JP2004121439A - Leg device of table and desk - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a leg device of a table or desk with a front/rear stacking function, excellent in the design, capable of being packaged and stored compactly, being easily assembled as a complete product, and coping with the change of the depth of a top board by a minimum change of parts. <P>SOLUTION: The leg device is used for supporting both sides of the top board 2 of the table or desk, and consists of main legs 4 and auxiliary legs 5 selected from one or a plurality of kinds of legs to be disposed in front of each main leg. The upper end part of the auxiliary leg is detachably connected to the intermediate part in the vertical direction of the main leg. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a table and a desk leg device, and more particularly to a table and a desk leg device which can be changed according to the depth width of a top plate and eliminates bulkiness in packing.
[0002]
[Prior art]
Conventionally, various types of table and desk leg devices have been provided. For example, there are various types of such leg devices, such as a leg plate structure device, an L-shaped device in a side view, and a front-rear separation type device. Here, the functions that the leg device for supporting the top plate must have are firstly excellent stability, secondly high supporting strength, and excellent design.
[0003]
Further, in the case of a folding table in which the top plate rotates vertically, the requirements further required for the leg device become severe. That is, the upper end must be compact in order to pivotally connect the top plate to the upper end of the leg device. In addition, when the top plate is turned upward and folded, the center of gravity moves rearward, so that even in such a case, it is necessary to stably support the top plate. Furthermore, in order to be able to stack back and forth in the folded state, both legs of the front table must enter between the legs of the rear table.
[0004]
As such a leg device, Patent Document 1 discloses a method in which a pair of forwardly inclined leg posts for rotatably connecting a top plate is provided at an upper end portion, and auxiliary legs are arranged apart from the side of the pair of leg posts. In addition, there is described a leg having a structure in which the upper end of the auxiliary leg is fixed to a middle and high position of the leg post and the auxiliary leg is gently curved outward. Further, Patent Literature 2 discloses a leg body having a structure in which a second leg rod bent forwardly in a side view is disposed outside the inclined first leg rod, and upper portions of both leg rods are fixed to each other. ing.
[0005]
However, since the legs described in the two patent documents maintain the same shape even when the top plate is folded, the bulkiness is not eliminated when packing. For this reason, the top plate and the legs must be separated at the rotating part, and the reinforcing beams connecting the left and right legs must also be separated. If an interlocking mechanism with the board is provided, their connection must be disassembled, and it is virtually impossible to separate the top board from the legs.
[0006]
[Patent Document 1] Utility Model Registration No. 2572757
[Patent Document 2] Utility Model Registration No. 3003608
[Problems to be solved by the invention]
In view of the above-mentioned situation, the present invention seeks to solve the problem that it is compact in packing and storage, is easy to assemble as a finished product, is excellent in design, and furthermore, according to the depth width of the top plate. Another object of the present invention is to provide a table and desk leg device which can be handled with minimal changes in parts and has a front and rear stacking function.
[0009]
[Means for Solving the Problems]
The present invention provides a leg device for supporting both sides of a table and a tabletop of a desk, in order to solve the above-mentioned problem, and is selected from a main leg and one or a plurality of types arranged in front of the main leg. A leg device for a table and a desk is constituted by auxiliary legs, and the upper end of the auxiliary leg is detachably connected to the upper and lower middle portions of the main leg.
[0010]
Specifically, a screw hole is formed on the front side of the connecting portion of the main leg that connects the auxiliary leg, and the upper end of the auxiliary leg is engaged with the connecting portion of the main leg from the front side to the side surface. A joint portion is formed, a mounting hole is formed in an engaging portion corresponding to the screw hole, and a screw is inserted into the mounting hole from the front side in a state where the engaging portion is engaged with the connecting portion, and the screw hole is formed. It is screwed into.
[0011]
Further, it is more preferable to apply the present invention to a folding table in which the top plate is connected to the upper end of the main leg so as to be vertically foldable.
