Provided is a refrigerator including a cabinet having a storage compartment provided therein, a main door pivotably mounted at the cabinet for opening and closing the storage compartment, an auxiliary storage compartment mounted at a rear of the main door, and an auxiliary door pivotably mounted ove
Provided is a refrigerator including a cabinet having a storage compartment provided therein, a main door pivotably mounted at the cabinet for opening and closing the storage compartment, an auxiliary storage compartment mounted at a rear of the main door, and an auxiliary door pivotably mounted over a front of the main door for opening and closing the auxiliary storage compartment. A first hinge bracket may be fixed to an upper end of the cabinet, the first hinge bracket including a rotation shaft that is coupled to an upper portion of the main door. A second hinge bracket may be fixed to an upper portion of the sub door, the second hinge bracket including a rotation shaft that is coupled to the upper portion of the main door. The rotation shaft of the second hinge bracket may be positioned more forward than the rotation shaft of the first hinge bracket.
대표청구항▼
1. A refrigerator comprising: a cabinet having a storage compartment provided therein;a main door that opens and closes the storage compartment, the main door having an access opening;an auxiliary storage compartment provided on the main door;an auxiliary door that opens and closes the access openin
1. A refrigerator comprising: a cabinet having a storage compartment provided therein;a main door that opens and closes the storage compartment, the main door having an access opening;an auxiliary storage compartment provided on the main door;an auxiliary door that opens and closes the access opening of the main door;a first hinge bracket fixed to an upper end of the cabinet, the first hinge bracket including a first fastening part fastened to an upper surface of the cabinet to fix the first hinge bracket to the upper end of the cabinet, a first extension part that extends forward from the first fastening part to the main door, and a first rotation shaft that extends from the first extension part and is coupled to an upper portion of the main door to form a rotational axis of the main door;a second hinge bracket fixed to an upper portion of the auxiliary door, the second hinge bracket including a second fastening part fastened to the auxiliary door, a second extension part that extends backward from the second fastening part to the main door, and a second rotation shaft that extends from the second extension part and is coupled to the upper surface of the main door to form a rotation axis of the auxiliary door, wherein the rotation axis of the auxiliary door is provided in front of the rotational axis of the main door;a first shaft hole provided on the upper surface of the main door and coupled to the first rotation shaft; anda second shaft hole provided in front of the first shaft hole on the upper surface of the main door and coupled to the second rotation shaft,wherein the first shaft hole and the second shaft hole are mounted at a recess formed at an upper corner region of the main door, the recess having a stepped shape. 2. The refrigerator according to claim 1, wherein each of the first extension part and the second extension part extends laterally outward from each of the first fastening part and the second fastening part when the main door and the auxiliary door are closed. 3. The refrigerator according to claim 1, further comprising: a first lower hinge bracket fixed to a lower end of the cabinet, the first lower hinge bracket including a third rotation shaft that is coupled to a lower portion of the main door; anda second lower hinge bracket fixed to a lower portion of the auxiliary door, a rotation axis of the second lower hinge bracket being positioned on the lower portion of the main door. 4. The refrigerator according to claim 1, wherein the second fastening part of the second hinge bracket is bent in a direction parallel to a back surface of the auxiliary door and fastened to the back surface of the auxiliary door at a position below an upper surface of the auxiliary door. 5. The refrigerator according to claim 1, wherein the auxiliary door includes: a fastening groove provided on a back surface of the auxiliary door at a position below an upper surface of the auxiliary door to couple the second fastening part of the second hinge bracket to the auxiliary door, wherein the second fastening part of the second hinge bracket is inserted in the fastening groove; anda cover coupled to the back surface of the auxiliary door to cover the fastening groove and the second fastening part, the cover having a slit such that the second extension part passes through the slit as the second extension part extends outward from the second fastening part. 6. The refrigerator according to claim 1, wherein the second rotation shaft is mounted at the recess formed at the upper corner region of the main door. 7. The refrigerator according to claim 1, wherein the auxiliary door includes a gasket that seals a gap between the auxiliary door and the main door. 8. The refrigerator according to claim 1, wherein the auxiliary door has a thickness that is ⅓ or less than a thickness of the main door. 9. The refrigerator according to claim 8, wherein the auxiliary door includes: an outer case that forms a front portion of the auxiliary door;a door liner that forms a rear portion of the auxiliary door; anda space formed between the outer case and the door liner, the space being a vacuum insulation space. 10. The refrigerator according to claim 8, wherein the auxiliary door includes: a case having a prescribed space defined therein; andan open cell polyurethane foam injected into the space,wherein the space is vacuum sealed after the polyurethane foam is injected and foamed in the space. 