JPH0928463A - Leg block joining system for table - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the leg block joining system of a table for easily performing manufacture, inventory keeping, transportation and assembly. SOLUTION: This system is constituted of four each of assemblies 1 which are cylindrical bodies, legs 14 which are the cylindrical bodies and connection beams 19 whose cross-sectional shape is approximately C type steel-like body, the respective legs 14 are arranged at prescribed positions, the beams 19 to be connected are arranged among them and they are integrally connected by bolts 12 and 13, etc., inserted inside the respective assemblies 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint system for a leg block including a table leg and a beam (cross beam) connecting the same, and more particularly, to an ordinary table, a dining table, a teaching table, a gantry, a work table, and the like. The present invention relates to the leg block joining system which can be applied to various tables such as, and is convenient for manufacturing, stocking, transportation and assembly.

[0002]

2. Description of the Related Art In a conventional table such as a special table, a dining table, a gantry, a work table, etc., a table leg and a table leg connecting rod are often fixed. If it is made of metal, it will be welded, and if it is made of wood, it will be nailed or bolted.
It is this type of product that has been commercialized and widely used. An improved assembly type table that can be assembled with bolts has already been developed. However, if a user purchases such a table, a sales clerk will carry the table to the user's house and assemble the table at the user's house, which is a cumbersome task. In addition, this kind of assembling type table does not have four legs and is supported by a plurality of extraction stacks. Or 4
It is designed to be supported by a flat support plate instead of the book table legs. Therefore, such a table has no strong supporting force, cannot be applied to a metal table, and must be assembled by a skilled person.

It is an object of the present invention to overcome the above disadvantages of the prior art.

That is, an object of the present invention is to provide a leg block joining system for a table which is easy to manufacture, store, transport and assemble, has a strong assembled state, and can be assembled by an unskilled person. To provide.

[0005] The inventor of the present invention has been the result of many years of research and experiment,
The device of the present invention has been developed.

[0006]

According to the present invention, there is provided a table leg block joining system according to the present invention.
Each of the four is composed of an assembly, a leg, and a connecting beam.

The assembly is a cylindrical body defined by at least a pair of side walls having a wall facing each other, a flange formed on an outer periphery of an upper edge of the assembly, and a longitudinally extending side wall. A plurality of projecting ribs formed to be spaced apart from each other in the width direction; First and second communication passages which are opened on the respective side surfaces and are arranged to cross each other in a cross shape; and, in a lower portion of the assembly, both bolt passages and both tool passages which are respectively opposed to and aligned with the bolt passages. Third and fourth communication passages which are formed on the side surfaces of the assembly facing each other and which are arranged to cross each other in the same direction as the first and second communication passages, and the bolt passages; In addition, the bolt head is And a respective bolt inserted so as to be located on the side.

The leg is a cylindrical body defined by four circumferential side walls for slidingly inserting the assembly, and the leg is aligned with the tool passage and the bolt passage on each side wall with the assembly inserted. It has each tool hole and bolt hole.

The connecting beam is substantially C-shaped in cross section, and is opened at an end face of a vertically bent portion along the longitudinal direction of the beam, aligned with the bolt holes, and screwed in the bolts. Screw holes connecting the legs to each other.

[0010] Preferably, in the assembly, another pair of opposing side surfaces excluding the walled side surface is cut out leaving upper and lower portions of the assembly.

Preferably, the first to fourth communication passages include:
A tubular portion is formed from the material integrally with the assembly.

[0012]

BRIEF DESCRIPTION OF THE DRAWINGS The above objects and other advantages of the present invention will be described below with reference to the accompanying drawings and preferred embodiments.

