Disclosed herein is a refrigerator including a cabinet (10) defining a first storage region (2) for storing food, a door (20) for opening and closing the first storage region (2), a gasket (26) which is provided on an inner surface of the door (20) and seals the first storage region (2) from outdoor
Disclosed herein is a refrigerator including a cabinet (10) defining a first storage region (2) for storing food, a door (20) for opening and closing the first storage region (2), a gasket (26) which is provided on an inner surface of the door (20) and seals the first storage region (2) from outdoor air by forming a sealing boundary when the door (20) closes the first storage region (2), a first hinge member (40) which has a rotary shaft (42) and rotatably connects the door (20) to the cabinet (10) out of the sealing boundary, a container (100) which defines a second storage region for storing food and is received in the first storage region (2), and a second hinge member (200) which is fixed, at one side thereof, to the container (100) within the sealing boundary while being rotatably connected, at the other side thereof, to the door (20), the second hinge member (200) having a rotary shaft (206) which is vertically and linearly aligned with the rotary shaft (42) of the first hinge member (40).
대표청구항▼
1. A refrigerator comprising: a cabinet defining a first storage region and configured to store food;a door rotatably connected to the cabinet and configured to open and close the first storage region;a gasket provided on an inner surface of the door and configured to define a sealing boundary that
1. A refrigerator comprising: a cabinet defining a first storage region and configured to store food;a door rotatably connected to the cabinet and configured to open and close the first storage region;a gasket provided on an inner surface of the door and configured to define a sealing boundary that seals the first storage region from outdoor air in a state in which the door closes the first storage region;a first hinge member that comprises a first rotary shaft and that is configured to rotatably connect the door to the cabinet about the first rotary shaft, wherein the first rotary shaft is positioned at an outer side of the sealing boundary towards a front surface of the door;a container defining a second storage region configured to store food, the container configured to rotate relative to the door and relative to the cabinet such that the container is configured to be received within the first storage region of the cabinet; anda second hinge member that comprises a second rotary shaft and that is configured to rotatably connect the container to the cabinet about the second rotary shaft, wherein: a first end of the second hinge member is fixedly attached to the container at a fixed portion that is positioned at an inner side of the sealing boundary towards the inner surface of the door,a second end of the second hinge member is rotatably connected to the door about the second rotary shaft, andthe second rotary shaft of the second hinge member is vertically aligned with the first rotary shaft of the first hinge member at the outer side of the sealing boundary. 2. The refrigerator according to claim 1, wherein the second hinge member is configured such that the container is rotatable relative to the door of the refrigerator, the second hinge member comprising: a rotation portion that comprises the second rotary shaft of the second hinge member and that is rotatably connected to the door; anda connection portion connecting the rotation portion to the fixed portion. 3. The refrigerator according to claim 2, wherein the second hinge member is configured such that, in a state in which the container is received within the first storage region and the door closes the first storage region, the connection portion of the second hinge member extends from the inner side of the sealing boundary to the outer side of the sealing boundary. 4. The refrigerator according to claim 2, wherein the second hinge member is configured such that a horizontally spaced distance between the rotation portion and a portion of the connection portion furthest from the rotation portion is longer than a horizontally spaced distance between the rotation portion and the fixed portion. 5. The refrigerator according to claim 2, wherein: the gasket of the door follows a rotation trajectory as the door rotates about the first rotary shaft, andthe connection portion of the second hinge member comprises: a first extension portion extending from the rotation portion in a direction towards a front surface of the door;a second extension portion extending from the fixed portion in a direction towards the front surface of the door; anda third extension portion connecting the first extension portion to the second extension portion,wherein the first extension portion is horizontally angled toward the second extension portion, andwherein the second extension portion comprises a curved portion that is curved to correspond to a rotation trajectory of the gasket as the door rotates about the first rotary shaft in a stationary state of the second hinge member of the container. 6. The refrigerator according to claim 2, wherein the door is provided with a receiving portion configured to receive a portion of the connection portion and the rotation portion. 7. The refrigerator according to claim 6, wherein the door is provided with an opening portion through which the portion of the connection portion passes based on the door rotating relative to the container. 