JP2005205048A - Partition body for book shelf - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a partition body for a book shelf, which is allowed to hold a book, data, or the like (hereinafter, "book, data, or the like" is referred to as a document) in an upright state by being interposed between the documents. <P>SOLUTION: The partition body for the book shelf, which is allowed to be interposed between the documents housed on a shelf board of the book shelf in an upright state, has a pair of side plates, a elastic body disposed on the opposed inner surfaces of the pair of side plates and having elasticity in the direction of separating the pair of side plates, and a side plate engagement mechanism for engageably and disengageably engaging the pair of side plates against the elasticity of the elastic body. The partition body is interposed between the documents, elastically presses the documents abutting on the outer surfaces of the side plates to both sides through the side plates to stably hold the documents in an upright state, and both side plates are held in a state of superposition by the side plate engagement mechanism when removed from the book shelf. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  In this invention, a document, a magazine, a document, etc. (hereinafter referred to as a book, a magazine, a document, etc., simply referred to as a document) placed on a shelf of a bookshelf is interposed in a gap between the document and the document is kept standing. The present invention relates to a bookcase partition to be held.

  In general, a bookshelf has shelves in multiple stages, and a number of books, magazines, materials, etc. (hereinafter, books, magazines, materials, etc. are simply referred to as documents) are placed on the shelf. It is stored in. There is also a bookshelf to which a partition for partitioning the shelf on each stage at a predetermined interval is attached. Such a partition includes a partition provided at a fixed position, a partition of a type in which the position of the partition can be arbitrarily changed on the shelf board, and the like.

For example, as the latter type of partition that can arbitrarily change the position of the partition on the shelf, as shown in FIG. Two rails 52 are attached to the bookcase 50 in parallel at a predetermined interval in the vertical direction. A support plate 54 is fixed to the back surface of the partition plate 51 standing on the stand base perpendicular to the front of the two rails 52, and the support plate 54 slightly protrudes from the two rails 2. A release stopper (not shown) that engages with the two rails 52 is fixed to the back surface of the plate 54. An attachment / removal port 53 is provided on one of the two rails 52 so that the stopper can be released from the engagement of the two rails.
Utility model registration No. 3075046

In addition, there is an extendable buckle end that utilizes the repulsive force and expansion and contraction of an elastic body. As shown in FIGS. 10 and 11, stoppers 61 and 62 are provided at both ends of the elastic body 60, and these are fitted into the space between the bookshelf 63 and the book 64 as shown in FIG. It is.
Japanese Patent Application No. 2003-102563

  In the former type in which the partition is provided at a fixed position, the position cannot be arbitrarily changed. Therefore, when the document is placed in a clogged state, the document is held in a stable state, but when there are few documents, the document may be out of shape by tilting the document, In addition, there is a problem that it is not suitable for making a book such as a thin book, a pamphlet that is easily deformed, and a saddle-stitched magazine.

  In addition, as shown in FIG. 9, in the case of a form in which the position of the partition can be arbitrarily changed on the shelf board, the size of the bookcase itself becomes a fixed shape. It could not be used as a partition.

  10 and 11, when a coil spring or bellows is used as the elastic body 60, the coil or bellows has a large thickness even in a contracted state, and the width occupied by the bookshelf 63. Becomes wider. Therefore, the dead space of the bookshelf 63 becomes wide and the space efficiency of the bookshelf 63 is poor. Furthermore, if the coil spring is removed from the bookshelf 63, the coil spring extends or the spring bends.

  The invention according to claim 1 is a bookshelf partition that can be interposed in a gap between documents standing upright on a shelf of the bookshelf. The partition includes a pair of side plates and a pair of side plates. An elastic body that is disposed on the inner surfaces facing each other and elastically has a pair of side plates separated from each other, and a side plate engagement mechanism that detachably engages the pair of side plates against the elasticity of the elastic body. The document is placed in contact with the outer surface of the side plate through the gap between the documents, and the document is elastically pressed from both sides through the side plate to stably hold the document in a standing state. In addition, in a state where the partition body is taken out from the bookshelf, both side plates are held in a state of being overlapped with each other by the side plate engaging mechanism.

