JP4386714B2 - Table frame structure - Google Patents

Description

  In the present invention, a support frame body is configured by connecting side end portions of a corner support member to both ends of a top support frame, a leg frame is provided below the corner support member of the support frame body, and the support frame body is The present invention relates to a frame structure of a table in which a top plate is attached to the upper portion of the support frame.

  A conventional support frame body that supports the top plate of the table includes four corner support members and four top plate support frames. The corner support member is provided with fitting projections having screw holes formed at both end portions thereof, and the lower surface portion is provided with fitting projections extending downward, and screw insertion holes penetrating vertically are formed. A fitting groove is formed on the end surface portion side of the top plate support frame so that the fitting protrusions on both end portions of the corner support member can be fitted, and the upper end surface side of the leg frame is a fitting extending downward from the lower surface portion. A fitting groove and a screw part are formed into which the protrusion can be fitted.

  And the connection of the adjacent top plate support frames is formed on the lower surface portion of the top plate support frame after fitting the fitting protrusions at both end portions of the corner support member into the fitting grooves of the top plate support frame. Screws are inserted into the through holes and fixed to the corner support members by screwing into the screw holes of the mating protrusions to create a support frame that is a rectangular structure as a whole, and also to support the leg frame To connect with the frame, the fitting protrusion extending downward from the bottom surface of the corner support member is fitted into the fitting groove on the upper end of the leg frame, and the tightening bolt is inserted into the screw insertion hole on the bottom surface of the corner support member. The upper end portion of the leg frame is fixed to the corner support member and is coupled to the support frame body (see Patent Document 1).

Japanese Utility Model Publication No. 5-39331 (FIG. 1)

  However, in Patent Document 1, the connection between the corner support member and the top plate support frame is a fixing means by screwing between a screw and a screw hole formed in the fitting protrusion due to structural limitations of the corner support member. However, there is no means for directly tightening and joining both end portions of the corner support member and the end surface of the top plate support frame. For the connection of the leg frame, the lower surface portion of the corner support member and the leg frame are not connected. The upper end portion is only tightened with a single tightening bolt in the vertical direction, and the connection strength of the support frame and the support strength of the leg frame may be reduced by long-term use.

  The present invention has been made paying attention to such problems, and by connecting the end surface of the top support frame directly to the side end of the corner support member via bolts, the connection strength of the support frame body is achieved. An object of the present invention is to provide a table frame structure in which the support strength can be maintained by bringing the leg frame into contact with the two surfaces of the corner support member and connecting them.

In order to solve the above-mentioned problem, a frame structure of a table according to claim 1 of the present invention comprises a support frame body by connecting side end portions of corner support members to both ends of a top plate support frame, and the corner A frame structure of a table in which a leg frame is provided below a support member to support the support frame body, and a top plate is attached to an upper part of the support frame body,
The corner support member includes a substantially L-shaped upper surface support plate as viewed from above, an L-shaped vertical support plate extending downward from the lower surface of the upper surface support plate and oriented in the same direction as the upper surface support plate as viewed from above. An end support plate connected to both end portions of the upper end of the leg support plate, and a fitting projection projecting outwardly and perpendicular to the surface portion of the end support plate. Joining to the L-shaped surface of the support plate, providing fitting grooves and female screw portions for fitting the fitting projections on both end faces of the top plate support frame, fitting the fitting projections with the fitting grooves, And a top plate support frame adjacent to the both end support plates by screwing bolts that pass through the through holes provided in the end support plates from the opposite side of the fitting projections of the end support plates to the female screw portions. And attach a corner cover to the corner support member that covers the upper side of the leg frame from the outside. It is characterized in.
According to this feature, the top plate support frame is directly connected to the corner support member by both the connection by the fitting protrusion and the fitting groove and the screw connection between the end faces by the bolt. A high and strong support frame can be constructed, and the connection strength of the support frame is maintained even after long-term use. On the other hand, the upper side of the leg frame extends to the two L-shaped surfaces of the vertical support plate extending below the corner support members. By bonding, the support strength can be increased. In addition, the corner cover can not only hide the bolt connection from the outside, but also has a reinforcing effect on the strength of the corner support member.

