JP2016209408A - desk - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a desk that excels in safety in a disaster.SOLUTION: The desk is composed of a top board 11 and first leg parts 12 which are perpendicularly installed downward from the top board 11 and are arranged with good balance in an erectable manner. The desk includes: guard plates 14 that are housed along the reverse side of the top board 11 and that are formed roughly with a width between adjacent legs of the plurality of the first leg parts 12; one or more shaft members 16 that axially support one side of the guard plates 16 so that the guard plates 14 are made rotatably pendent on the reverse side of the top board 11; and one or more rail members 17 that support the shaft members 16 slidably outward or inward on the reverse side of the top board 11. The guard plates 14 are rotated from the outside in the inside direction, and made pendent near the center of the reverse side of the top board 11, with the pendent guard plates 14 moved outward along the rail members 17, and with the side of the desk 11 thereby guarded with the guard plates 14.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a desk that is excellent in safety during a disaster.

  Japan is an earthquake-prone area, and disaster prevention education for the people has been conducted for some time. In the event of an earthquake, it is instructed to take measures such as concealing under the desk to protect myself from debris and flying objects. However, even under the desk, the desk is crushed by falling objects or the collapse of the building, etc., or it is fatally injured by flying objects from the side of the desk. I couldn't protect myself enough from flying objects. Meanwhile, the following are disclosed as desks that can protect themselves from flying objects.

  That is, when the drawer / opening lid that is slidably attached to the back side of the top plate is completely pulled out in the lateral direction, the drawer / opening lid rotates 90 degrees to close the side of the desk, thereby shaking the earthquake. An emergency evacuation desk that can protect itself from scattered objects is disclosed (Patent Document 1).

JP-A-7-250713

  However, in the technique described in Patent Document 1, when the drawer / opening lid, that is, the guard plate is pulled out from the back surface of the top plate, it is necessary to pull out the guard plate completely in the lateral direction. Therefore, the arm and hand of the victim who holds the guard plate, and in some cases, a part of the body such as the head is exposed to the outside of the desk, and there is a possibility that the part of the body is damaged by the flying object. There was a problem. In addition, after the shaking of the earthquake has subsided, when the guard plate is opened and evacuated from the desk, the guard plate must be lifted by rotating it outward, and there is rubble etc. outside the desk It is difficult to open the guard plate. For this reason, there is a problem in that the victim cannot be evacuated promptly, and the victim is further exposed to danger by delaying escape from the fire after the earthquake.

  Then, this invention made it the subject to provide the desk excellent in the safety | security at the time of a disaster.

  In order to solve the above problems, the present invention is configured as follows. That is, the desk according to the first aspect of the present invention is a desk comprising a top plate and a plurality of legs that are suspended downward from the top plate and arranged in a well-balanced manner. A guard plate that is stored along the back surface of the plate and is formed with a substantial width between adjacent leg portions of the plurality of leg portions, and the guard plate is rotated and drooped on the back surface side of the top plate. It consists of one or a plurality of shaft members that pivotally support one side of the guard plate, and one or a plurality of rail members that support the shaft members so as to be slidable outward or inward on the back side of the top plate. It is characterized by.

  Further, the desk according to claim 2 is characterized in that a pair of the guard plates are provided, and the side surfaces of the desk that are paired between the plurality of leg portions are formed to be guardable.

  Further, the desk according to claim 3 is configured by a substantially L-shaped member in cross-sectional view in which the plurality of legs are bent along adjacent desk side surfaces between the plurality of legs. Both ends of the guard plate slid to the inside are housed inside the substantially L-shaped member in cross-section, and a projecting rod is provided to prevent the guard member that hangs down and slides outward to return to the inside. It is characterized by being able to.

  According to a fourth aspect of the present invention, the desk includes a plurality of leg portions that are vertically suspended from the top plate and configured as four first leg portions that are arranged in a well-balanced manner so as to be erected. A second leg portion is suspended downward from a range surrounded by the four first leg portions of the plate, and a pair of opposite sides of the four first leg portions and the opposite side are connected to the second leg portion. And a fixing means for fixing the bottom plate to the floor surface, and a substantially H-shaped bottom plate that is formed in a line that is connected to each other and fixed to the bottom of each leg.

  Further, the desk according to claim 5 is a desk comprising a top plate and a plurality of legs that are suspended downward from the top plate and arranged in a well-balanced manner so that they can be erected. A steel plate for a top plate having a substantially U-shaped cross-sectional view with both ends bent is incorporated.