  The invention according to claim 2 is the invention according to claim 1, wherein a plurality of elastic bodies are arranged on the inner surfaces of the pair of side plates facing each other.

  The invention according to claim 3 is the invention according to claims 1 to 2, wherein the elastic body is a left-right symmetric conical helical spring having a shape in which conical helical springs are connected to each other at the top thereof. The left and right point symmetrical conical helical springs have both end portions fixed to the inner surface of the side plate in a detachable manner.

  The invention according to a fourth aspect is the invention according to each of the first to third aspects, wherein the side plate engaging mechanism has a first engagement at both ends in one of the horizontal and vertical directions of one side plate. While providing a joint portion and a first engaged portion, the other side plate is opposed to the first engaging portion and the first engaged portion, respectively, against the elasticity of the elastic body, A second engaged portion and a second engaging portion that are detachably engaged with the first engaging portion and the first engaged portion are provided.

  According to a fifth aspect of the present invention, in the inventions according to the first to third aspects, the side plate engaging mechanism is provided at a position opposite to each other on the inner surface of the central portion of the pair of side plates against the elasticity of the elastic body. When a third engaging portion and a third engaged portion that are detachably engaged are provided, respectively, and when the third engaging portion and the third engaged portion are engaged, It has a space that can store the elastic body in the contracted state, and the third engaging portion and the third engaged portion are resistant to the elasticity of the elastic body by rotating one of the side plates. Thus, it can be freely engaged and disengaged.

  The invention according to claim 6 is the invention according to claim 5, wherein the third engaged portion further includes a second gap in which the third engaging portion can be rotatably housed. In the third engaged portion.

  The invention according to claim 1 is a bookshelf partition that can be interposed in a gap between documents standing upright on a shelf of the bookshelf. The partition includes a pair of side plates and a pair of side plates. An elastic body that is disposed on the inner surfaces facing each other and elastically has a pair of side plates separated from each other, and a side plate engagement mechanism that detachably engages the pair of side plates against the elasticity of the elastic body. The document is placed in contact with the outer surface of the side plate through the gap between the documents, and the document is elastically pressed from both sides through the side plate to stably hold the document in a standing state. At the same time, when the partition is removed from the bookshelf, the side plates are held together by the side plate engaging mechanism, so there is a gap between the documents on the shelf of the bookshelf. Documents and documents, even when not jammed If the gap arrangement of the partition member, both side plates regardless of the breadth of the gap is elastically pressed against the documents, stably it can be held in a standing state jammed documents. It can be used regardless of the size of the bookshelf.

  The invention according to claim 2 is the same as that of the invention according to claim 1 because a plurality of elastic bodies are arranged on the inner surfaces of the pair of side plates facing each other. In addition, in the case of a bookshelf that stores a vertically long document such as a magazine, the side plate is formed to be elongated. In this case, for example, if two elastic bodies are arranged in the vertical direction, the elastic force of the elastic body is , It is added evenly to the document and can hold the document upright.

  The invention according to claim 3 is the left-right symmetric cone helical spring having a shape in which conical helical springs are connected as elastic bodies to each other at the top in the invention according to claims 1-2. Since both ends of the left and right point symmetrical conical helical spring are detachably fixed to the inner surface of the side plate, the same effect as the invention according to claim 1 and claim 2 is obtained, and both side plates of the partition are overlapped. In the combined state, the gap between the two side plates is narrowed to a thickness about the diameter of the coil of the conical helical spring, so that the storage property is good. Since the elastic body is detachable from the side plate, the same effect as that of the invention according to claim 1 can be obtained, and furthermore, a partition body that can cope with various gaps can be prepared. In use, a document can be placed between the coils of the conical helical spring.

