JP2005287697A - Service table - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To facilitate the mounting of objects, be easily used by disposing a side table and a main table flush with each other, allow the easy take-out/in of the side table at a small force, and compactly store it. <P>SOLUTION: This service table comprises the main table 1 having a mount frame 3 for disposing an object mount board 2 on its upper surface, the side table 11 disposed in one side of the main table 1 and fixed with a top plate 12 flush with the mount board 2, a pair of L-shaped rails 18 consisting of a horizontal part 20 and a vertical part 21, and a connecting mechanism 28 turnably and slidably connecting two fulcrums out of three fulcrums provided in a body base plate 24 into a triangular shape to the L-shaped rails 18, turnably journaling the other fulcrum to the lower surface of the side table 11 and connecting the main table 1 to the side table 11. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a telescopic table that allows the side table to be pulled out and stored. The side table and the main table can be arranged flush with each other, making it easier to place articles and improving usability. Is. Further, the side table can be easily pulled out and stored with less force, and the table can be stored compactly.

  Conventionally, as in Patent Document 1, one or a plurality of side tables are stored inside a main table, and these side tables are pulled out and used on one side or both sides of the main table. These side tables are provided with stoppers or the like so as not to be separated from the main table when being pulled out.

Moreover, in patent document 2, the extension pipe is inserted and arrange | positioned so that insertion / extraction is possible in the insertion pipe provided in the main table. And when extending | stretching and using a table, after extending this extension pipe from the inside of an insertion pipe, it mounts and uses a top plate on the upper surface of an extension pipe. On the other hand, when the table is contracted, the top plate is removed from the upper surface of the extension pipe and stored in the storage section provided below the mounting plate of the main table, and then the extension pipe is inserted into the insertion pipe, Is narrowed to enable compact storage.
JP-A-8-47426 Japanese Utility Model Publication No. 6-49217

  However, in the method of Patent Document 1, since the side table is stored below the main table, the side table needs to be narrower and shorter than the main table. For this reason, when the side table is pulled out, a step is generated between the top plate of the side table and the mounting plate of the main table, and it is difficult to place the article and the aesthetic appearance is impaired. In addition, since the depth of the top of the side table is narrow, the area for placing articles is also narrow.

  On the other hand, in the method of Patent Document 2, since the top plate is placed on the upper surface of the extension pipe that is substantially the same height as the insertion pipe, the top plate and the placement plate of the main table are flush with each other. Can be placed. In addition, the top plate can be formed to have the same depth as the mounting plate. Accordingly, it is possible to place the article stably and easily on the flat plate and the top surface of the top plate, and to improve the aesthetic appearance.

  However, in Patent Document 2, as described above, when the table is extended, it is necessary to move and place the top plate from the storage portion of the top plate to the upper surface of the extension pipe. It was necessary to remove and store it in the storage unit, which required labor and labor. Therefore, especially when primary schoolchildren are used for serving lunches, etc., the top plate is too heavy and difficult to handle, resulting in poor work efficiency.

  An object of the present invention is to solve the above-described problems, and in a telescopic table that allows the side table to be pulled out and stored, the side table and the main table can be arranged flush with each other, and It is intended to improve the usability and aesthetics. Further, the side table can be easily pulled out and stored with less force, and the table can be stored compactly.

  In order to solve the above-described problems, the present invention provides a main table formed by providing support legs on the lower surface of a mounting frame on which an article mounting plate is arranged on the upper surface, and a main table arranged on one side of the main table. A side table with a top plate that is flush with the mounting plate is fixed to the upper surface of the support leg, and is provided on both outer sides of the mounting frame. The horizontal part and the side of the horizontal part on the side table side are vertically downward. A pair of L-shaped rails composed of a provided vertical part, and two L of the three fulcrum points provided in a triangular shape on the body substrate are connected to the L-shaped rail so as to be rotatable and slidable. Is connected to the lower surface of the side table so that the main table and the side table can be moved. When the side table is pulled out, the two fulcrum points engaged with the outer rail are connected. One side of the L-shaped rail The other side is placed in the vertical part of the L-shaped rail, and when the side table is stored, the side table is pressed toward the main table, so that the main body substrate is rotated with the side table shaft support as the fulcrum. The top table of the side table may be arranged on the upper surface of the main table by raising the side table and sliding the two fulcrums engaged in the L-shaped rail within the horizontal portion of the L-shaped rail.

