JP4457103B2 - System furniture with desk and bookshelf and combination structure of desk and bookshelf - Google Patents

Description

  The present invention relates to a system furniture having a desk and a bookshelf and a combined structure of a desk and a bookshelf, and in particular, a system furniture having a learning desk and a self-supporting bookshelf and a learning with a book shelf by combining a learning desk and a self-supporting bookshelf. The present invention relates to a combination structure for constituting a desk.

As a learning desk with a bookshelf, what has a bookshelf arranged on the top board of a learning desk and connected with a learning desk is known (for example, refer to patent documents 1).
Patent Documents 2 and 3 below disclose a book shelf-equipped learning desk in which a self-supporting book shelf that can be used independently and a learning desk are combined. As such a bookshelf-equipped learning desk, as described in Patent Documents 2 and 3, there is one that arranges a top board of a learning desk between a pair of side boards of a bookshelf.
Japanese Patent No. 3577955 Japanese Utility Model Publication No. 62-41637 Japanese Utility Model Publication No. 60-27730

However, in the case of a learning desk with a bookshelf as described in Patent Document 1, it is easy to use while the user is young (for example, the lower grades of an elementary school), but becomes difficult to use as the user grows (for example, junior high school students and high school students). There is a problem.
Moreover, in the case of a learning desk with a bookshelf as described in Patent Documents 2 and 3, the width of the top plate (the length in the left-right direction) is limited to the width of the bookshelf, so that sufficient work space on the top plate is secured. There is a problem that cannot be done.

Some learning desks with a bookshelf whose width of the top of the study desk is wider than a self-supporting bookshelf, but in such a study desk with a bookshelf, a pair of side plates on the bookshelf is notched so that the top of the desk can be inserted It is necessary to provide it. Therefore, there is a problem that the strength of the bookshelf is insufficient.
The present invention has been made under such background, and an object thereof is to provide a system furniture having a desk and a bookshelf that can sufficiently secure a work space on the top board, and a combined structure of the desk and the bookshelf. And

  The invention according to claim 1 is provided on the top plate, the left leg plate and the right leg plate that are attached to the lower left and right ends of the top plate, and supports the top plate, and is provided at the lower end of the left leg plate. A desk with a left foot that extends horizontally and a lower end of the right leg plate, and a right foot that touches the floor and extends horizontally back and forth, as well as a bottom plate and a lower end attached to the left end of the bottom plate, and extends vertically upward A bookshelf comprising a left side plate, a right side plate having a lower end attached to the right end of the bottom plate and extending vertically upward, and a plurality of shelf plates horizontally passed between the left side plate and the right side plate; The width of the top plate (the length in the left-right direction) is equal to the outer width of the bookshelf (the length between the outer surfaces of the left and right side plates), and the rear part of the top plate protrudes rearward from the left and right leg plates. On the left and right sides of the back of the back, when the desk and bookshelf are combined, the back of the top is between the left and right side of the bookshelf. Notches are formed so that each can enter, and the left and right foot portions of the desk each have a protrusion protruding rearward from the lower rear end of the left and right leg plates, and the book shelf has a bottom plate. When the desk and bookshelf are assembled by lifting a certain dimension from the floor surface, the left and right feet of the desk can be inserted under the bottom plate of the bookshelf at the left and right positions of the bottom plate, A system furniture having a desk and a bookshelf, wherein a pair of legs are provided at positions that do not interfere with the entry of each protrusion.

The invention according to claim 2 is characterized in that the protruding amount of the rear part of the top plate of the desk is equal to the width (length in the front-rear direction) of the left and right side plates of the bookshelf. System furniture with a bookshelf.
In the invention according to claim 3, the amount of protrusion of the back of the top plate of the desk is shorter than the width (length in the front-rear direction) of the left and right side plates of the bookshelf, and when the desk is combined with the bookshelf, 2. A system having a desk and a bookshelf according to claim 1, wherein a narrow shelf is provided with a top surface that is flush with a rear portion of the top plate that has entered between the left and right side plates of the bookshelf. Furniture.

The invention according to claim 4 is characterized in that the side view shape of the lower front edge of the left and right side plates of the bookshelf is equal to the side view shape of the rear edges of the left and right leg plates of the desk. It is system furniture which has the desk and bookshelf in any one of 1-3.
According to a fifth aspect of the present invention, the combined desk and bookshelf are fixed screws that pass through the side plates from the outside of the side plates of the bookshelves and screw into the side end surfaces in which the notches in the rear part of the top plate of the desk are formed. It is the system furniture which has the desk and bookshelf in any one of Claims 1-4 characterized by being mutually fixed.

