Multifunctional foldable movable bookshelf

Abstract

The utility model relates to a multifunctional foldable movable bookshelf, which comprises a bookshelf main body, the bookshelf main body comprises a plurality of groups of bookshelf unit cabinets, the adjacent bookshelf unit cabinets are hinged, and the bookshelf main body can be folded or unfolded by rotating the plurality of groups of bookshelf unit cabinets along one hinged end or a plurality of hinged ends; mounting grooves are formed in the bottoms of the bookshelf unit cabinets, a plurality of walking assemblies are mounted in the mounting grooves and comprise trundles, and the lower ends of the trundles extend out of the lower ends of the bookshelf unit cabinets. According to the scheme, the bookshelf unit cabinets serve as storage units and are used for storing books, data, study stationery, ornaments and the like; the adjacent bookshelf unit cabinets are hinged to each other, so that the adjacent bookshelf unit cabinets can rotate relatively to be folded or unfolded, the bookshelf main body can change the landing form according to the use requirements of different spaces, and the functionality is high; and trundles in the walking assemblies can support the bookshelf main body and realize free movement of the bookshelf main body, and meanwhile, the bookshelf unit cabinet is also convenient to fold.

Description

Technical Field

[0001] The utility model relates to the technical field of furniture, in particular to a multifunctional foldable and movable bookshelf. Background Art

[0002] Nowadays, most bookcases on the market are in the form of fixed combination and connection, which are fixed in a specific place in the space and cannot be freely adjusted. Conventional bookcases have simple functions and single functional utilization, and cannot be changed and combined according to the needs of different groups of people. Summary of the invention

[0003] In order to solve the above problems, the purpose of the utility model is to provide a multifunctional foldable and movable bookshelf, which can change the connection and landing form between the bookshelf unit cabinets while storing books on the bookshelf, realize the folding, unfolding and free movement of the bookshelf, and achieve the effect of free transformation of the bookshelf according to function and space requirements.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0005] A multifunctional foldable movable bookshelf comprises a bookshelf main body, characterized in that: the bookshelf main body comprises a plurality of groups of bookshelf unit cabinets, adjacent bookshelf unit cabinets are hinged, and the plurality of groups of bookshelf unit cabinets can be rotated along one or more hinged ends to realize the folding or unfolding of the bookshelf main body; a mounting groove is constructed at the bottom of the bookshelf unit cabinet, a plurality of groups of walking components are installed in the mounting groove, the walking components comprise casters, and the lower ends of the casters extend out of the lower ends of the bookshelf unit cabinets.

[0006] In the above technical solution, the bookshelf unit cabinet is used as a storage unit for storing books, materials, study stationery and ornaments, etc.; adjacent bookshelf unit cabinets are hinged so that the adjacent bookshelf unit cabinets can be relatively rotated to be folded or unfolded, so that the bookshelf body can change the landing form according to the usage requirements of different spaces, and the functionality is high; the casters in the walking assembly can support the bookshelf body and realize the free movement of the bookshelf body, and also facilitate the folding of the bookshelf unit cabinet.

[0007] Preferably, adjacent bookshelf unit cabinets are hinged by at least one set of cross hidden hinges. In this technical solution, when the bookshelf body is not folded for use, the cross hidden hinges are hidden in the bookshelf body, which is more concealed and more beautiful. At the same time, the cross hidden hinges are more suitable for folding between cabinets and have a stable structure.

[0008] Preferably, adjacent bookshelf unit cabinets are hinged by three sets of cross hidden hinges, and the three sets of cross hidden hinges are vertically regularly distributed. In this technical solution, the three sets of cross hidden hinges are vertically regularly distributed so that the bookshelf unit cabinets are more stable when relatively folded, and the bookshelf unit cabinets will not shake.

[0009] Preferably, the bookshelf body includes four groups of bookshelf unit cabinets, and a first cross hidden hinge group located in the middle of the bookshelf body and a second cross hidden hinge group located on both sides of the first cross hidden hinge group are formed between adjacent bookshelf unit cabinets, wherein the first cross hidden hinge group is installed between the outer sides of adjacent bookshelf unit cabinets, and the second cross hidden hinge group is installed between the inner sides of adjacent bookshelf unit cabinets. In this technical solution, the first cross hidden hinge group is arranged on the outer side and the second cross hidden hinge groups on both sides are arranged on the inner side, so that the three groups of bookshelf unit cabinets can be folded in two directions. If the hinges are all arranged on one side, the convertible combination states will be greatly reduced, reducing the multifunctionality.

