JP2005185601A - Leg structure of table - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a leg structure of a table which increases a stability of the table without impairing the novelty and design of its leg frame which is approximately L-shaped in top view. <P>SOLUTION: A lower plate 25 can be easily attached to a lower end surface 24' of the leg frame 21 by fitting protrusions 26 of the lower plate 25 to engaging grooves 24b of the leg frame 21. The contact surface between the leg frame 21 supporting the table and the floor surface 34 is increased by the lower plate 25 and the stability can be improved. The lower plate 25 can also be provided with an adjuster. Since two sides of the periphery of the lower plate 25 are approximately flush with an external side 23a of the front surface of the leg frame 21 and an external side 23a' of its side surface and the junction between the leg frame 21 and the lower plate 25 is hard to spot when the lower plate 25 is attached to the leg frame 21, the appearance of the table becomes good. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a structure of a leg frame of a table in which a top plate is attached to an upper part of the leg frame.

  A conventional table leg normally uses a column having a substantially rectangular shape when viewed from above, and other table leg shapes include a substantially triangular leg frame when viewed from above (see Patent Document 1) and a table leg having a generally circular shape when viewed from above. (See Patent Document 2). Since the lower end surfaces of these table legs are installed with a predetermined area with respect to the floor surface, they are grounded firmly and support the table stably.

  In recent years, a wide variety of table legs have been designed, and consumers are widely demanding novelty that is not found in ordinary tables and table legs that attract the line of sight of the surroundings. A table using an approximately L-shaped leg frame was devised.

Japanese Utility Model Publication No. 5-39331 (FIG. 1) Japanese Patent Application Laid-Open No. 7-110019 (FIG. 2)

  However, the Applicant's substantially L-shaped leg frame in a top view has a problem of stability of the table because it has a smaller contact area with the floor than a conventional table leg.

  The present invention has been made paying attention to such problems, and provides a table leg structure with improved table stability without impairing the novelty and design of a substantially L-shaped leg frame in top view. The purpose is to do.

In order to solve the above-described problems, the leg structure of the table according to claim 1 of the present invention is provided with a leg frame below the corner support member of the support frame, and a top plate attached to the upper part of the support frame. A leg frame structure of a table, the leg frame being substantially L-shaped when viewed from above and extending in the vertical direction, and having a fitting groove formed on the lower end surfaces of both L-shaped blades, abutting against the lower end surface of the leg frame The lower plate is provided with a convex portion that fits into the fitting groove, and the convex portion provided on the lower plate is fitted into the fitting groove.
According to this feature, the lower plate can be easily attached to the lower end surface of the leg frame by fitting the convex portion of the lower plate into the fitting groove of the leg frame, and the leg that supports the table by this lower plate. The contact area with the floor surface of the frame is increased, and stability can be enhanced.

A table leg structure according to a second aspect of the present invention is the table leg structure according to the first aspect, wherein a screw mounting groove is provided at the lower end surfaces of both L-shaped wings of the leg frame, and the lower plate is provided with the lower plate. A screw insertion hole communicating with the screw mounting groove is provided, and a screw is inserted into the screw insertion hole from below the lower plate and is screwed into the screw mounting groove.
According to this feature, the lower plate can be firmly fixed to the leg frame by inserting the screw into the screw insertion hole of the lower plate and screwing it into the screw mounting groove of the leg frame.

The table leg structure according to claim 3 of the present invention is the table leg structure according to claim 1 or 2, wherein two side surfaces of the peripheral surface of the lower plate are substantially the same as the outer surface of the leg frame. It is characterized by having become one.
According to this feature, the outer side surface of the leg frame and the two side surfaces of the lower plate are flush with each other, and the joint between the leg frame and the lower plate can be made inconspicuous, so the appearance from the outside of the table is good.

