Patent Publication Number: US-11047611-B2

Title: Refrigerator

Description:
CROSS-REFERENCE TO RELATED APPLICATION 
     This application is based on and claims priority under 35 U.S.C. § 119 to Korean Patent Application No. 10-2018-0143133 filed on Nov. 20, 2018 in the Korean Intellectual Property Office, the disclosure of which is incorporated by reference herein in its entirety. 
     BACKGROUND 
     1. Field 
     The disclosure relates to a refrigerator, and more particularly, to a refrigerator including a storage guard capable of being automatically pulled out in response to opening of a door. 
     2. Description of Related Art 
     In general, a refrigerator is a device that provides cold air generated by a refrigeration cycle composed of a compressor, a condenser, an expansion valve, and an evaporator, to lower a temperature of an inside of the device, thereby freezing or refrigerating food 
     The refrigerator may include a storage guard provided to store food. For example, the storage guard may be installed in a door of the refrigerator. 
     The storage guard may be configured to be pulled out in a forward direction of the refrigerator so that a user may easily access the storage guard. However, it may be inconvenient for the user to manually pull out the storage guard after opening the door. 
     SUMMARY 
     Therefore, it is an aspect of the disclosure to provide a refrigerator including a storage guard mover capable of automatically pulling out or inserting a storage guard in response to opening or closing of a door. 
     It is another aspect of the disclosure to provide a refrigerator including a storage guard mover capable of pulling out a storage guard in response of opening of a door at a predetermined angle or more. 
     It is another aspect of the disclosure to provide a refrigerator capable of opening and closing of a door and pulling out and inserting a storage guard without interference with each other. 
     Additional aspects of the disclosure will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the disclosure. 
     In accordance with an aspect of the disclosure, a refrigerator includes a body including a storage compartment, a first door arranged in front of the body and including an opening, a second door arranged in front of the first door and configured to open and close the opening of the first door, a storage guard configured to be pulled out in front of the first door and inserted into the rear of the first door, and mounted to the first door, and a storage guard mover configured to pull out the storage guard to the front of the first door in response to opening of the second door at a predetermined angle or more, and configured to insert the storage guard into the rear of the first door in response to opening of the second door at an angle less than the predetermined angle. The storage guard mover includes a pusher provided in the second door and configured to be rotated together with the second door, and a guide configured to be moved in a first direction to pull out the storage guard from the first door or to be moved in a second direction opposite to the first direction to insert the storage guard into the first door, and the guide has a fixed position when the pusher is rotated at an angle less than the predetermined angle. 
     The guide may include a contact surface provided to be in contact with the pusher and the contact surface may include a first section in which a position of the guide is fixed when the pusher is rotated at an angle less than the predetermined angle, and a second section in which the guide is moved in the first direction or the second direction when the pusher is rotated at the predetermined angle or more. 
     The first section may include a curved surface having an arc of a circle, and the second section may include a plane having a straight shape. 
     The first section may have an arc of a circle having a radius corresponding to a distance from a rotation axis of the pusher to an end portion of the pusher. 
     The storage guard mover may further include a slider configured to be moved in the second direction or the first direction when the guide is moved in the first direction or the second direction. 
     The storage guard mover may further include a gear disposed between the guide and the slider, and when any one of the guide and the slider is moved, the gear may transmit power to move the other of the guide and the slider. 
     The storage guard mover may further include a link rotatably coupled to the slider and configured to be rotated when the slider is moved in the first direction or the second direction. 
     A rotation direction of the link when the slider is moved in the first direction and a rotation direction of the link when the slider is moved in the second direction may be opposite to each other. 
     The storage guard mover may further include an elastic member configured to accumulate an elastic force when the second door is closed, and configured to provide the elastic force to move the slider when the second door is opened at the predetermined angle or more. 
     The refrigerator may further include a bracket fixed to the first door to support the storage guard. 
     The link may further include a shaft corresponding to the rotation axis of the link, and the shaft may be connected to the bracket to be rotatable relative to the bracket. 
     The storage guard mover may further include an elastic member case in which the elastic member is placed and configured to be moved in the first direction or the second direction by the elastic force of the elastic member. 