[0010] Preferably, the bookshelf body has a first unfolded state, and the four groups of bookshelf unit cabinets rotate along the hinge ends to present a W shape.

[0011] Preferably, the bookshelf body has a second unfolded state, the two groups of bookshelf unit cabinets in the middle are arranged horizontally, and the two groups of bookshelf unit cabinets on the outside are rotated inward along the hinge ends to be relatively inclined.

[0012] Preferably, the bookshelf body has a third unfolded state, and the four groups of bookshelf unit cabinets are rotated at right angles along the hinged ends in the middle.

[0013] Preferably, the bookshelf body has a fourth unfolded state, and the four groups of bookshelf unit cabinets are in a straight line; the bookshelf body has a folded state, and the four groups of bookshelf unit cabinets are rotated 180° along the hinged end to form mutually fitting squares.

[0014] In the above technical solution, the main body of the bookshelf presents four unfolded states and one folded state, which can show different functions or roles in different spaces. For example, the W shape can be used as a bookshelf in the study, or as a storage cabinet for antiques and ornaments. The cabinets are staggered, and the aesthetics and partitioning are better; the second unfolded state can be used as a screen in the living room in addition to the storage function; the third unfolded state can be used as a shelf for wine in the restaurant in addition to being used as a bookshelf; the fourth unfolded state can be used as a storage cabinet against the wall in the living room in addition to being used as a bookshelf; in the folded state, since the length of the bookshelf is greatly reduced, in addition to being used as a bookshelf in a small space, it can also be used as a shoe cabinet in the entrance or a sideboard in the restaurant.

[0015] It should be noted here that in addition to the five ground positions mentioned above, the bookshelf body also has many other ground positions and can be moved and changed according to the user's preferences and the space used.

[0016] Preferably, the four groups of bookshelf unit cabinets include a first bookshelf unit cabinet, a second bookshelf unit cabinet, a third bookshelf unit cabinet and a fourth bookshelf unit cabinet, wherein:

[0017] The first bookshelf unit cabinet comprises a first bottom plate, a first back plate, first vertical plates installed on both sides of the first back plate and the first bottom plate, and a plurality of first partition plates installed between the first vertical plates on both sides;

[0018] The second bookshelf unit cabinet comprises a second bottom plate, a second back plate, second vertical plates installed on both sides of the second back plate and the second bottom plate, a plurality of second partition plates installed between the second vertical plates on both sides, and a first vertical partition plate vertically partitioned and arranged on the plurality of second partition plates;

[0019] The third bookshelf unit cabinet comprises a third bottom plate, a third back plate, third vertical plates installed on both sides of the third back plate and the third bottom plate, a plurality of third partition plates installed between the second vertical plates on both sides, and a plurality of second vertical partition plates vertically partitioned and intermittently arranged between the plurality of second partition plates;

[0020] The fourth bookshelf unit cabinet includes a fourth bottom plate, a fourth back plate, a fourth vertical plate installed on both sides of the fourth back plate and the fourth bottom plate, a plurality of fourth partition plates installed between the fourth vertical plates on both sides, and a plurality of third vertical partition plates that are vertically partitioned and regularly staggered between the plurality of second partition plates.

[0021] In the above technical solution, the four sets of bookshelf unit cabinets of the bookshelf body have different structures, which are suitable for the storage convenience of different objects and make the bookshelf body look more beautiful. In addition, the backboard in this case can be digitally printed. When the four backboards are connected together and used as screens, landscape paintings can be printed on them, which is more decorative.

[0022] Preferably, the caster is a universal wheel, and the walking assembly further comprises a side brake member arranged on the side of the universal wheel. In this technical solution, the universal wheel makes it easier to fold the bookshelf body and the bookshelf unit cabinet, and the side brake member is arranged to lock the universal wheel after the bookshelf body is determined to be in the grounded state, thereby preventing the bookshelf body from moving, thereby maintaining this state and the relative stability of the whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The present invention is a schematic diagram of the three-dimensional structure of a multifunctional foldable movable bookshelf in a fourth unfolding state.

[0024] Figure 2 The present invention is a schematic diagram of the three-dimensional structure of a multifunctional foldable movable bookshelf in a third unfolded state.

[0025] Figure 3 The present invention is a schematic diagram of the three-dimensional structure of a multifunctional foldable mobile bookshelf in a folded state.

[0026] Figure 4 The present invention is a schematic diagram of the three-dimensional structure of a multifunctional foldable movable bookshelf in a second unfolded state.

[0027] Figure 5 The present invention is a simplified plan view of a multifunctional foldable movable bookshelf in a first unfolded state.

