• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    QUICK DRAWERS WITH ROLLERS AND RAMP. The present invention relates to a quick drawer for a refrigerator. The quick drawer includes a quick tray and a shelf. The quick deck has a pair of deck bearing surfaces with a chute portion. The shelf is attached to the storage compartment, and has a pair of fixed shelf rolls. Each pair of fixed shelf rollers rolls over each of the tray bearing surfaces, and each pair of the rear tray rollers rolls over each of the shelf bearing surfaces. As the user pushes the quick drawer closed, both the shelf rollers and the tray rollers roll on the bearing surfaces. When the shelf rollers reach a chute portion, the quick drawer is automatically closed without user pushing.
    公开号:BR112013027716B1
    申请号:R112013027716-5
    申请日:2012-04-11
    公开日:2021-01-26
    发明作者:Timothy Bryan Rackley；Bryan A. Collins；Paul H. Kelly
    申请人:Electrolux Home Products, Inc.；
    IPC主号:
    专利说明:

    [0001] [0001] The present invention relates generally to a quick drawer for refrigerators. In particular, the invention relates to a quick drawer, including a quick tray that is automatically closed.
    [0002] [0002] A refrigerator is an electrical appliance in which a refrigeration cycle of compression, condensation, expansion and evaporation is repeated using refrigerant to store food at a low temperature. Generally, refrigerators are adapted to store various foods at a low temperature, in a cool state, in refrigeration and freezing compartments defined in a refrigerator body, circulating cold air in the refrigeration and freezing compartment. In the freezing compartment, food, such as meat or ice cream, to be kept at a temperature not exceeding its freezing temperature, is stored. On the other hand, food, such as vegetables or drinks, to be kept at a temperature slightly above its freezing temperature, is stored in the refrigeration compartment or within the controlled temperature of the storage containers within the refrigeration compartment. Thus, the recent trend to equip refrigerators with storage containers has led to an increase in the total size of the refrigerator.
    [0003] [0003] As large refrigerators are becoming more common, several types of refrigerators have been developed to satisfy the increasing demands of the user. For example, a type of upper refrigerator is known in which a fresh food compartment is located above the freezer compartment and a side-by-side refrigerator is known in which a freezing compartment and a fresh food compartment are positioned. to the left and to the right of each other. A type of bottom refrigerator is also known in which a fresh food compartment is located below a freezer compartment.
    [0004] [0004] The concept of the bottom-mounted refrigerator is gaining popularity because it facilitates access to the fresh food compartment compared to the side-by-side refrigerators and current top-mounted refrigerators. The bottom-mounted refrigerator also has a better ergonomic position for storing food and not having as many hidden compartments.
    [0005] [0005] Current bottom-mount refrigerators have full-width storage compartments, which are popular with consumers. Each storage compartment has a quick drawer mounted there. Conventional quick drawers have ball bearing drawers that slide. However, these ball bearing drawers that slide are more expensive. In addition, it is desirable to provide each of the quick drawers with an automatic closing function, so that the user does not have to close the drawer completely.
    [0006] [0006] So, what is needed is a quick drawer, which is less expensive than conventional quick drawers and has an automatic closing function. BRIEF SUMMARY OF THE INVENTION
    [0007] [0007] The following presents a simplified summary of the invention in order to provide a basic understanding of some examples of aspects of the invention. This summary does not have a broad view of the invention. In addition, this summary is not intended to identify critical elements of the invention or outline the scope of the invention. The sole purpose of the summary is to present some concepts of the invention in a simplified way, as a prelude to the more detailed description that is presented later.
    [0008] [0008] In accordance with one aspect of the present invention, a quick drawer for a refrigerator with a storage compartment is provided. The quick drawer is mounted inside the storage compartment. The quick drawer comprises a quick tray for storing at least one article and a shelf to support the quick tray. The quick tray is movable in relation to the storage compartment, while the shelf is attached to the storage compartment. The quick tray comprises a pair of rear rolls of the tray and a pair of rolling surfaces of the tray. Each of the rolling surfaces of the board comprises a ramp portion. On the other hand, the shelf comprises a pair of shelf bearing surfaces formed on the shelf, and a pair of fixed shelf rollers mounted on the shelf. Each of the fixed shelf roller pairs is scrollable on each of the tray bearing surfaces including the chute portion, and each of the rear tray bearing pairs is scrollable on each of the shelf bearing surfaces.