A table leg structure according to a fourth aspect of the present invention is the table leg structure according to any one of the first to third aspects, wherein the lower plate is provided on an inner corner side of the leg frame, and the lower plate A projecting portion facing upward from the upper surface of the lower plate is extended, a female screw portion continuous from the lower surface of the lower plate is formed in the projecting portion, and a male screw portion formed on the adjuster is screwed into the female screw portion. It is characterized by that.
According to this feature, since the protrusion to which the adjuster is attached is provided on the lower plate on the inner corner side of the leg frame, the protrusion is concealed from the two side surfaces of the leg frame, and the appearance from the outside of the table is good, and the leg frame There is no loss of design.

A table leg structure according to a fifth aspect of the present invention is the table leg structure according to the fourth aspect, wherein the female screw portion is provided so as to penetrate above the protruding portion, and the adjuster male screw is provided. The fitting part which can fit a tool was provided in the upper surface of the part.
According to this feature, even when the adjuster is attached to the lower part of the lower frame, the tip of the tool can be inserted into the fitting part of the adjuster from above the protrusion to easily bring the table to the desired height. Since it is possible to adjust, it is not necessary to lift the leg frame to adjust the height of the adjuster as in the conventional case, and the labor of the operator can be reduced.

The table leg structure according to claim 6 of the present invention is the table leg structure according to claim 5, wherein a closing member having a male screw portion formed at a lower portion is provided, and the male screw portion of the closing member is provided. Is screwed into the female threaded portion of the protruding portion from above.
According to this feature, the closure member is attached to the upper surface of the projection portion by screwing the male screw portion of the closure member using the female screw portion formed on the projection portion, and the female screw portion of the projection portion. Is closed to prevent dust from the outside from entering the female screw portion.

  Examples of the present invention will be described below.

  FIG. 1 is a perspective view showing an overall image of a support frame structure of a table as an embodiment of the present invention, and FIG. 2 is an exploded perspective view showing members constituting a support frame body that supports the top plate of the table. FIG. 3 is an exploded perspective view of a corner support member, a front top plate support frame, and a leg frame constituting the support frame, and FIG. FIG. 5 is a cross-sectional view showing the connection between the mating protrusion and the top plate support frame, FIG. 5 is an exploded perspective view of attaching the corner cover to the corner support member, and FIG. FIG. 7 is an assembled perspective view in which front and side top plate support frames, corner support members, leg frames, and corner covers are connected, and FIG. 8 is a support view. With the top plate attached to the frame FIG. 9 is an exploded perspective view showing the structure of the lower end portion of the leg frame, and FIG. 10 is a cross-sectional view showing the height adjustment of the leg frame.

  As shown in FIG. 1, corner support members 3 having corner covers 30 are provided at both ends of a front and rear top plate support frame 14 provided along the lower surface of the top plate 2, and left and right front and right front and rear corners are provided. A support frame is configured by connecting the support members 3 with a top plate support frame 14 '. A leg frame 21 is provided at the lower end of these four corner support members 3, and the table 1 is configured by attaching the top plate 2 from above the support frame. A lower plate 25 is provided at the lower end of the leg frame 21, and an adjuster 28 is attached to the lower surface of the lower plate 25 to support the entire table 1.

  The table 1 is mainly manufactured as a desk work table for positions such as company officers, but the application is not particularly limited. Further, although not particularly shown, a cabinet that can store articles or the like can be stored in the left and right lower spaces of the top plate 2.

  As shown in FIG. 2, the corner support member 3 includes an upper surface support plate 6 having a substantially L shape when viewed from the upper surface, and an L in the same direction as the upper surface support plate when viewed from the lower surface of the upper surface support plate 6. A vertical support plate 7 having a letter shape, end support plates 4 and 5 connected to both end portions of the vertical support plate 7, and a fitting projecting outwardly and perpendicular to the surface portions of the end support plates 4 and 5 Protrusions 10 and 11 are formed. The end support plate 4 is formed with a bolt insertion hole 4a that goes straight to the surface portion and through which a connecting bolt described later is inserted. Similarly, the end support plate 5 also has a bolt insertion hole 5a that goes straight to the surface portion. .