[0012]
Further, the auxiliary leg is opened to the outside of the main leg so as to be stackable back and forth, and a protective member having a sliding and cushioning effect when receiving another table or a main leg of a desk on the inner surface side of the auxiliary leg. It is also preferred to add
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. Although the leg device of the present invention can be widely applied to general tables and desks, in the present embodiment, an example in which the leg device is applied to a folding table will be described. FIG. 1 is an overall perspective view of the folding table of the present embodiment in use when viewed from behind, FIG. 2 is a side view in the same use state, FIG. 3 is a side view in the folded state, and FIGS. The details are shown. In the figure, reference symbol A denotes a leg device, B denotes a curtain plate interlocking device, C denotes a lock device, 1 denotes a leg body, 2 denotes a top plate, and 3 denotes a curtain plate.
[0014]
In the folding table according to the present embodiment, the lower surface of the top plate 2 is connected to the upper ends of the left and right legs 1 and 1 so as to be rotatable up and down. (See FIG. 3) and a folded state rotated upward (see FIG. 3), and the curtain plate 3 arranged below the rear portion of the top plate 2 is lowered close to the rear bottom portion of the top plate 2. Between the use state and the folded state along the rear edges of the two legs 1, 1 so as to be movable and linked with the top plate 2 so as to be lockable in the use state and the folded state. Has become.
[0015]
First, as shown in FIGS. 1 to 5, a leg device A (leg 1) according to the present invention is a leg device that supports both side portions of the top plate 2, and includes a main leg 4 and the main leg 4. And an auxiliary leg 5 selected from one or a plurality of types disposed in front of the main leg 4. The upper end of the auxiliary leg 5 is detachably connected to the upper and lower middle portion of the main leg 4.
[0016]
Specifically, as shown in FIGS. 4 and 5, the leg 1 has screw holes 7, 7 formed on the front side of the connecting portion 6 of the main leg 4 connecting the auxiliary leg 5, An engaging portion 8 is formed at the upper end of the auxiliary leg 5 to engage from the front side to the side surface of the connecting portion 6 of the main leg 4, and a mounting hole 9 is formed in the engaging portion 8 corresponding to the screw holes 7. , 9 are formed, and screws 10, 10 are inserted into the mounting holes 9, 9 from the front side and screwed into the screw holes 7, 7 with the engaging portion 8 being engaged with the connecting portion 6. It is.
[0017]
Here, when the connecting portion 6 is formed as a concave portion into which the engaging portion 8 is fitted, the connection is stronger. The engaging portion 8 is joined to the front surface of the main leg 4 and has a front surface portion 8a formed with the mounting holes 9 and 9 and a side surface portion 8b joined to the side surface of the main leg 4 in plan view. It is formed in a substantially L-shape. Then, the front portion 8a of the engaging portion 8 of the auxiliary leg 5 is attracted and attached to the connecting portion 6 of the main leg 4 by the screws 10, 10, and the side surface portion 8b is in contact with the side surface portion of the main leg 4. This restricts the displacement of the auxiliary leg 5 to the outside. The screws 10, 10 are located inside the auxiliary leg 5 and screwed into the main leg 4 from the front side, so that they cannot be seen from the outer side, and the appearance can be improved. In addition, since the engaging portion 8 of the auxiliary leg 5 is set to be larger than other portions, the contact area with the connecting portion 6 is increased, the connection state is stabilized, and the engaging portion 8 is used. Because there is little protrusion to the side, there is no risk of injury even if you hit your feet.
[0018]
In the present embodiment, the main leg 4 and the auxiliary leg 5 constituting the leg 1 are made of aluminum, and since the main leg 4 and the auxiliary leg 5 are separated from each other, a molding die becomes small and inexpensive. Cost can be reduced. If a plurality of types of auxiliary legs 5 having different front and rear dimensions are prepared, the auxiliary legs 5 are selected according to the depth width of the top plate 2 and connected to the main legs 4 to lower the stable support state. Can be realized at cost. That is, in order to prepare a product group of folding tables having different depth widths, it is only necessary to use the common main leg 4 and combine only the auxiliary legs 5 with those having different dimensions, thereby reducing the total cost. It is. For example, the folding table shown in FIG. 2 is an example of a combination configuration of a top plate 2 having a depth width of 60 cm and an auxiliary leg 5 having an intermediate length. FIG. 6A shows a top plate 2 a having a depth width of 45 cm and a short length. FIG. 6B shows an example of a combination configuration of the auxiliary legs 5a, and FIG. 6B shows an example of a combination of the top plate 2a having a depth width of 70 cm and the long auxiliary legs 5a. In addition to the dimensions of the auxiliary legs 5, a plurality of types of auxiliary legs 5 with different colors can be prepared. In that case, a desired color can be selected or changed in the color design.