    [0009] [0009] According to another aspect of the present invention, a refrigerator comprises a housing and a quick drawer is provided. The quick drawer has defined a storage compartment here. The quick drawer is mounted inside the storage compartment. The quick drawer comprises a quick tray for storing at least one article and a shelf to support the quick tray. The quick tray is movable in relation to the storage compartment, while the shelf is attached to the storage compartment. The quick tray comprises a pair of rear bearings of the tray and a pair of bearing surfaces of the tray. Each of the rolling surfaces of the board comprises a ramp portion. On the other hand, the shelf comprises a pair of shelf bearing surfaces formed on the shelf, and a pair of fixed shelf bearings mounted on the shelf. Each of the pairs of fixed shelf bearings is rollable over each of the tray bearing surfaces including the ramp portion, and each of the pairs of rear tray bearings is rollable over each of the shelf bearing surfaces.
    [0010] [0010] It is an object of the present invention to provide a quick closed drawer automatically for a refrigerator. As the user pushes the quick drawer to close it, both the fixed shelf bearings and the rear tray bearings rotate on the bearing surfaces. When each of the shelf bearings reaches a ramp portion, the quick drawer closes automatically without user pushing.
    [0011] [0011] It is another object of the present invention to provide a quick drawer that is less expensive than conventional quick drawers with sliding ball bearing drawers. BRIEF DESCRIPTION OF THE DRAWINGS
    [0012] [0012] The foregoing aspects and other aspects of the present invention will become evident to those skilled in the art to which the present invention refers by reading the following description, with reference to the accompanying drawings, in which:
    [0013] [0013] FIG. 1 is a front view of a refrigerator that includes a quick drawer of the present invention;
    [0014] [0014] FIG. 2 is a perspective view of the quick drawer of FIG. 1 including a quick tray and a shelf to support the quick tray;
    [0015] [0015] FIG. 3 is a perspective view of the quick tray of FIG. 2 with a pair of rear tray bearings and a pair of tray bearing surfaces, each of which has a ramp portion;
    [0016] [0016] FIG. 4 is an enlarged view of one of the rear bearings of the fast tray tray of FIG. 3;
    [0017] [0017] FIG. 5 is an enlarged view of one of the fixed shelf rollers mounted on the shelf of FIG. two;
    [0018] [0018] FIG. 6 is a sectional view of the quick tray and the shelf of FIG. 2 in an open position;
    [0019] [0019] FIG. 7 is an enlarged view of the quick tray and the shelf of FIG. 6, wherein one of the fixed shelf rollers is interrupted by a stop characteristic formed on one of the tray bearing surfaces;
    [0020] [0020] FIG. 8 is a sectional view of the quick tray and the shelf of FIG. 2 in an almost closed position;
    [0021] [0021] FIG. 9 is an enlarged view of the quick tray and the shelf of FIG. 8 in which one of the fixed shelf rollers is rotating on the chute portion formed on one of the tray bearing surfaces;
    [0022] [0022] Whenever the same component appears in more than one figure in the drawings, it is identified in all figures in which it appears by the same reference number. DETAILED DESCRIPTION OF A MODE OF THE INVENTION
    [0023] [0023] Examples of embodiments that incorporate one or more aspects of the present invention are described and illustrated in the drawings. These illustrated examples are not intended to be a limitation on the present invention. For example, one or more aspects of the present invention can be used in other embodiments and even in other types of devices. In addition, certain terminology is used here for convenience only and should not be taken as a limitation of the present invention. Furthermore, in the drawings, the same reference numbers are used to designate the same elements.
    [0024] [0024] With reference to the drawings, FIG. 1 shows a typical household refrigerator usually indicated by 10. The refrigerator includes a storage compartment 11, which can be used to store objects for cooling. The storage compartment 11 can include a freezing compartment 12 and a refrigerator compartment 13. Fresh food and the freezing compartment can include closed drawers 14 and basket-type drawers 15 for storing food items and the like. The variety of drawers 14, 16 or baskets 15 in at least one of the compartments 12, 13 can be used to store various items, such as food items.