  Moreover, you may arrange | position a mounting board so that attachment or detachment is possible on the upper surface of a mounting frame.

  The main table has an extension table on the other side opposite to the side table, and the extension table is formed flush with the mounting table of the main table to store the extension table and the side table. At the time, after removing the mounting plate from the mounting frame of the main table, press the extension table to the main table side to place the extension top plate of the extension table on the upper surface of the mounting frame. The side table top plate may be arranged on the upper surface of the extension table top by storing the table on the table side and pressing and moving the side table to the main table side after the extension table is stored.

  In addition, the side table and / or the extension table are provided with a fixing hook, and the support leg of the main table is connected to the mounting frame by a connecting rod arranged in the crossing direction, and the side table and / or the main table is inserted into the main table. Alternatively, the fixed hook may be engaged with the connecting rod of the main table when the extension table is stored.

  Further, the main table and / or the side table and / or the extension table may be rotatably connected to the lower end of the support leg.

  The main table may be configured such that a support frame parallel to the mounting frame is fixed to the support legs, and a mounting plate removed from the mounting frame can be disposed on the upper surface of the support frame.

  The main table may be formed by dividing the mounting plate into a plurality.

  The present invention is configured as described above, and it is possible to make the placement plate of the main table and the top plate of the side table flush with each other, making it easy to place articles, and improving usability and aesthetics. It becomes possible to improve. Moreover, when storing the side table, it is not necessary to remove the top plate, and the side table can be placed on the top surface of the main table by simply moving the side table while pulling it up to the main table. Storage is possible and the table is shrunk narrowly, so that compact storage is possible. As a result, it is possible to smoothly move to a storage location and the like, and it is possible to store a table with high storage efficiency without using a large space. In addition, the side table can be stored and pulled out with less force by sliding the two fulcrum points of the coupling mechanism in the L-shaped rail. Easy-to-handle products can be obtained.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. (1) is a main table, and a side table (11) is arranged on one side so that it can be taken in and out. Further, the main table (1) has a pair of parallel mounting frames (3) for mounting the article mounting plate (2) on the upper surface. Further, as shown in FIG. 3, a pair of connecting rods (8) are connected and fixed to the mounting frame (3) in the crossing direction, and support legs (4) are connected and fixed to both ends of the connecting rod (8). ing. A caster (5) is attached to the lower end of the support leg (4) to enable the main table (1) to move. By providing the caster (5) with a lock mechanism (not shown) or the like, it is possible to prevent inadvertent movement during use. In this embodiment, as will be described later, not only the side table (11) can be put in and out of the main table (1), but the extension table (14) can be put in and out of the main table (1). It is arranged. In order to allow the extension table (14) to be taken in and out, the mounting plate (2) is detachably disposed on the mounting frame (3). Further, in order to make it easy to attach and detach the mounting plate (2), as shown in FIG. 1, it is divided into two pieces to reduce the weight of the single mounting plate (2) and to be attached and detached separately from each other. Is possible.

  The support legs (4) are connected by support rods (6) and (7) arranged in pairs above and below the mounting frame (3) so as to reinforce the main table (1). As shown in FIG. 1, a mounting plate (2) removed from the mounting frame (3) can be mounted on the support rods (6) and (7). The supporting leg (4) further reinforces the main table (1) by connecting the lower side of the connecting rod (8) with a separate connecting rod (10).

  In this embodiment, the mounting plate (2) of the main table (1), the top plate (12) of the side table (11) described later, and the extension top plate (15) of the extension table (14) are mounted. The direction parallel to the frame (3) is defined as the width, and the direction perpendicular to the mounting frame (3) is defined as the depth. Further, the side table (11) side of the main table (1) is set as one side, and the extension table (14) side is set as the other side.