  The end face 18 of the front top plate support frame 14 is formed with a female groove 18b into which the fitting groove 18a into which the fitting protrusion 10 of the corner support member 3 can be fitted and the connecting bolt are screwed, and the side faces are adjacent to each other. Similarly to the top plate support frame 14, a fitting groove 18 a ′ and a female screw portion 18 b ′ in which the fitting protrusions 11 can be fitted are formed on the end surface 18 ′ of the top plate support frame 14 ′.

  As will be described later, the upper side of the substantially L-shaped leg frame 21 in a top view has a shape that can be joined to two surfaces of the L-shaped vertical support plate 7 of the corner support member 3. The corner cover 30 includes an L-shaped outer surface portion 31 composed of both front and side wings that cover the vertical support plate 7 and the upper side of the leg frame 21 from the outside.

  Therefore, a more detailed description of the corner support member 3, the top plate support frame 14, and the leg frame 21, and a connection structure for attaching the top plate support frames 14, 14 ′ and the leg frame 21 to the corner support member 3 are specifically described. explain. The top plate support frame 14 ′ is a member having the same cross-sectional shape as the top plate support frame 14 and the connection with the corner support member 3 is substantially the same. In addition, a part of the description is omitted in the following embodiment.

  As shown in FIG. 3, a plurality of concave and convex grooves 6 a in the same direction as the longitudinal direction of the top plate support frame 14 are formed on the front surface side of the upper surface support plate 6 of the corner support member 3. Is formed with a plurality of concave and convex grooves 6a ′ (see FIG. 7) in the same direction as the longitudinal direction of the top support frame 14 ′, and the concave and convex grooves 6a and 6a ′ are connected to each other at intermediate positions to be continuous. It is formed in a substantially L-shaped groove.

  In the upper part of the vertical support plate 7, three screw insertion holes 7c through which screws 13 can be inserted are formed from one L-shaped outer surface 7b to the inner surface 7a, and a corner cover fixing screw can be inserted. A screw insertion hole 7d is formed, and three screw insertion holes 7c 'through which the screw 13' can be inserted are formed from the other outer side surface 7b 'of the L-shape to the inner side surface 7a', and the corner cover is fixed. A screw insertion hole 7d 'into which a screw can be inserted is formed.

  The fitting projection 10 that protrudes from the end support plate 4 is formed with a female screw hole 10a that can be screwed with a fixing screw 43 that is inserted from the rear side toward the front side, and the connecting bolt 41 is connected to the corner support member 3. An insertion hole 4a for a connecting bolt that is inserted from the inside toward the top plate support frame 14 is formed.

  The top plate support frame 14 includes an upper surface portion 15, a rear surface portion 19, a lower surface portion 17, and a front surface portion 20 including a tapered surface portion, and the tapered surface portion is formed with a tapered surface inclined downward from above to below. On the end face 18 side of the top plate support frame 14, a fitting groove 18 a that can be fitted with the fitting projection 10 of the corner support member 3 is formed, and a female screw portion 18 b that can be screwed with the connecting bolt 41 is substantially formed. It is formed at the center. A through hole 19a (see FIG. 4) through which the fixing screw 43 can be inserted is formed in the rear surface portion 19 from the rear surface side toward the front surface side.

  The upper surface portion 15 is provided with an uneven surface 15a formed with a plurality of grooves along the longitudinal direction of the top plate support frame 14, and the front surface portion is similarly formed with an uneven surface 20a formed with a plurality of grooves along the longitudinal direction. Is formed.