  The desk according to claim 6 is characterized in that the steel plate for the top plate has a lattice-shaped steel beam-like member attached to the inside of the substantially U-shaped cross-sectional view.

  Further, in the desk according to claim 7, the steel plate for the top plate having a substantially U-shaped cross-sectional view with both ends bent in the top plate, or a lattice-like shape inside the substantially U-shaped cross-sectional view. A steel plate for a top plate to which a steel beam-like member is attached is incorporated.

  According to the desk according to claim 1 of the present invention, since the guard plate is housed on the back of the top plate, the guard plate can be used as a general desk in a normal time. Without exposing a part of the body to the outside of the desk, and after the evacuated person evacuates under the desk, the guard plate is rotated from the outside of the top plate to the vicinity of the center and suspended, and the By sliding the guard plate in the outward direction, the guard plate can be safely opened from the back of the top plate and the side of the desk can be closed, and the victim's body can be protected from scattered objects. In addition, after the shaking of the earthquake has subsided, the side of the desk can be opened easily by lifting the guard plate toward the inside of the top board. Secondary damage can be avoided.

  Moreover, according to the desk of Claim 2, since the both sides | surfaces of a desk can be opened and closed by a pair of guard board accommodated in the back surface of the said desk with the effect of the desk of the said Claim 1, it is safer. You can protect the victims.

  In addition, according to the desk according to claim 3, both side ends of the guard plate are housed inside the L-shaped leg portion, and the protruding support bar prevents the protrusion and return to the inside of the guide plate. The impact of the debris and flying objects from the outside does not reach the victim, and the victim can be protected more safely.

  Further, according to the desk according to claim 4, by providing a substantially H-shaped bottom plate in a line connecting the bottoms of the first leg and the second leg, the first leg and the second leg In the event of an earthquake, when debris or flying objects fall or fly, it is possible to prevent the desk from collapsing from each leg due to the impact of the debris or flying objects, By fixing the bottom plate to the floor, the desk does not move due to the shaking of the earthquake, so that the victim can be protected more safely.

  Moreover, according to the desk of Claim 5, the strength of the top plate is improved by incorporating the steel plate for the top plate having a substantially U-shaped cross-sectional view in the top plate of the desk, and debris and scattering. The victims can be safely protected from objects or falling objects.

  Moreover, according to the desk of Claim 6, the intensity | strength of a top plate is further improved by attaching a grid-shaped steel needle-shaped member inside the steel plate for top plates, and debris and scattered matters, Or, the victims can be protected more safely from falling objects.

  Furthermore, according to the desk of Claim 7, in addition to the effect which the desk of the said Claim 1 thru | or 4 has, the steel plate for top plates was built in the top plate, so that not only the desk side but also the desk. The victims can be safely protected from debris, scattered objects, or falling objects from above.

It is a perspective view which shows the desk which concerns on this invention. It is a perspective view which shows this desk. It is AA sectional drawing which shows this desk. It is an expanded sectional view which shows the shaft member and rail member which concern on this desk. It is BB sectional drawing which shows this desk. It is BB sectional drawing which shows the movement to the desk side surface of the guard board which concerns on this desk. It is a perspective view which shows this desk. It is a figure which shows the support rod used with this desk. It is a perspective view which shows this desk frame. It is CC sectional drawing which shows the structure of this desk. It is a perspective view which shows the desk of the other Example which concerns on this invention. It is a perspective view which shows the desk of this other Example. It is DD sectional drawing which shows the desk of this other Example. It is a perspective view which shows the desk of this other Example.

  Hereinafter, the present invention will be specifically described with reference to the drawings. First, FIG. 1 is a perspective view showing a desk 10 according to the present invention, and FIG. 2 is a perspective view of the desk 10 as viewed from a lower oblique direction. In the present embodiment, the desk 10 according to the present invention will be described using a desk 10 having a rectangular top plate 11 and four first leg portions 12 as the most common desk 10 shape.

  The desk 10 includes a top plate 11 having a rectangular plate shape, four first leg portions 12 suspended downward from the corners of the top plate 11, and the center of the top plate 11. A second leg portion 13 is provided so as to hang downward, and a pair of guard plates 14 formed with a substantial width in the longitudinal direction between the first legs 12 are housed on the back surface of the top plate 11. Configured. Further, a substantially H-shaped bottom plate 15 and a fixing for fixing the bottom plate 15 and the floor surface, although not specifically shown, to a line connecting the second leg portion 13 and the bottom of the first leg portion 12. Means are provided.