  The invention according to claim 6 is a combination structure for configuring a learning desk with a book shelf by combining a learning desk and a self-supporting bookshelf, wherein the learning desk has a width of the top plate and an outer width of the self-supporting bookshelf. Equally, the rear part protrudes from the leg, and the lower end of the leg is provided with a foot protrusion protruding rearward, and the rear part of the top of the learning desk is one of the shelf boards of the self-supporting bookshelf. In order to be able to function as a tie, notches are formed on the left and right sides of the back of the top board so that the rear of the learning desk can be combined with the freestanding bookshelf. It is a combined structure of a learning desk and a self-supporting bookshelf, characterized in that a pair of legs are provided and lifted by a certain dimension from the floor so that the protrusion can enter.

  In the first aspect of the present invention, notches are respectively formed on the left and right sides of the rear portion of the top plate so that the width of the rear portion of the top plate (the length in the left-right direction) is larger than the length between the left and right side plates of the bookshelf (the outer width). By shortening, the rear part of the top board can be made to enter between the left and right side boards, and the desk and the bookshelf can be combined. Thereby, since the width | variety of a top plate is not restrict | limited by the length between right-and-left side plates, the working space on a top plate can fully be ensured. Further, by making the width of the top plate equal to the outer width of the bookshelf, it is possible to make the system furniture having a sense of unity in front view. Further, when either the left or right side surface is arranged along the wall, the side surfaces of the bookshelf and the desk can be arranged without leaving a gap with the wall.

  Also, the desk stability can be ensured by providing left and right foot portions with protrusions protruding backward from the left and right leg plates corresponding to the rear portion of the top plate protruding rearward from the left and right leg plates. Furthermore, by providing a pair of feet on the bottom surface of the bottom plate of the bookshelf to lift the bottom plate by a certain size, and arranging the pair of feet at positions that do not interfere with the protrusions of the left and right foot portions that enter below the bottom surface, It is possible to easily cause the protrusion to enter the bottom surface without hindering the entry of each protrusion of the portion.

In invention of Claim 2 and 3, the rear part of the top plate which approached between right-and-left side boards can be functioned as a shelf board of a bookshelf. Thereby, the shelf board without a level | step difference which exists on the same plane as a top plate can be obtained.
According to the fourth aspect of the present invention, the lower front edge of the left and right side plates and the rear edge of the left and right leg plates of the desk can be engaged with each other without any gap, so that the system furniture having a sense of unity in a side view can be obtained. In this case, the side view shape of the lower front edge of the left and right side plates and the side view shape of the rear edges of the left and right leg plates of the desk may be linear shapes or curved shapes. When the side view shape is curved, for example, the side view shape of the lower front edge of the left and right side plates is a convex curved shape that is loosely forward, and the side view shape of the rear edges of the left and right leg plates of the desk is the front side. It is good also as a concave curved shape which is loose.

  In the invention of claim 5, the desk and the bookshelf are mutually fixed with screws, for example, a light for illuminating the top of the desk is provided above the bookshelf, When turning off the light, for example, even if a force in the front-rear direction is applied above the bookshelf, the bookshelf will not wobble. Moreover, the screw is entered from the outside of the side plate of the bookshelf, and its attaching / detaching operation is easy.

  In the invention according to claim 6, a learning desk with a bookshelf with a sense of unity can be obtained that can easily combine a learning desk and a self-supporting bookshelf and that can sufficiently secure the work space of the learning desk. .

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a front view of a system furniture 1 having a desk 2 and a bookshelf 3 according to an embodiment of the present invention, and FIG. 2 is a right side view of the system furniture 1 according to FIG. FIG. 3 is a plan view of the desk 2 included in the system furniture 1 according to FIG. 4 is a front view of the bookshelf 3 included in the system furniture 1 according to FIG. 1, and FIG. 5 is a right side view of the bookshelf 3 according to FIG.