  In the upper part of the leg frame 21, from one L-shaped outer surface 23a to the inner surface 22a, three screw holes 23b into which the screws 13 can be screwed are formed at positions where the screw holes 23b can be continued with the screw insertion holes 7c. Further, a screw insertion hole 22b through which a corner cover fixing screw can be inserted is formed, and a screw hole 23b 'into which the screw 13' can be screwed is also formed from the other outer side surface 23a 'of the L-shape to the inner side surface 22a'. In addition to being formed at three places, screw insertion holes 22b ′ into which corner cover fixing screws can be inserted are formed.

  Therefore, the connection of the corner support member 3, the top plate support frame 14, and the leg frame 21 will be described.

  First, the connection between the corner support member 3 and the leg frame 21 will be described. The upper end surface 24 of the leg frame 21 is brought into contact with the lower surface on the inner corner side of the upper surface support plate 6, and the L-shaped one outer surface 23 a of the leg frame 21 and the L-shaped one inner surface 7 a of the vertical support plate 7 are contacted. At the same time, the L-shaped other outer surface 23 a ′ of the leg frame 21 and the L-shaped other inner surface 7 a ′ of the vertical support plate 7 are brought into contact with each other.

  Then, the fixing screw 13 is inserted into the screw insertion hole 7c from the outer surface 7b side of the vertical support plate 7 and screwed into the screw hole 23b of the leg frame 21, and the fixing screw 13 'is similarly screwed from the outer surface 7b' side. The corner support member 3 and the leg frame 21 are connected by being inserted into the insertion hole 7c ′ and screwed into the screw hole 23b ′.

  In this way, the leg frame 21 is joined to the corner support member 3 on two L-shaped surfaces, and the upper end surface 24 of the leg frame 21 is in contact with the lower surface of the upper surface support plate 6, whereby the corner support member 3 of the leg frame 21. Therefore, the support strength of the leg frame 21 can be further increased.

  Next, the connection between the corner support member 3 and the top plate support frame 14 will be described. The fitting bolt 10 is inserted into the fitting groove 18a, and the connecting bolt 41 is inserted into the bolt insertion hole 4a of the end support plate 4 in a state where the end face 18 of the top plate support frame 14 and the end support plate 4 are joined. The top plate support frame 14 and the corner support member 3 are connected by being inserted and extended in the direction of the end surface 18 of the top plate support frame 14 and screwed into a female screw portion 18 b formed on the end surface 18. .

  Further, as shown in FIG. 4, the fixing screw 43 is inserted into the screw insertion hole 19a formed in the rear surface portion 19 of the top plate support frame 14, and the female screw of the fitting protrusion 10 fitted in the fitting groove 18a. By tightening while being screwed into the hole 10a, the top plate support frame 14 and the corner support member 3 are fixed in position, and the mutual connection is reinforced.

  As described above, since the fitting protrusion 10 is fitted into the fitting groove 18a and then screwed together, the connection between the corner support member 3 and the top plate support frame 14 is more reinforced and fixed. Since the screw 43 is inserted from the rear surface side of the top plate support frame 14, the mounting position of the screw is hidden from the outside of the table. The same connection is performed for the top plate support frame 14 '.

  Next, attachment of the corner cover 30 to the corner support member 3 will be described. First, the structure of the corner cover 30 will be described with reference to FIG. 5. The outer surface portion 31 on the top plate support frame 14 side of the corner cover 30 is formed with a tapered surface inclined downward toward the same rear as the top plate support frame 14. The outer surface portion 31 on the top plate support frame 14 ′ side also has a tapered surface inclined downward toward the same rear as the top plate support frame 14 ′.

  A concave / convex surface 31a is formed on the top plate support frame 14 side of the outer surface portion 31 so as to be provided with a groove continuous with the groove of the concave / convex surface 20a of the top plate support frame 14, and also on the top plate support frame 14 ′ side of the outer surface portion 31 An uneven surface 31b provided with a groove continuous with the groove of the uneven surface 20a ′ of the top support frame 14 ′ is formed. Screw receiving portions 32 and 32 ′ having screw holes 32 a and 32 a ′ into which fixing screws 45 and 46 are respectively screwed are formed on the two rear surfaces of the L-shaped corner cover 30.