     One end of the elastic member may be connected to the bracket, and the other end of the elastic member may be connected to the elastic member case. 
     Each of the guide and the slider may include a rack gear configured to engage with the gear. 
     In accordance with another aspect of the disclosure, a refrigerator includes a body including a storage compartment, an inner door arranged in front of the body and including an opening, an outer door arranged in front of the inner door and configured to open and close the opening of the inner door, a storage guard configured to be pulled out from the inner door in a first direction and inserted into the inner door in a second direction opposite to the first direction, and mounted to the inner door, a pusher configured to be rotated together with the outer door, a guide configured to be moved in the first direction or the second direction according to the rotation of the pusher, a slider configured to be moved in the second direction or the first direction when the guide is moved in the first direction or the second direction, and a link connected to the slider so as to move the storage guard. 
     The guide may include a contact surface provided to be in contact with the pusher, and the contact surface may include a first section in which a position of the guide is fixed when the pusher is rotated at an angle less than a predetermined angle, and a second section in which the guide is moved in the first direction or the second direction when the pusher is rotated at the predetermined angle or more. 
     The first section may have an arc of a circle having a radius corresponding to a distance from a rotation axis of the pusher to an end portion of the pusher. 
     The storage guard mover may further include an elastic member configured to accumulate an elastic force when the outer door is closed, and configured to provide the elastic force to move the slider to the second direction when the outer door is opened at the predetermined angle or more 
     The storage guard mover may further include a gear disposed between the guide and the slider, and when any one of the guide and the slider is moved, the gear may transmit power to move the other of the guide and the slider. 
     In accordance with another aspect of the disclosure, a refrigerator includes a body including a storage compartment, a door coupled to the body to open and close the storage compartment, a storage guard arranged in the storage compartment, and a storage guard mover configured to pull out the storage guard from the storage compartment or insert the storage guard into the storage compartment in response to opening and closing of the door. The storage guard mover includes a pusher configured to be rotated together with the door, and a guide configured to be moved in a first direction when the door is opened and configured to be moved in a second direction opposite to the first direction when the door is closed, and the guide has a fixed position when the door is rotated at an angle less than a predetermined angle from a closed state. 
     Before undertaking the DETAILED DESCRIPTION below, it may be advantageous to set forth definitions of certain words and phrases used throughout this patent document: the terms “include” and “comprise,” as well as derivatives thereof, mean inclusion without limitation; the term “or,” is inclusive, meaning and/or; the phrases “associated with” and “associated therewith,” as well as derivatives thereof, may mean to include, be included within, interconnect with, contain, be contained within, connect to or with, couple to or with, be communicable with, cooperate with, interleave, juxtapose, be proximate to, be bound to or with, have, have a property of, or the like; and the term “controller” means any device, system or part thereof that controls at least one operation, such a device may be implemented in hardware, firmware or software, or some combination of at least two of the same. It should be noted that the functionality associated with any particular controller may be centralized or distributed, whether locally or remotely. 
     Moreover, various functions described below can be implemented or supported by one or more computer programs, each of which is formed from computer readable program code and embodied in a computer readable medium. The terms “application” and “program” refer to one or more computer programs, software components, sets of instructions, procedures, functions, objects, classes, instances, related data, or a portion thereof adapted for implementation in a suitable computer readable program code. The phrase “computer readable program code” includes any type of computer code, including source code, object code, and executable code. The phrase “computer readable medium” includes any type of medium capable of being accessed by a computer, such as read only memory (ROM), random access memory (RAM), a hard disk drive, a compact disc (CD), a digital video disc (DVD), or any other type of memory. A “non-transitory” computer readable medium excludes wired, wireless, optical, or other communication links that transport transitory electrical or other signals. A non-transitory computer readable medium includes media where data can be permanently stored and media where data can be stored and later overwritten, such as a rewritable optical disc or an erasable memory device. 
