A home-bar door opening/closing device for a refrigerator. Guide slots 72 are provided in both side surfaces of an opening 59 provided in a refrigerator door 55 and connected to one ends of links 75 which rotate and vertically move. Then, a home-bar door 63 is installed in the opening 59 so that an
A home-bar door opening/closing device for a refrigerator. Guide slots 72 are provided in both side surfaces of an opening 59 provided in a refrigerator door 55 and connected to one ends of links 75 which rotate and vertically move. Then, a home-bar door 63 is installed in the opening 59 so that an upper end of the home-bar door 63 vertically rotates about a hinge 65. The other ends of the links 75 are pivotably connected to both side surfaces of the home-bar door 63, respectively. An upward elastic force from coil springs 77 is provided to the one ends of the links 75, while an elastic force from torsion springs 79 is provided to the other ends of the links 75. Accordingly, it is possible to reduce the impact due to the rapid opening of the home-bar door.
대표청구항▼
What is claimed is: 1. A home-bar door opening/closing device for a refrigerator, comprising: a refrigerator door for opening and closing a storage space defined in a main body of the refrigerator, said refrigerator door including an opening formed through a portion thereof; a home-bar door install
What is claimed is: 1. A home-bar door opening/closing device for a refrigerator, comprising: a refrigerator door for opening and closing a storage space defined in a main body of the refrigerator, said refrigerator door including an opening formed through a portion thereof; a home-bar door installed in the opening so that an upper end thereof can be vertically rotated about a lower end thereof; at least one shaft mounted between the refrigerator door and the home-bar door, such that the home-bar door rotates about the at least one shaft; and at least one damper for controlling a rotational speed of the home-bar door, said damper including a cam surface that interacts with the at least one shaft to dampen rotational movement of the home-bar door, wherein the cam surface comprises at least two linear sections and an inclined section, and wherein the home-bar door freely rotates when a side of the at least one shaft is guided on the linear sections of the cam surface while the rotational speed of the home-bar door decreases due to the damping function of the damping structure when the side of the at least one shaft is guided on the inclined section of the cam surface. 2. The device as claimed in claim 1, wherein the at least one damper comprises a damper housing in which the cam surface is provided; and wherein the at least one shaft protrudes out of the damper housing to serve as the center of rotation of the home-bar door. 3. The device as claimed in claim 2, wherein the damper housing of the damper is installed in the home-bar door, the at least one shaft is inserted into an insertion hole formed in a side surface of the opening, and wherein a portion of the at least one shaft protruding out of the damper housing has a shape that corresponds to a shape of the insertion hole such that the at least one shaft will not rotate with respect to the refrigerator door. 4. The device as claimed in claim 3, wherein the insertion hole and the at least one shaft protruding Out of the damper housing comprise elliptical cross sections. 5. The device as claimed in claim 1, wherein the home-bar door freely rotates by allowing the side of the at least one shaft to be guided on the linear sections of the cam surface during an initial and last sections of the opening of the home-bar door, while the rotational speed of the home-bar door decreases by allowing the side of the at least one shaft to be guided on the inclined section of the cam surface during an intermediate stage of the opening of the home-bar door. 6. The device as claimed in claim 5, wherein the rotational speed of the home-bar door decreases due to the inclined section of the cam surface when an opening angle of the home-bar door is within a range of 20 to 80 degrees relative to the refrigerator door. 7. A damping device for a home-bar door which is mounted in a refrigerator door of a refrigerator, comprising; a damper housing mounted on one of the home-bar door and the refrigerator door; a cam surface mounted in the damper housing, wherein the cam surface acts to dampen rotational movements of the home bar door as it opens and closes and wherein the cam surface includes a linear section and an inclined section; and a shaft connected to the damper housing and to the refrigerator door, wherein the home-bar door rotates about the shaft, wherein the shaft interacts with the cam surface such that the home bar-door rotates freely when a side of the shaft is guided on the linear section of the cam surface, and wherein rotation of the home-bar door is damped when the side of the shaft is guided on the inclined section of the cam surface. 8. The device as claimed in claim 7, wherein a portion of the shaft protrudes out of the damper housing, and wherein the protruding portion of the shaft is inserted into an insertion hole formed in the other of the home-bar door and the refrigerator door. 9. The device as claimed in 8, wherein the insertion hole and the protruding portion of the shaft each have a cross-sectional shape that prevents the shaft from rotating with respect to the insertion hole. 10. The device as claimed in claim 7, wherein the rotation of the home-bar door is damped due to the interaction between the inclined section of the cam and the shaft when an opening angle of the home-bar door is within a range of 20 to 80 degrees relative to the refrigerator door. 11. The device as claimed in claim 7, wherein the damper housing is mounted in the home-bar door, and wherein a portion of the shaft protruding from the damper housing is mounted in an insertion hole formed in the refrigerator door. 12. The device as claimed in claim 11, wherein the protruding portion of the shaft and the insertion hole have cross-sectional shapes that prevent the shaft from rotating in the insertion hole. 13. The device as claimed in claim 12, wherein the shaft interacts with the cam surface to dampen rotational movement of the home-bar door because the cam surface rotates with the home-bar door as it rotates, while the shaft does not. 14. The device as claimed in claim 13, wherein the cam surface includes a first portion and a second portion, wherein the shaft interacts with the first portion of the cam surface during initial rotation of the home-bar door as it opens, and wherein the shaft interacts with the second portion of the cam surface during intermediate rotation of the home bar door as it opens. 15. The device as claimed in claim 14, wherein the damper provides a first amount of rotational dampening force when the shaft interacts with the first portion of the cam surface, and wherein the damper provides a second, greater amount of rotational dampening force when the shaft interacts with the second cam surface. 16. The device as claimed in claim 15, wherein the cam surface includes a third portion, and wherein the shaft interacts with the third portion of the cam surface during final rotation of the home-bar door as it opens. 17. The device as claimed in claim 16, wherein the damper provides a third amount of rotational damping force as the shaft interacts with the third portion of the cam surface.
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이 특허에 인용된 특허 (12)
Daul Terrance E. (Hamburg NY), Combined door closer/hinge with variable rotary friction damping performance.
Baker Phillip D. ; Walker Gordon Turner ; Matz Dennis Paul ; Mitchell Gerald Lee ; Miller Joseph Murphy ; Nelson Charles William ; Ruark Bruce Lloyd ; Martin Jerry Clyde ; McCauley Michael Joseph ; D, Modular refreshment center for refrigerator fresh food compartment.
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