8. The refrigerator according to claim 7, wherein the opening portion through which the portion of the connection portion passes is located at the inner side of the sealing boundary. 9. The refrigerator according to claim 7, wherein the opening portion through which the portion of the connection portion passes is provided with an opening-and-closing member configured to elastically open and close the opening portion such that, based on the door being opened, the opening-and-closing member is unfolded by elasticity so as to cover the opening portion, and, based on the door being closed, the opening-and-closing member is compressed by the second hinge member so as to enter an inside of the opening portion. 10. The refrigerator according to claim 7, wherein, in a state in which the container is received within the first storage region and the door rotatably opens, the container is maintained within the first storage region until the door is opened by more than a predetermined angle at which interference is generated between the opening portion and the second hinge member. 11. The refrigerator according to claim 10, wherein one side of the opening portion through which the portion of the connection portion passes is provided with a clearance-maintaining portion made of an elastic material, and the clearance maintaining portion is configured to be elastically deformed during generation of the interference between the opening portion and the second hinge member. 12. The refrigerator according to claim 7, wherein the receiving portion extends from the opening portion to the outer side of the sealing boundary. 13. The refrigerator according to claim 6, wherein the door comprises: an inside panel defining an inside surface of the door;an outside panel defining an outside surface of the door;a foam thermal insulator provided between the inside panel and the outside panel; anda reinforced thermal insulator provided parallel to the foam thermal insulator between the receiving portion and the outside panel and having a thermal conductivity that is lower than a thermal conductivity of the foam thermal insulator. 14. The refrigerator according to claim 13, wherein the reinforced thermal insulator is a vacuum thermal insulator that has a plate shape, and the reinforced thermal insulator is pressed against an inner surface of the outside panel. 15. The refrigerator according to claim 14, wherein the reinforced thermal insulator extends from a front surface of the door to a side surface thereof so as to enclose a receiving space of the receiving portion. 16. The refrigerator according to claim 1, wherein the first hinge member is located at the outer side of the sealing boundary. 17. The refrigerator according to claim 1, wherein a vertical axis of rotation of the first rotary shaft of the first hinge member and a vertical axis of rotation of the second rotary shaft of the second hinge member are located along a common vertical line. 18. The refrigerator according to claim 1, further comprising a latch configured to selectively couple the container to the door, wherein the container and the door are configured to be opened together during coupling therebetween through the latch, andwherein the door is configured to be opened while the container is maintained within the first storage region during decoupling therebetween through the latch. 19. The refrigerator according to claim 1, wherein the container further comprises a fixing device configured to selectively couple the container to the cabinet in a state in which the container is received within the first storage region, the fixing device being provided at an upper portion of the container at a horizontal side of the container opposite to the second hinge member so as to additionally support, together with the second hinge member, the container within the first storage region. 20. The refrigerator according to claim 1, wherein the second hinge member comprises a vertical plate-shaped member such that a vertical width of the plate-shaped member is greater than a horizontal thickness of the plate-shaped member. 21. The refrigerator according to claim 1, further comprising a support member fixed to the door and configured to distribute, to at least one of the door or the first hinge member, a load caused by the container that is applied to the second hinge member. 22. A refrigerator comprising: a cabinet defining a first storage region configured to store food;a door rotatably connected to the cabinet and configured to open and close the first storage region;a first hinge member rotatably connecting the door to the cabinet;a gasket provided on an inner surface of the door and configured to define a sealing boundary that seals the first storage region from outdoor air in a state in which the door closes the first storage region;a container defining a second storage region configured to store food, the container configured to rotate relative to the door and to the cabinet such that the container is received in the first storage region at an inner side of the sealing boundary towards the inner surface of the door; anda second hinge member rotatably connected to the door and fixedly connected to the container at the inner side of the sealing boundary and configured to rotate the container relative to the door and to the cabinet,wherein a rotation trajectory space region defined by a rotation of the container relative to the door is configured to be within a rotation trajectory space region defined by a rotation of the door relative to the cabinet, such that the container is received in the first storage region in a state in which the door closes the first storage region. 