1 to 5, an assembly 1 is made of a synthetic resin, and has opposite side surfaces having walls 3 and 3 'facing each other.
It is a cylindrical body defined by another opposite side surface cut out while leaving the upper and lower portions, and four of them are prepared. The assembly 1 includes a flange 2 on the outer periphery of an upper edge, and ribs 4, 4 ', 5, 5', which extend in the longitudinal direction on each of the side surfaces and are separated from each other in the width direction, and serve as reinforcement and sliding guide. 6,
6 ', 7, 7'. Bolt passages 8, 8 ', 10, 1 open at both ends in the upper and lower portions in the assembly 1.
0 ', tool paths 9, 9', 11, 11 'open at both ends
Is formed integrally with the assembly 1 into a tubular portion from the material. More specifically, two upper and lower communication passages in which the bolt passages 8, 8 'and the tool passages 9, 9' are aligned and communicated with each other, and a bolt passage 10 , 10 '
And two tool passages 11 and 11 'are aligned and communicated with each other, and two communication passages in the upper and lower portions are arranged to cross each other in the upper and lower portions. Bolts 12, 12 ', 13, 13' are inserted into the bolt passages 8, 8 ', 10, 10' with the bolt head facing the tool passages 9, 9 ', 11, 11'.

The legs 14 are made of metal and are cylindrical bodies defined by four side walls into which the assembly 1 is slidably inserted, and four of them are prepared. The bolt passages 8, 8 ', 10, 10' of the assembly 1 and the tool passages 9, 9 ', 11, 1
1 ', tool holes 15, 15' (not shown, the same applies hereinafter), 16, 16 ', bolt holes 17, 17', 18, 1
8 'is formed. The connecting beam 19 is made of a metal or a synthetic resin, has a substantially C-shaped steel cross section, and four of them are prepared. The connecting beam 19 has bolt holes 17, 1 in the leg 14 opening at the end face of the vertically bent portion along the length direction.
Screw holes 20, 20'21 aligned with 7 ', 18, 18',
21 'is formed.

The diameters of the bolt passages 8, 8 ', 10, 10' are set large so that the heads of the bolts 12, 12 ', 13, 13' can be inserted. On the other hand, the tool path 9,
The diameters of 9 ', 11, 11' are set small so that only tools can be inserted. That is, the tool passage has a width that allows only the shaft of the bolt to be inserted.

The leg 14 is prepared by cutting a long object into an appropriate length.

The tool passage and the bolt passage of the assembly 1 are
The assembly 1 is slid from above the leg 14 into the bolt hole 4 so as to be aligned with the tool hole 4. Thus, the aggregate 1
4 and 5 are brought into sliding contact with the inner wall surface of the leg 14 to obtain the state shown in FIGS. More specifically, each bolt passage 8, 8 ', 10, 10' of the assembly 1 is
7, 17 ', 18, 18', the tool passages 9, 9 ', 11, 11' of the assembly 1
Align with 5 ', 16, 16'. That is, when the flange 2 of the assembly 1 and the upper edge of the leg 14 are brought into abutment, these passages and holes are automatically aligned. Each bolt 12,1
2 ′, 13,13 ′ through bolt passages 8,8 ′, 10,1
0 ', but at the time of bolt insertion, in the direction opposite to the head of the bolt, that is, toward the tool passages 9, 9', 11, 11 '. Since the bolt has a cross-shaped driving recess or a hexagonal driving recess, an ordinary screw driver or an Allen wrench can be used.

When the assembly 1 is inserted into the leg 14, the bolt screw holes 20, 20 ', 20 ", 20", 21,
21 ′, 21 ″ are the bolt holes 17, 17 ′, 1 of the leg 14.
Align with 8, 18 '.

Next, as shown in FIGS. 3, 4 and 5, the tool holes 15, 15 ', 16, 16' and the tool passages 9, 9 'are formed.
Insert the tool 25 into the 11 and 11 '
Tighten the bolts by engaging a screwdriver or Allen wrench in the T-shaped or hexagonal recesses in the 2 ', 13, 13' heads. Bolts 12,1
The shafts of 2 ', 13, 13' are bolt holes 17, 17'1
8 and 18 ′, and screwed into bolt screw holes 20, 20 ′, 21, 21 ′ and 21 ″ of each connecting beam 19.