  Therefore, when attaching the corner cover 30, as shown in FIG. 6, the corner cover 30 is attached while being fitted from the outside so as to close the outside of the corner support member 3, and more specifically, the fixing screw 45 is attached to the leg. By inserting through the screw insertion hole 22b and the screw insertion hole 7d of the vertical support plate 7 from the rear side of the inner side surface 22a of the frame 21, and tightening with screwing into the screw receiving hole 32a of the screw receiving portion 32, The position of the corner cover 30 is fixed.

  Similarly to the fixing screw 45, the fixing screw 46 is inserted from the rear side of the inner side surface 22a ′ of the leg frame 21 through the screw insertion hole 22b ′ and the screw insertion hole 7d ′ of the vertical support plate 7, The corner cover 30 is more firmly fixed in position by being tightened while being screwed into the screw receiving hole 32a ′ of the screw receiving portion 32 ′.

  As shown in FIG. 7, a top support frame 14 is connected to the front side of the corner support member 3, and a top support frame 14 ′ is connected to the side surface of the corner support member 3 to construct a support frame. 3, a leg frame 21 is connected to form a table that supports the top 2. In this embodiment, the description has focused on the front right corner of the table 1 (see FIG. 1). However, all other frame structures in the support frame at the front left corner, the right rear surface, and the left rear corner are shown. Since it is the same structure, description is abbreviate | omitted.

  When the corner support member 3 and the top support frame 14 are connected, the uneven surface 15a of the top support frame 14 and the uneven surface 6a of the corner support member 3 are flush with each other, and the length direction of the top support frame 14 is The grooves provided on the concave / convex surface 15a and the concave / convex surface 6a are connected at the same position.

  Similarly, when the corner support member 3 and the top plate support frame 14 ′ are connected, the uneven surface 15a ′ of the top plate support frame 14 ′ and the uneven surface 6a ′ of the corner support member 3 are flush with each other. The grooves provided in the uneven surface 15a ′ and the uneven surface 6a ′ are connected at the same position along the length direction of the support frame 14 ′.

  Further, in a state where the corner support member 3 and the top plate support frame 14 are connected, the uneven surface 20a of the top plate support frame 14 and the uneven surface 31a of the corner cover 30 are flush with each other, and the length direction of the top plate support frame 14 The grooves provided in the uneven surface 20a and the uneven surface 31a are connected at the same position.

  Similarly, in a state where the corner support member 3 and the top plate support frame 14 ′ are connected, the uneven surface 20 a ′ of the top plate support frame 14 ′ and the uneven surface 31 b of the corner cover 30 are flush with each other, and the top plate support frame 14. The grooves provided in the concave / convex surface 20a 'and the concave / convex surface 31b are connected at the same position along the length direction of'. The concave / convex grooves 6a and the concave / convex grooves 6a 'are connected to each other at an intermediate position, and are formed into continuous L-shaped grooves.

  Next, attachment of the top plate 2 will be described. As shown in FIG. 8, a mounting bracket 47 bent in an L shape is fixed to the rear surface portion 19 of the top plate support frame 14 with screws 51, and the rear surface portion 19 ′ of the top plate support frame 14 ′ is A mounting bracket 48 bent in an L shape is fixed with a screw 50, and mounting holes 47a and 48a are formed in the upper end surfaces of the mounting bracket 47 and the mounting bracket 48, respectively.

  A plurality of mounting holes (not shown) are formed in advance on the lower surface of the top plate 2 at predetermined mounting positions. After the top plate 2 is placed on the upper end surfaces of the mounting bracket 47 and the mounting bracket 48, the screws 49, 50 are attached to the mounting holes 47a, 48a from below at predetermined positions where the mounting holes 47a, 48a and the mounting holes of the top plate overlap. Then, the top plate 2 is attached by screwing it into the respective attachment holes, and the assembly of the table 1 (see FIG. 1) is completed. The number of mounting brackets and the mounting position are appropriately selected depending on the size of the top plate.