  According to a fourth aspect of the present invention, in the first to third aspects of the present invention, the side plate engaging mechanism has a first engagement at both ends of one side plate in either the horizontal or vertical direction. And the first engaged portion, the other side plate is opposed to the first engaging portion and the first engaged portion, respectively, against the elasticity of the elastic body, Since the second engaged portion and the second engaging portion that are detachably engaged with the first engaging portion and the first engaged portion are provided, claims 1 to 3 are provided. While having the same effect as the invention which concerns, when not using a partition, it can be made compact by making the both-sides board of a partition overlapped. Furthermore, in this state, it can also be used as a movable partition.

  According to a fifth aspect of the present invention, in the inventions according to the first to third aspects, the side plate engaging mechanism is provided at a position opposite to each other on the inner surface of the central portion of the pair of side plates against the elasticity of the elastic body. When a third engaging portion and a third engaged portion that are detachably engaged are provided, respectively, and when the third engaging portion and the third engaged portion are engaged, It has a space that can store the elastic body in the contracted state, and the third engaging portion and the third engaged portion are resistant to the elasticity of the elastic body by rotating one of the side plates. Thus, it is possible to engage and disengage, so that the same effects as those of the inventions according to claims 1 to 3 can be obtained, and the both side plates can be engaged and disengaged with one touch, and the handling is convenient.

    The invention according to claim 6 is the invention according to claim 5, wherein the third engaged portion further includes a second gap in which the third engaging portion can be rotatably housed. Is provided in the inside of the third engaged portion, so that the same effect as that of the fifth aspect can be obtained.

  A pair of side plates, a left-right symmetric cone helical spring that is disposed on the opposing inner surfaces of the pair of side plates and has elasticity in a direction in which the pair of side plates are separated from each other, and the horizontal or vertical direction of the two side plates A partition body having an engaging portion and an engaged portion that are respectively provided at both ends of each of the first and second engagement plates, and engage and disengage with each other against the elasticity of the helical spring. Formed. A document that is in contact with the outer surface of the side plate with the partition interposed between the documents is elastically pressed from both sides via the side plate to hold the document in an upright state, and the partition is attached to the bookshelf. In the state where it was taken out from the side plate, the side plates were held in a state of being overlapped with each other by the side plate engaging mechanism.

A first embodiment of the present invention will be described in detail with reference to FIGS.
1 to 2 show an embodiment of a partition 1 according to the present invention, and FIG. 1 is a perspective view of the partition 1. FIG. 2 is a perspective view showing a use state.

  1 to 2, a document 3 is placed on a shelf 2 of a bookshelf, and a partition 1 is inserted into a gap 8 of the document 3. The partition 1 includes a pair of side plates 4 (4a, 4b) facing each other, an elastic body 5 that elastically connects the side plates 4 in a direction away from each other, and a pair of side plates 4 (4a, 4b). 5 is constituted by a side plate engaging mechanism 6 that is detachably engaged against the elasticity of 5.

  In this embodiment, the pair of side plates 4 (4a, 4b) are both rectangular thin plates and are formed in the same shape, and the side plates 4 (4a, 4b) facing each other are formed. At both ends in the horizontal direction, a first engaging portion 6a and a first engaged portion 6bb are provided on one side plate 4a, respectively, and the other side plate 4b has a first engaging portion 6a of the one side plate 4a. A second engaged portion 6b that engages with the first engaging portion 6a is further provided at a position facing the first engaging portion 6a and the first engaged portion 6bb, respectively. A second engaging portion 6aa that engages with the joint portion 6bb is formed, and the first engaging portion 6a, the second engaged portion 6b, the second engaging portion 6aa, and the first engaging portion 6bb are formed. The side plate engagement mechanism 6 is configured by the engaged portion 6bb. The lower end of the side plate that comes into contact with the shelf 2 is formed in a horizontal shape along the surface of the shelf 2.