[0028] Figure 6 The present invention is a simplified plan view of a multifunctional foldable movable bookshelf in a second unfolded state.

[0029] Figure 7 The present invention is a simplified plan view of a multifunctional foldable and movable bookshelf in a third unfolded state.

[0030] Figure 8 The present invention is a simplified plan view of a multifunctional foldable movable bookshelf in a fourth unfolded state.

[0031] Fig. 9 The present invention is a simplified plan view of a multifunctional foldable mobile bookshelf in a folded state.

[0032] Fig.10 It is a schematic diagram of the three-dimensional structure of the cross hidden hinge in the unfolded state.

[0033] Fig.11 It is a schematic diagram of the planar structure with the cross hidden hinge in the unfolded state.

[0034] Fig.12 It is a schematic diagram of the planar structure of the cross hidden hinge in a closed (hidden) state.

[0035] Fig.13 This is a schematic diagram of the arrangement of the universal wheels at the bottom of the bookshelf unit cabinet. Implementation

[0036] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0038] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more, unless otherwise clearly defined.

[0039] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0041] like Figures 1 to 13A multifunctional foldable movable bookshelf shown includes a bookshelf main body, wherein the bookshelf main body includes a plurality of groups of bookshelf unit cabinets 1, and adjacent bookshelf unit cabinets 1 are hinged, and the plurality of groups of bookshelf unit cabinets 1 can be rotated along one or more hinged ends to realize the folding or unfolding of the bookshelf main body; an installation groove 2 is constructed at the bottom of the bookshelf unit cabinet 1, and a plurality of groups of walking components are installed in the installation groove 2, and the walking components include casters, and the lower ends of the casters extend out of the lower end of the bookshelf unit cabinet 1.

[0042] In the above technical solution, the bookshelf unit cabinet is used as a storage unit for storing books, materials, study stationery and ornaments, etc.; adjacent bookshelf unit cabinets are hinged so that the adjacent bookshelf unit cabinets can be relatively rotated to be folded or unfolded, so that the bookshelf body can change the landing form according to the usage requirements of different spaces, and the functionality is high; the casters in the walking assembly can support the bookshelf body and realize the free movement of the bookshelf body, and also facilitate the folding of the bookshelf unit cabinet.

[0043] In addition, the installation groove is set so that other components in the walking assembly fall into the groove and are covered, while the casters are exposed from the installation groove, which can avoid the unsightly appearance of exposed parts.

[0044] Furthermore, adjacent bookshelf unit cabinets 1 are hinged by at least one set of cross hidden hinges 3. Figures 10 to 13 As shown, when the bookshelf body is not folded for use, the cross hidden hinge (cross hidden hinge) is hidden in the bookshelf body, which is more concealed and beautiful. At the same time, the cross hidden hinge is more suitable for folding between cabinets and has a stable structure.

[0045] Furthermore, adjacent bookshelf unit cabinets 1 are hinged by three sets of cross hidden hinges 3, and the three sets of cross hidden hinges 3 are vertically regularly distributed. In this technical solution, the three sets of cross hidden hinges are vertically regularly distributed, so that the bookshelf unit cabinets are more stable when folded relatively, and the bookshelf unit cabinets will not shake.

[0046] Furthermore, the bookshelf body includes four groups of bookshelf unit cabinets 1, and a first cross hidden hinge group 4 located in the middle of the bookshelf body and a second cross hidden hinge group 5 located on both sides of the first cross hidden hinge group 4 are formed between adjacent bookshelf unit cabinets 1, wherein the first cross hidden hinge group 4 is installed between the outer sides of adjacent bookshelf unit cabinets 1, and the second cross hidden hinge group 5 is installed between the inner sides of adjacent bookshelf unit cabinets 1. In this technical solution, the first cross hidden hinge group is arranged on the outer side and the second cross hidden hinge groups on both sides are arranged on the inner side, so that the three groups of bookshelf unit cabinets can be folded in two directions. If the hinges are all arranged on one side, the convertible combination states will be greatly reduced, reducing the multifunctionality.

[0047] like Figure 5As shown, the bookshelf body has a first unfolded state, and the four groups of bookshelf unit cabinets 1 rotate along the hinged ends to present a W shape.

[0048] like Figure 4 and 6 As shown, the bookshelf body has a second unfolded state, the two groups of bookshelf unit cabinets 1 in the middle are arranged horizontally, and the two groups of bookshelf unit cabinets 1 on the outside are rotated inward along the hinge ends to form a relative tilt.