11. The refrigerator according to claim 1, wherein a circumference of the first shaft hole is larger than a circumference of the second shaft hole, and the recess is shaped to accommodate respective circumferences of the first shaft hole and the second shaft hole. 12. The refrigerator according to claim 1, wherein a size of the first hinge bracket is larger than a size of the second hinge bracket, and a height of the first hinge bracket in the recess on the upper surface of the main door is higher than a height of the second hinge bracket in the recess on the upper surface of the main door. 13. The refrigerator according to claim 1, further comprising: a side cover mounted along an edge of a top of the cabinet having a predetermined height to receive the first hinge bracket; anda top cover coupled to the side cover to cover a top of the side cover, the side cover and the top cover each having a shape that corresponds to a shape of the first hinge bracket such that the first hinge bracket is hidden from view. 14. The refrigerator according to claim 1, wherein the recess is configured to provide a space for the first extension part and the second extension part such that the first extension part and the second extension part do not interfere with the main door when rotating, and wherein the first extension part extends upward from the first fastening part and is bent at predetermined height such that a height of a lower end of the first rotation shaft is a similar to a height of a bottom of the first fastening part. 15. A refrigerator comprising: a cabinet having a storage compartment provided therein;a main door that opens and closes the storage compartment, the main door having an access opening;an auxiliary storage compartment provided at the access opening formed around an inside edge of the main door;an auxiliary door pivotably mounted over a front of the main door that opens and closes the access opening;a first hinge bracket fixed to a corner of the cabinet, the first hinge bracket including a first fastening part fastened to an upper or lower surface of the cabinet to fix the first hinge bracket to an upper or lower end of the cabinet, a first extension part that extends forward from the first fastening part to the main door, and a first rotation shaft coupled to a top surface or a bottom surface of the main door to form a rotational axis of the main door;a second hinge bracket fixed to an upper portion or lower portion of the auxiliary door, the second hinge bracket including a second fastening part bent in a direction parallel to a back surface of the auxiliary door and fastened to the back surface of the auxiliary door, a second extension part that extends backward from the second fastening part to the main door, and a second rotation shaft coupled to the top surface or the bottom surface of the main door to form a rotation axis of the auxiliary door, wherein the rotation axis of the auxiliary door is provided in front of the rotational axis of the main door; anda first shaft hole and a second shaft hole provided on the top surface or the bottom surface of the main door, wherein the first rotation shaft is coupled in the first shaft hole and the second rotation shaft is provided in front of the first shaft hole on the top surface or the bottom surface of the main door and coupled in the second shaft hole, and wherein each of the first extension part and the second extension part extends laterally outward from each of the first fastening part and the second fastening part, respectively, when the main door and the auxiliary door are closed,wherein the first shaft hole and the second shaft hole are mounted at a recess formed at an upper corner end of the main door, the recess having a stepped shape and providing a space for the first extension part and the second extension part such that the first extension part and the second extension part do not interfere with the main door when rotating. 16. The refrigerator according to claim 15, wherein the auxiliary door includes: a fastening groove provided on the back surface of the auxiliary door at a position below an upper surface of the auxiliary door to couple the second fastening part of the second hinge bracket to the auxiliary door, wherein the second fastening part of the second hinge bracket is inserted in the fastening groove; anda cover coupled to the back surface of the auxiliary door to cover the fastening groove and the second fastening part, the cover having a slit through which the second extension part is inserted. 17. The refrigerator according to claim 15, wherein the second rotation shaft of the second hinge bracket is mounted in the recess formed at the upper corner end of the main door. 18. The refrigerator according to claim 15, wherein the auxiliary door includes a gasket that seals a gap between the auxiliary door and an edge of a front side of the main door. 19. The refrigerator according to claim 15, wherein the auxiliary door has a thickness that is ⅓ or less than a thickness of the main door. 20. The refrigerator according to claim 19, wherein the auxiliary door includes: an outer case that forms a front portion of the auxiliary door;a door liner that forms a rear portion of the auxiliary door; anda space formed between the outer case and the door liner, the space being a vacuum insulation space. 21. The refrigerator according to claim 19, wherein the auxiliary door includes: a case having a prescribed space defined therein; andan open cell polyurethane foam injected into the space,wherein the space is vacuum sealed after the polyurethane foam is injected and foamed in the space.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (1)
Edwards Brian E. (1310 Rudy Mattoon IL 61938), Refrigerator/freezer door anti-convection current curtain.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.