[0019]
Further, in side view, the main leg 4 has a shape that protrudes rearward and is gently curved, the auxiliary leg 5 has a shape that protrudes forward and is gently curved, and the auxiliary leg 5 The main legs 4, 4 of the foldable table located forward are fitted between the left and right auxiliary legs 5, 5 so that they can be stacked back and forth. Also, casters 11,... Are attached to the lower ends of the main leg 4 and the auxiliary leg 5, respectively, so as to be movable. When stacking a plurality of folding tables, the inner surface of the auxiliary leg 5 of the front folding table and the outer surface of the main leg 4 of the rear folding table are rubbed. In order to prevent damage due to contact, a protection member 12 such as polyolefin rubber is provided along the top of the inner surface of the auxiliary leg 5. Specifically, a concave groove is formed on the inner side surface of the auxiliary leg 5, and most of the protection member 12 is embedded and fixed in the concave groove. The protective member 12 can be suitably used as long as it has a sliding and cushioning function when receiving the main leg, and the mounting structure to the auxiliary leg 5 may be any fixing means such as adhesion or screwing.
[0020]
As described above, since the auxiliary leg 5 is detachable from the main leg 4, the leg 1 can be made compact during packing and storage. FIG. 7 shows a state in which the auxiliary leg 5 is removed from the main leg 4 in a folded state in which the top plate 2 is rotated upward and the curtain plate 3 is arranged along the rear edge of the main leg 4. ing. Here, since the top plate 2, the main leg 4, and the curtain plate 3 are located on a substantially straight line, the overall thickness is extremely thin without disassembling a later-described curtain plate interlocking device B or a locking device C. And can be packed in a flat box. Further, the auxiliary legs 5, 5 can be accommodated and packed between the main legs 4, 4, so that they are not bulky.
[0021]
Here, as shown in FIGS. 3 and 7, in a side view state where the curtain plate 3 is folded along the rear edge of the main leg 4 of the leg body 1, the curtain plate 3 and the corresponding leg When the shape of the rear edge of the main leg 4 of the body 1 substantially matches the curved shape protruding rearward, both side edges of the curtain plate 3 that is weak in strength will be protected by the main leg 4, and will be folded or packed. Even in the state, the curtain plate 3 is not deformed. In the use state of FIGS. 1 and 2, the curtain plate 3 is located at the rear end of the top plate 2 and is located at a position farther than the main leg 4, so that the foot space can be widely used. However, since the curtain plate 3 has a curved shape protruding rearward, its lower part is hidden more deeply below the top plate 2, so that there is less possibility that a foot may be caught on the lower edge of the curtain plate 3 when passing nearby. .
[0022]
As shown in FIGS. 4 and 5, a mounting recess 13 is formed on the inner surface above the connecting portion 6 of the main leg 4, and the mounting recess 13 has a thicker and lower part of a high-strength support plate 14. And a connecting beam 16 is fixed between the mounting bases 15, 15 of the two support plates 14, 14, which are mounted on the left and right main legs 4, 4, respectively. In addition, the two support plates 14 and 14 are integrated by the connecting beam 16 to increase the strength. As a result, the left and right main legs 4 and 4 are integrally connected via the connection beam 16 and have very high support strength.
[0023]
Next, the curtain plate interlocking device B will be described with reference to FIGS. 2, 3, and 8. FIG. The curtain plate interlocking device B is connected to the upper ends of the left and right legs 1 and 1 by a main shaft 17 so that both lower sides of the top plate 2 can be turned up and down, and is arranged below the rear portion of the top plate 2. The linked curtain plate 3 is linked with the top plate 2 so as to be movable between a use state in which the curtain plate 3 is approached downward below the rear portion of the top plate 2 and a folded state along the rear edges of the two legs 1, 1. In addition, a gap 20 of a predetermined distance or more is always formed between the rear end portion 18 of the top plate 2 and the upper end portion 19 of the curtain plate 3 during a series of folding operations of the top plate 2 and the curtain plate 3. .