Referring to FIGS. 1 and 2, the system furniture 1 includes a wooden learning desk 2 and a wooden bookshelf 3, and these learning desks 2 and bookshelves 3 are used by users (for example, students from elementary school to high school students). It can be arranged according to the preference of.
For example, when the user is an elementary school student, the upper part of the bookshelf 3 is arranged on the back side of the top board 10 of the learning desk 2, and the system furniture 1 can be used as a learning desk with a bookshelf that has been familiar to the past. . Further, for example, when the user is a junior high school student or a high school student, there is a case where a flat desk is preferred instead of the above-described learning desk with a bookshelf, so the learning desk 2 is used as a flat desk and the bookshelf 3 is separated from the learning desk 2. Can be used independently.

As described above, the bookshelf 3 is a self-supporting bookshelf that can be used in combination with the learning desk 2 or can be used separately from the learning desk 2, and its height is higher than that of the learning desk 2. It is high. In this embodiment, the height of the learning desk 2 is 755 mm, and the height of the bookshelf 3 is 1575 mm.
The bookshelf 3 includes a bottom plate 4, a left plate 5 having a lower end attached to the left end of the bottom plate 4 and extending vertically upward, and a right plate 6 having a lower end attached to the right end of the bottom plate 4 and extending vertically upward, with a predetermined interval in the vertical direction. And a plurality of shelf plates 7 horizontally provided between the left and right side plates 5 and 6. As shown in FIG. 1, a partition plate 8 for partitioning the space on the shelf plate 7 to the left and right is attached to some of the shelf plates 7.

  1, 4, and 5, the bottom plate 4 is placed on the bottom plate 4 from the floor so that a part of the learning desk 2 (projections 24, 24) to be described later can enter under the bottom plate 4. A pair of legs 9, 9 are provided for lifting and placing a fixed dimension. As shown in FIG. 1, the pair of legs 9 and 9 are disposed at positions that do not interfere with a part of the learning desk 2 (protrusions 24 and 24) that have entered under the bottom plate 4. Further, as shown in FIG. 5, the width W1 (length in the front-rear direction) of the pair of legs 9, 9 is equal to the width W2 (length in the front-rear direction) of the left and right side plates 5, 6.

  The width W1 of the pair of legs 9, 9 may be longer than the width W2 of the left and right side plates 5, 6. In this case, a part of the pair of legs 9 and 9 may protrude forward from the bottom plate 4. That is, since the back of the bookshelf 3 is usually erected along the wall, the bookshelf 3 does not fall backward but may fall forward. Therefore, it is possible to effectively prevent the bookshelf 3 from falling forward by causing a part of the pair of legs 9 and 9 to protrude forward from the bottom plate 4. Further, in consideration of the case where the back of the bookshelf 3 is not erected along the wall, a part of the pair of legs 9 and 9 may protrude rearward from the bottom plate 4. Alternatively, the pair of legs 9, 9 may protrude forward and backward from the bottom plate 4.

1, 2, and 3, the learning desk 2 includes a top board 10, a left leg board 11 and a right leg board 12 that are attached to the bottom left and right ends of the top board 10 and support the top board 10, A drawer 13 is provided on the lower surface of the top plate 10 and disposed between the left and right leg plates 11 and 12. The left and right leg plates 11 and 12 are attached to the front side of the bottom surface of the top plate 10 as shown in FIG.
As shown in FIG. 3, the top plate 10 has a generally rectangular shape, and the upper surface of the top plate 10 is a work space for performing work such as learning. The width W3 (length in the left-right direction) of the top plate 10 is equal to the outer width W4 (between the outer surfaces of the left and right side plates 5 and 6) of the bookshelf 3, and is 1000 mm in this embodiment.

Further, the rear portion 14 of the top plate 10 projects rearward from the left and right leg plates 11 and 12. On the left and right sides of the rear part 14 of the top board 10, notches are provided so that the rear part 14 of the top board 10 can enter between the left and right side boards 5 and 6 of the bookshelf 3 when the learning desk 2 and the bookshelf 3 are combined. 15 and 15 are formed.
Each of the cutouts 15 and 15 has a rectangular cutout in a range including left and right corners on the rear edge side of the top plate 10. Specifically, the notches 15 and 15 cut out the top plate rear portion 14 at, for example, 198 mm from the rear edge to the front of the top plate 10 and 30 mm from the left and right edges of the top plate 10 inward. Yes. Further, as described later, a spacer 25 corresponding to the notch shape may be attached to each notch 15 as necessary.