  The main table (1) is arranged so that the side table (11) can be taken in and out on one side. As shown in FIG. 1, the side table (11) is provided with a top plate (12) that is flush with the mounting plate (2) of the main table (1), and the main table (1) of the top plate (12) is provided. The support legs (13) are connected and fixed to the two corners on the opposite side to the) side by means of mounting brackets (not shown) or the like. Also, a caster (5) is attached to the lower end of the support leg (13) of the side table (11) to enable movement of the side table (11) and to the side table (11) relative to the main table (1). ) Is made easy.

  Further, when it is desired to provide a larger mounting area for the table (34), an extension table (14) may be provided separately from the side table (11) as in this embodiment. The extension table (14) is arranged so as to be able to be taken in and out on the other side of the main table (1) opposite to the side table (11). The extension table (14) has an extension top plate (15) flush with the mounting plate (2) of the main table (1), and the main table (1) of the extension top plate (15) is the same as the extension table (1). Support legs (16) are connected and fixed to two opposite corners by means of mounting brackets (not shown). A caster (5) is also attached to the lower end of the support leg (16) of the extension table (14) to allow the extension table (14) to move, and to extend the extension table (14) relative to the main table (1). ) Is made easy.

  In order to put the side table (11) and the extension table (14) in and out of the main table (1), the main table (1) has a pair of inner rails (17) on both inner sides of the mounting frame (3). And a pair of L-shaped rails (18) are provided on both outer sides of the mounting frame (3). The L-shaped rail (18) is provided with a horizontal portion (20) parallel to the mounting frame (3), and the end of the horizontal portion (20) on the side table (11) side is formed vertically downward. A vertical portion (21) is provided and formed.

  In the extension table (14), rollers (not shown) are rotatably connected to the lower side of both ends on the main table (1) side, and the rollers can be rotated and slid on the inner rail (17). Is engaged. As shown in FIG. 2, the extension table (14) is attached to the main table (1) with the mounting plate (2) removed from the mounting frame (3) by the engagement between the inner rail (17) and the roller. The extension table (15) of the extension table (14) can be placed on the upper surface of the mounting frame (3) by pushing it to the side, and the extension table (14) can be stored on the main table (1) side. It becomes possible.

  The inner rail (17) is extended by vertically projecting the bottom wall of one end on the side table (11) side and projecting a contact wall (not shown) for contacting the roller. When the table (14) is stored, the side table (11) side is prevented from being detached. The extension table (14) can be detached from the side table (11) by the support leg (16) of the extension table (14) hitting the connecting rods (8), (10) of the main table (1). Can be prevented.

  Also, a stopper means such as a closing plug (not shown) is detachably attached to the other end of the inner rail (17) so that the roller can be detached from the inner rail (17) when the extension table (14) is pulled out. Is preventing. Also, by removing this stopper plug, the roller can be engaged or disengaged in the inner rail (17) when the extension table (14) is assembled to or disassembled from the main table (1). Is.

  On the other hand, the side table (11) and the main table (1) are connected by a connecting mechanism (28). The coupling mechanism (28) is configured such that a metal support plate (23) is vertically connected and fixed to both ends of the side table (11) on the main table (1) side, and is substantially mounted on the support plate (23). The main body substrate (24) having a shape is connected via a shaft support portion (25) so as to be rotatable. Moreover, the first roller (26) and the second roller (27) can be turned inside the other two fulcrum points arranged in a triangular shape on the main body substrate (24) with the shaft support part (25) as one fulcrum. The first roller (26) and the second roller (27) are slidably engaged in the L-shaped rail (18).