  In the case of this embodiment, the side plate 4 is formed in a rectangular shape, but is not limited to this shape, and may be a circular shape, a triangular shape, or any shape. Good. As in this embodiment, if the lower side plate abutting against the shelf 2 is horizontal, the partition 1 sits down when the partition 1 is inserted into the gap 8 between the document 3 and the document 3 on the shelf 2. Is easy to use and convenient.

  The elastic body 5 is a right-and-left symmetrical cone-shaped helical spring having a shape in which conical helical springs are connected to each other at the top, and both ends of the circular helical spring 5 are respectively connected to both side plates 4a, It is detachably fixed to the locking portion 7 having an L-shaped cross section on the inner surface of the central portion of 4b, and an elastic force is applied in the direction of separating the side plates 4 (4a, 4b) from each other. Therefore, when the partition 1 is inserted into the gap 8 between the documents 3 and 3, the side plates 4 (4a, 4b) are pressed in the direction in which the gap 8 is opened. On the other hand, the partition body 1 is pulled out from the gap 8 of the document 3, and both side plates 4 (4a, 4b) are overlapped to form a first engaging portion 6a, a second engaged portion 6b, and a second engaging portion. If 6aa and 1st to-be-engaged part 6bb are mutually engaged, the clearance gap between the side plates 4 (4a, 4b) will become narrow to the thickness about the diameter of the coil of a conical helical spring.

  In the case of the first embodiment, as shown in FIG. 1, the side plate engaging mechanism 6 is provided with a key-like rib having an L-shaped cross section at the first engaging portion 6a of one side plate 4a. The second engaged portion 6b of the other side plate 4b that engages with the first engaging portion 6a is notched in a concave shape. Similarly, the second engaging portion 6aa of the other side plate 4b and the first engaged portion 6bb of the one side plate 4a are formed in the same shape. Accordingly, the two side plates 4a and 4b are opposed to the elasticity applied in the direction away from each other by the elastic body 5, and the first engaging portion 6a and the second engaged portion of the side plate engaging mechanism 6 are engaged. The portion 6b, the second engaging portion 6aa, and the first engaged portion 6bb are configured to be detachably engaged with each other.

  In the case of the first embodiment, the side plate engaging mechanism 6 is used in the shape as described above, but is not limited thereto, and the two side plates 4a and 4b are The elastic body 5 may have any shape as long as it can be detachably engaged with each other against the elasticity applied in the direction away from each other. For example, you may attach the side plate engaging mechanism 6 comprised by a pair or more magnetic body (for example, permanent magnet). Moreover, the shape of Example 3 mentioned later may be sufficient.

  Since the partition 1 is configured as described above, if the partition 1 is inserted into the gap 8 between the document 3 and the document 3 on the shelf 2, the elastic body 5 causes the elastic body 5 to pass through both side plates 4 (4a, 4b). Since the document 3 is pressed in both directions, the document 3 can be stably held in an upright state. Furthermore, it is possible to stand up with a document or the like sandwiched in the gap between the coils of the conical helical spring. When the partition 1 is not used, the first engaging portion 6a and the first engaged portion 6b, and the second engaging portion 6aa and the second engaged portion 6bb are engaged with each other. Then, the conical conical spring 5 of the elastic body 5 contracts, and the gap between the side plates 4 (4a, 4b) becomes a narrow gap about the diameter of the coil of the conical helical spring, and can be housed in this state. I can do it. Alternatively, if both side plates 4 of the partition 1 are overlapped and placed on the shelf 2, the partition 1 can also be used as a movable partition 1.

A second embodiment of the present invention will be described in detail with reference to FIGS. In the case of the second embodiment, the side plate engagement mechanism is different from the first embodiment.
3 is a perspective view of the partition 10 according to the present invention, FIG. 4 is a perspective view of a main part showing the engaged portion 9b, and FIG. 5 is a plan view of the third engaging portion 9a. The conical helical spring (hereinafter referred to as helical spring 5) is housed. FIG. 6 is a plan view of the third engaged portion 9b and shows a state in which the helical spring 5 is housed. In addition, about the part same as Example 1, the same name and the same number are used and the description is abbreviate | omitted.