    [0025] [0025] An example of the quick drawer 14 of the present invention which is used in the refrigerator of FIG. 1 is shown in FIG. 2. The quick drawer 14 includes a quick tray 17 and a shelf 18. The quick tray 17 can be used to store various items, such as food items. The shelf 18, which is attached to the storage compartment 11, supports the quick tray 17 with the running surfaces and the rollers rolled onto the running surfaces. The shelf 18 can include a lid 19 that covers the side surfaces of the quick tray 17.
    [0026] [0026] As shown in FIG. 3, which is a perspective view of the quick tray 17, the quick tray 17 includes opposing bundles 20, 21. The opposing bundles 20, 21 are formed in the upper sections of the side plates of the quick tray 17. The bundle 20 is comprised of a upper plate 23, a lower plate 25, and a plurality of connecting plates 27 extending vertically from the lower surface of the upper plate 23 to the upper surface of the lower plate 25. In addition, another bundle 21 is composed of a plate upper plate 24, a lower plate 26, and a plurality of connecting plates 28 extending vertically from the lower surface of the upper plate 24 to the upper surface of the lower plate 26. The connecting plates 27 can be formed in substantially the same range from one end of the beam 20 to the other end of the beam 20. In addition, the connecting plates 28 can be formed in substantially the same range from one end of the beam 20 to the or the end of the beam 20. Each of the connecting plates 27 can be connected to the lower surface of the upper plate 23 substantially at a right angle. In addition, each of the connecting plates 28 can be connected to the lower surface of the upper plate 24 substantially at a right angle. The bundle 20 has a pocket portion 29 formed in the vicinity of one end of the bundle 20. In addition, another bundle 21 has a pocket portion 30 formed in the vicinity of an end of the bundle 21. The pocket portions 29, 30 are portions of bundles 20, 21 having diluted width, respectively, in order to place a pair of rear rolls of the tray on it. The pair of rear rollers on the tray (only one roll 31 is shown in FIG. 3) is inserted into pocket portions 29, 30 of bundles 20, 21, respectively. These rear rolls of the tray can be located higher than the upper surface of the bundles 20, 21, so that they can rotate smoothly. The lower surfaces of the lower plates 25, 26 constitute rolling surfaces of the tray 32, 33.
    [0027] [0027] FIG. 4 shows the rear bearing of tray 31 in an enlarged view. The rear bearing of the tray 31 includes a wheel 34, a pin 35 inserted in the central hole of the wheel 34, and a pair of sockets 36, 37 supporting the pin 35. Another rear bearing of the tray (not shown) also includes the components corresponding to wheel 34, pin 35, and socket pair 36, 37. The socket pair 36, 37 is attached to pocket portion 29. As shown in FIG. 3, the side walls of the pocket portion 29 are made up of two connecting plates 27, 27 and the side walls of the pocket portion 30 are made up of two connecting plates 28, 28. The distance between the connecting plates 27, 27 constituting the side walls of the pocket portion 29 can be widened at the bottom so that sockets 36, 37 can be fixedly placed in the widened space. The connecting plates 28, 28 forming the pocket portion 30 have the same type of enlarged portion. The pin 35 not only serves to retain the wheel 34 within the concave pocket portion 29, but also provides a rolling surface or shaft, so that the wheel 34 can rotate freely. The pair of sockets 36, 37 not only supports pin 35, but also helps wheel 34 to rotate smoothly around pin 35.
    [0028] [0028] On the other hand, FIG. 5 shows the fixed shelf bearing 38 in an enlarged view. The shelf 18 includes a pair of upper rails 39, 39 and lower rails 40, 40 (only an upper rail 39 of the pair of upper rails and a lower rail 40 of the pair of lower rails are shown in FIG. 5). Each of the upper rails 39, 39 opposes each of the lower rails 40, 40. Each of the upper rails 39, 39 has a shelf bearing surface 41 on which each of the pairs of the rear board bearings is rollable , as explained below. Between each of the upper rails 39, 39 and each of the lower rails 40, 40, there is a channel into which each of the bundles 20, 21 is inserted. The fixed shelf bearing 38 is positioned on the end portion of a lower rail 40 of the shelf 18. Another fixed shelf bearing (not shown) corresponding to the fixed shelf bearing 38 is also positioned on the end portion of another rail bottom (not shown) corresponding to bottom rail 40. As shown in FIG. 5, the end of the lower rail 40 is formed as a concave shape so that the fixed shelf bearing 38 is inserted in the concave shape. The concave shape can be formed by bending the end portion of the lower rails 40. Thus, like the rear bearing of the tray 31, the fixed shelf bearing 38 includes a wheel 42, a pin 43 inserted in the central hole of the wheel 42 , and a pair of sockets 44, 45 supporting pin 43. Another fixed shelf bearing (not shown) also includes the components corresponding to wheel 42, pin 43, and pair of sockets 44, 45. The end portion of the lower rail 40, which forms the side wall of the concave shape, may not be as high as the wheel 42, in order to help the wheel 42 to turn smoothly. As with the rear bearing of tray 31, the bottom of the concave bottom rail 40 can be widened so that sockets 44, 45 can be fixedly placed in the widened portion.