  Next, the lower frame 25 and the adjuster 28 attached to the lower part of the leg frame 21 will be described in detail below. As shown in FIG. 9, first, on both L-shaped wings of the leg frame 21, fitting grooves 24 b are formed at three locations on the center and both end sides from the upper end surface 24 to the lower end surface 24 ′ in the vertical direction. Four screw mounting grooves 24a are formed at positions between the fitting grooves 24b from the upper end surface 24 to the lower end surface 24 ′ in the vertical direction. Since the leg frame 21 used in this embodiment is an aluminum drawing material, both the fitting groove and the screw mounting groove are formed over the entire length of the leg frame.

  The lower plate 25 having a quadrilateral view as viewed from above is disposed so that the convex portions 26 extend upward at three corners of the upper surface 25c. These convex portions 26 have shapes that can be fitted into three fitting grooves 24b formed on the leg frame 21 from the lower end surface 24 'side.

  Between the convex portions 26 provided at these three locations, four screw insertion holes 25a through which the screws 25b can be inserted in the vertical direction from the upper surface 25c to the lower surface 25d are formed in accordance with positions where the screws 25b can communicate with the screw mounting grooves 24a. The screw 25b is inserted into the screw insertion hole 25a from the lower surface 25d and screwed into the four screw mounting grooves 24a formed on the lower end surface 24 ′ of the leg frame 21, thereby lower plate 25 is firmly fixed to the leg frame 21.

  At the center position of the upper surface 25c of the lower plate 25 that is the inner angle side of the two side surfaces of the front side inner surface 22a and the side inner side surface 22a 'of the leg frame 21, it extends upward from the upper surface 25c of the lower plate 25. A projecting portion 27 is provided extending from the projecting portion 27 to the lower plate 25, and a female screw portion 27 a continuous in the vertical direction is formed.

  An adjuster 28 is provided below the lower plate 25, a male screw portion 28 a extending upward is provided on the upper portion of the adjuster 28, and a fitting that is recessed downward on the upper surface 28 c of the male screw portion 28. A portion 28b is formed. A closing member 29 is provided above the protruding portion 27 of the lower plate 25, and a male screw portion 29 a extending downward is provided below the closing member 29.

  The male screw portion 28a of the adjuster 28 is screwed into the female screw portion 27a from below the lower surface 25d of the lower plate 25, and the male screw portion 29a of the closing member 29 is female. The screw part 27a is screwed together.

  Therefore, in order to attach the lower plate 25 to the lower end surface 24 ′ of the leg frame 21, first, the convex portion 26 is fitted into the fitting groove 24 b formed in the lower end surface 24 ′. Further, the screw 25b is inserted into the screw insertion hole 25a from below the lower plate 25d and screwed into the screw mounting groove 24a formed in the lower end surface 24 ′, and the lower end surface 24 ′ and the upper surface 25c are firmly brought into contact with each other. Fix it. In addition, as long as the lower plate 25 is not detached from the leg frame 21 by fitting only the convex portion 26 and the fitting groove 24b, simple means without using the screw 25b may be used.

  Since the protrusion 27 to which the adjuster 28 is attached is provided on the lower plate 25 on the inner corner side of the leg frame 21, the protrusion 27 is concealed from the two side surfaces of the front side surface 22 a and the side surface 22 a ′. As a result, the appearance from the outside of the table 1 is improved, and the design of the leg frame 21 is not impaired.

  Next, the attachment of the closing member 29 and the adjuster 28 and the procedure for adjusting the height of the adjuster 28 will be described in detail. As shown in FIG. 10, the male screw portion 28 a of the adjuster 28 is replaced with the female screw of the protruding portion 27. Position adjustment and support are carried out by screwing into the part 27a.