The frame structure of the table according to claim 2 of the present invention is the frame structure of the table according to claim 1, wherein the upper end surface of the leg frame is brought into contact with the lower surface of the upper surface support plate of the corner support member. It is characterized by that.
According to this feature, by bringing the lower surface of the upper surface support plate into contact with the upper end surface of the leg frame, the contact support surface with respect to the corner support member of the leg frame is increased, and the support strength of the leg frame can be further increased. .

The frame structure of the table according to claim 3 of the present invention is the frame structure of the table according to claim 1 or 2, wherein the fitting protrusion is provided with a female screw hole, and the fitting groove of the top plate support frame is provided. A screw is inserted from the rear surface side of the top plate support frame in a state in which the fitting projection is fitted to the female screw hole and screwed to the female screw hole.
According to this feature, since the fitting protrusion is fitted into the fitting groove and screwed together, the connection between the corner support member and the top plate support frame is further reinforced, and the screw is fastened to the top. Since it is inserted from the rear side of the plate support frame, the mounting position of the screw is hidden from the outside of the table.

A table frame structure according to a fourth aspect of the present invention is the table frame structure according to any one of the first to third aspects, wherein the corner cover is formed from an inner angle side of the leg frame to an upper portion of the leg frame. And a screw inserted through a through hole provided in the vertical support plate.
According to this feature, the mounting position of the screw that joins the corner cover and the corner support member is formed on the rear surface side of the corner support member, so that it cannot be seen from the outside of the table.

A table frame structure according to a fifth aspect of the present invention is the table frame structure according to any one of the first to fourth aspects, wherein an upper surface portion of the top plate support frame and an upper surface portion of the corner support member are provided. It is characterized by being flush.
According to this feature, since the upper surface portion of the top plate support frame and the upper surface portion of the corner support member are flush with each other, there is no possibility of causing any trouble in placing the top plate, and the corner support member and the top plate Since the joint of the upper surface portion of the support frame can be made inconspicuous, for example, when the top plate is a glass table, the appearance from above the table is good.

A table frame structure according to a sixth aspect of the present invention is the table frame structure according to any one of the first to fifth aspects, wherein the corner cover is substantially L-shaped when viewed from above, and the L-shaped One surface formed is flush with the front surface portion of one of the adjacent top plate support frames, and the other surface forming the L shape is flush with the front surface portion of the other top plate support frame.
According to this feature, since the front surfaces of the adjacent top plate support frames are flush with the respective surfaces of the L-shaped corner cover, the joint between the corner support member and the front surface of the top plate support frame is not conspicuous. The appearance from the front of the table is good.

A table frame structure according to a seventh aspect of the present invention is the table frame structure according to any one of the first to sixth aspects, wherein an upper surface portion of the top plate support frame extends along a longitudinal direction thereof. An uneven surface having a plurality of grooves is formed, an uneven surface having a plurality of grooves is also formed on the upper surface of the corner support member, and the grooves on all the uneven surfaces of the top plate support frame and the corner support member are continuous. It is characterized by that.
According to this feature, the uneven surface having a plurality of grooves along the longitudinal direction can make the joint between the corner support member and the top surface of the top plate support frame as inconspicuous as possible, and the appearance from the outside of the table can be reduced. Good and excellent design.

The frame structure of the table according to claim 8 of the present invention is the frame structure of the table according to claim 6 or 7, wherein a plurality of grooves along the longitudinal direction are formed in the front surface portion of the top plate support frame. Convex / concave surfaces having a plurality of grooves are formed on the two surfaces of the L-shaped corner cover, and the concave / convex surfaces of the top plate support frame and corner cover are continuous. It is characterized by.
According to this feature, the uneven surface having a plurality of grooves along the longitudinal direction can make the joint between the corner support member and the front surface of the top plate support frame as inconspicuous as possible, and the appearance from the front of the table can be reduced. Good and excellent design.