  When the side table (11) is pulled out, as shown in FIG. 1, the first roller (26) is positioned on the horizontal portion (20) of the L-shaped rail (18) and the second roller (27) is vertical ( By being positioned at 21), the top plate (12) of the side table (11) and the mounting plate (2) of the main table (1) can be arranged flush with each other. When the side table (11) is stored, the top plate (12) is pressed toward the main table (1), and the first roller (26) is slid in the horizontal portion (20) and the vertical portion (21). By moving the second roller (27) arranged on the horizontal part (20) to the horizontal part (20), the top plate (12) of the side table (11) is moved to the extension top plate (15) of the extension table (14) as shown in FIG. ), The side table (11) can be stored in the main table (1).

  As described above, the shaft support portion (25) and the other two fulcrum points are provided so that the top plate (12) of the side table (11) can be disposed on the upper surface of the extension top plate (15) of the extension table (14). In other words, each distance between the shaft support portion (25) and the first roller (26) and the second roller (27) is formed at an interval wider than the thickness of the extension top plate (15). Further, since the extension top plate (15) of the extension table (14) is disposed in the gap between the pair of support plates (23) and the main body substrate (24) pivotally supported by the pair of support plates (23), the pair of support plates (23 ) And the main body substrate (24) are formed wider than the depth of the extension top plate (15).

  Also in this side table (11), as shown in FIGS. 2 and 3, the lower end of the vertical portion (21) is projected to project the abutting wall (35), and the first roller (26 ) And the second roller (27) are prevented from coming off. Further, a stopper plug (36) is detachably attached to the end of the horizontal portion (20) to prevent the first roller (26) and the second roller (27) from being detached. Also in this case, the side table (11) can be prevented from being detached by the support legs (13) of the side table (11) striking the connecting rods (8), (10) of the main table (1). it can. When the side table (11) is assembled to the main table (1) or disassembled, the first roller (26) and the second roller to the L-shaped rail (18) are removed by removing the stopper plug (36). The two rollers (27) can be easily engaged and disengaged.

  As described above, the gap between the support plate (23) and the main body substrate (24) can be adjusted according to the depth of the extended top plate (15), and the placement plate (2) is removed. Since the extension top plate (15) can be arranged on the upper surface of the frame (3), the depth of the extension top plate (15) can be made the same as the depth of the mounting plate (2). Further, the top plate (12) of the side table (11) is also arranged on the upper surface of the extension top plate (15), so that the width of the support leg (4) is not limited, and the top plate (12) The depth can also be formed with the same dimension as the depth of the mounting plate (2). Therefore, the mounting plate (2), the top plate (12), and the extension top plate (15) are formed to be flush with each other. While increasing, it is possible to improve the aesthetics and to obtain a table (34).

  In this embodiment, the back surfaces of the horizontal portion (20) and the inner rail (17) of the L-shaped rail (18) are fixed by welding or screws, and the horizontal portion (20) and the inner rail (17) The upper surface is used as a mounting frame (3) for mounting the mounting plate (2). In addition, a pair of fixing brackets (37) is provided on the lower surface of the mounting plate (2) via a distance between the pair of inner rails (17), and the fixing bracket (37) is connected to the pair of inner rails (17). ), The mounting plate (2) can be stably mounted. On the other hand, when mounting the mounting plate (2) on the support rods (6) and (7), as shown in FIG. 1, the fixing bracket (37) is arranged on the outer surface of the pair of support rods (6) and (7). This prevents the mounting plate (2) from being carelessly detached from the support rods (6) and (7).

  Further, the side table (11) and the extension table (14) are connected to the lower sides of the support legs (13) and (16) by connecting rods (30) and (31), respectively. ) To improve the support stability of the side table (11) or the extension table (14). Further, in the side table (11), an L-shaped fixing hook (32) is provided above one support leg (13), and when the side table (11) is stored, as shown in FIG. 32) can be engaged with the connecting rod (8) on the upper side of the main table (1). In the extension table (14), a fixed hook (33) is connected to the connecting rod (31), and the fixed hook (33) is connected to the lower side of the main table (1) as shown in FIGS. The connecting rod (10) can be engaged. By engaging the fixed hooks (32) and (33) with the connecting rods (8) and (10), the side table (11) and the extension table (14) can be moved when the storage table (34) is moved. It is possible to prevent unintentional popping out and smoothly perform the moving work.