  Then, the tip of the tool 33 (for example, a hexagon wrench) is inserted from above the protrusion 27 and fitted into the fitting portion 28b of the adjuster 28, and then the male screw portion 27a of the adjuster 28 is rotated by the operation of the tool 33. By adjusting the height of the lower plate 25, the height of the leg frame 21 is adjusted, and the balance between the entire table 1 and the floor surface 34 is adjusted.

  Thus, even when the adjuster is attached to the lower portion of the lower frame, the height of the table can be adjusted by inserting the tip of the tool 33 into the fitting portion 28b of the adjuster 28 from above the protrusion 27. 1 can be easily adjusted to a desired height, so that it is not necessary to lift the leg frame 21 and adjust the height of the adjuster 28 as in the prior art, and the labor of the operator can be reduced.

  After completion of the height adjustment, the tool 33 is removed from the fitting portion 28b, and the male screw portion 29a of the closing member 29 is screwed from above the female screw portion 27a of the projection portion 27, whereby the closing member 29 is attached. Do.

  In this way, the male screw portion 29a of the closing member 29 is screwed using the female screw portion 27a formed on the protruding portion 27, so that the closing member 29 is attached to the upper surface of the protruding portion 27, and from the outside. This prevents dust and the like from entering the female screw portion 27a.

  In addition, regarding the positional relationship of the attachment of the leg frame 21 and the lower plate 25, two side surfaces on the peripheral surface of the lower plate 25 are different from the outer side surface 23a on the front surface of the leg frame 21 when the leg frame 21 and the lower plate 25 are attached. It is substantially flush with the two side surfaces of the side outer surface 23a '. Therefore, since the joint where the leg frame 21 and the lower plate 25 are in contact with each other can be made inconspicuous, the appearance of the table 1 from the outside is improved.

  From the above description, in the table 1 of this embodiment to which the leg structure according to the present invention is applied, the lower plate is fitted to the lower end surface of the leg frame by fitting the convex portion of the lower plate into the fitting groove of the leg frame. Since the lower plate increases the contact area with the floor surface of the leg frame that supports the table, the stability of the table 1 can be enhanced, and the leg frame having a substantially L-shape when viewed from above. There is no loss of 21 novelty and design.

  Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. For example, in the above embodiment, when the lower plate 25 is mounted, the leg plate 21 fitting groove 24b and the screw mounting groove 24a are formed as a groove that penetrates in the vertical direction, but the present invention is limited to this. Instead, it is only necessary to form a groove in which the convex portion 26 of the lower plate 25 can be fitted or a screw 25b can be screwed into at least a part of the lower end surface 24 ′ of the leg plate 21.

  Moreover, in the said Example, although the tool 33 is fitted to the fitting part 28b of the adjuster 28 and height adjustment is performed, this invention is not limited to this, The external thread part of the closure member 29 A protrusion that fits into the fitting portion 28b may be provided at the lower end of 29a, and the height of the adjuster 28 may be adjusted by rotating the closing member 29 around the vertical axis.

It is a perspective view which shows the whole image of the frame structure of the support frame body of the table in the Example of this invention. It is a disassembled perspective view which shows the whole frame structure of the support frame body of a table. It is a figure which shows the disassembled assembly perspective view of the corner support member which comprises the support frame body of a table, a front top plate support frame, and a leg frame. It is sectional drawing which shows the connection of the fitting protrusion of a corner support member, and a top-plate support frame. It is a figure which shows the exploded assembly perspective view which attaches a corner cover to the corner support member which comprises a part of support frame body of a table. It is sectional drawing which shows the connection of a corner support member and a corner cover. FIG. 5 is an assembled perspective view of a support frame body in which front and side top plate support frames, corner support members, leg frames, and a corner cover are connected. It is a perspective view of the table which shows the state which attached the top plate to the support frame. It is a disassembled perspective view which shows the structure of the lower end part of a leg frame. It is sectional drawing of the AA line of FIG.