A table frame structure according to a ninth aspect of the present invention is the table frame structure according to any one of the sixth to eighth aspects, wherein a front surface portion of the top plate support frame is directed rearward from the upper side to the lower side. It is composed of a receding tapered surface portion, and one surface of the L-shaped corner cover is composed of the same tapered surface portion as the tapered surface portion of one of the adjacent top plate support frames, and the other surface forming the L shape is the other top surface. It is characterized by comprising the same taper surface portion as the taper surface portion of the plate support frame.
According to this feature, the front part of the top plate support frame and the two L-shaped surfaces of the corner cover are formed by the same tapered surface part, so the novelty that is not found in a normal table and the design that attracts the surrounding line of sight There is.

  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 It is a perspective view of the table shown.

  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, which will be 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 grooves of the concave / convex surface 20a of the top plate support frame 14. 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 ′.

  Thus, by attaching the corner cover 30, the fixing screws 13, 13 ′ and the connecting bolt 41 can be hidden from view from the outside, and the corner support member 3 can be reinforced in strength.

  In addition, the mounting positions of the fixing screws 45 and 46 that connect the corner cover 30 and the corner support member 3 are on the inner side surfaces 22 a and 22 a ′ side of the leg frame 21, so that they cannot be seen from the outside of the table 1. (See Figs. 1 and 8)

  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 ′.

  Thus, since the upper surfaces of the corner support member 3 and the top plate support frames 14 and 14 'are flush with each other, there is no possibility of causing any trouble in placing the top plate 2; Since the joints on the upper surfaces of the plate support frames 14 and 14 'can be made inconspicuous, for example, even when the top plate 2 is a transparent glass table, the appearance from above the table 1 is good.

  Moreover, the joints between the corner support member 3 and the top plate support frames 14 and 14 'can be made inconspicuous as much as possible by the concave and convex surfaces 6a, 15a and 15a' having a plurality of grooves, and the appearance from the outside of the table 1 can be reduced. Good and excellent design.

  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.

  As described above, the concave and convex surfaces 20a and 31a having a plurality of grooves along the longitudinal direction are flush with each other, and the concave and convex surfaces 20a 'and 31b are flush with each other, so that the corner support member 3 and the top plate support frame 14 The joint of the taper surface and the joint of the taper surface of the corner support member 3 and the top plate support frame 14 'can be made as inconspicuous as possible, and the appearance from the front and side surfaces of the table 1 is good and the design is excellent. .

  Moreover, the front surfaces of the corner cover 30 and the top plate support frames 14 and 14 'are formed by the same tapered surface inclined from the front surface toward the rear surface, and the concave and convex grooves 31a, 31b, 20a and 20a' are all continuous. Therefore, there is a novelty that is not in a normal table and a design that attracts the surrounding line of sight.

  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.

  In the table 1 of the present embodiment to which the frame structure according to the present invention is applied, the top plate support frames 14 and 14 'are formed by the fitting protrusions 10 and 11 and the fitting grooves 18a and 18a' with respect to the corner support member 3. Since the connection and the screw connection between the end faces by the connection bolt 41 are directly connected, a strong support frame with high connection strength can be constructed, and the connection strength of the support frame can be maintained even after long-term use. By joining the upper side of the leg frame 21 to the two L-shaped surfaces of the vertical support plate 7 extending below the corner support member 3, the support strength can be increased. In addition, the corner cover 30 not only can hide the bolt connection from the outside, but also has a reinforcing effect on the strength of the corner support member 3.

  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, the corner support member 3 and the top plate support frame 14 may be firmly connected using not only one connection bolt 41 but also a plurality of connection bolts.