  The four first leg portions 12 are made of an L-shaped material, and the top plate is arranged so that the curved surfaces of the L-shape are along the side between the adjacent first leg portions 12. 11 hangs downward from the vicinity of the corners.

  The second leg portion 13 is a range surrounded by the four first leg portions 12 of the top plate 11, and in the present embodiment, the second leg portion 13 is suspended downward from the center of the top plate 11. Has been. The shape of the second leg portion 13 is not particularly limited, and is formed in a cylindrical shape having a square cross section in the present embodiment.

  Here, the number of the first leg portions 12 related to the desk 10 is not limited to four as in the present embodiment, and may be constituted by three or more first leg portions 12, For example, the rectangular top plate 11 may be protruded in the horizontal direction from the wall surface of the room, and the two first leg portions 12 may be suspended downward from the vicinity of the corner at the front end of the top plate 11 in the protruding direction. That is, the number of the first leg portions 12 is not limited as long as the desk 10 can be configured to stand in a well-balanced manner by arranging the plurality of first leg portions 12.

  Further, the shape of the top plate 11 related to the desk 10 is not limited to a quadrangular shape as in this embodiment, and for example, when the desk 10 having three first leg portions 12 as described above is formed. The top plate 11 may be formed in a triangular shape so as to correspond to the number of the first leg portions 12, and various other changes such as a polygonal shape, a circular shape, or an elliptical shape are possible. .

  FIG. 3 is a cross-sectional view taken along the line AA showing the desk 10. Each guard plate 14 is supported by shaft members 16 at both ends of one side of the guard plate 14 so that one side of the guard plate 14 can rotate in the vicinity of the center of the back surface of the top plate 11. Is supported by a rail member 17 that slidably supports the guard plate 14 in the outer direction or the inner direction. Specifically, as shown in the enlarged sectional view of FIG. 4, the rail member 17 is an inner side surface of the both side curtain plate 18 provided on the side surface in the short side of the illustrated desk 10 and on both sides of the guard plate 14. It is provided so as to engage with the provided shaft member 16.

  Thus, the guard plate 14 housed on the back surface of the top plate 11 is rotated by the victim who evacuated under the desk 10 to rotate inward from the outside of the back surface of the desk 10, and then the shaft member 16. Can be moved in the lateral direction of the desk 10 by sliding along the rail member 17. Details of the procedure for moving the guard plate 14 will be described below with reference to FIGS. As shown in FIG. 2, when a victim evacuated under the desk 10 hangs the guard plate 14, a gripping portion 14 a serving as a handle is provided on the lower surface of the guard plate 14. Further, in this embodiment, the shaft member 16 is provided at both ends of one side of the guard plate 14 on the shaft side. However, only one shaft member 16 may be provided at the center of the one side, etc. It is also possible to provide it.

  FIG. 5 is a cross-sectional view taken along the line BB showing the desk 10. The guard plate 14 is accommodated along the back surface of the top plate 11 of the desk 10 and is not particularly shown, but is latched to the back surface of the top plate 11 by a latch or the like when stored. The guard plate 14 is configured to be able to hang from the back surface of the top plate 11 by grasping the grasping portion 14a and releasing the anchoring. The anchoring may be any configuration as long as it can be anchored and released, such as a magnet.

  FIG. 6 is a cross-sectional view taken along the line BB showing the procedure for moving the guard plate 14 to the side of the desk. First, the anchoring is released from the state of the guard plate 14 shown in FIG. 5, and the guard plate 14 is moved from the outer side to the inner side with the shaft member 16 pivotally supported in the vicinity of the center of the back surface of the top plate 11 as an axis. It hangs down while being rotated (state (a) shown in FIG. 6). Next, the suspended guard plate 14 is moved in the lateral direction (outward direction) of the desk 10 while sliding the shaft member 16 supported by the rail member 17 inside the curtain plate 18 (see FIG. 6). The state of (b) shown). Then, as shown in FIG. 7, the guard plate 14 is moved to the side surface of the desk 10 until it comes into contact with the first leg portion 12 (state (c) shown in FIG. 6).

  Here, when the guard plate 14 hangs down between the first leg portions 12, both side ends of the guard plate 14 come into contact with the first leg portion 12 made of the L-shaped material. Thereby, it can prevent that this guard board 14 opens more than necessary from between the 1st leg parts 12 of this desk 10 outside.

  The guard plates 14 may be configured as a pair as in the present embodiment, or may be configured by one or three or more according to various aspects of the desk 10.