[0049] like Figure 2 and Figure 7 As shown, the bookshelf body has a third unfolded state, and the four groups of bookshelf unit cabinets 1 are rotated at a right angle along the hinged end in the middle.

[0050] like Figure 1 and Figure 8 As shown, the bookshelf body has a fourth unfolded state, and the four groups of bookshelf unit cabinets 1 are in a straight line.

[0051] like Figure 3 and Fig. 9 As shown, the bookshelf body is in a folded state, and the four groups of bookshelf unit cabinets 1 are rotated 180 degrees along the hinged ends to form mutually fitting square blocks.

[0052] In the above technical solution, the main body of the bookshelf presents four unfolded states and one folded state, which can show different functions or roles in different spaces. For example, the W shape can be used as a bookshelf in the study, or as a storage cabinet for antiques and ornaments. The cabinets are staggered, and the aesthetics and partitioning are better; the second unfolded state can be used as a screen in the living room in addition to the storage function; the third unfolded state can be used as a shelf for wine in the restaurant in addition to being used as a bookshelf; the fourth unfolded state can be used as a storage cabinet against the wall in the living room in addition to being used as a bookshelf; in the folded state, since the length of the bookshelf is greatly reduced, in addition to being used as a bookshelf in a small space, it can also be used as a shoe cabinet in the entrance or a sideboard in the restaurant.

[0053] It should be noted here that in addition to the five ground positions mentioned above, the bookshelf body also has many other ground positions and can be moved and changed according to the user's preferences and the space used.

[0054] Furthermore, the four groups of bookshelf unit cabinets 1 include a first bookshelf unit cabinet 6, a second bookshelf unit cabinet 7, a third bookshelf unit cabinet 8 and a fourth bookshelf unit cabinet 9, wherein:

[0055] The first bookshelf unit cabinet 6 includes a first bottom plate, a first back plate 61, first vertical plates installed on both sides of the first back plate 61 and the first bottom plate, and a plurality of first partition plates installed between the first vertical plates on both sides;

[0056] The second bookshelf unit cabinet 7 comprises a second bottom plate, a second back plate 71, second vertical plates installed on both sides of the second back plate 71 and the second bottom plate, a plurality of second partition plates installed between the second vertical plates on both sides, and a first vertical partition plate vertically partitioned and arranged on the plurality of second partition plates;

[0057] The third bookshelf unit cabinet 8 comprises a third bottom plate, a third back plate 81, third vertical plates installed on both sides of the third back plate 81 and the third bottom plate, a plurality of third partition plates installed between the second vertical plates on both sides, and a plurality of second vertical partition plates vertically partitioned and intermittently arranged between the plurality of second partition plates;

[0058] The fourth bookshelf unit cabinet 9 includes a fourth bottom plate, a fourth back plate 91, fourth vertical plates installed on both sides of the fourth back plate 91 and the fourth bottom plate, multiple fourth partitions installed between the fourth vertical plates on both sides, and multiple third vertical partitions that are vertically partitioned and regularly staggered between the multiple second partitions.

[0059] In the above technical solution, the four sets of bookshelf unit cabinets of the bookshelf body have different structures, which are suitable for the storage convenience of different objects and make the bookshelf body look more beautiful. In addition, the backboard in this case can be digitally printed. When the four backboards are connected together and used as screens, landscape paintings can be printed on them, which is more decorative.

[0060] like Fig.13 As shown, the caster is a universal wheel 10, and the walking assembly further includes a side brake 11 arranged on the side of the universal wheel 10. In this technical solution, the universal wheel makes it easier to fold the bookshelf body and the bookshelf unit cabinet, and the side brake is arranged to lock the universal wheel after the bookshelf body is determined to be in the grounded state, thereby preventing the bookshelf body from moving, thereby maintaining this state and the relative stability of the whole.

[0061] In this specific embodiment, in order to solve the problems that existing bookshelves are fixed, inconvenient to move and have single functionality, the above scheme connects multiple bookshelf unit cabinets through a hidden cross hinge to achieve mutual folding between the multiple bookshelf unit cabinets, and at the same time, universal wheels are arranged at the bottom of the bookshelf unit cabinet to support the bookshelf body, which facilitates the movement of the entire bookshelf and the movement and folding of a single bookshelf unit cabinet, so that the entire bookshelf can be transformed into different combination forms according to different space requirements, reflecting the diversity of bookshelf functions.

[0062] Specifically, the bottom of a single bookshelf unit cabinet in this case is regularly provided with four sets of universal wheels, which provide better support and movement effects.