  In the above-described embodiment, the corner cover 30 is firmly attached by attaching the fixing screws 45 and 46. However, the present invention is not limited to screw fixing, and the corner cover 30 has a peripheral edge. A fitting projection piece may be provided on a part of the fitting for fixing.

  Furthermore, in the said Example, although the four top-plate support frames are connected and the support frame body is comprised, the number of top-plate support frames should just be three or more, and the number is not specifically limited.

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

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 28 Adjuster 30 Corner cover 31 Outer surface 31a Uneven surface (front plate support frame side on the front)
31b Uneven surface (side plate support frame side)
32, 32 'Screw receiving portion 32a, 32a' Screw hole 41 Connection bolt 43 Fixing screw (Fixing projection 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 (9)

A side frame of the corner support member is connected to both ends of the top plate support frame to form a support frame body, a leg frame is provided below the corner support member to support the support frame body, and the support frame body A table frame structure with a top plate attached to the top,
The corner support member includes a substantially L-shaped upper surface support plate as viewed from above, an L-shaped vertical support plate extending downward from the lower surface of the upper surface support plate and oriented in the same direction as the upper surface support plate as viewed from above. An end support plate connected to both end portions of the upper end of the leg support plate, and a fitting projection projecting outwardly and perpendicular to the surface portion of the end support plate. Joining to the L-shaped surface of the support plate, providing fitting grooves and female screw portions for fitting the fitting projections on both end faces of the top plate support frame, fitting the fitting projections with the fitting grooves, And a top plate support frame adjacent to the both end support plates by screwing bolts that pass through the through holes provided in the end support plates from the opposite side of the fitting projections of the end support plates to the female screw portions. And attach a corner cover to the corner support member that covers the upper side of the leg frame from the outside. Frame structure of the table according to claim.   The table frame structure according to claim 1, wherein an upper end surface of the leg frame is brought into contact with a lower surface of an upper surface support plate of the corner support member.   A female screw hole is provided in the fitting protrusion, and a screw is inserted from the rear surface side of the top plate support frame in a state where the fitting protrusion is fitted in the fitting groove of the top plate support frame. The frame structure of the table according to claim 1 or 2.   The frame structure of the table according to any one of claims 1 to 3, wherein the corner cover is screwed by a screw that passes through an upper portion of the leg frame and a through hole provided in the vertical support plate from an inner corner side of the leg frame.   The table frame structure according to claim 1, wherein an upper surface portion of the top plate support frame and an upper surface portion of the corner support member are flush with each other.   The corner cover is substantially L-shaped when viewed from above, and one of the L-shaped surfaces is flush with the front surface of one of the adjacent top plate support frames, and the other L-shaped surface is the other top plate. The table frame structure according to any one of claims 1 to 5, wherein the table frame structure is flush with a front surface portion of the support frame.   An uneven surface having a plurality of grooves along the longitudinal direction is formed on the upper surface portion of the top plate support frame, and an uneven surface having a plurality of grooves is also formed on the upper surface portion of the corner support member. The frame structure of the table according to any one of claims 1 to 6, wherein grooves on all of the uneven surfaces of the corner support member are continuous.   An uneven surface having a plurality of grooves along the longitudinal direction is formed on the front surface portion of the top plate support frame, and an uneven surface having a plurality of grooves is also formed on two surfaces of the L-shaped corner cover. The frame structure of the table according to claim 6 and 7, wherein the grooves of all the uneven surfaces of the plate support frame and the corner cover are continuous.   A front surface portion of the top plate support frame is formed of a tapered surface portion that is retreated backward from the top to the bottom, and one surface of the L-shaped corner cover is the same taper as the taper surface portion of one adjacent top plate support frame. The table frame structure according to any one of claims 6 to 8, wherein the other surface formed of a surface portion and having an L shape is formed of the same tapered surface portion as the tapered surface portion of the other top plate support frame.

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