     Definitions for certain words and phrases are provided throughout this patent document, those of ordinary skill in the art should understand that in many, if not most instances, such definitions apply to prior, as well as future uses of such defined words and phrases. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       For a more complete understanding of the present disclosure and its advantages, reference is now made to the following description taken in conjunction with the accompanying drawings, in which like reference numerals represent like parts: 
         FIG. 1  illustrates a perspective view of a refrigerator according to an embodiment of the disclosure; 
         FIG. 2  illustrates a perspective view of the refrigerator being opened at an angle less than a predetermined angle, in the refrigerator according to an embodiment of the disclosure; 
         FIG. 3  illustrates a perspective view of the refrigerator being opened at the predetermined angle or more, in the refrigerator according to an embodiment of the disclosure; 
         FIG. 4  illustrates a bottom perspective view of a refrigerator door according to an embodiment of the disclosure; 
         FIG. 5  illustrates an exploded perspective view of the refrigerator door according to an embodiment of the disclosure; 
         FIG. 6  is a plan view illustrating an operation of a storage guard mover in the refrigerator according to an embodiment of the disclosure; 
         FIG. 7  is a plan view illustrating the operation of the storage guard mover in the refrigerator according to an embodiment of the disclosure; 
         FIG. 8  is a plan view illustrating the operation of the storage guard mover in the refrigerator according to an embodiment of the disclosure; 
         FIG. 9  is a plan view illustrating the operation of the storage guard mover in the refrigerator according to an embodiment of the disclosure; 
         FIG. 10  is a view illustrating an operation of an elastic member when a storage guard is pulled out or inserted into in the refrigerator according to an embodiment of the disclosure; and 
         FIG. 11  is a view illustrating the operation of the elastic member when the storage guard is pulled out or inserted into in the refrigerator according to an embodiment of the disclosure. 
     
    
    
     DETAILED DESCRIPTION 
       FIGS. 1 through 11 , discussed below, and the various embodiments used to describe the principles of the present disclosure in this patent document are by way of illustration only and should not be construed in any way to limit the scope of the disclosure. Those skilled in the art will understand that the principles of the present disclosure may be implemented in any suitably arranged system or device. 
     Embodiments described in the disclosure and configurations shown in the drawings are merely examples of the embodiments of the disclosure, and may be modified in various different ways at the time of filing of the present application to replace the embodiments and drawings of the disclosure. 
     Also, the terms used herein are used to describe the embodiments and are not intended to limit and/or restrict the disclosure. The singular forms “a,” “an” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise. In this disclosure, the terms “including”, “having”, and the like are used to specify features, numbers, steps, operations, elements, components, or combinations thereof, but do not preclude the presence or addition of one or more of the features, elements, steps, operations, elements, components, or combinations thereof. 
     It will be understood that, although the terms first, second, third, etc., may be used herein to describe various elements, but elements are not limited by these terms. These terms are only used to distinguish one element from another element. For example, without departing from the scope of the disclosure, a first element may be termed as a second element, and a second element may be termed as a first element. 
     Hereinafter with reference to the accompanying drawings an embodiment according to the disclosure will be described in detail. Hereinafter a first door may represent an inner door. A second door may represent an outer door. In addition, a first direction may represent the front of the refrigerator, and a second direction may represent the rear of the refrigerator. 
       FIG. 1  illustrates a perspective view of a refrigerator according to an embodiment of the disclosure.  FIG. 2  illustrates a perspective view of the refrigerator being opened at an angle less than a predetermined angle, in the refrigerator according to an embodiment of the disclosure.  FIG. 3  illustrates a perspective view of the refrigerator being opened at the predetermined angle or more, in the refrigerator according to an embodiment of the disclosure. 
     Referring to  FIG. 1 , in a refrigerator  1  according to an embodiment of the disclosure, a storage compartment may be provided in an upper portion and a lower portion of a body  10 , respectively. The refrigerator  1  may include a plurality of doors  11  and  12  configured to open and close an upper storage compartment and a pair of doors  13  and  14  configured to open and close a lower storage compartment. The upper storage compartment may be provided as a refrigerating compartment, and the lower storage compartment may be provided as a freezing compartment. However, this is merely an example, and the arrangement of the refrigerator door or the arrangement of the storage compartment is not limited thereto. 
     Referring to  FIGS. 2 and 3 , the refrigerator  1  may include the body  10  including a storage compartment  20 , a first door  30  arranged in front of the body  10  and provided with an opening  31 , and a second door  40  arranged in front of the first door  30  and configured to open and close the opening  31  of the first door  30 . 