  As described above, in the event of a disaster, the guard plate 14 can be moved to the side of the desk 10 to protect the victim from rubble and flying objects. And, for example, when a shake such as an earthquake has subsided, the disaster victim stores the guard plate 14 on the back surface of the top plate 11 in reverse to the above procedure, and opens the side of the desk 10. Evacuate from the side. Since the side surface of the desk 10 can be opened after the guard plate 14 is moved inward in this way, the opening is not hindered by debris or the like, and the disaster victim can evacuate quickly, and fire or the like. The next disaster can be avoided. When the victim is evacuated, it is not necessary to completely store the guard plate 14 on the back surface of the top plate 11, and it is sufficient that the side surface of the desk 10 can be opened to the extent that the disaster victim can evacuate.

  The bottom plate 15 is formed in a substantially H shape on a pair of opposite sides in the short direction of the desk 10 and a line connecting the opposite sides via the second leg portion 13 among the four first leg portions 12. The four first leg portions 12 and the second leg portion 13 are fixedly connected to each other. Although not specifically shown, the bottom plate 15 is provided with a fixing means for fixing the bottom plate 15 to the floor surface. The fixing means may be any method as long as the bottom plate 15 can be fixed to the floor surface, such as screwing or nailing.

  Thus, by providing the substantially H-shaped bottom plate 15, the first leg 12 and the second leg 13 are reinforced, and in the event of an earthquake, when debris or flying objects fall or fly, It is possible to prevent the desk from collapsing from the respective legs due to the impact of the rubble and flying objects, and the desk is moved by the shaking of the earthquake by fixing the bottom plate 15 to the floor surface by fixing means. It is possible to protect the victims even more safely because there is nothing to do.

  FIG. 8 is a perspective view showing a projecting support rod 19 according to the desk 10. The projecting support bar 19 is fitted to the projecting support bar engaging portion 19a so as to bridge the inner side surfaces of the pair of guard plates 14 at both ends thereof, and is pressed outward, so that the guard plate 14 is moved inward. It is provided in order to suppress going out.

  By providing the projecting support rod 19, debris, flying objects, etc. push the guard plate 14 inward to prevent the guard plate 14 from entering the desk 10 or moving the guard plate 14 back to the inside vigorously. Can protect the victims more safely. Further, when the victim evacuates, the guard plate 104 may be opened inward after removing the projecting support bar 19, so that even if the projecting support bar 19 is provided, it is possible to evacuate quickly.

  Even when the protruding support bar 19 is pressed outward, both side ends of the guard plate 14 abut on the L-shaped first leg portion 12, so that the guide plate 14 is more than the desk 10. Never go outside.

  One or a plurality of the support rods 19 may be provided, and by providing between the one guard plate 14 and the floor surface directly under the desk 10, the guard plate 14 can be returned to the inside. It may be suppressed.

  Next, the framework 20 of the desk 10 according to the present invention will be described with reference to FIGS. 9 and 10. FIG. 9 is a perspective view showing the framework 20 of the desk 10, and FIG. 10 is a cross-sectional view taken along the line C-C showing the desk 10. The framework 20 is made of a steel material that can withstand shaking such as an earthquake to reinforce the desk 10. As shown in the figure, the framework 20 includes a top plate support portion 21 that supports the back surface of the top plate 11 at the upper ends of the first leg portion 12 and the second leg portion 13, and a first plate in the first leg portion 12. It is composed of a leg bone part 22 and a second leg bone part 23 in the second leg part 13. In addition, although the bottom plate 15 in the drawing is shown for convenience of illustration, the bottom plate 15 is also formed of a steel material so that it can withstand shaking such as an earthquake.

  The top plate support portion 21 is formed of a steel material on which the top plate 11 can be placed on each upper end of the first leg bone portion 22, and the top plate 11 is placed and fixed from the back surface. The top plate support portion 21 is not particularly limited to the upper end of the first leg bone portion 22 and may be provided in a lattice shape so as to support the entire back surface of the top plate 11.

  Further, the first leg bone portion 22 is formed of an L-shaped steel material, and the first leg bone portion 22 is adjacent to the first adjacent leg portions 12 like the plurality of first leg portions 12. The L-shaped bent surfaces are suspended downward from the four corners of the grid-like top plate support portion 21 so that the L-shaped bent surfaces follow the side surfaces of the desk 1 between the leg portions 12. The L-shaped first leg bone portion 21 may be formed by bending a single steel plate into an L shape, or by combining two flat plate shapes into an L shape. May be.