  A procedure for using the serving table (34) configured as described above, for example, for serving meals will be described. First, when the table (34) is used, as shown in FIG. 1, when the side table (11) and the extension table (14) are pulled out, the mounting plate (2), the top plate (12) and the extension table are extended. The plate (15) can be placed flush, and there is no step to ensure a large placement area, and dishes, food trays, etc. can be placed easily and stably. .

  Further, the two mounting plates (2) of the main table (1) may be arranged on the upper surface of the mounting frame (3), or only one of the mounting plates (2) is mounted on the mounting frame (as shown in FIG. 3), and the other may be placed on the upper surface of the upper support rod (6). By placing a heavy food canister containing stew etc. on the other placement plate (2) arranged on the upper surface of the support rod (6), the food can can be connected to the frame (3) and the four sides of the food can. It can be enclosed by the side surface of the bowl (8), one mounting plate (2) and the top plate (12) of the side table (11), and the food can can be prevented from falling down. In addition, the position of the food can is lowered, and it becomes possible for a student in the lower grades to easily perform the distribution work such as stew. When the food can is tall, the placing plate (2) can be placed on the upper surface of the lower support rod (7), and the food can can be stably placed at a lower position.

  Also, the side table (11) and the extension table (14) are pulled out to prevent the entire table (34) from being moved inadvertently by locking the locking mechanism provided on each caster (5). At the same time, it is possible to prevent the side table (11) and the extension table (14) from returning to the main table (1) side.

  Further, as shown in FIG. 1, the side table (11) rotates to the main table (1) side with the shaft support (25) as a fulcrum, and the first roller (26) is the horizontal portion of the L-shaped rail (18). The second roller (27) is disposed on the vertical portion (21) while being substantially horizontal with the shaft support portion (25). Therefore, even if the student gives a slight impact such as pushing the side table (11) in the direction of the main table (1) by mistake, the shaft support (25), the first roller (26) and the second roller (27) By supporting the three fulcrums, the side table (11) can be prevented from inadvertently returning to the main table (1) side.

  Further, as shown in FIG. 1, the extension table (14) is provided with a mounting plate (2) adjacent to the extension top plate (15), so that the mounting plate (2) serves as a stopper. It is possible to prevent the extension table (14) from inadvertently moving to the main table (1) side. More preferably, the extension table (14) may be provided with a conventionally known appropriate stopper mechanism to further enhance the effect of preventing the extension table (14) from being inadvertently returned.

  In order to store the layout table (34) in a compact shape after use, first, the mounting plate (2) mounted on the upper surface of the mounting frame (3) is removed and the support plate (6) is removed. Place on top. In Patent Document 2, since a heavy top plate is moved, excessive labor is required. However, in this embodiment, since the mounting plate (2) is divided into two, the weight can be reduced. Even lower grades are easier to handle. Next, the extension table (14) is stored. In this case, if an appropriate stopper mechanism is provided as described above, the stopper mechanism is released and the support leg of the extension table (14) is released. Unlock the caster (5) attached to (16).

  When the extension table (14) is pressed toward the main table (1), the roller connected to the extension top plate (15) slides in the inner rail (17), so that the extension table (14) can be easily moved. It can be moved horizontally in the direction of the mounting frame (3). Then, as shown in FIG. 2, the extension table (14) is placed on the upper surface of the mounting frame (3) from which the mounting plate (2) has been removed, with the extension table (15) being disposed. (3) can be stored in, and even lower grade students can easily store without requiring much effort.

  After the movement of the extension table (14) is completed, the end of the extension top plate (15) on the support leg (16) side is lifted with the roller as a fulcrum, and the fixing hook (33) is moved to the main table (1). Engaging with the connecting rod (10) on the lower side. After the engagement, the extended top plate (15) is returned to the horizontal position so that the extension top plate (15) becomes horizontal, and the fixed extension hook (33) engages with the stored extension table (14). It will not be ready to jump out.