     The first door  30  may be rotatably coupled to the body  10 . The first door  30  may be configured to open and close a part of the storage compartment  20 . 
     The second door  40  may be rotatably coupled to the body  10 . The second door  40  may be arranged in front of the first door  30 . The second door  40  may be configured to open and close the opening  31  of the first door  30 . The second door  40  may be configured to open and close the opening  31  when the first door  30  is closed. A user may access a storage guard  50  of the first door  30  by opening only the second door  40 . Through this, it is possible to reduce the leakage of cold air from the storage compartment  20  and to increase the energy efficiency of the refrigerator. 
     The storage guard  50  may be mounted to the first door  30 . The storage guard  50  may be mounted to the first door  30  to cross the opening  31 . The storage guard  50  may be provided to store food. The storage guard  50  may include a plurality of storage guards. The plurality of storage guards may be arranged side by side in the vertical direction on the first door  30 . 
     In general, a storage guard may be fixed to the inside of a first door or a body. When the storage guard is fixed to the inside of the first door or the body, it may be inconvenient for a user to access the storage guard. In order to improve this, the storage guard may be configured to be pulled out or inserted into. However, it may still be inconvenient because the user has to manually pull out or insert the storage guard. 
     According to the disclosure, the storage guard  50  may be configured to be pulled out in front of the first door  30  or inserted into the rear of the first door  30 . Particularly, according to the disclosure, the storage guard  50  may be automatically pulled out in front of the first door  30  in response to opening of the second door  40 , and automatically inserted into the rear side of the first door  30  in response to closing of the second door  40 . Accordingly, access to the storage guard is convenient, and the usability of the refrigerator may be improved. 
     According to the disclosure, the storage guard  50  may be configured to be pulled out in front of the first door  30  in response to opening of the second door  40  at a predetermined angle or more. Referring to  FIG. 2 , when the second door  40  is opened at an angle less than the predetermined angle, the storage guard  50  may not be pulled out in front of the first door  30 . Referring to  FIG. 3 , in response to opening of the second door  40  at the predetermined angle or more, the storage guard  50  may be pulled out in front of the first door  30 . 
     According to the disclosure, because the storage guard  50  is not pulled out until the second door  40  is opened at a predetermined angle or more, the pull out of the storage guard  50  may be not interfered by the opening of the second door  40  even if the second door  40  is suddenly opened. Further, even if the second door  40  is suddenly closed, the insertion of the storage guard  50  may be not interfered by the closing of the second door  40 . 
       FIG. 4  illustrates a bottom perspective view of a refrigerator door according to an embodiment of the disclosure.  FIG. 5  illustrates an exploded perspective view of the refrigerator door according to an embodiment of the disclosure. 
     Hereinafter an internal structure of the refrigerator door according to an embodiment of the disclosure will be briefly described with reference to  FIGS. 4 and 5 . 
     The refrigerator  1  may include a storage guard mover  100  configured to pull out or insert into the storage guard  50  in response to opening and closing of the second door  40 . 
     Referring to  FIG. 4 , the storage guard mover  100  may include a pusher  110  installed on the second door  40  and configured to be rotatable together with the second door  40 , and a guide  120  installed on the first door  30  and configured to be moved back and forth according to the rotation of the pusher  110 . 
     When the guide  120  is moved forward, the storage guard  50  may be pulled out in front of the first door  30 . When the guide  120  is moved forward and then moved backward, the storage guard  50  may be inserted into the first door  30 . A detailed description of the pull out and the insertion of the storage guard  50  according to the movement of the guide  120  will be described later. 
     The storage guard mover  100  may include a link  150  configured to be rotated according to the movement of the guide  120 . The link  150  may include a link hole  153  provided at one side of the link  150 . A protrusion  191  of a lower support case  190  to be described later may be inserted into the link hole  153 . 
     Referring to  FIG. 5 , the storage guard mover  100  may include a slider  130  configured to be moved backward when the guide  120  is moved forward, and configured to be moved forward when the guide  120  is moved backward. The slider  130  may be installed in the first door  30 . The link  150  may be rotatably coupled to the slider  130 . The slider  130  may include a link coupler  132  to which the link  150  is coupled. 