[0024]
Here, by providing the gap 20 at a predetermined interval or more, when the top plate 2 is pivoted up and down with the rear end 18 thereof, the rear end The finger is prevented from being pinched between the upper end 18 of the curtain plate 3 and the upper end 19 of the curtain plate 3. Further, in the folded state, the curtain plate 3 follows the rear edges of the main legs 4, 4 of the two legs 1, 1, so that the stacking efficiency of the front and rear can be improved when stacking is performed.
[0025]
Specifically, the curtain plate 3 arranged below the rear portion of the top plate 2 is linked to the leg 1 by a pair of upper and lower link bars 21 and 22 on both left and right sides, and the upper link rod 21 and the top plate are connected. The rear end of the top plate 2 is always connected to the rear end 18 of the top plate 2 during a series of folding operations by linking the top plate 2 and the curtain plate 3 by linking the rear plate 2 and the rear plate 2 with an interlocking rod 23. The lengths and pivot positions of the upper and lower link rods 21 and 22 and the interlocking rod 23 are set so as to form a gap 20 at a predetermined interval or more between the upper end 19 of the curtain plate 3.
[0026]
Here, as described above, in the side view state where the curtain plate 3 is folded along the rear edge of the main leg 4 of the leg 1, the curtain plate 3 and the corresponding main leg of the leg 1 are provided. 4 in a side view state in which the shape of the rear edge of the rear plate 4 substantially matches the curved shape protruding rearward and the curtain plate 3 is folded along the rear edge of the main leg 4 of the leg 1. 21 and 22 are almost hidden inside the leg 1 so as to be almost invisible.
[0027]
As described above, in order to set the lengths and pivot positions of the upper and lower link rods 21 and 22 and the interlocking rod 23, first, the use state of the curtain plate 3 required in conjunction with the operation of the top plate 2 is set. And the position in the folded state are determined. Then, a first pivot point 24 and a second pivot point 25 for pivotally connecting the upper link rod 21 and the lower link rod 22 at the back positions on both sides of the curtain plate 3 are determined. Then, a point equidistant from the first pivot points 24, 24 when the curtain plate 3 is in the use state and the folded state is determined on the inner surface of the main leg 4, and this point is determined by the third pivot point. A point 26 is set, and a fourth pivot point 27 is similarly set at a position equidistant from the second pivot points 25,25. Accordingly, the length of the upper link rod 21 having the first pivot point 24 and the third pivot point 26 at both ends is determined, and the upper link rod 21 has the second pivot point 25 and the fourth pivot point 27 at both ends. The length of the lower link rod 22 is determined. Here, the upper link rod 21 has a slightly curved shape to allow the connecting beam 16 to escape in the folded state. A fifth pivot point 28 is tentatively determined at an appropriate position on the rear lower surface of the top plate 2, and the fifth pivot point 28 is located near the middle portion of the upper link rod 21 equidistant from the fifth pivot point 28 in the used state and the folded state. A point is determined, and this point is set as a sixth pivot point 29. The length of the interlocking rod 23 having the fifth pivot point 28 and the sixth pivot point 29 at both ends is determined. In this manner, the positions of the pivot points 24 to 29 are determined, and the top plate 2 is changed from the used state to the folded state in a state where the lengths and shapes of the upper and lower link rods 21 and 22 and the interlocking rod 23 are determined. If the gap 20 becomes smaller than the predetermined interval during the change, the above-described setting operation is repeated, and the gap 20 having the predetermined interval or more is always set during the series of folding operations of the top plate 2 and the curtain plate 3. Repeat until formed. As a result, it is guaranteed that the positions of the top plate 2 and the curtain plate 3 in the used state and the folded state are as designed, so if the gap 20 at a predetermined interval or more can always be secured during the folding operation, the setting work is performed. finish. Further, the third pivot point 26 and the fourth pivot point 27 are provided on the mounting base 15 of the support plate 14, and therefore, before the support plate 14 is mounted on the main leg 4, the vertical link rods 21, 22 are provided. Can be assembled.