  Next, in order to store the side table (11), the caster (5) attached to the support leg (13) of the side table (11) is unlocked. Then, as shown by the two-dot chain line in FIG. 4, the top plate (12) is pushed toward the main table (1) side while slightly lifting the main table (1) side of the top plate (12) of the side table (11). By doing so, the first roller (26) and the second roller (27) slide in the L-shaped rail (18), and the second roller (27) moves from the vertical part (21) to the horizontal part (20). Moving. Due to the movement to the horizontal portion (20), the main body substrate (24) is rotated through the shaft support portion (25), and the top plate (12) of the side table (11) is moved as shown by a solid line in FIG. It rises through a gap through which the extended top plate (15) can be interposed.

  When the top plate (12) is further pushed and moved in this raised state, the first roller (26) and the second roller (27) slide along the horizontal portion (20), and the top of the side table (11). The plate (12) can be placed on the upper surface of the extension top plate (15) of the extension table (14). After moving to the end point, the support leg (13) side of the top board (12) is lifted, and the fixing hook (32) protruding from the support leg (13) is attached to the upper side of the main table (1). By engaging the connecting rod (8), as shown in FIG. 3, the side table (11) is easily detached from the upper surface of the extension table (14) with the top plate (12) arranged horizontally. It can be stored without any problems.

  As described above, the table (34) can be narrowed to a compact shape and can be stored without using a large space. In addition, the downsizing enables the side table (11) and the extension table (14) to be moved smoothly together with the main table (1) even when moving to a storage place or the like.

  When extending the stowed table (34) in the retracted state of FIG. 3, first the engagement between the fixing hook (32) of the side table (11) and the connecting rod (8) is performed in the reverse procedure. After the release, when the top plate (12) of the side table (11) is pulled out in the pulling direction, the first roller (26) and the second roller (27) are placed in the horizontal part (20) of the L-shaped rail (18). The top plate (12) moves in the pull-out direction by sliding. Then, when the second roller (27) moves along the L-shaped rail (18) toward the vertical portion (21), the main body substrate (24) rotates via the shaft support portion (25), and the ceiling The plate (12) is lowered, and the side table (11) can be arranged on one side of the main table (1) as shown in FIG.

  Next, after releasing the engagement between the fixing hook (33) of the extension table (14) and the connecting rod (10), the extension table (14) was pulled out in the pulling direction and connected to the extension top plate (15). By sliding the roller in the inner rail (17), the extension table (14) can be easily pulled out to the other side of the main table (1) as shown in FIG.

  In the first embodiment, the first roller (26) and the second roller (27) are pivotally connected to two of the three fulcrum points arranged in a triangular shape on the main body substrate (24), and the L-shaped rail. (18) is engaged. On the other hand, as another different embodiment, an engagement shaft or the like may be provided at two fulcrums, and the engagement shaft may be slidably engaged in the L-shaped rail (18). .

  In the above embodiment, the main body substrate (24) is pivotally supported on the support plate (23), but it may be directly pivotally supported on the top plate (12). Further, the main body substrate (24) has a trapezoidal shape in this embodiment, but if the three fulcrum points can be arranged in a triangular shape, the main body substrate (24) may be formed in a triangular shape or a square shape. Alternatively, a rectangular shape or the like may be used.

  Moreover, in the said Example, the side table (11) and the extension table (14) are provided in the main table (1), and the table (34) is formed. However, as described above, as another embodiment, the table (34) may be formed only by the main table (1) and the side table (11) without providing the extension table (14). You can get an inexpensive product. In this case, since the extension table (14) is not stored in the main table (1), the mounting plate (2) is disposed on the upper surface of the mounting frame (3) of the main table (1). Thus, the top plate (12) of the side table (11) can be arranged on the upper surface of the mounting plate (2), and the labor and labor for removing the mounting plate (2) can be saved.