     The refrigerator  1  may include a bracket  60  fixed to the opening  31  of the first door  30 . The bracket  60  may include a second elastic member fixer  61  configured to fix the other end of the elastic member  160 . 
     The storage guard mover  100  may include the elastic member  160  and the elastic member case  170  coupled to the bracket  60 . The elastic member case  170  may be provided to accommodate the elastic member  160 . The elastic member case  170  may include a first elastic member fixer  171  provided to fix one end of the elastic member  160 . The other end of the elastic member  160  may be fixed to a second elastic member fixer  61  provided on the bracket  60 . 
     The elastic member  160  may provide an elastic force to allow the storage guard  50  to be automatically pulled out. Detailed description thereof will be described later. 
     A plurality of sliding portions  70  may be coupled to the bracket  60 . The sliding portion  70  may be provided to extend when the storage guard  50  is pulled out forward. The sliding portion  70  may have a telescopic structure. 
     The refrigerator  1  may include an upper support case  180  and the lower support case  190  which are provided at an upper portion of the bracket  60  and a lower portion of the bracket  60  with the bracket  60  interposed therebetween. The upper support case  180  and the lower support case  190  may be coupled to each other with the bracket  60  interposed therebetween. The upper support case  180  and the lower support case  190  may be provided to be movable relative to the bracket  60 . 
     The upper support case  180  may include a support protrusion  181 . The support protrusion  181  may be inserted into an insertion groove  51  provided in the storage guard  50 . As the support protrusion  181  is inserted into the insertion groove  51 , the upper support case  180  may support the storage guard  50 . 
     The lower support case  190  may include the protrusion  191  provided to be inserted into the link hole  153  of the link  150 . As the protrusion  191  is inserted into the link hole  153 , the lower support case  190 , and the upper support case  180  may be moved together with the link  150 . 
       FIGS. 6 to 9  are plan views illustrating an operation of a storage guard mover in the refrigerator according to an embodiment of the disclosure. 
     Hereinafter an operation of the storage guide mover according to an embodiment of the disclosure will be described in details with reference to  FIGS. 6 to 9 . 
     Referring to  FIGS. 6 to 9 , the storage guard mover  100  may include the pusher  110  installed in the second door  40 , the guide  120  installed in the first door  30 , the slider  130  configured to be movable together with the guide  120  according to the movement of the guide  120 , a gear  140  disposed between the guide  120  and the slider  130 , and the link  150  rotatably coupled to the slider  130 . 
     The pusher  110  may be provided to be in contact with the guide  120 . As the pusher  110  is rotated, the guide  120  may be moved in the first direction or in the second direction opposite to the first direction. The first direction may represent the front of the refrigerator, and the second direction may represent the rear of the refrigerator. 
     The guide  120  may include a contact surface  121  provided to be in contact with the pusher  110 . The contact surface  121  may be provided such that at least one part thereof always is in contact with the pusher  110 . 
     The contact surface  121  may include a first section  122  in which the guide  120  is not moved even when the pusher  110  is rotated, and a second section  123  in which the guide  120  is moved as the pusher  110  is rotated. When viewed from the top of the refrigerator, the first section  122  may be provided in an arc of a circle, and the second section  123  may be provided in a straight line. 
     The guide  120  may include a first rack gear  124 . The first rack gear  124  may be configured to engage with the gear  140 . 
     The slider  130  may include a second rack gear  131 . The second rack gear  131  may be configured to engage with the gear  140 . 
     The gear  140  may include a plurality of gears. The gear  140  may include a first gear  141  configured to engage with the first rack gear  124  and a second gear  142  configured to engage with the second rack gear  131 . A plurality of gears may be further provided between the first gear  141  and the second gear  142 . 
     The gear  140  may include a pinion gear. The gear  140  may be disposed between the slider  130  and the guide  120  to transmit power. For example, when the guide  120  is moved in the first direction, the first gear  141  may be rotated counterclockwise. When the first gear  141  is rotated counterclockwise, the second gear  142  may be rotated clockwise. When the second gear  142  is rotated clockwise, the slider  130  may be moved in the second direction. Accordingly, when the guide  120  is moved in the first direction or the second direction, the gear  140  may transmit the power to the slider  130  and thus the slider  130  may be moved in the second direction or the first direction. 