  3 to 6, the partition 10 includes a pair of side plates 4 (4a, 4b) facing each other, an elastic body 5 in which the side plates 4 are elastically arranged in a direction away from each other, and a pair of side plates 4 (4a, 4b, 4a, 4b). 4b), and a pair of side plates 4 (4a, 4b) are configured by a side plate engaging mechanism 9 that engages and disengages against the elasticity of the elastic body 5. As in the first embodiment, both ends of the elastic body 5 are detachably fixed to the inner surfaces of the central portions of the side plates 4a and 4b by the locking portions 7, respectively.

  As shown in FIGS. 3 and 4, the side plate engaging mechanism 9 can be engaged and disengaged against the elasticity of the elastic body 5 at positions facing each other on the inner surface of the central portion of the pair of side plates 4 (4 a, 4 b). Each has a third engaging portion 9a and a third engaged portion 9b to be engaged, and the third engaging portion 9a and the third engaged portion 9b are engaged with each other. When this is done, it has a gap (not shown) that can accommodate the elastic body 5 in a contracted state. And the 3rd engaging part 9a and the 3rd to-be-engaged part 9b are engaged with the elasticity of the elastic body 5 detachably by rotating any one side plate 4. It is configured as follows.

  A third engaging portion 9a is provided on the inner surface of the central portion of one side plate 4a, and the third engaging portion 9a includes an engaging portion main body 9aa and a flange portion 9ab. . The engagement portion main body 9aa is cylindrical and is provided so as to surround the outer periphery of the elastic body 5. The upper end of the engaging portion main body 9aa, that is, the end facing the other side plate 4b is opened, and the elastic body 5 is expanded and contracted in a state where the elastic body 5 is fixed to the one side plate 4a. It is possible. Further, the engagement portion main body 9aa has a gap that can sufficiently store the contracted elastic body 5. The flange portion 9ab is provided in a disc shape in the direction parallel to the surface of the one side plate 4a at the upper end of the opening of the engaging portion main body 9aa, and a part of the flange portion 9ab is cut away.

  A third engaged portion 9b is provided on the inner surface of the center portion of the other side plate 4b. The third engaged portion 9b is formed by an engaged portion main body 9ba and a lid portion 9bb. It is configured. The engaged portion main body 9ba has a cylindrical shape and is provided so as to surround the outer periphery of the elastic body 5. The third engaging portion 9a is rotatably accommodated therein, and is in a contracted state. A space capable of accommodating the elastic body 5 is formed in the engaged portion main body 9ba.

  The upper end of the engaged portion main body 9ba is partially open, and the upper end of the third engaging portion 9a, that is, the upper end of the engaging portion main body 9aa and the upper end of the flange portion 9ab are cut out so as to be fitted. In the same manner as the engaging portion main body 9aa, the elastic body 5 can be expanded and contracted while the elastic body 5 is fixed to the other side plate 4b. This notch portion is provided so that the upper end of the engaging portion 9a can be fitted in a state in which the pair of side plates 4 (4a, 4b) facing each other is rotated at an appropriate angle (90 ° in this embodiment). Yes. The lid portion 9bb rotates either one of the pair of opposing side plates 4 (4a, 4b) at an appropriate angle (90 ° in this embodiment), and the upper end of the engaging portion 9a is engaged with the engaged portion main body. After engaging the upper end of 9ba, when the pair of side plates 4 (4a, 4b) are turned back so as to face each other in the inserted state, the engaging portion 9a and the engaged portion 9b are engaged. Thus, the upper end portion of the engaged portion main body 9ba other than the notched portion is formed as a lid portion 9bb.