  In addition, as described above, the mounting plate (2) is moved to the upper surface of the support rods (6) and (7) and used as a food can receiver for food, and the mounting frame (3) This is for the purpose of preventing the can from falling. Therefore, if it is not necessary to place heavy items such as food cans and to prevent them from falling down strictly, the mounting plate (2) is fixed to the mounting frame (3) and the main table ( 1) may be formed. Further, if there is no need to reinforce the support leg (4), the support rods (6) and (7) may be omitted. In either case, the product with only the side table (11), or the product with the side table (11) and the extension table (14), the best depending on the purpose of use, the budget, the size of the place of use, etc. It becomes possible to implement in the form of.

1 is an overall perspective view of a layout table according to an embodiment of the present invention. The perspective view of the state which stored the extension table in the main table side. The perspective view of the state which has arrange | positioned the side table on the upper surface of an extension table, and stored in the main table side. The elements on larger scale near the connection mechanism of a side table.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main table 2 Mounting plate 3 Mounting frame 4 Support leg 5 Caster 6 Supporting rod 7 Supporting rod 8 Connecting rod 10 Connecting rod 11 Side table 12 Top plate 13 Supporting leg 14 Extension table 15 Extension top plate 16 Supporting leg 18 L-shape Rail 20 Horizontal portion 21 Vertical portion 24 Body substrate 25 Shaft support (one fulcrum of the present invention)
26 1st roller (one fulcrum of the present invention)
27 Second roller (one fulcrum of the present invention)
28 Connecting Mechanism 32 Fixed Hook 33 Fixed Hook

Claims (7)

A main table formed by providing support legs on the lower surface of the mounting frame on which the product mounting plate is arranged on the upper surface, and a top plate that is arranged on one side of the main table and is flush with the main table mounting plate. A pair of L-shaped rails comprising a side table fixed to the upper surface of the legs, a horizontal portion provided on both outer sides of the mounting frame, and a vertical portion provided vertically downward from an end of the horizontal portion on the side table side And two L of the three fulcrum points provided in a triangular shape on the body substrate are connected to the L-shaped rail so as to be rotatable and slidable, and the other fulcrum is pivotally supported on the lower surface of the side table. And a connecting mechanism for connecting the main table and the side table so that the position of the main table and the side table can be moved. The other is the vertical part of the L-shaped rail When the side table is stored, the side table is pushed to the main table side to rotate the main body board with the side table shaft support as a fulcrum, and the side table is raised and engaged in the L-shaped rail. The pedestal is characterized in that the top table of the side table can be arranged on the upper surface of the main table by sliding the two fulcrum points in the horizontal part of the L-shaped rail. 2. The table according to claim 1, wherein the mounting plate is detachably disposed on the upper surface of the mounting frame. The main table has an extension table on the other side opposite to the side table, and the extension table top of the extension table is formed flush with the mounting plate of the main table. After removing the mounting plate from the mounting frame of the main table, press the extension table to the main table side to place the extension top plate on the upper surface of the mounting frame and place the extension table on the main table side And after the extension table is stored, the top table of the side table can be arranged on the upper surface of the extension top plate of the extension table by pressing and moving the side table toward the main table. 1 or 2 table. The side table and / or extension table has a fixed hook projecting, and the support leg of the main table is connected to the mounting frame by a connecting rod arranged in a crossing direction, and the side table and / or extension into the main table is connected. 4. The table according to claim 1, wherein the fixed hook is engaged with a connecting rod of the main table when the table is stored. 5. The table according to claim 1, 3 or 4, wherein the main table and / or the side table and / or the extension table has a caster rotatably connected to a lower end of the support leg. The main table has a support frame parallel to the mounting frame fixed to a support leg, and a mounting plate removed from the mounting frame can be disposed on the upper surface of the support frame. 3, 4, or 5 serving tables. 7. The table according to claim 2, 3, 4, 5 or 6, wherein the main table is formed by dividing the mounting plate into a plurality.

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