23. A refrigerator comprising: a cabinet having at least one storage chamber configured to store food;at least one door configured to rotate relative to the cabinet and configured to open and close the at least one storage chamber, the at least one door having a gasket configured to define a sealing boundary between the at least one door and the cabinet;a first hinge member that comprises a first rotary shaft and that is configured to rotatably connect the at least one door to the cabinet about the first rotary shaft, wherein the first rotary shaft is located at an outer side of the sealing boundary towards an outer surface of the at least one door;a container defining an auxiliary storage region configured to be selectively separable from the at least one storage chamber of the cabinet, the container configured to be received within the at least one storage chamber of the cabinet; and a second hinge member configured to rotatably support the container to rotate relative to the at least one door and relative to the cabinet, wherein:a first end of the second hinge member is fixed to the container, and a second end of the second hinge member is rotatably connected to the at least one door at a second rotary shaft defining a vertical axis of rotation of the container relative to the at least one door,the first rotary shaft of the first hinge member is vertically aligned with the second rotary shaft of the second hinge member,in a state in which the at least one door is closed and the container is received within the at least one storage chamber of the cabinet, the container is located at an inner side of the sealing boundary towards an inner surface of the at least one door, and the gasket of the at least one door contacts a front surface of the cabinet so as to seal the at least one storage chamber of the cabinet with the auxiliary storage region of the container, andin a state in which the at least one door is opened, the container is configured to be selectively decoupled from the cabinet such that the container is either decoupled from the cabinet simultaneously with the at least one door or decoupled from the cabinet independently of the at least one door. 24. A refrigerator comprising: a cabinet having at least one storage chamber configured to store food;a first hinge member comprising a first fixed portion at a first end thereof and a first rotation portion at a second end thereof, the first fixed portion being fixedly supported by the cabinet;at least one door having an outer surface facing away from the at least one storage chamber and an inner surface facing towards the at least one storage chamber in a state in which the at least one door closes the at least one storage chamber, the at least one door being rotatably connected to a rotary shaft of the first hinge member to open and close the at least one storage chamber, and having a gasket defining a sealing boundary on the inner surface of the at least one door in a state in which the at least one door closes the at least one storage chamber;a container defining an auxiliary storage region configured to be selectively separated from the at least one storage chamber, the container configured to be received within the at least one storage chamber of the cabinet;a second hinge member comprising a second fixed portion at a first end thereof, a second rotation portion at a second end thereof, and a connection portion connecting the second fixed portion and the second rotation portion, the second fixed portion being fixedly supported by the container, and the second rotation portion being rotatably connected to the at least one door; anda second hinge member receiving portion provided in the at least one door, the second hinge member receiving portion having, at a front portion thereof, an opening portion defined by a recess in the inner surface of the at least one door at an inner side of the sealing boundary towards the inner surface of the at least one door, the second hinge member receiving portion comprising: a first side wall portion extending to enclose the gasket from a first side of the opening portion,a rear wall portion extending in a horizontal direction from the first side wall portion, a second side wall portion extending from the rear wall portion to a second side of the opening portion, andan upper side wall portion and a lower side wall portion defining the opening portion together with the first side wall portion and the second side wall portion,the second hinge member receiving portion having a seating portion at a position adjacent to the first side wall portion in which the second rotation portion of the second hinge member is supported rotatably, and the second hinge member receiving portion accommodating a portion of the connection portion of the second hinge member during rotation of the second hinge member relative to the at least one door, wherein: in a state in which the at least one door is closed, the container is positioned at the inner side of the sealing boundary and received in the at least one storage chamber of the cabinet and the gasket of the at least one door contacts a front surface of the cabinet so as to seal the at least one storage chamber of the cabinet with the auxiliary storage region of the container, andthe container is configured to be selectively decoupled from the cabinet such that the container is either decoupled from the cabinet simultaneously with the at least one door or decoupled from the cabinet independently of the at least one door; andin a state in which the at least one door is rotated relative to the container while the container remains coupled to the cabinet, the portion of the connection portion that is accommodated in the second hinge member receiving portion moves away from the second side wall portion of the second hinge member receiving portion in a direction towards the first side wall portion of the second hinge member receiving portion and the container is maintained in a state of being received in the at least one storage chamber until the portion of the connection portion that is accommodated in the second hinge member receiving portion comes into contact with the first side wall portion of the second hinge member receiving portion. 