    [0029] [0029] FIGURES 6 and 7 are a sectional view of the quick tray 17 and the shelf 18 in an open position. In the open position, the fixed shelf bearing 38 is prevented from advancing towards the rear portion of the quick tray 17 (a direction A), by a characteristic of the stop 47 formed on the lower plate 25 of the beam 20. Another fixed shelf bearing (not shown) corresponding to the fixed shelf bearing 38 is also prevented from advancing towards the rear portion of the rapid tray 17 (a direction A), by another characteristic of the stop (not shown) on the lower plate 26 of the beam 21. The characteristic of the stop 47 and the characteristic of the corresponding stop can be anywhere on the lower plate 25 of the beam 20, depending on the desired degree of opening of the quick tray 17. On the other hand, the rear bearing of the tray 31 is located on the surface of shelf bearing 41. Another rear tray bearing (not shown) corresponding to the rear tray bearing 31 is also located on the other silver bearing surface row corresponding to the shelf bearing surface 41. When the fixed shelf bearing 38 is interrupted at the stop characteristic 47, the rear bearing of the tray 31 is also interrupted somewhere on the bearing surface of the shelf 41. Another shelf bearing fixed (not shown) works the same way. The bottom plates 25 of the beam 20 have a gradual slope portion 48 that starts from the vicinity of the stop characteristic 47 and ends at a peak portion 49 that is spaced beyond the front portion of the quick tray 17. Another slope portion gradual (not shown) is formed on the bottom plate 26 of the beam 21 in the same way. It is preferred that both portions of gradual slope are formed, in substantially the same position for each one so that the fixed shelf bearings and the rear bearings of the tray can roll smoothly over the bearing surfaces of the tray and the bearing surfaces of shelf, respectively. When the user pushes the front of the quick tray drawer 17 in direction A, the fixed shelf bearing 38 begins to rotate over the gradual slope portion 48 of the tray 32 bearing surface in direction B. Another fixed shelf bearing (not shown) also begins to rotate on the corresponding gradual slope portion of the other bearing surface of tray 33 in direction B in the same way. Because both portions of gradual slope are not too steep, users do not need to push hard in order to move the fixed shelf bearings. On the other hand, the rear tray bearing 31 begins to rotate on the bearing surface of the shelf 41 in direction B. Another rear tray bearing (not shown) corresponding to the rear tray bearing 31 begins to rotate on the other surface. corresponding shelf bearing (not shown) to the shelf bearing surface 41 in direction B in the same way.
    [0030] [0030] When the fixed shelf bearing 38 previously reaches the peak portion 49, it begins to rotate to a ramp portion 50 formed on the tray bearing surface 32. At that time, the end portion of the shelf 18 may, preferably be located about 2-1 / 2 inches from the front portion of the quick tray 17. The corresponding fixed shelf bearing (not shown) rotates in the same way as the fixed shelf bearing 38 rotates on the surface of tray bearing 32. FIGURES 8 and 9 are the sectional views of the quick tray 17 and the shelf 18 in an almost closed position, where the fixed shelf bearing 38 is rotated after the peak portion 49 and the ramp portion 50. Since the ramp portion 50 is a steep surface, the fixed shelf bearing 38 rotates on the ramp portion 50 without adding any force on the part of the user (i.e., self-rolling). Thus, the quick tray 17 is automatically closed on the shelf 18. The ramp portion 50 and the corresponding ramp portion can be located in a position 1 to 4 inches from the front portion of the quick tray 17. However, the location of the ramp portion 50 in a position greater than 3.5 inches from the front portion of tray 17 cannot work very well on the automatic closing feature. Each ramp portion 50 and the corresponding ramp portion may preferably be tilted at an angle of 12 to 13 degrees, more preferably 12.8 degrees on each of the upper surfaces of the opposing beams 20, 21. The angle of the ramp portion 50 is generally greater than the angle of the gradual slope portion 48.
