IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0790290
(2007-04-24)
|
등록번호 |
US-7703451
(2010-05-20)
|
우선권정보 |
KR-10-2006-0036638(2006-04-24); KR-10-2006-0041051(2006-05-08) |
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
7 인용 특허 :
29 |
초록
▼
An oven door includes upper fixtures, lower fixtures and middle frames which are attached to a front glass of the door. One or more panes of glass are mounted behind the front glass and are spaced from the front glass. As a result, air can circulate through a space behind the front glass. In additio
An oven door includes upper fixtures, lower fixtures and middle frames which are attached to a front glass of the door. One or more panes of glass are mounted behind the front glass and are spaced from the front glass. As a result, air can circulate through a space behind the front glass. In addition, a door handle is coupled to the front glass using a through-hole formed in the front glass, spacers formed on the upper fixtures, and screws going through the spacer and the through-hole, and into the door handle. Outside air introduced from a bottom of the front glass goes out through a side of a space contacting the front glass and thus cools only the space contacting the front glass. Since the heavy division members are supported by only the lower fixture, the oven door can be easily assembled and disassembled when damaged.
대표청구항
▼
What is claimed is: 1. An oven door, comprising: a front glass that defines an exterior side of the oven door; a rear glass that defines an interior side of the oven door; a plurality of division members arranged at predetermined intervals between the front glass and the rear glass; first and secon
What is claimed is: 1. An oven door, comprising: a front glass that defines an exterior side of the oven door; a rear glass that defines an interior side of the oven door; a plurality of division members arranged at predetermined intervals between the front glass and the rear glass; first and second middle frame members provided at opposite lateral sides of the plurality of division members, wherein each of the first and second middle frame members is spaced apart from the front glass and encloses a respective one of the lateral sides of the plurality of division members and the rear glass; first and second lower fixtures attached to lower left and right sides, respectively, of the front glass, wherein the first and second lower fixtures hold and support the division members and the rear glass and wherein each of the first and second lower fixtures includes: a first projection having a first extension coupled to a first groove in a respective one of the middle frame members and a second extension coupled to a second groove in a respective one of the middle frame members, and a plurality of second projections that define slots for receiving the division members and rear glass respectively, wherein the first projection is at least substantially parallel to the second projections; and a top cover that extends across a top of the front and rear glasses and the plurality of division members. 2. The oven door of claim 1, wherein the top cover completely surrounds upper surface portions of the front and rear glasses and side end portions of the upper surface portions. 3. The oven door of claim 1, wherein the first and second lower fixtures completely surround lower side end portions of rear glass and the division members. 4. The oven door of claim 1, further comprising side-sealing members inserted between one of the division members and the middle frame. 5. The oven door of claim 1, further comprising: first and second upper fixtures attached to upper left and right sides of the front glass, wherein the first and second upper fixtures operate to maintain a separation distance between the division members; and a door handle coupled to the first and second upper fixtures by fasteners that pass through the front glass. 6. The oven door of claim 5, further comprising: a top shield member coupled to the first and second upper fixtures, wherein the top shield member seals top edges of the division members; and a space-ensuring member that maintains a separation distance between the division members. 7. The oven door of claim 5, wherein the first and second upper fixtures further comprise spacers that go through the front glass and that contact the door handle. 8. The oven door of claim 7, wherein the spacers have a tube shape with a height equal to or larger than a thickness of the front glass, the spacers having a diameter that increases when pressed in a longitudinal direction. 9. The oven door of claim 5, wherein one of the door handle or the first or second upper fixtures has an area contacting the front glass, the area being significantly larger than an area of the front glass through which the fasteners pass. 10. The oven door of claim 5, wherein each of the first and second upper fixtures includes a third extension is aligned with and coupled to the first groove and a fourth extension or surface is aligned with and coupled to the second groove. 11. The oven door of claim 10, wherein the third and fourth extensions are different portions of a T-shaped section. 12. The oven door of claim 5, wherein each of the first and second upper fixtures includes: a stopper to set a position of a space-ensuring member that maintains a predetermined separation distance between the division members; and at least one guide projection to set a position of a top shield coupled to the first and second upper fixtures. 13. The oven door of claim 12, wherein: the at least one guide projection is adjacent and coupled to the stopper, and the stopper projects a first predetermined distance from the front glass and the at least one guide projection projects a second predetermined distance from the front glass, the second predetermined distance greater than the first predetermined distance. 14. The oven door of claim 13, wherein the top shield is below and in contact with the at least one guide projection and the space-ensuring member is located on a side of the at least one guide projection. 15. The oven door of claim 1, wherein the first projection extends from a first surface and the second projections extend from a second surface, and wherein the second surface is lower than the first surface so that each of the first and second lower fixtures support lower edges of the division members and rear glass at a position below the first surface from which the first projection extends. 16. The oven door of claim 1, wherein the first projection is a predetermined number of times longer than each of the second projections. 17. The oven door of claim 16, wherein the first projection is at least 5 times longer than each of the second projections. 18. The oven door of claim 17, wherein the first projection is approximately 10 times longer than each of the second projections. 19. The oven door of claim 1, wherein the first extension is oriented at a predetermined angle relative to the second extension. 