25. The refrigerator according to claim 24, wherein, in a state in which the connection portion of the second hinge member comes into contact with the first side wall portion of the second hinge member receiving portion, an angle at which the at least one door is opened relative to the container corresponds to a maximum opening angle at which the at least one door can be opened while the container is received within the at least one storage chamber of the cabinet. 26. The refrigerator according to claim 24, wherein: the connection portion of the second hinge member is a bent plate-shaped member with a first vertical surface and a second vertical surface, the first vertical surface facing toward the gasket and the second vertical surface facing toward at least one of the rear wall portion of the second hinge member receiving portion or the second side wall portion of the second hinge member receiving portion; andthe container and the at least one door are rotatable independently of each other between a first rotation position in which the first vertical surface of the connection portion of the second hinge member is adjacent to the first side wall portion of the second hinge member receiving portion and a second rotation position in which the second vertical surface of the connection portion is adjacent to at least one of the rear wall portion of the second hinge member receiving portion or the second side wall portion of the second hinge member receiving portion. 27. The refrigerator according to claim 26, wherein, in the first rotation position in which the first vertical surface of the connection portion comes into contact with the first side wall portion, the at least one door is opened relative to the container by a maximum angle. 28. The refrigerator according to claim 27, further comprising a fixing device provided at one side of an upper portion of the container so as to selectively couple the container to the cabinet, wherein the fixing device is configured to maintain the container in a state of being received within the at least one storage chamber of the cabinet as the first vertical surface of the connection portion of the second hinge member comes into contact with the first side wall portion of the second hinge member receiving portion and while force is applied from the first side wall portion to the second hinge member in a direction in which the at least one door is opened. 29. The refrigerator according to claim 27, further comprising a stopper provided between the at least one door and the cabinet, the stopper configured to stop an opening of the at least one door in a state in which the first vertical surface of the connection portion of the second hinge member comes into contact with the first side wall portion of the second hinge member receiving portion. 30. The refrigerator according to claim 27, wherein the maximum opening angle of the at least one door relative to the container is within a range of 90° to 110°. 31. The refrigerator according to claim 26, wherein a maximum opening angle of the at least one door relative to the container is smaller than a maximum opening angle of the at least one door relative to the cabinet. 32. The refrigerator according to claim 24, wherein the first side wall portion of the second hinge member receiving portion comprises a clearance maintaining portion that defines a gap between the second hinge member and the gasket so as to prevent the second hinge member from contacting directly with the gasket. 33. The refrigerator according to claim 32, wherein the connection portion of the second hinge member comprises: a first extension portion extending from the second rotation portion in a direction towards a front surface of the at least one door,a second extension portion extending from the second fixed portion in a direction towards the front surface of the at least one door, anda third extension portion extending in a bent manner from the second extension portion to connect with the first extension portion. 34. The refrigerator according to claim 33, wherein a portion of the first side wall portion of the second hinge member receiving portion extends beyond the gasket from the inner side of the sealing boundary into a portion between the outer surface of the at least one door and the inner surface of the at least one door. 35. The refrigerator according to claim 33, wherein the second extension portion of the connection portion is horizontally spaced apart from the second rotation portion of the second hinge member by a first distance. 36. The refrigerator according to claim 35, wherein the second extension portion comprises a curved portion that is concave and bends inwards towards the first rotation portion of the first hinge member. 