[0063] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0064] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention.

Claims

1. A multifunctional foldable mobile bookshelf, comprising a bookshelf body, Features: The bookshelf main body comprises a plurality of groups of bookshelf unit cabinets (1), adjacent bookshelf unit cabinets (1) are hinged, and the plurality of groups of bookshelf unit cabinets (1) can be rotated along one or more hinged ends to realize the folding or unfolding of the bookshelf main body; a mounting groove (2) is constructed at the bottom of the bookshelf unit cabinet (1), and a plurality of groups of walking components are installed in the mounting groove (2), and the walking components include casters, and the lower ends of the casters extend out of the lower end of the bookshelf unit cabinet (1).

2. A multifunctional foldable mobile bookshelf according to claim 1, Features: Adjacent bookshelf unit cabinets (1) are hingedly connected via at least one set of cross hidden hinges (3).

3. A multifunctional foldable mobile bookshelf according to claim 2, Features: Adjacent bookshelf unit cabinets (1) are hingedly connected via three groups of cross hidden hinges (3), and the three groups of cross hidden hinges (3) are regularly distributed vertically.

4. A multifunctional foldable mobile bookshelf according to claim 2, Features: The bookshelf body comprises four groups of bookshelf unit cabinets (1), wherein a first cross hidden hinge group (4) located in the middle of the bookshelf body and a second cross hidden hinge group (5) located on both sides of the first cross hidden hinge group (4) are formed between adjacent bookshelf unit cabinets (1), wherein the first cross hidden hinge group (4) is installed between the outer sides of adjacent bookshelf unit cabinets (1), and the second cross hidden hinge group (5) is installed between the inner sides of adjacent bookshelf unit cabinets (1).

5. A multifunctional foldable mobile bookshelf according to claim 4, Features: The bookshelf body has a first unfolded state, and the four groups of bookshelf unit cabinets (1) rotate along the hinged ends to present a W shape.

6. A multifunctional foldable mobile bookshelf according to claim 4, Features: The bookshelf body has a second unfolded state, the two groups of bookshelf unit cabinets (1) in the middle are arranged horizontally, and the two groups of bookshelf unit cabinets (1) on the outside are rotated inwards along the hinge ends to form a relative tilt.

7. The multifunctional foldable mobile bookshelf according to claim 4, Features: The bookshelf body has a third unfolded state, and the four groups of bookshelf unit cabinets (1) are rotated at right angles along the hinged ends in the middle.

8. The multifunctional foldable movable bookshelf according to claim 4, Features: The bookshelf body has a fourth unfolded state, and the four groups of bookshelf unit cabinets (1) are in a straight line shape; the bookshelf body has a folded state, and the four groups of bookshelf unit cabinets (1) are rotated 180 degrees along the hinged ends to form mutually fitting square blocks.

9. The multifunctional foldable movable bookshelf according to claim 4, Features: The four groups of bookshelf unit cabinets (1) include a first bookshelf unit cabinet (6), a second bookshelf unit cabinet (7), a third bookshelf unit cabinet (8) and a fourth bookshelf unit cabinet (9), wherein: The first bookshelf unit cabinet (6) comprises a first bottom plate, a first back plate (61), first vertical plates installed on both sides of the first back plate (61) and the first bottom plate, and a plurality of first partition plates installed between the first vertical plates on both sides; The second bookshelf unit cabinet (7) comprises a second bottom plate, a second back plate (71), second vertical plates installed on both sides of the second back plate (71) and the second bottom plate, a plurality of second partition plates installed between the second vertical plates on both sides, and first vertical partition plates vertically partitioned and arranged on the plurality of second partition plates; The third bookshelf unit cabinet (8) comprises a third bottom plate, a third back plate (81), third vertical plates installed on both sides of the third back plate (81) and the third bottom plate, a plurality of third partition plates installed between the second vertical plates on both sides, and a plurality of second vertical partition plates that are vertically partitioned and intermittently arranged between the plurality of second partition plates; The fourth bookshelf unit cabinet (9) comprises a fourth bottom plate, a fourth back plate (91), fourth vertical plates installed on both sides of the fourth back plate (91) and the fourth bottom plate, a plurality of fourth partition plates installed between the fourth vertical plates on both sides, and a plurality of third vertical partition plates vertically partitioned and regularly staggered between the plurality of second partition plates.

10. The multifunctional foldable mobile bookshelf according to claim 1, Features: The caster is a universal wheel (10), and the walking assembly further comprises a side brake component (11) arranged on the side of the universal wheel (10).

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