when the user closes the second door 500 and removes the hand with the locking portion 555 rotated leftward, the locking portion 555 of the rotation unit 550 is rotated about the shaft 551 rightward, so that the hanging hook 557 is hung with the hanging portion 511 of the fixing unit 510, thereby causing the second door 50 to be fixed to the first door 40.
• the second door 50 may be provided with a latch device 600 to selectively open and close the first door 40 and the second door 50.
• the fixing unit 610 includes an accommodation portion 611 buried in the front side of the first door 40 and having a front side thereof open, and a hanging protrusion 631 protruding upward from a lower portion of the accommodation portion 611.
• the accommodation portion 611 has the front side thereof open to accommodate a rear end of the locking portion 650 coupled to the support 620 buried in the second door 50.
• the hanging protrusion 613 is provided in the accommodation portion 611 so as to be hung and released with/from a hanging groove 655 provided at the rear end of the locking portion 650 that is configured to move upward and downward.
• An inclination surface 613a is provided at an upper end of a front side of the hanging protrusion 613, and when the second door 50 is closed, the rear end of the locking portion 650 rises and passes over the inclination surface 613a of the hanging protrusion 613 so that the hanging hole 655 of the locking portion 650 is hung with the hanging protrusion 611 of the fixing unit 610, thereby causing the second door 50 to be closed.
• An elastic member 615 may be provided at a rear wall of the accommodation portion 611 to push the locking portion 650 forward when the locking portion 650 is moved upward and released from being hung with the hanging protrusion 613, to open the second door 50.
• the support 620 is buried in the second door 50, and includes a rotation shaft 621 to which the pinion gear 640 is rotatably coupled, a rack coupling portion 623 to which the rack 630 is coupled to be movable forward and backward, and guide rails 625 allowing the locking portion 650 to move upward and backward.
• a spring S having one side thereof supported by the support 620 and the other side thereof supported by the rack 630 is provided at an outer circumferential surface of the rack coupling portion 623, and when the rack 630 is moved backward, the spring S is compressed to store an elastic force and the stored elastic enables the rack 630 to be moved forward.
• the guide rails 625 are provided corresponding to guide grooves 651 provided at both sides of the locking portion 650, to guide the locking portion 650 to move upward and downward.
• the rack 630 includes a coupling hole 631 coupled to a rack coupling portion 623 of the support 620 so as to be moved forward and backward, a first rack gear 633 engaged with the pinion gear 640, and a press portion 635 provided at a front end portion of the rack 630 and exposed forward of the second door 50.
• the first rack gear 633 is engaged with the pinion gear 640, and allows the pinion gear 640 to be rotated about the rotation shaft 621 when the rack 630 moves forward and backward.
• the press portion 635 is exposed forward of the second door 50 so as to be pressed by a user.
• the pinion gear 640 includes a rotation hole 621 rotatably coupled to the rotation shaft 621 provided on the support 620, and is disposed to be engaged with the first rack gear 633 of the rack 630 and a second rack gear 653 of the locking portion 650.
• the guide groove 651 is vertically recessed in a shape corresponding to the guide rail 621 provided on the support 620, allowing the locking portion 650 to be moved upward and downward.
• the locking portion 650 released from being hung with the hanging protrusion 613 is moved upward, to compress the elastic member 615 provided on the fixing unit 610.
• the locking portion 650 is moved forward together with the second door 50 due to the compressing force of the elastic member 615, thereby opening only the second door 50.
• the rear end of the locking portion 650 which has a circular shape, rises and passes over the inclination surface 613a provided on the hanging protrusion 613 of the fixing unit 610, so that the second door 50 is closed with the hanging protrusion 613 hung in the hanging hole 655 as shown in FIG. 68.
• the locking portion 650 is moved upward when a user pressurizes the press portion 635 to close the second door 50, and when the user removes the hand from the press portion after closing the second door 50, the rack 630 is moved forward by the elastic force of the spring S, and the locking portion 650 is moved downward, so that the hanging hole 655 is hung with the hanging protrusion 13.
• Each of the front side of the main body 10 and the front side of the first door 40 is formed of metal, and the first door 40 comes into close contact with the main body 10 by the first gasket G1, and the second door 50 comes into close contact with the first door 40 by the second gasket G2.
• the second magnet M2 accommodated in the second gasket G2 has a magnetic force greater than that of the first magnet M1 accommodated in the first gasket G1, so that the first door 40 and the second door 50 are open together with each other when a user opens the second door 50 by gripping the handle 90.
• the handle lever 720 is disposed on the rear side of the handle 90 while disposed on the rear side of the support 710.
• the handle lever 720 includes a first rack gear 721 provided to be movable forward and backward and engaged with the pinion gear 730.
• the pinion gear 730 is disposed between the handle lever 720 and the slider 740 to be engaged with the first rack gear 721 of the handle lever 720 and a second rack gear 741 of the slider 740.
• the pinion gear 730 allows the handle lever 720 and the slider 740 to linearly move in opposite directions to each other.
• the pinion gear 730 rotates clockwise, so that the slider 740 is moved backward, and when the handle lever 720 is moved backward, the pinion gear 730 is rotated counterclockwise, so that the slider 740 is moved forward.
• the slider 740 includes the second rack gear 741 provided to be movable forward and backward and engaged with the pinion gear 730.
• the slider 740 is guided by a guide 750 buried in the second door 50 so that a rear end portion of the slider 740 makes contact with the front side of the first door 40 by passing through the second door 50 when the second door 50 is closed.
• the slider 740 is moved in a direction opposite to a direction of the handle lever 720.
• the rear end portion of the slider 740 is maintained in contact with the front side of the first door 40 when the second door 50 is maintained closed.
• the first door 40 and the second door 50 are open together with each other when a user opens the second door 50 as shown in FIG. 74.

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• 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)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Refrigerator Housings (AREA)

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• 2014
  • 2014-07-29 KR KR1020140096638A patent/KR102332723B1/ko active IP Right Grant
• 2015
  • 2015-03-11 CN CN201811582231.2A patent/CN109668371B/zh active Active
  • 2015-03-11 AU AU2015230612A patent/AU2015230612B2/en active Active
  • 2015-03-11 EP EP20203876.6A patent/EP3789700A1/de active Pending
  • 2015-03-11 EP EP15761163.3A patent/EP3105519B1/de active Active
  • 2015-03-11 CN CN201580026958.0A patent/CN106415170B/zh active Active
  • 2015-03-11 CA CA2941235A patent/CA2941235C/en active Active
• 2021
  • 2021-11-25 KR KR1020210163939A patent/KR102373808B1/ko active IP Right Grant

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