20. The oven door of claim 19, wherein the predetermined angle is at least substantially 90°. 21. The oven door of claim 20, wherein the first projection has substantially a T-shaped cross-section, the first and second extensions corresponding to different portions of the T-shaped cross-section. 22. The oven door of claim 1, wherein each of the middle frame members includes a shield member that contacts a surface of the rear glass, the shield member projecting a predetermined distance so that the rear glass is located at a position aligned with a corresponding one of the slots defined by the second projections. 23. The oven door of claim 22, wherein the shield member has a surface that is at least substantially parallel to and in contact with a surface of the rear glass. 24. The oven door of claim 22, wherein the shield member projects at least substantially parallel to one of the first or second grooves. 25. The oven door of claim 1, wherein the first groove is aligned at a position between the division members and the second groove is aligned with a second one of the division members adjacent the rear glass. 26. The oven door of claim 1, wherein the second extension forms at least part of a surface that seals a space between the division members. 27. The oven door of claim 26, wherein surfaces of the first and second lower fixtures seal a space between one of the division members and the rear glass. 28. The oven door of claim 26, wherein a space between one of the division members and the front glass is not sealed. 29. An oven door, comprising: a front glass; a door frame coupled to a rear side of the front glass, the door frame having lateral sides that are spaced apart from the rear side of the front glass; at least one division member attached to the door frame, wherein side edges of the at least one division member are coupled to the lateral sides of the door frame; a rear glass; a top cover that covers upper portions of the front glass and the at least one division member; an air introduction passage formed at a lower portion of the door such that external air can be introduced into a space formed between the front glass and the at least one division member; an air outlet formed between the front glass and the door frame such that air can be emitted from the space formed between the front glass and the at least one division member wherein a space between the at least one division member and the rear glass is sealed and the space between the front glass and the at least one division member is unsealed to allow heat to pass from the at least one division member to the air outlet, and wherein the air outlet is located along one or more of the lateral sides of the door frame to prevent the heat from flowing towards a handle of the oven door. 30. The oven door of claim 29, wherein the door frame is coupled to the front glass by one of an adhesive material and fasteners, and wherein the at least one division member is supported by the door frame. 31. The oven door of claim 29, wherein the door frame comprises first and second upper fixtures, first and second lower fixtures, and a middle frame. 32. The oven door of claim 31, wherein the first and second upper fixtures and the first and second lower fixtures include projections that couple the fixtures to the middle frame. 33. The oven door of claim 29, further comprising side-sealing members inserted and fixed between the at least one division member and the door frame, wherein the side-sealing members seal side edges of the at least one division member. 34. The oven door of claim 33, further comprising a top shield member that is horizontally fixed at an upper portion of the door frame to seal internal spaces formed, in part, by the at least one division member. 35. The oven door of claim 34, wherein elastic impact absorption material is formed on ends of the top shield member, the elastic impact absorption material contacting the at least one division member and the door frame. 36. The oven door of claim 29, further comprising: a door handle coupled to the door frame by fasteners that pass through the front glass. 37. An oven, comprising: a main body having a cooking cavity; a heat producing element; and a door that closes the cooking cavity, wherein the door comprises: a heat-resisting glass that shields heat generated in the cooking cavity; a front glass spaced apart from the heat-resisting glass; a rear glass spaced apart from the heat-resisting glass; a lower fixture coupled to a lower rear surface of the front glass, wherein lower end portions of the rear glass and the heat-resisting glass are each received in the lower fixture; an upper fixture coupled to an upper rear surface of the front glass and vertically aligned with the lower fixture; a middle frame that extends between the upper and lower fixtures, wherein the middle frame covers side edges of the heat-resisting glass and the rear glass, and wherein the middle frame is spaced from the front glass such that gaps formed between the side edges of the heat resisting glass and the rear glass are covered by the middle frame and a gap formed between the heat shielding glass and the front glass is exposed; and a door handle coupled to the upper fixture, wherein: the lower fixture includes a first projection having a first extension coupled to a first groove and a second extension coupled to a second groove in the middle frame, and a plurality of second projections that define guide slots for receiving the heat-resisting glass and rear glass, wherein the first projection is at least substantially parallel to the second projections, and the upper fixture includes a third extension aligned with and coupled to the first groove and a fourth extension or surface aligned with and coupled to the second groove. 38. The oven of claim 37, wherein the upper fixture comprises spacers that are inserted into holes in the front glass and which contact the door handle, the spacers having a thickness equal to or larger than that of the front glass and having a diameter that increases when the spacers are pressed in a longitudinal direction. 39. The oven of claim 37, wherein the heat resisting glass comprises: a first heat resistant glass panel spaced apart at a predetermined interval from the rear glass; and a middle glass panel spaced apart at predetermined intervals between the first heat resistant glass panel and the front glass, wherein the predetermined interval between the first heat resistant glass panel and the middle glass panel is maintained by at least one spacer positioned between top edges thereof. 40. The oven of claim 39, wherein lower end portions of the rear glass, the first heat resistant glass panel and the middle glass panel are received in the guide slots so as to maintain the predetermined intervals therebetween. 41. The oven of claim 37, wherein the door handle is coupled to the upper fixture by fasteners that pass through the front glass.
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