    [0031] [0031] After the fixed shelf bearing 38 rotates beyond the end of the ramp portion 50, the fixed shelf bearing 38 still continues to rotate until it reaches near the end of the tray bearing surface 32 because of the energy potential generated at from the slope of the ramp portion 50. The corresponding fixed shelf bearing (not shown) rotates in the same way as the fixed shelf bearing 38. When the fixed shelf bearing 38 and the corresponding fixed shelf bearing (not shown) ) rest on the prescribed position, the quick tray 17 is completely closed inside the quick shelf 18.
    [0032] [0032] The invention has been described with reference to the examples of embodiments described above. Modifications and changes will occur in others after reading and understanding this specification. Examples of embodiments that incorporate one or more aspects of the present invention are intended to include all such modifications and changes as long as they are within the scope of the appended claims.
    权利要求:
    Claims (18)
    [0001]
    Quick drawer (14) for a refrigerator with a storage compartment (11), where the quick drawer (14) is mounted inside the storage compartment (11), the quick drawer (14) comprising: a quick tray (17) for storing at least one article, wherein the quick tray (17) is movable relative to the storage compartment (11) and comprises a pair of rear tray rollers (31), a pair of bundles ( 20, 21) formed in an upper portion of the quick tray (17), and a pair of tray bearing surfaces (32, 33), in which each of the pairs of tray bearing surfaces (32, 33) is formed on a lower surface of each of the pairs of bundles (20, 21) and comprises a ramp portion (50); and a shelf (18) for supporting the quick tray (17), where the shelf (18) is attached to the storage compartment (11) and comprises a pair of upper rails (39, 39), a pair of lower rails (40 , 40) opposite the top rails (39, 39), a pair of channels each formed between each of the top rails pairs (39, 39) and each of the bottom rails pairs (40, 40), a pair of shelf bearing surfaces (41) formed on the shelf (18), and a pair of fixed shelf rollers (38) mounted on the shelf (18), characterized by each of the pairs of fixed shelf rollers (38) being scrollable on each of the pairs of tray bearing surfaces (32, 33), including the ramp portion (50), each of the pairs of rear rollers of tray (31) be scrollable on each of the pairs of shelf bearing surfaces (42), and each of the pairs of bundles (20, 21) be inserted into each of the pairs of channels.
    [0002]
    Quick drawer (14) according to claim 1, characterized in that the pair of upper rails (39, 39) and lower rails (40, 40) are mounted on the side surfaces of the shelf (18), in which each of the pairs of the board bearing surfaces (32, 33) is formed on each of the pairs of upper rails (39, 39).
    [0003]
    Rapid drawer (14) according to claim 2, characterized in that one of the pairs of fixed shelf rollers (38) is mounted on an end portion of each of the pairs of lower rails (40, 40).
    [0004]
    Quick drawer (14) according to claim 1, characterized in that each of the pairs of rear tray rollers (31) is mounted on an end portion of each of the pairs of bundles (20,21).
    [0005]
    Rapid drawer (14) according to claim 1, characterized in that the ramp portion (50) is inclined at an angle of 12 to 13 degrees for a top surface of each of the pairs of bundles (20,21).
    [0006]
    Rapid drawer (14) according to claim 1, characterized in that the ramp portion (50) extends from 2.54 cm to 10.16 cm (1 to 4 inches) from an end portion of each of the pairs of bundles (20, 21).
    [0007]
    Rapid drawer (14) according to claim 1, characterized in that the ramp portion (50) extends from 2.54 cm to 8.89 cm (1 to 3.5 inches) from an end portion of each one of the pairs of bundles (20, 21).
    [0008]
    Rapid drawer (14) according to claim 1, characterized in that each of the tray bearing surfaces (32, 33) further comprises a stop device ((47) to prevent each pair of fixed shelf rollers (38 ) roll past the stop device (47).