     The link  150  may be rotatably coupled to the slider  130 . The slider  130  may include a link coupler  132  configured to allow the link  150  to be rotatably coupled thereto. The link coupler  132  may include a coupling hole  133 . 
     The link  150  may include a first shaft  151  inserted into the coupling hole  133 . The first shaft  151  may protrude upward and downward of the link  150 . The coupling hole  133  may be provided in pairs. The first shaft  151  may be inserted into the pair of coupling holes  133 . 
     When the first shaft  151  is inserted into the coupling hole  133 , the link  150  may be rotatably coupled to the slider  130 . At this time, the link  150  may be rotatable about the first shaft  151  as the rotation axis. 
     The link  150  may further include a second shaft  152 . The second shaft  152  may protrude upward of the link  150 . The second shaft  152  may be inserted into a shaft hole  62  provided in the bracket  60 . When the second shaft  152  is inserted into the shaft hole  62 , the link  150  may be coupled to the bracket  60  so as to be relatively rotatable. The link  150  may be rotatable about the bracket  60  using the second shaft  152  as the rotation axis. 
     The first shaft  151  may be moved as the link  150  is rotated. The second shaft  152  may be fixed to at one point regardless of the rotation of the link  150 . 
     The link  150  may include the link hole  153 . The protrusion  191  of the lower support case  190  may be inserted into the link hole  153 . The protrusion  191  may reciprocate in the link hole  153  when the link  150  is rotated. Particularly, the protrusion  191  may be moved from one end toward the other end of the link hole  153  when the link  150  is rotated clockwise. The protrusion  191  may be moved toward one end from the other end of the link hole  153  when the link  150  is rotated counterclockwise. 
     Referring to  FIGS. 6 and 7 , a position of the guide  120  may be fixed even when the pusher  110  is rotated at the predetermined angle. More particularly, when the pusher  110  is rotated in the first section  122 , the guide  120  may be fixed without moving in the first direction or the second direction. The first section  122  may be provided in an arc shape having a radius corresponding to a distance d from the rotation axis r of the pusher  110  to an end portion of the pusher  110 . Due to this structure, even when the pusher  110  is rotated in the first section  122 , the distance between the rotation axis r of the pusher  110  and the contact surface  121  may be maintained. When the distance between the rotation axis r of the pusher  110  and the contact surface  121  is maintained, the position of the guide  120  may be fixed regardless of the rotation of the pusher  110 . Therefore, as illustrated in  FIG. 7 , when the pusher  110  is rotated at the predetermined angle, the guide  120  may not be moved. That is, the position of the guide  120  may be fixed. 
     Referring to  FIGS. 8 and 9 , when the pusher  110  is started to rotate over the predetermined angle, the guide  120  may be started to move in the first direction. When the pusher  110  is rotated in the second section  123 , the guide  120  may be moved in the first direction according to the rotation degree of the pusher  110 . 
     When the guide  120  is moved in the first direction, the first gear  141  may be rotated counterclockwise, the second gear  142  may be rotated clockwise, and the slider  130  may be moved in the second direction. On the contrary, when the guide  120  is moved in the second direction, the first gear  141  may be rotated clockwise, the second gear  142  may be rotated counterclockwise, and the slider  130  may be moved in the first direction. 
     As mentioned above, when the pusher  110  is rotated, the guide  120  may be moved, and when the guide  120  is moved, the slider guide  130  may be moved by the gear  140 . When the slider  130  is moved, the link  150  may be rotated. Particularly, when the slider  130  is moved in the second direction, the link  150  may be rotated counterclockwise. When the slider  130  is moved in the first direction, the link  150  may be rotated clockwise. 
     When the link  150  is rotated, the lower support case  190  connected to the link  150  may be moved in the first direction or the second direction. When the lower support case  190  is moved, the upper support case  180  coupled to the lower support case  190  and the storage guard  50  coupled to the upper support case  180  may be moved. Therefore, when the link  150  is rotated, the storage guard  50  may be moved in the first direction or the second direction. 