Explanation of symbols

1 Table 2 Top plate 3 Corner support member (part of support frame)
4 End support plate 4a Bolt insertion hole 5 End support plate 5a Bolt insertion hole 6 Upper surface support plate 6a, 6a 'Uneven surface 7 Vertical support plate 7a, 7a' Front side inner surface, side inner side surface 7b, 7b 'front Outer side surface, outer side surface 7c, 7c 'screw insertion hole 7d, 7d' screw insertion hole 7e, 7e 'side end 10 fitting projection 10a female screw hole 11 fitting projection 13, 13' fixing screw 14 Top plate support frame (part of support frame)
14 'Side plate support frame (part of support frame)
15 Upper surface portion 15a Uneven surface 17 Lower surface portion 18, 18 'End surface 18a, 18a' Fitting groove 18b, 18b 'Female thread portion 19 Rear surface portion 19a Screw insertion hole (through hole)
20, 20 ′ front surface portion 20a, 20a ′ uneven surface 21 leg frame (part of support frame)
22a, 22a 'front inner surface, side inner surface 22b, 22b' screw insertion holes 23a, 23a 'front outer surface, side outer surface 23b, 23b' screw hole 24 upper end surface 24 'lower end surface 24a screw mounting groove 24b Fitting groove 25 Lower plate 25a Screw insertion hole 25b Screw 25c Upper surface 25d Lower surface 26 Convex portion 27 Projection portion 27a Female screw portion 28 Adjuster 28a Male screw portion 28b Fitting portion 28c Upper surface 29 Closure member 29a Male screw portion 31 External surface portion 31a Uneven surface (front plate support frame side)
31b Uneven surface (side plate support frame side)
32, 32 'Screw receiving portion 32a, 32a' Screw hole 33 Height adjustment tool 34 Floor 41 Connection bolt 43 Fixing screw (Fixing protrusion position fixing)
45, 46 Fixing screw (Corner cover position fixing)
47 Mounting bracket 47a Mounting hole 48 Mounting bracket 48a Mounting hole 49, 50 Screw 51, 52 Screw

Claims (6)

  A leg frame structure of a table having a top plate attached to an upper part of the leg frame, the leg frame being substantially L-shaped when viewed from above and extending in the vertical direction, and having a fitting groove formed at the lower end surfaces of both L-shaped blades. The lower plate abutting on the lower end surface of the leg frame is provided with a convex portion that fits into the fitting groove, and the convex portion provided on the lower plate is fitted into the fitting groove. Leg structure.   A screw mounting groove is provided on the lower surface of both L-shaped wings of the leg frame, a screw insertion hole communicating with the screw mounting groove is provided in the lower plate, and a screw is inserted into the screw insertion hole from below the lower plate, The table leg structure according to claim 1, wherein the table leg structure is screwed into the screw mounting groove.   The leg structure of the table according to claim 1 or 2, wherein two side surfaces of the peripheral surface of the lower plate are substantially flush with an outer surface of the leg frame.   The lower plate is provided on the inner corner side of the leg frame, a protruding portion extending upward from the upper surface of the lower plate is extended, and a female screw portion continuous from the lower surface of the lower plate is formed in the protruding portion. The table leg structure according to any one of claims 1 to 3, wherein a male screw portion formed on the adjuster is screwed into the screw portion.   The table leg structure according to claim 4, wherein the female screw portion is provided so as to penetrate above the protruding portion, and a fitting portion into which a tool can be fitted is provided on an upper surface of the male screw portion of the adjuster.   The table leg structure according to claim 5, wherein a closing member having a male screw portion formed at a lower portion is provided, and the male screw portion of the closing member is screwed onto the female screw portion of the protrusion from above.

Images