    [0009]
    Rapid drawer (14) according to claim 1, characterized in that the stopping device (47) is a projection formed on the tray bearing surface (32, 33).
    [0010]
    Refrigerator (10) comprising: an outer covering as having defined a storage compartment (11) there; and a quick drawer (14) mounted inside the storage compartment (11), the quick drawer (14) comprising: a quick tray (17) for storing at least one article, wherein the quick tray (17) is movable relative to the storage compartment (11) and comprises a pair of rear tray rollers (31), a pair of bundles ( 20, 21) formed in an upper portion of the quick tray (17), and a pair of tray bearing surfaces (32, 33), in which each of the pairs of the tray bearing surfaces (32, 33) is formed on a lower surface of each of the pairs of bundles (20, 21) and comprises a ramp portion (50); and a shelf (18) for supporting the quick tray (17), where the shelf (18) is attached to the storage compartment (11) and comprises a pair of upper rails (39, 39), a pair of lower rails (40 , 40) opposite the top rails (39, 39), a pair of channels each formed between each of the top rails pairs (39, 39) and each of the bottom rails pairs (40, 40), a pair of shelf bearing surfaces (41) formed on the shelf (18), and a pair of fixed shelf rollers (38) mounted on the shelf (18), characterized by each of the pairs of fixed shelf rollers (38) being rollable on each of the pairs of tray bearing surfaces (32, 33), including the ramp portion (50), each of the pairs of rear rollers of tray (31) be scrollable on each of the pairs of shelf bearing surfaces (42), and each of the pairs of bundles (20, 21) be inserted into each of the pairs of channels.
    [0011]
    Refrigerator (10) according to claim 10, characterized in that the pair of upper rails (39, 39) and lower rails (40, 40) are mounted on the side surfaces of the shelf (18), each of which pairs of Board bearing surfaces (32, 33) are formed on each of the upper rail pairs (39, 39).
    [0012]
    Refrigerator (10) according to claim 11, characterized in that each of the pairs of fixed shelf rollers (38) is mounted on an end portion of each of the pairs of lower rails (40, 40).
    [0013]
    Refrigerator (10) according to claim 11, characterized in that each of the pairs of rear tray rollers (31) is mounted on an end portion of each of the pairs of bundles (20,21).
    [0014]
    Refrigerator (10) according to claim 11, characterized in that the ramp portion (50) is inclined at an angle of 12 to 13 degrees for a top surface of each of the pairs of bundles (20,21).
    [0015]
    Refrigerator (10) according to claim 11, characterized in that the ramp portion (50) extends from 2.54 cm to 10.16 cm (1 to 4 inches) from an end portion of each pair bundles (20, 21).
    [0016]
    Refrigerator (10) according to claim 11, characterized in that the ramp portion (50) extends from 2.54 cm to 8.89 cm (1 to 3.5 inches) from an end portion of each the bundle pairs (20, 21).
    [0017]
    Refrigerator (10) according to claim 11, characterized in that each of the tray bearing surfaces (32, 33) further comprises a stop device (47) to prevent each pair of fixed shelf rollers (38) from rolling in addition to the stop device (47).
    [0018]
    Refrigerator (10) according to claim 17, characterized in that the stopping device (47) is a projection formed on the tray bearing surface (32, 33).
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    同族专利:
    公开号 | 公开日
    WO2012148674A2|2012-11-01|
    US9115927B2|2015-08-25|
    AU2012250112B2|2016-10-13|
    EP2702337A2|2014-03-05|
    CN103620327A|2014-03-05|
    BR112013027716A2|2016-12-27|
    CN103620327B|2016-08-17|
    WO2012148674A3|2013-04-25|
    AU2012250112A1|2013-11-07|
    EP2702337B1|2016-10-05|
    US20120273504A1|2012-11-01|
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    法律状态:
    2018-12-18| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|
    2019-12-31| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|
    2020-12-08| B09A| Decision: intention to grant|
    2021-01-26| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 11/04/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US13/097,621|US9115927B2|2011-04-29|2011-04-29|Crisper drawers with rollers and ramp|
    US13/097,621|2011-04-29|
    PCT/US2012/033025|WO2012148674A2|2011-04-29|2012-04-11|Crisper drawers with rollers and ramp|
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