  Further, the second leg bone portion 23 is a steel material matched to the shape of the second leg portion 13, and is formed to hang downward from the center of the top plate support portion 21.

  As shown in FIG. 10, the first leg portion 12 and the second leg portion 13 have the first leg bone portion 21 and the second leg bone portion 22 as skeletons, respectively. It is formed by covering the surface of the bone portion 21 and the second leg bone portion 22 with a decorative material such as wood.

  Further, a steel plate 24 for the top plate having a substantially U-shaped cross-sectional view is built in the top plate 11. By incorporating the steel plate 24 for the top plate, which is bent at both ends into a substantially U shape in cross section, in the top plate 11, the desk 10 is resistant to impacts from debris, scattered objects, fallen objects, and the like. The strength of can be improved. Although not shown, the top plate steel plate 24 may be reinforced by attaching a grid-like steel beam-like member by welding or the like inside the substantially U-shaped cross-sectional view. The top plate 11 in which the top plate steel plate 24 is built is placed and fixed on the top plate support portion 21.

  Thus, by comprising the framework 20 including the steel plate 24 for the top plate, the strength of the desk 10 according to the present invention can be further improved, and the victim can be protected more safely.

  Next, a desk 100 according to another embodiment of the present invention will be described with reference to FIGS.

  FIG. 11 is a perspective view showing a desk 100 according to another embodiment of the present invention, and FIG. 12 is a perspective view of the desk 100 as viewed from a lower oblique direction. The desk 100 includes a top plate 101 having a rectangular plate shape, four first legs 102 suspended downward from the corners of the top plate 101, and the vicinity of the center of the top plate 101. A second leg portion 103 that is suspended downward, and the back of the top plate 101 has a double door opening from near the center in the short direction of the top plate with the pair of opposite sides of the first leg 102 as axes. A pair of guard plates 104 that are opened in a shape and hang down are housed. Further, a substantially H-shaped bottom plate 105 is connected to a line connecting the bottom of the second leg 103 and the first leg 102, and although not specifically shown, fixing for fixing the bottom plate 105 and the floor surface. Means are provided.

  Since the description of the four first leg portions 102 and the second leg portion 103 is the same as the configuration of the embodiment, detailed description is omitted, and the guard plate 104 and the side surface of the guard plate 104 on the desk 100 are omitted. The hanging structure will be described in detail.

  The guard plate 104 is formed in a double-spread shape from the vicinity of the center in the short direction of the top plate 101 around a pair of opposite sides in the longitudinal direction between the adjacent first leg portions 102 of the four first leg portions 102. It can be opened and drooped. The guard plate 104 is housed in a space surrounded by the curtain plate 106 on the back surface of the top plate 101 in a normal state. In the event of a disaster, the guard plate 104 opens in a double-spread shape from the vicinity of the center of the top plate around a pair of opposite sides between the plurality of leg portions, and opens between the first leg portions 102. Drooped.

  In addition, the guard plate 104 may be configured as a pair of double-spreads as in the other embodiments, or may be one or three or more depending on various aspects of the desk 100. It can also be configured.

  Further, as shown in FIG. 12, gripping portions 104a serving as handles when the guard plate 104 is suspended or stored on the back surface of the top plate 101 are respectively provided on the outer surfaces of the guard plate 104. Is formed. Although not particularly illustrated, the grip 104 a may be provided on the inner surface of the guard plate 104 so that the guard plate 104 can be easily stored from the inside of the desk 100.

  When the guard plate 104 hangs down between the first leg portions 102 in this way, both side ends of the guard plate 104 come into contact with the first leg portion 102 made of the L-shaped material. As a result, the guard plate 104 can be prevented from being unnecessarily opened outward from between the first leg portions 102 of the desk 100.

  Thus, in the event of a disaster or the like, the guard plate 104 may be suspended to protect the victim from rubble and flying objects. For example, when shaking such as an earthquake has subsided, the disaster victim rotates the guard plate 104 inward and stores it on the back surface of the top plate 101, opens the side of the desk 100, and Evacuate from the side. Since the side of the desk 100 can be opened by rotating the guard plate 104 in this way, the opening is not hindered by debris, etc., and the victim can evacuate quickly, and a secondary disaster such as a fire. Can be avoided.