[0028]
Next, the lock device C will be described with reference to FIGS. 2, 3, and 9 to 11. FIG. The lock device C is connected to the upper ends of the left and right legs 1 and 1 so that the lower surface sides of the top plate 2 are rotatable up and down, and rotates the top plate 2 in a substantially horizontal use state and upward. A lock device C for a folding table for fixing the table 2 in a folded state, wherein the top plate 2 is rotatably connected to a support plate 14 provided on the leg 1 by a main shaft 17, and the support plate 14 is The first engaging portion 30 and the second engaging portion 31 are formed at the edge of the top plate 2, and the restricting portion protrudes from the distal end of a restricting member 32 which is disposed on both sides of the lower surface of the top plate 2 so as to be vertically tiltable. 33, the regulating member 32 is elastically urged by a kick spring 34 so as to engage with the first engaging portion 30 in the use state and to engage with the second engaging portion 31 in the folded state, and The restricting portion 33 comes into contact with the operation piece 35 provided at the base end portion of the restricting member 32 and the first engaging portion 30 or the second The operating member 36 for operating the regulating member 32 in a direction away from the engagement portion 31, in which each side portion of the lower surface of the top plate 2 is provided rotatably.
[0029]
Here, the regulating member 32 can be tilted about a pivot 37, and an operation member 36 separate from the regulating member 32 is provided so as to be pivotable about a support shaft 36A. The operation members 36, 36 provided on both sides of the lower surface of the top plate 2 have their support shafts 36A, 36A fixed to both ends of one shaft 38 so as to rotate in conjunction therewith. I have. The operating member 36 has a lever 39 and a pressing piece 40 that comes into contact with the operating piece 35 of the regulating member 32. By lifting the lever 39, the pressing piece 40 pushes the operating piece 35 downward, whereby The pin-shaped restricting portion 33 of the restricting member 32 separates from the first engaging portion 30 or the second engaging portion 31 against the elastic biasing force of the kick spring 34, and the front edge portion of the top plate 2 and the like. Is rotated upward with a proper position, or downward to change the state. During this state change, the hand may be released from the lever 39, and the regulating portion 33 slides on the arc-shaped edge 41 of the support plate 14.
[0030]
More specifically, as shown in FIGS. 9 and 10, the mounting member 42 having a substantially U-shaped cross section that is opened downward is mounted on the lower surface of the top plate 2 with the groove 43 facing the front and rear sides on both sides. The upper part of the support plate 14 attached to the upper end of the leg 1 is disposed in the groove 43 of the attachment member 42 and is connected to both side wall plates 44 of the attachment member 42 by the main shaft 17 so as to be rotatable. The restricting member 32 and the operating member 36 are rotatably provided on the mounting member 42. The mounting member 42 is covered with a cover 45 made of synthetic resin.
[0031]
The regulating member 32 and the operating member 36 are formed separately, and the left and right operating members 36, 36 are linked by a shaft 38, so that even if the operating member 36 on either the left or right side is operated, both regulating members 32, 32 can be operated, and even if the member accuracy and the mounting accuracy are somewhat poor, the operation can be reliably performed. In addition, the most important operation of locking the restricting portion 33 of the restricting member 32 with the first engaging portion 30 or the second engaging portion 31 is independent by the elastic urging force of the kick spring 34. Therefore, the state can be reliably fixed between the use state and the folded state.
[0032]
In FIGS. 2 and 3, reference numeral 46 in the figures denotes a wiring duct attached to the rear lower surface of the top plate 2. The wiring duct 46 has a shape in which a front edge of a substantially L-shaped receiving portion is raised in a use state and is opened forward. In a state where the cord is wired to the wiring duct 46 from the front, even if the cord is folded as shown in FIG. 3, the cord does not fall. Further, since the gap 20 exists, even if the cord is wired through the gap 20 and the folding operation is performed, there is no possibility that the cord is disconnected.
[0033]
【The invention's effect】
The table and desk leg device according to the first aspect of the present invention comprises a main leg and one or more auxiliary legs selected from one or a plurality of types arranged in front of the main leg, and the upper and lower legs of the main leg are Since the upper end of the auxiliary leg is detachably connected to the middle part, it is compact when packing and storing, it is easy to assemble as a finished product, it is excellent in design, and the depth of the top plate Can be dealt with with minimal change of parts.
[0034]
According to the second aspect, the screw is located inside the auxiliary leg and is screwed into the main leg from the front side, so that the screw cannot be seen from the outer side surface, so that the appearance can be improved. Is engaged from the front side to the side surface of the connecting portion of the main leg, so the contact area increases, the connecting state becomes stable, and the protrusion to the side by the engaging portion is small, You do not have to worry about injuries even if you hit your feet.