  Since the partition 1 is configured as described above, the side plate 4 is moved by the elastic force of the elastic body 5 when inserted into the gap 8 between the document 3 on the shelf 2 and the document 3 as in the first embodiment. Since the document 3 is pressed through, the document 3 can be stably held in an upright state. Further, it is possible to stand up with a document or the like sandwiched in the gap between the coils of the conical helical spring.

  When the partition 1 is not used, the pair of side plates 4 (4a, 4b) facing each other is rotated by an appropriate angle (90 ° in the case of the first embodiment), and the third engaging portion 9a The upper end is fitted into the upper end of the engaged portion main body 9ba, and in this state, the pair of side plates 4 (4a, 4b) are turned back so as to face each other. When the engaged portions 9b are engaged with each other, the helical spring contracts, and the gap between the side plates 4 becomes a narrow gap about the diameter of the coil of the helical spring, and can be stored in this state. In addition, when the pair of side plates 4 are used again, the engagement state of the side plates 4 is released only by rotating the pair of opposing side plates 4 (4a, 4b) by an appropriate angle (90 ° in this embodiment). It is convenient because it can be used.

  In the second embodiment, as described above, the engaged portion 9b includes the engaging portion 9a that is rotatable within the engaged portion 9b and the contracted elastic body 5 in the engaged portion 9b. Although it is configured to be retractable, the present invention is not limited to this configuration, and the engaging portion 9a is engaged with the engaged portion 9b that is rotatable inside and the elastic body 5 in a contracted state. You may comprise so that accommodation inside the joint part 9a is possible.

  A third embodiment of the present invention will be described in detail with reference to FIG. In the case of the third embodiment, the partition 20 is suitable for a bookshelf that stores documents such as vertically long magazines, and the side plate engagement mechanism is different from that of the first and second embodiments. It is an Example in case the body 5 is arrange | positioned in two places. FIG. 7 is a perspective view of the partition 20 according to the present invention. In addition, about the part same as the 1st and 2nd Example, the same name and the same number are used and the description is abbreviate | omitted.

  In FIG. 7, as in the first and second embodiments, the partition body 20 is provided with a pair of side plates 4 (4 a, 4 b) facing each other, and elasticity is applied in a direction in which the side plates 4 are separated from each other. The two elastic bodies 5 (5a, 5b), the pair of side plates 4 (4a, 4b), and the pair of side plates 4 (4a, 4b) can be freely engaged and disengaged against the elasticity of the elastic body 5. The two side plate engaging mechanisms 19 (19a and 19b and 19aa and 19b) to be engaged are configured.

  In the case of Example 3, the side plate 4 is formed in a vertically long shape so as to be suitable as a partition for a bookshelf that stores documents such as a vertically long magazine. Further, as the elastic body 5, a helical spring having the same shape as in the first and second embodiments is used, and both ends of each helical spring (hereinafter referred to as the helical spring 5 or the elastic body 5) are The two side plates 4a and 4b are fixed to the inner surfaces of the upper and lower ends in the vertical direction by the engaging portions 7 in a detachable manner.

  A key-shaped L-shaped fourth engagement portion 19a is provided at the upper end in the vertical direction of one side plate 4a, and the upper end in the vertical direction of the other side plate 4b facing the fourth engagement portion 19a. The part is formed with an opening for latching the L-shaped hook portion of the fourth engaging portion 19a, and constitutes a fourth engaged portion 19b. Similarly, an open fifth engaged portion 19bb is provided at the lower end in the vertical direction of one side plate 4b, and the vertical direction of the other side plate 4b facing the fifth engaged portion 19bb. An L-shaped fifth engaging portion 19aa is provided at the lower end, and the hook portion of the L-shaped fifth engaging portion 19aa is locked to the fifth engaged portion 19bb. It is configured as follows. As described above, the side plate engaging mechanism 19 includes the L-shaped fourth engaging portion 19a, the fourth engaged portion 19b, the fifth engaging portion 19aa, and the fifth engaged portion 19bb. Has been.