  FIG. 13 is a cross-sectional view of the desk 100 taken along the line DD, showing a state in which the pair of guard plates 104 open and hang down while rotating. As described above, the guard plate 104 opens by rotating from the vicinity of the center of the top plate 101 and hangs down between the first leg portions 102. One side of the pair of guard plates 104 is fixed by a hinge portion 104b around the pair of opposite sides as an axis, and is provided rotatably. The guard plate 104 can be easily attached to and detached from the back surface of the top plate 101 using a mooring portion 104c such as a latch when the guard plate 104 is stored on the back surface of the desk 100. Note that the rotation means of the guard plate 104 is not limited to rotation by the hinge portion 104b, and any means may be used for rotation and drooping. Further, the mooring portion 104c may have any other configuration as long as the guard plate 104 can be moored, such as magnetizing with a magnet.

  Thus, even if the guard plate 104 covers and closes the side surface of the desk 100, the disaster victim can protect himself / herself from debris and flying objects due to an earthquake or the like. Further, when the victim is evacuated, the guard plate 104 may be rotated inward and stored on the back surface of the top plate 101. When the victim is evacuated, it is not necessary to completely store the guard plate 104 on the back surface of the top board 101, and it is sufficient that the side of the desk 100 can be opened to the extent that the disaster victim can evacuate.

  FIG. 14 is a perspective view showing a desk 100 according to another embodiment. The projecting support rod 107 may be provided in the same manner as in the above embodiment, and both ends thereof are fitted to the projecting support rod engaging portions 107a provided on the guard plate 104 and bridged on the inner side surface of the guard plate 104a. .

  It is good also as a desk of the structure which combined each structure of the desk 10 of the Example which concerns on this invention, and the desk 100 of another Example, Moreover, it is not restricted to the said desk 10 or the desk 100, A plurality of top plates 11 and 101 are provided. Anything can be applied as long as it has the leg portion or the first leg portion 102 and can be erected.

DESCRIPTION OF SYMBOLS 10 Desk 11 Top plate 12 1st leg part 13 2nd leg part 14 Guard plate 14a Grasp part 15 Bottom plate 16 Shaft member 17 Rail member 18 Curtain plate 19 Projection support bar 19a Projection support bar engaging part 20 Frame 21 Top board support part 22 Bone for first leg 23 Bone for second leg 24 Steel plate for top plate 100 Desk 101 Top plate 102 First leg 103 Second leg 104 Guard plate 104a Grasping part 104b Hinge part 104c Mooring part 106 Curtain Plate 107 Protruding rod 107a Protruding rod engaging portion

Claims (7)

In a desk consisting of a top plate and a plurality of legs that are suspended downward from the top plate and arranged in a well-balanced manner,
A guard plate housed along the back surface of the top plate and formed with a substantially width between adjacent legs of the plurality of legs;
One or a plurality of shaft members that pivotally support one side of the guard plate so as to rotate and hang down on the back side of the top plate;
A desk comprising one or a plurality of rail members that slidably support the shaft member in an outer side direction or an inner side direction on the back side of the top plate. 2. The desk according to claim 1, wherein a pair of the guard plates are provided, and the side surfaces of the desk that are paired between the plurality of legs are formed to be guardable.
The plurality of legs are configured by a substantially L-shaped member in cross-sectional view that is bent along the adjacent desk side surface between the plurality of legs, and the both side ends of the guard plate that hangs down and slides outward are provided. 3. A protruding support rod is provided that is housed inside a substantially L-shaped material in cross-section and prevents the guard material that hangs down and slides outward to return to the inside. A desk according to any one of the above. The plurality of leg portions are configured as four first leg portions that are suspended from the top plate and arranged in a well-balanced manner so as to be erected, and the four first leg portions of the top plate. The second leg is suspended downward from the range surrounded by
A pair of opposite sides of the four first leg portions and a substantially H-shaped bottom plate formed in a line connecting the opposite sides via the second leg portion and fixed to each leg bottom, and the bottom plate on the floor surface The desk according to any one of claims 1 to 3, further comprising a fixing means for fixing. In a desk consisting of a top plate and a plurality of legs that are suspended downward from the top plate and arranged in a well-balanced manner,
A desk having a substantially U-shaped steel plate for cross-sectional view, with both ends bent, is built in the top plate. 6. The desk according to claim 5, wherein the top plate steel plate has a lattice-shaped steel beam-like member attached to the inside of a substantially U-shaped cross-sectional view. In the top plate, a steel plate for a top plate that is bent at both ends and is substantially U-shaped in cross-section, or a lattice-shaped steel beam-like member is attached to the inside of the substantially U-shape in cross-section. The desk according to any one of claims 1 to 4, wherein a plate steel plate is built in.