Locking assemblies for door-in-door refrigerator appliances
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F25D-023/02
F25D-023/08
E05B-065/00
출원번호
US-0369994
(2016-12-06)
등록번호
US-10234190
(2019-03-19)
발명자
/ 주소
Wantland, Louis A.
Chellappan, Bagawathkumar
출원인 / 주소
Haier US Appliance Solutions, Inc.
대리인 / 주소
Dority & Manning, P.A.
인용정보
피인용 횟수 :
0인용 특허 :
17
초록▼
A locking assembly for a refrigerator appliance having inner and outer doors includes a catch mounted to an inner door of the refrigerator. The catch includes a body having a support surface and a locking member. The support surface may be positioned between an outer surface of the inner door and an
A locking assembly for a refrigerator appliance having inner and outer doors includes a catch mounted to an inner door of the refrigerator. The catch includes a body having a support surface and a locking member. The support surface may be positioned between an outer surface of the inner door and an inner surface of the outer door. The locking assembly also includes a latch coupled to the outer door and operable to engage the latch member. In addition, the locking assembly includes a magnet positioned on the support surface, and the magnet is operable to exert a magnetic bias on the outer door towards the inner door along the transverse direction to compress a gasket that is operable to seal against the outer surface of the inner door or the inner surface of the outer door.
대표청구항▼
1. A refrigerator appliance defining a vertical direction, a lateral direction, and a transverse direction, the vertical, lateral, and transverse directions being mutually perpendicular, the refrigerator appliance comprising: a cabinet defining a food storage chamber;an inner door rotatably hinged t
1. A refrigerator appliance defining a vertical direction, a lateral direction, and a transverse direction, the vertical, lateral, and transverse directions being mutually perpendicular, the refrigerator appliance comprising: a cabinet defining a food storage chamber;an inner door rotatably hinged to the cabinet, the inner door movable between an open position and a closed position to permit selective access to the food storage chamber, the inner door comprising an inner surface and an outer surface spaced apart from one another along the transverse direction;an outer door rotatably hinged to the inner door, the outer door movable between an open position and a closed position, the outer door comprising an inner surface and an outer surface spaced apart from one another along the transverse direction;a gasket operable to seal against the outer surface of the inner door or the inner surface of the outer door, the gasket defining a width along the transverse direction; anda locking assembly for securing the outer door in the closed position, the locking assembly comprising: a catch comprising a body mounted to the inner door, the body comprising a support surface and a locking member, the support surface positioned between the outer surface of the inner door and the inner surface of the outer door along the transverse direction, the locking member comprising a first locking member and a second locking member;a latch coupled to the outer door, the latch operable to engage the first and second locking members; anda magnet positioned on the support surface, the magnet operable to exert a magnetic bias on the outer door towards the inner door along the transverse direction to compress the gasket,wherein when the latch engages the first locking member, the gasket is compressed such that the width of the gasket decreases from a first width to a second width, andwherein when the latch engages the second locking member, the gasket is compressed such that the width of the gasket decreases from the second width to a third width. 2. The refrigerator appliance of claim 1, wherein the support surface extends along a plane that is perpendicular to the vertical direction. 3. The refrigerator appliance of claim 1, wherein the catch includes a cover attached to the body, the cover comprising a front surface positioned between the outer surface of the inner door and the inner surface of the outer door along the transverse direction. 4. The refrigerator appliance of claim 3, wherein the latch engages the second locking member while the width of the gasket is equal to the third width, and wherein the third width cannot be less than a distance defined between the front surface of the cover and the outer surface of the inner door along the transverse direction. 5. The refrigerator appliance of claim 1, wherein the first locking member is spaced apart from the second locking member along the transverse direction. 6. The refrigerator appliance of claim 5, wherein a tip region of the first locking member is spaced apart from a tip region of the second locking member along the vertical direction. 7. The refrigerator appliance of claim 6, wherein the latch travels along a front surface of the second locking member while the width of the gasket is being compressed from the second width to the third width. 8. The refrigerator appliance of claim 7, wherein the gasket does not sealingly enclose the food storage chamber when the width of the gasket is equal to the second width, and wherein the gasket does sealingly enclose the food storage chamber when the width of the gasket is equal to the third width. 9. The refrigerator appliance of claim 6, wherein the body defines a cavity into which the first and second locking members extend along the vertical direction, wherein the tip region of both the first and second locking members is positioned within the cavity and spaced apart from a top wall of the cavity along the vertical direction, and wherein the latch is movable along the vertical direction to a nominal position in which a contact surface of the latch is positioned between the tip region and the top wall along the vertical direction. 10. The refrigerator appliance of claim 1, wherein the locking assembly further includes a latch housing comprising a panel and a magnetic object, the panel positioned within the outer door such that the panel is proximate to the inner surface of the outer door, the first panel defining a cavity into which the magnetic object is disposed. 11. A refrigerator appliance defining a vertical direction, a lateral direction, and a transverse direction, the vertical, lateral, and transverse directions being mutually perpendicular, the refrigerator appliance comprising: a cabinet defining a food storage chamber;an inner door rotatably hinged to the cabinet, the inner door movable between an open position and a closed position to permit selective access to the food storage chamber, the inner door comprising an inner surface and an outer surface spaced apart from one another along the transverse direction;an outer door rotatably hinged to the inner door, the outer door movable between an open position and a closed position, the outer door comprising an inner surface and an outer surface spaced apart from one another along the transverse direction;a gasket operable to seal against the outer surface of the inner door or the inner surface of the outer door, the gasket defining a width along the transverse direction; anda locking assembly for securing the outer door in the closed position, the locking assembly comprising: a catch mounted to the inner door, the catch comprising a first locking member and a second locking member;a latch coupled to the outer door, the latch operable to engage the first locking member and the second locking member; anda magnet positioned on a support surface of the catch, the magnet operable to exert a magnetic bias on the outer door towards the inner door along the transverse direction to compress the gasket,wherein when the latch engages the first locking member, the gasket is compressed such that the width of the gasket decreases from a first width to a second width, andwherein when the latch engages the second locking member, the gasket is compressed such that the width of the gasket decreases from the second width to a third width. 12. The refrigerator appliance of claim 11, wherein the support surface of the catch is positioned between the outer surface of the inner door and the inner surface of the outer door along the transverse direction.
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