Disclosed is a refrigerator, comprising: a refrigerator body having a cooling chamber; a case comprising a case body having therein an accommodation space of which one side is open, and a transformation preventing member formed of a material having a higher strength than that of the case body, the t
Disclosed is a refrigerator, comprising: a refrigerator body having a cooling chamber; a case comprising a case body having therein an accommodation space of which one side is open, and a transformation preventing member formed of a material having a higher strength than that of the case body, the transformation preventing member provided at an open region of the case body and configured to prevent transformation of the case; a drawer accommodated in the case in a withdrawable manner; and a depressurizing device configured to depressurize inside of the drawer and the case to a pressure lower than an atmospheric pressure, when the drawer is accommodated in the case. Under such configuration, transformation of the case can be prevented, and the case can be easily fabricated.
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1. A refrigerator, comprising: a refrigerator body having a cooling chamber;a case comprising a case body having therein an accommodation space and an open region, and a transformation preventing member formed of a material having a higher strength than that of the case body, the transformation prev
1. A refrigerator, comprising: a refrigerator body having a cooling chamber;a case comprising a case body having therein an accommodation space and an open region, and a transformation preventing member formed of a material having a higher strength than that of the case body, the transformation preventing member provided at the open region of the case body to prevent transformation of the case;a drawer accommodated in the case in a withdrawable manner; anda depressurizing device to depressurize an inside of the drawer and the case to a pressure lower than an outside pressure of the case, when the drawer is accommodated in the case,wherein the case body comprises a plurality of protrusions and ribs protruding from an outer surface of the case body in a manner of being perpendicular to each other,wherein the case body comprises a flange portion, which extends to outside, and is provided at the open region of the case body, wherein the transformation preventing member is disposed on a surface of the flange portion, andwherein a mounting portion is provided at a rear surface of the flange portion and concaved from the rear surface of the flange portion in a thickness direction so that the transformation preventing member is inserted therein. 2. The refrigerator of claim 1, further comprising: a protrusion portion protruding from one of contact surfaces between the flange portion and the transformation preventing member; andan accommodation portion formed at another of the contact surfaces, and to accommodate the protrusion portion. 3. The refrigerator of claim 1, wherein the transformation preventing member comprises: a horizontal section horizontally disposed above the case body; andvertical sections bent downward from two ends of the horizontal section. 4. The refrigerator of claim 1, wherein the transformation preventing member comprises a first part transformation preventing portion and a second part transformation preventing portion that are disposed on the surface of the flange portion to contact each other in a facing manner. 5. The refrigerator of claim 4, wherein the first part transformation preventing portion comprises a horizontal section horizontally disposed above the case body, and vertical sections bent downward from two ends of the horizontal section, and the second part transformation preventing portion comprises a horizontal section horizontally disposed below the case body, and vertical sections bent upward from two ends of the horizontal section. 6. The refrigerator of claim 5, further comprising a coupling protrusion that protrudes from one of contact surfaces between the first part transformation preventing portion and the second part transformation preventing portion, toward the other, and wherein a coupling protrusion accommodation portion is formed at another of the contact surfaces to accommodate the coupling protrusion. 7. The refrigerator of claim 1, wherein the transformation preventing member is inserted into a wall of the flange portion. 8. The refrigerator of claim 1, further comprising: a sealing member provided at a contact region between the drawer and the open region of the case body;a sealed state maintaining device comprising a locking portion provided at the case, and a coupling member movable to engage with the locking portion in a sealing position in which the sealing member is compressed between the open region of the case body and the drawer accommodated in the case, thereby sealing the inside of the drawer and the case. and the coupling member movable to disengage with the locking portion in a releasing position to be released from the sealed position; andan adjusting member provided at the drawer to move the coupling member between the sealing position and the releasing position. 9. The refrigerator of claim 8, wherein the coupling member comprises: a hook which rotates about a rotation shaft; anda hook spring to provide an elastic force to the hook such that the hook rotates to engage the locking portion in the sealing position. 10. The refrigerator of claim 9, further comprising: an operation bar provided between the adjusting member and the hook, to transmit to the hook, a driving force to disengage the hook from the locking portion when the adjusting member moves. 11. The refrigerator of claim 10, wherein the drawer is provided with a communication portion that is configured to communicate inside and outside of the drawer with each other. 12. The refrigerator of claim 11, further comprising an opening and closing member that is configured to open and close the communication portion. 13. The refrigerator of claim 8, wherein the sealing member is formed of rubber to be pressed by a pressing force of the drawer, and wherein the sealing member has an annular shape to be contactable with the flange portion. 