The width W5 (the length in the left-right direction) of the top plate rear portion 14 is substantially equal to or slightly shorter than the length between the inner side surfaces of the left and right side plates 5 and 6. Further, as shown in FIG. 2, the protrusion amount D1 of the top plate rear portion 14 is made equal to the width W2 (length in the front-rear direction) of the left and right side plates 5 and 6.
The left and right leg plates 11 and 12 are respectively attached to the lower surface of the top plate 10 with a predetermined interval in the front and rear direction, and a pair of support plates 16 and 17 that are long in the vertical direction and between the upper ends of the pair of support plates 16 and 17. And the lower connecting plate 19 that connects the lower ends of the pair of support plates 16 and 17.

  The support plates 17 and 17 on the rear side of the left and right leg plates 11 and 12 are disposed between the upper horizontal plate 20 disposed between the upper ends of the support plates 17 and 17 and the lower ends of the support plates 17 and 17. The lower horizontal plate 21 is connected to each other. The upper horizontal plate 20 and the lower horizontal plate 21 are arranged at a predetermined interval in the vertical direction, and the upper horizontal plate 20 and the lower horizontal plate 21 are open. Further, as shown in FIG. 2, the side view shape of the rear edges of the left and right leg plates 11, 12 (the rear edges of the support plates 17, 17 on the rear side of the left and right leg plates 11, 12) is the lower front of the left and right side plates 5, 6. It is made equal to the side view shape of the edge.

At the lower ends of the left and right leg plates 11 and 12, a left foot portion 22 and a right foot portion 23 that are in contact with the floor surface and extend horizontally in the front-rear direction are provided. The left and right foot portions 22 and 23 include protrusions 24 that protrude rearward from the lower rear ends of the left and right leg plates 11 and 12, respectively. The protrusions 24 and 24 are configured to enter under the bottom plate 4 when the learning desk 2 and the bookshelf 3 are combined.
Next, an example of how the system furniture 1 is used will be described with reference to FIGS. 1 and 2.

  1 and 2, the front part of the bookshelf 3 and the rear part of the learning desk 2 are combined. Specifically, the rear part 14 of the top of the learning desk 2 has entered between the left and right side plates 5 and 6 of the bookshelf 3, and the protrusions 24 of the left and right feet 22 and 23 are below the bottom plate 4 of the bookshelf 3. I have entered. Further, as shown in FIG. 2, the rear edges of the left and right leg plates 11 and 12 (the rear edges of the support plates 17 and 17 on the rear side of the left and right leg plates 11 and 12) abut against the lower front edges of the left and right side plates 5 and 6. ing.

In this usage mode, the system furniture 1 can be used as a learning desk with a bookshelf by combining the learning desk 2 and the bookshelf 3 and arranging the upper part of the bookshelf 3 above the back side of the top board 10.
When the learning desk 2 and the bookshelf 3 are combined, a screw (not shown) is inserted horizontally from the outside of the left and right side plates 5 and 6 of the book shelf 3, and the screws penetrate the left and right side plates 5 and 6. Then, the tip may be screwed into the side end surface of each notch 15 of the learning desk 2. When the combined learning desk 2 and the bookshelf 3 are fixed to each other with screws, the learning desk 2 and the bookshelf 3 are integrated, and the arrangement of the two is more stable. Therefore, even when a book placed on the shelf above the bookshelf 3 is taken out, the bookshelf does not wobble and the system furniture has a high sense of stability.

When the learning desk 2 and the bookshelf 3 are combined, the width W3 of the top board 10 of the learning desk 2 is not limited to the width W2 of the left and right side plates 5 and 6 of the bookshelf 3, so that there is enough work space on the top board 10 Can be secured. Moreover, the top plate rear part 14 that has entered between the left and right side plates 5 and 6 can function as the shelf plate 7 of the bookshelf 3.
Further, by making the width W3 of the top board 10 equal to the outer width W4 of the bookshelf 3, the system furniture 1 having a sense of unity in the front view can be obtained. Further, by bringing the rear edges of the left and right leg plates 11 and 12 into contact with the lower front edges of the left and right side plates 5 and 6, the system furniture 1 having a sense of unity in a side view can be obtained.

  Furthermore, as described above, since the width W3 of the top plate 10 is not limited to the outer width W4 of the bookshelf 3, the distance between the left and right leg plates 11 and 12 can be increased. That is, the space at the user's feet can be relaxed and wide. Further, since the space between the upper horizontal plate 20 and the lower horizontal plate 21 connecting the left and right leg plates 11 and 12 is open, the lower part of the book shelf 3 can be used through this opening.