[0035]
According to the third aspect, if the top plate is folded and the auxiliary legs are detached from the main legs, the bulk during packing and storage can be reduced and the size can be reduced, which contributes to cost reduction.
[0036]
According to the fourth aspect, a plurality of tables and desks can be stacked back and forth to enhance storage efficiency. At this time, the inner surfaces of the auxiliary legs of the front tables and desks and the rear tables and desks are protected by the protection members. This allows the outer surface of the main landing gear to slide smoothly and prevents damage due to collision.
[Brief description of the drawings]
FIG. 1 is an overall perspective view of a folding table according to an embodiment.
FIG. 2 is a side view of the folding table in a use state.
FIG. 3 is a side view of the folding table in a folded state.
FIG. 4 is an exploded perspective view of a connecting portion between a main leg and an auxiliary leg of the leg.
FIG. 5 is a perspective view showing an assembled state of a connecting portion between a main leg and an auxiliary leg of the leg.
FIGS. 6A and 6B show a state in which auxiliary legs are selected and attached according to the depth width of the top plate, FIG. 6A shows a case where the depth width of the top plate is small, and FIG. 6B shows a case where the depth width of the top plate is large. Each is shown.
FIG. 7 is a side view showing a state in which the auxiliary leg of the leg is removed from the main leg and the top plate and the curtain plate are folded down to make the leg compact.
FIGS. 8A and 8B are partial side views showing an interlocking mechanism of a top plate and a curtain plate, where FIG. 8A is a use state, FIG. 8B is a state of being folded, and FIG.
FIG. 9 is a partial perspective view showing a lock mechanism.
FIG. 10 is a partial plan view showing the lock mechanism.
FIGS. 11A and 11B show a lock mechanism, wherein FIG. 11A is a partial side view showing a locked state in a use state, and FIG. 11B is a partial side view showing a locked state in a folded state.
[Explanation of symbols]
Reference Signs List A Leg device B Curtain plate interlocking device C Lock device 1 Leg 2 Top plate 3 Curtain plate 4 Main leg 5 Auxiliary leg 6 Connecting part 7 Screw hole 8 Engaging part 8a Front part 8b Side part 9 Mounting hole 10 Screw 11 Caster 12 Protective member 13 Mounting recess 14 Support plate 15 Mounting base 16 Connecting beam 17 Main shaft 18 Rear end 19 Upper end 20 Void 21 Upper link rod 22 Lower link rod 23 Interlocking rod 24 First pivot point 26 Third pivot point 27 Fourth pivot point 28 Fifth pivot point 29 Sixth pivot point 30 First engagement part 31 Second engagement part 32 Restriction member 33 Restriction part 34 Kick spring 35 Operation piece 36 Operation member 37 Axis 38 Shaft 39 Lever 40 pressing piece 41 arc-shaped edge 42 mounting member 43 groove 44 wall plate 45 cover 46 wiring duct

Claims (4)

A leg device for supporting both sides of a table or a table top, comprising a main leg and an auxiliary leg selected from one or a plurality of types arranged in front of the main leg, and an upper and lower middle of the main leg A table and desk leg device characterized in that an upper end of an auxiliary leg is detachably connected to a part. A screw hole is formed on the front side of the connecting portion of the main leg that connects the auxiliary leg, and an engaging portion that engages from the front side to the side surface of the connecting portion of the main leg is formed on the upper end of the auxiliary leg. At the same time, a mounting hole is formed in an engaging portion corresponding to the screw hole, and a screw is inserted into the mounting hole from the front side and screwed into the screw hole in a state where the engaging portion is engaged with the connecting portion. The table and desk leg device according to claim 1. 3. The table and desk leg device according to claim 1, wherein the top plate is connected to the upper end of the main leg so as to be vertically foldable. The auxiliary leg is opened outward from the main leg so that it can be stacked back and forth, and a protective member having a sliding and cushioning function when receiving another table or desk main leg is attached to the inner side of the auxiliary leg. The table and desk leg device according to any one of claims 1 to 3, wherein the table and the desk leg device are provided.

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