       FIGS. 10 and 11  are views illustrating an operation of an elastic member when a storage guard is pulled out or inserted into in the refrigerator according to an embodiment of the disclosure. 
     Hereinafter in the refrigerator according to an embodiment of the disclosure, a process of automatically pulling out and inserting the storage guard by the elastic force of the elastic member will be described in detail. 
     Referring to  FIG. 10 , the elastic member  160  may be provided to accumulate the elastic force when the second door  40  is closed. One end of the elastic member  160  may be fixed to the first elastic member fixer  171  provided in the elastic member case  170 . The other end of the elastic member  160  may be fixed to the second elastic member fixer  61  provided on the bracket  60 . 
     The elastic member  160  may include a tension spring. When the second door  40  is closed, a length of the elastic member  160  may be extended so as to accumulate the elastic force. When the second door  40  is closed, the distance between the first elastic member fixer  171  and the second elastic member fixer  61  may be extended to the maximum. The elastic member  160  may provide an elastic force in a direction in which the length of the elastic member  160  is shortened. 
     In order to reduce the distance between the first elastic member fixer  171  and the second elastic member fixer  61 , the guide  120  may be required to be moved in the first direction. The movement of the guide  120  in the first direction may be limited by the pusher  110 . Therefore, the position of the guide  120  may be fixed, and the distance between the first elastic member fixer  171  and the second elastic member fixer  61  may also be maintained. The elastic member  160  may be maintained in a state of accumulating elastic force. 
     Referring to  FIG. 11 , when the second door  40  is opened at the predetermined angle or more, the distance between the first elastic member fixer  171  and the second elastic member fixer  61  may be reduced. In other words, the elastic member  160  may provide an elastic force to move the first elastic member fixer  171  toward the second elastic member fixer  61  that is fixed. The first elastic member fixer  171  and the elastic member case  170  may be moved in the first direction by the elastic force of the elastic member  160 . When the elastic member case  170  is moved in the first direction, the lower support case  190  connected to the elastic member case  170  may be moved in the first direction. When the lower support case  190  is moved in the first direction, the upper support case  180  coupled to the lower support case  190  may be moved in the first direction. When the upper support case  180  is moved in the first direction, the storage guard  50  coupled to the upper support case  180  may be moved in the first direction. That is, the storage guard  50  may be pulled out in front of of the first door  30 . 
     In addition, when the lower support case  190  is moved in the first direction, the link  150  may be rotated counterclockwise because the protrusion  191  is inserted into the link hole  153 . When the link  150  is rotated counterclockwise about the second shaft  152 , the slider  130  may be moved in the second direction. When the slider  130  is moved in the second direction, the power may be transmitted through the gear  140  to allow the guide  120  to be moved in the first direction. 
     When the pusher  110  does not fix the position of the guide  120 , the storage guard  50  may be pulled out in front of the first door  30  by the elastic force of the elastic member  160  through the above process. By the elastic force of the elastic member  160 , the storage guard  50  may be automatically pulled out without an external force. In other words, when the pusher  110  is rotated in the second section  123 , the guide  120  may be moved in the first direction. When the movement of the guide  120  in the first direction is allowed, the storage guard  50  may be pulled out by the elastic force of the elastic member  160  according to the above-described process. 
     When the second door  40  is closed, the storage guard  50  may be automatically inserted into the first door  30  through the reverse of the above process. The pusher  110  may move the guide  120  toward the second direction by a force that a user closes the second door  40 , and the elastic member  160  may be tensioned to accumulate the elastic force through the reverse of the above process. 
     As is apparent from the above description, the refrigerator may include the storage guard mover capable of automatically pulling out or inserting the storage guard in response to opening or closing of the door. 
     The refrigerator may include the storage guard mover capable of pulling out the storage guard only when the door is opened at a predetermined angle or more. 
     The refrigerator may open and close a door and pull out and insert a storage guard without interference with each other. 
     Although the present disclosure has been described with various embodiments, various changes and modifications may be suggested to one skilled in the art. It is intended that the present disclosure encompass such changes and modifications as fall within the scope of the appended claims.