FIG. 6 is a front view showing another example of the usage mode of the system furniture 1 according to the embodiment of the present invention, and FIG. 7 is a plan view of the usage mode according to FIG. 6. With reference to FIGS. 6 and 7, in this usage mode, the learning desk 2 and the bookshelf 3 are arranged in parallel in the left-right direction. Therefore, the learning desk 2 and the bookshelf 3 can be used independently.
Thereby, the storage capacity of the bookshelf 3 can be fully utilized. Moreover, the top 14 of the top of the learning desk 2 can be used as a work space. In this case, as shown in FIG. 7, spacers 25, 25 corresponding to the shapes of the notches 15, 15 may be attached to the top plate rear portion 14. Thereby, the work space of the learning desk 2 can be secured more sufficiently.

FIG. 8 is a front view showing still another example of usage of the system furniture 1 according to the embodiment of the present invention, and FIG. 9 is a right side view of the usage according to FIG. With reference to FIG. 8 and FIG. 9, in this usage mode, the bookshelf 3 is disposed sideways on the left side of the learning desk 2.
As shown in FIG. 8, the left leg plate 11 of the learning desk 2 is removed from the left end portion of the bottom surface of the top plate 10, and the left end portion of the bottom surface of the top plate 10 is a shelf corresponding to the height of the left end portion. It is attached to the upper surface of the plate 7. Thereby, the bookshelf 3 can be used as a unit desk connected to the left side with respect to the learning desk 2.

In this case, as described above, the spacers 25 and 25 may be attached to the notches 15 and 15 of the rear part 14 of the top plate, respectively. Alternatively, the left leg plate 11 removed from the top plate 10 may be attached to the lower surface of the top plate rear portion 14 and used as the back plate of the learning desk 2.
10 to 12 are a front view, a right side view, and a plan view of a system furniture 30 according to another embodiment of the present invention. Each component of the system furniture 30 is basically the same as the system furniture 1 according to the embodiment described above, and the same or corresponding parts are denoted by the same reference numerals.

  The feature of the system furniture 30 is that the depth dimension of the top 10 of the learning desk 2 is slightly shorter than that of the system furniture 1, whereby the rearward protrusion amount of the rear portion 14 of the top 10 is larger than that of the system furniture 1. It is shortening. That is, the longitudinal dimension of the rear portion 14 is shorter than the width W2 of the left and right side plates 5 and 6 of the bookshelf 3, and when combined with the book shelf 3, functions as a shelf with a shallow depth on the front side between the left and right side plates 5 and 6. Get into it. On the other hand, when the learning desk 2 is combined, the bookshelf 3 is provided with a narrow shelf board 7A whose upper surface is continuous with the rear part 14 of the top board 10 of the learning desk 2. Yes. Therefore, a convenient shelf is formed on the book shelf 3 by the rear portion 14 of the top plate 10 and the shelf plate 7A.

The remaining points of the system furniture 30 are the same as the configuration of the system furniture 1, and a duplicate description is omitted.
In the system furniture 30, since the rear portion 14 projecting backward is short on the top plate 10 of the learning desk 2, the projecting amount of the projecting portion 24 projecting backward from the lower rear ends of the left and right leg plates 11 and 12 is reduced. Alternatively, the protrusion 24 can be eliminated.

The present invention is not limited to the contents of the above embodiments, and various modifications can be made within the scope of the claims. For example, in the above-described embodiment, the case where the left and right leg plates 11 and 12 are configured by a plurality of members has been described, but the left and right leg plates 11 and 12 may be configured by a single plate.
In the above-described embodiment, the learning desk 2 and the bookshelf 3 are made of wood. However, the learning desk 2 and the bookshelf 3 may be formed of other materials such as metal and synthetic resin. Other materials such as wood, metal, and synthetic resin may be included.