14. The refrigerator of claim 1, further comprising a retainer mounted in the case to allow a drawer door to contact the open region of the case by a backward pulling of the drawer into the case by the retainer when the drawer is introduced into the case. 15. The refrigerator of claim 14, wherein the case comprises a guide rail disposed at an inner wall of the case to guide the drawer to be introduced into or withdrawn from the case; and wherein the retainer comprises:a guiding member extending from an end of the guide rail of the case and fixed to the inner wall of the case, to guide movement of the drawer;a sliding member coupled to the guiding member so as to be slidable on the guiding member;an elastic member having one end fixed to the guiding member, having another end fixed to the sliding member, and having an elastic restoration force to provide the backward pulling of the drawer by the sliding member; anda locking member fixed to an outer wall of the drawer, to reciprocate with the drawer on the guide rail, having a locked state to lock the sliding member when the drawer is withdrawn from the case, and having a released state in which the sliding member is released from the locked state when the drawer is introduced into the case. 16. The refrigerator of claim 15, wherein the sliding member comprises: a sliding body which reciprocates on the guiding member;a sliding rib extending from the sliding body; anda guide rail to which the guiding member is coupled between the sliding body and the sliding rib,wherein the sliding member performs a reciprocating sliding motion on the guiding member through the guide rail. 17. The refrigerator of claim 16, wherein the guiding member comprises: a guiding cut-out slit extending back and forth; anda locking slit bent from a rear end of the guiding cut-out slit. 18. The refrigerator of claim 17, wherein the sliding member comprises: a through hole penetratingly-formed at the sliding body in a vertical direction;a first protrusion protruding toward an upper side of the through hole, and selectively locked by the locking member;a third protrusion protruding toward a lower side of the through hole and inserted into the guiding cut-out slit, to perform a reciprocating sliding motion back and forth, and to be selectively locked by the locking slit, wherein the first protrusion and the third protrusion extend up and down in a state where the through hole is interposed therebetween. 19. The refrigerator of claim 18, wherein the sliding member comprises a second protrusion introduced into the guiding cut-out slit from the sliding body, to perform a reciprocating sliding motion, and to serve as a hinge shaft of the first protrusion and the third protrusion. 20. The refrigerator of claim 1, wherein the depressurizing device is implemented as a vacuum pump. 21. The refrigerator of claim 20, further comprising a connection pipe that is configured to communicate the case and the vacuum pump with each other. 22. A refrigerator, comprising: a refrigerator body having a cooling chamber,a case comprising a case body having therein an accommodation space and an open region, and a transformation preventing member formed of a material having a higher strength than that of the case body, the transformation preventing member provided at the open region of the case body to prevent transformation of the case;a drawer accommodated in the case in a withdrawable manner; anda depressurizing device to depressurize an inside of the drawer and the case to a pressure lower than an outside pressure of the case, when the drawer is accommodated in the case,wherein the drawer is provided with a communication portion that is configured to communicate inside and outside of the drawer with each other,further comprising an opening and closing member that is configured to open and close the communication portion,wherein the opening and closing member comprises:an elastic portion that is configured to open and close the communication portion;a supporting portion that is configured to support the elastic portion; andan elastic member that is configured to apply an elastic force to the supporting portion such that the supporting portion is moved close to the communication portion. 23. The refrigerator of claim 22, wherein the opening and closing member further comprises an operation rod that protrudes from the supporting portion and is inserted through the communication portion so as to come in contact with the operation bar. 24. A refrigerator, comprising: a refrigerator body having a cooling chamber,a case comprising a case body having therein an accommodation space and an open region, and a transformation preventing member formed of a material having a higher strength than that of the case body, the transformation preventing member provided at the open region of the case body to prevent transformation of the case;a drawer accommodated in the case in a withdrawable manner; anda depressurizing device to depressurize an inside of the drawer and the case to a pressure lower than an outside pressure of the case, when the drawer is accommodated in the case,a sealing member provided at a contact region between the drawer and the open region of the case body;a sealed state maintaining device comprising a locking portion provided at the case, and a coupling member movable to engage with the locking portion in a sealing position in which the sealing member is compressed between the open region of the case body and the drawer accommodated in the case, thereby sealing the inside of the drawer and the case, and the coupling member movable to disengage with the locking portion in a releasing position to be released from the sealed position; andan adjusting member provided at the drawer to move the coupling member between the sealing position and the releasing position,wherein the adjusting member comprises:a plate portion that has a shape of a long plate;a rotation shaft accommodation portion that is provided at a rear surface of the plate portion; anda pressuring portion that extends from the rotation shaft accommodation portion in a different direction from the plate portion and is configured to pressurize the operation bar.
Avendano Jose G. ; Crompton ; III Edward Everett ; Miller Richard James ; Myers John Phillip ; Rue ; Sr. John C. ; Christenson Robert A. ; Mandel Sheldon W. ; Mohrfeld Michael A. ; Riley Robert M. ; , Method of assembling a refrigerator cabinet.
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