After assembling each connecting beam 19 with each leg 14, a top plate (not shown) is attached to the assembly, and bolts are screwed into the top plate attachment screw holes 22, 22 ", 23, and 23 'to assemble the table. Complete.

When the table is manufactured and sold, the four legs 14, the four connecting beams 19 each incorporating the assembly 1 and the one table top plate are packaged as one set. I do. Therefore, this package is convenient for loading, storage and transportation since it is not bulky. If the user purchases a table, the user can assemble the table at home using only one tool, especially for non-dexterous people.

[0022]

As described above, the assembly type table of the present invention can be packaged in a small size, so that it is convenient for domestic shipment and export. Moreover, since it is not bulky, it is convenient for packing, loading, and transporting, and even an unskilled person can easily assemble a table, and disassembling can be easily performed only by removing a bolt. The present invention
It can be applied not only to ordinary tables, but also to all kinds of office and home equipment that require leg support, such as dining tables, teaching tables, and work tables. Furthermore, the present invention is lightweight and robust because the assembly and the legs are formed in a tubular body and the connecting beam is formed in a C-shaped steel body.

[Brief description of drawings]

FIG. 1 is a perspective view of an assembly of the present invention.

FIG. 2 is a perspective view of the aggregate of the present invention viewed from another side in a state where the aggregate is combined with a leg.

FIG. 3 is a perspective view of a leg and a connecting beam coupled according to the present invention.

FIG. 4 is a horizontal sectional view of the assembly of the present invention.

FIG. 5 is a partial sectional view of the assembly of the present invention.

[Explanation of Codes] 1 Assembly 2 Flange 3,3 'Wall 4,4', 5,5 ', 6,6', 7,7 'Rib 8,8', 10,10 'Bolt passage 9,9' , 11, 11 'Tool passage 14 Legs 15, 16, 16' Tool hole 17, 17 ', 18, 18' Bolt hole 19 Connecting beam 20, 20 ', 21, 21' Screw hole

Claims (3)

[Claims] 1. A system for joining leg blocks of a table, comprising four aggregates each, a leg and a connecting beam, wherein said aggregate is defined by at least a pair of opposed walled side walls. A flange formed on an outer periphery of an upper edge of the assembly, a protruding rib extending in a longitudinal direction of the two walls and formed to be spaced apart from each other in a width direction. First and second communication passages each comprising a bolt passage and two tool passages respectively opposed to and aligned with the both bolt passages, the first and second communication passages being opened at respective side surfaces of the assembly facing each other and arranged to cross each other. And a lower part of the assembly, comprising two bolt passages and two tool passages respectively opposed to and aligned with the two bolt passages, the first and second openings being opened on respective side surfaces of the assembly facing each other. Cross-shaped each other in the same direction as the communication passage Third and fourth communication passages arranged in an intersecting manner, and respective bolts inserted into the respective bolt passages such that a bolt head is located on the respective tool passage side; and the legs slide the assembly. A cylindrical body defined by four circumferential side walls to be dynamically inserted, wherein each of the side walls has a tool hole and a bolt hole aligned with the tool passage and the bolt passage in a state where the assembly is inserted; The connecting beam is substantially C-shaped in cross section, and is opened at an end face of a vertically bent portion along the longitudinal direction of the beam, aligned with each of the bolt holes, and screwed into each of the bolts to form each of the legs. The leg block joining system, wherein each of the leg blocks has a screw hole that connects the leg blocks to each other. 2. The leg block joining system according to claim 1, wherein the other side face of the assembly other than the walled side face is cut out except for upper and lower portions of the assembly. 3. The leg block joining system according to claim 1, wherein said first to fourth communication passages are formed integrally with said assembly from said material into a tubular portion.