It is a front view of system furniture 1 which has a desk and a bookshelf concerning one embodiment of the present invention. It is a right view of the system furniture 1 which concerns on FIG. It is a top view of the desk contained in the system furniture 1 which concerns on FIG. It is a front view of the bookshelf contained in the system furniture 1 which concerns on FIG. It is a right view of the bookshelf concerning FIG. It is a front view which shows another example of the usage condition of the system furniture 1 which concerns on one Embodiment of this invention. It is a top view of the usage condition which concerns on FIG. It is a front view which shows another example of the usage condition of the system furniture 1 which concerns on one Embodiment of this invention. It is a right view of the usage condition concerning FIG. It is a front view of the system furniture 30 which has a desk and bookshelf concerning other embodiments of the present invention. It is a right view of the system furniture 30 which has a desk and bookshelf concerning other embodiments of the present invention. It is an illustration figure of planar view of the system furniture 30 which has a desk and bookshelf concerning other embodiments of the present invention.

Explanation of symbols

1 System furniture 2 Study desk (desk)
3 bookshelves (free standing bookshelves)
4 Bottom plate 5 Left side plate 6 Right side plate 7 Shelf plate 9 Pair of feet 10 Top plate 11 Left leg plate (leg)
12 Right leg plate (leg)
15 Notch 22 Left foot 23 Right foot 24 Projection (foot projection)
D1 Projection amount W3 Top plate width W4 Outer width of bookshelf

Claims (6)

The top plate, the left leg plate and the right leg plate that are attached to the lower left and right ends of the top plate and support the top plate, and the left foot and right leg plate that are provided at the lower end of the left leg plate and extend horizontally in front and back in contact with the floor surface A desk with a right foot that is provided at the lower end of the frame and extends horizontally in front and back in contact with the floor, and
Bottom plate, bottom plate attached to the left end of the bottom plate, left side plate extending vertically upward, right side plate attached to the right end of the bottom plate, vertically extending upward, and a plurality of horizontally passed between the left side plate and the right side plate A bookshelf with a shelf board,
The width (length in the left-right direction) of the top of the desk is equal to the outer width of the bookshelf (the length between the outer surfaces of the left and right side plates), and the rear part of the top plate protrudes rearward from the left and right leg plates. In addition, on the left and right sides of the back of the top plate, when combining the desk and bookshelf, notches are formed respectively so that the back of the top plate can enter between the left and right side plates of the bookshelf,
The left and right foot portions of the desk are each provided with a protrusion protruding rearward from the lower rear end of the left and right leg plates,
In the bookshelf, the bottom plate is arranged with a certain height lifted from the floor surface, and when the desk and the book shelf are combined, the projections of the left and right feet of the desk can enter under the bottom plate of the bookshelf. A system furniture having a desk and a bookshelf, wherein a pair of legs are provided at positions that do not interfere with the entry of each protrusion at the left and right positions of the lower surface of the head.   The system furniture having a desk and a bookshelf according to claim 1, wherein the amount of protrusion of the rear part of the top of the desk is equal to the width (length in the front-rear direction) of the left and right side plates of the bookshelf.   The amount of protrusion of the back of the top of the desk is shorter than the width (length in the front-rear direction) of the left and right side plates of the bookshelf, and the book shelf enters between the left and right side plates of the bookshelf when the desk is combined. The system furniture having a desk and a bookshelf according to claim 1, wherein a narrow shelf plate having an upper surface flush with a rear portion of the top plate is provided.   The side view shape of the lower front edge of the left and right side plates of the bookshelf is equal to the side view shape of the rear edges of the left and right leg plates of the desk, according to any one of claims 1 to 3. System furniture with desk and bookcase.   The combined desk and bookshelf are fixed to each other by a fixing screw that penetrates the side plate from the outside of the side plate of the bookshelf and is screwed to the side end surface in which the notch of the rear part of the top plate of the desk is formed. The system furniture which has the desk and bookshelf in any one of Claims 1-4 characterized by these. A combination structure for configuring a learning desk with a bookshelf by combining a learning desk and a self-supporting bookshelf,
The learning desk has the same width as the outer width of the self-supporting bookshelf, the rear part protrudes from the leg, and the lower end of the leg is provided with a foot protrusion protruding backward,
In order to combine the rear part of the learning desk with the self-supporting bookshelf so that the rear part of the top of the learning desk can function as at least a part of the shelf of the self-supporting bookshelf, notches are formed on the left and right sides of the rear part of the top. The learning desk is formed, and the bottom plate of the self-supporting bookshelf is provided with a pair of feet and is lifted by a certain dimension from the floor so that the leg projections of the learning desk can enter below. Combined with a self-supporting bookshelf.

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