37. The refrigerator according to claim 36, wherein the curved portion of the second extension portion extends along a rotation trajectory of the gasket of the at least one door. 38. The refrigerator according to claim 33, wherein the second rotation portion of the second hinge member and the second extension portion of the second hinge member are spaced apart such that a first distance from the second rotation portion to a first end of the second extension portion that is adjacent to the second fixed portion of the second hinge member is different than a second distance from the second rotation portion to a second end of the second extension portion that is adjacent to the third extension portion of the second hinge member. 39. The refrigerator according to claim 33, wherein a distance from the second fixed portion of the second extension portion to the second rotation portion of the second hinge member in the outer surface direction of the at least one door is smaller than a distance from the second fixed portion of the second hinge member of the second extension portion to a portion that is bent and extends to the third extension portion. 40. The refrigerator according to claim 33, wherein, in a maximally opened state of the at least one door relative to the container, the third extension portion of the second hinge member contacts the clearance maintaining portion. 41. The refrigerator according to claim 40, wherein: the clearance maintaining portion comprises an elastic member, andthe opening angle of the at least one door relative to the container is varied according to a range of elasticity of the clearance maintaining portion. 42. The refrigerator according to claim 32, wherein the clearance maintaining portion encloses the gasket, and a first vertical wall of the second hinge member contacts the clearance maintaining portion. 43. The refrigerator according to claim 24, wherein: the gasket is fixedly inserted to the inner side of the at least one door,the second rotation portion of the second hinge member is rotatably provided in the second hinge member receiving portion at a position adjacent to the first side wall portion, anda center of the second rotation portion of the second hinge member is located at a position over a center of the first fixed portion of the first hinge member. 44. The refrigerator according to claim 43, wherein the first rotation portion of the first hinge member is vertically aligned with the second rotation portion of the second hinge member and is located at an outer side of the sealing boundary towards the outer surface of the at least one door. 45. The refrigerator according to claim 44, further comprising a connection member connected to the second hinge member and provided within a thermal insulator that fills a space between the outer surface of the at least one door and the inner surface of the at least one door. 46. The refrigerator according to claim 45, wherein the connection member is coupled to the second hinge member receiving portion in which the second rotation portion of the second hinge member is rotatably provided. 47. The refrigerator according to claim 45, wherein the connection member extends in a vertical direction between the outer surface of the at least one door and the inner surface of the at least one door, and the connection member comprises at least one planar portion that is substantially parallel with the outer surface of the at least one door. 48. The refrigerator according to claim 47, wherein the connection member further comprises a bending portion that is bent from the at least one planar portion to substantially intersect with the outer surface of the at least one door. 49. The refrigerator according to claim 47, wherein the connection member is provided with a recess defined in the at least one planar portion. 50. The refrigerator according to claim 47, wherein the connection member comprises at least one through-hole in the planar portion, the at least one through-hole configured to provide an opening for the thermal insulator to be inserted to fill the space between the outer surface of the at least one door and the inner surface of the at least one door. 51. The refrigerator according to claim 45, wherein the connection member extends in a vertical direction between the outer surface of the at least one door and the inner surface of the at least one door, and the connection member comprises at least one planar portion that substantially intersects with the outer surface of the at least one door. 52. The refrigerator according to claim 45, wherein the second hinge member comprises an upper second hinge member and a lower second hinge member, the upper second hinge member and the lower second hinge member being rotatably supported at the inner side of the sealing boundary, and the connection member being connected to each of the upper second hinge member and the lower second hinge member. 53. The refrigerator according to claim 45, wherein the first rotation portion of the first hinge member is rotatably connected to the connection member. 54. The refrigerator according to claim 44, wherein at least a portion of the second rotation portion of the second hinge member overlaps with a portion of the first rotation portion of the first hinge member in a vertical direction.
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이 특허에 인용된 특허 (3)
Kim, Dong-Jeong; Lee, Wook-Yong, Hinge assembly and refrigerator having the same.
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