  When the side plate 4 is formed of a metal material as in the third embodiment, the fourth and fifth engaging portions 19a and 19aa are formed by cutting and raising the side plate 4 into an L shape. Is done. Therefore, the manufacturing is easy and the cost is reduced. Further, when the side plate 4 is formed of a synthetic resin, it can be formed by integral molding.

  The partition body by this invention can be used for arbitrary places, such as a book stand on a desk, and a bookshelf installed in the floor. Further, not only documents but also containers and various products stored in a standing state on a shelf board, these products can be stably held in a standing state.

1 is a perspective view showing a first embodiment of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a usage state of a partition body 1 according to a first embodiment of the present invention. It is a perspective view which shows the 2nd Example of this invention. The 2nd Example of this invention is shown and it is a principal part perspective view which shows the to-be-engaged part 9b. The 2nd Example of this invention is shown, The top view of the 3rd engaging part 9a shows the state in which the helical spring (henceforth the helical spring 5) was accommodated as the elastic body 5. FIG. It is. FIG. 6 is a plan view of the third engaged portion 9b and shows a state in which the helical spring 5 is housed. In addition, it is a top view of the 3rd engaging part 9a. The 2nd Example of this invention is shown, The state in which the helical spring 5 was accommodated in the top view of the 3rd to-be-engaged part 9b is shown. In addition, it is a top view of the 3rd engaging part 9a. It is a perspective view which shows the 3rd Example of this invention. It is a perspective view which shows a prior art example. It is a front view which shows a prior art example. It is a front view which shows a prior art example and shows a use condition.

Explanation of symbols

1, 10, 20 Partition 2 Bookshelf 3 Document 4 (4a, 4b) Side plate 5 Elastic body 6, 9, 19 Side plate engagement mechanism 8 Document gap

Claims (6)

In the bookshelf partition that can be interposed in the gap between documents standing up on the shelf of the bookshelf,
The partition body is disposed on a pair of side plates and inner surfaces of the pair of side plates opposed to each other, and an elastic body having elasticity in a direction in which the pair of side plates are separated from each other, and the pair of side plates are combined with the elasticity of the elastic body. And a side plate engaging mechanism that is detachably engaged against the
The partition is interposed between the documents and the document contacting the outer surface of the side plate is elastically pressed from both sides via the side plate, and the document is held upright. In the state where the partition is taken out from the bookshelf, the side plates are held in a state of being overlapped with each other by the side plate engaging mechanism. The bookshelf partition according to claim 1, wherein a plurality of the elastic bodies are arranged on the inner surfaces of the pair of side plates facing each other. The elastic body is a left-right symmetric cone helical spring having a shape in which conical helical springs are connected to each other at the top, and both end portions of the left-right symmetric cone helical spring are connected to the inner surface of the side plate. Detachably fixed to the
The bookshelf partition according to claim 1, wherein the bookshelf is a partition. The side plate engaging mechanism is provided with a first engaging portion and a first engaged portion at both ends in one of the horizontal and vertical directions of one side plate, and the other side plate has the Opposing the first engaging portion and the first engaged portion, respectively, against the elasticity of the elastic body, the first engaging portion and the first engaged portion. Providing a second engaged portion and a second engaging portion that are detachably engaged;
The bookshelf partition according to claim 1, wherein the bookshelf is a partition. The side plate engaging mechanism includes a third engagement portion and a third engaged portion that are detachably engaged against the elasticity of the elastic body at positions facing each other on the inner surfaces of the center portions of the pair of side plates. And when the third engaging portion and the third engaged portion are engaged, the third engaging portion and the third engaged portion include , Having a gap that can accommodate the elastic body in a contracted state therein,
The third engaging portion and the third engaged portion are engaged with each other in a freely releasable manner against the elasticity of the elastic body by rotating one of the side plates. The bookshelf partition according to claim 1, wherein the bookshelf is a partition. The third engaged portion further includes a second gap inside the third engaged portion, in which the third engaging portion can be rotatably accommodated. The bookshelf divider according to claim 5, comprising:

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