JP2004208738A - Table chair - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a table chair, adjusted in its seat height according to the size of a child and collapsed in a compact manner to be convenient for storing and carrying. <P>SOLUTION: This table chair is composed of a seat support frame 2 on which a seat 7 is supported and a support part 5 connected to the seat support frame 2 to be mounted on a table or the like. The support part 5 is provided with a height adjusting means for adjusting the height of the seat 7. A pair of support parts 5 are turned backward from the outside and then turned inward to be collapsed. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
TECHNICAL FIELD The present invention relates to a table chair detachably attached to a table or the like and used as an infant chair.
[0002]
[Prior art]
This type of table chair is cut at about the center of the arm bending portion of the frame body and bisected, and the bisected end is connected by a hinge provided with a stopper so that it can be folded only to one side, and this hinge is connected. In some cases, the frame is folded horizontally around the center of the frame so that the entire baby chair is housed in about half the inner surface of the frame body (for example, see Patent Document 1).
[0003]
[Patent Document 1]
Japanese Utility Model Application Laid-Open No. 5-84251 (pages 1 to 2, FIGS. 1 and 2)
[0004]
[Problems to be solved by the invention]
In such a baby chair as described above, the main body frame can be folded in the horizontal axis direction around the hinge, so that the size can be reduced to about half in the width direction. The arm and lower arm remain intact, making them elongated even when folded, making them inconvenient to store and carry when not in use.
Further, in the conventional table chair, since the height relationship between the table and the like and the seat is always constant, the table and the like may be located above or below the arm of the infant depending on the size of the infant sitting on the seat. There was a problem that it was not easy to use.
[0005]
SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has as its object to provide a table and chair capable of adjusting the height of a seat according to the size of an infant.
Another object of the present invention is to provide a table and chair that can be folded more compactly and that is easy to store and carry.
[0006]
[Means for Solving the Problems]
(1) A table chair according to the present invention includes a seat support frame on which a seat is supported, and a support portion connected to the seat support frame and mounted on a table or the like. Is provided with height adjusting means for adjusting.
[0007]
(2) The table chair according to the present invention has a substantially U-shaped seat support frame on which a seat is supported, an L-shaped connecting arm mounted on both ends of the seat support frame, and both ends facing upward. It has bent first and second bent portions, and the first bent portion is provided on the substantially U-shaped lower frame connected to the connecting arm and the first bent portion. A height that adjusts the height of the seat between the connecting arm and the first bent portion of the lower frame connected to the connecting arm. An adjusting means is provided.
[0008]
(3) In the table chair according to the present invention, the height adjustment means may include a push button provided in the connection arm and protruding from the connection arm by a biasing means, and a first portion of the support portion fitted to the connection arm. And a plurality of locking holes which are provided in the vertical direction of the bent portion and selectively locked by the push button.
[0009]
(4) The table chair according to (2), wherein the height adjusting means has a push button provided in the connecting arm and protruding from the connecting arm by a biasing means, and two insertion holes arranged in parallel. A connection member having a spectacle-shaped cross section, wherein the first bent portion of the support portion is inserted and fixed in one insertion hole of the connection member, and the connection arm is inserted through the other insertion hole. The push button is selectively locked in a plurality of locking holes provided in the other insertion hole.
[0010]
(5) The table chair according to (2), wherein the height adjusting means includes a screw hole provided in the first bent portion of the support portion, and a plurality of screw insertion holes provided in the up-down direction of the connecting arm. And a set screw is selectively inserted into the plurality of screw insertion holes and screwed into the screw holes of the first bent portion.
[0011]
(6) In the table chair according to (5), instead of the connection arm, both ends of the seat support frame are bent downward to form a connection portion, and a plurality of screw insertion holes are formed in the vertical direction of the connection portion. Is provided.
[0012]
(7) A table chair according to the present invention includes a seat support frame on which a seat is supported, and a pair of support portions connected to the seat support frame so as to be capable of rotating about two axes and mounted on a table or the like. After turning the support portion from the outside to the rear, the support portion is turned inside and folded.
[0013]
(8) The table chair according to the present invention comprises a substantially U-shaped seat support frame on which a seat is supported, and a horizontal portion comprising a horizontal axis and a vertical axis, and a horizontal portion rotatably connected to both ends of the seat support frame. A substantially L-shaped connecting arm, a substantially U-shaped lower frame whose both ends are bent upward, and an upper frame provided at the one bent portion, wherein the one bent portion is After a pair of support portions rotatably connected to the vertical axis of the connection frame and mounted on a table or the like, the support portion is rotated rearward around the vertical axis of the connection arm, and The support portion is folded together with the connecting arm by rotating inward around the horizontal axis of the connecting arm.
[0014]
(9) In the table chair according to (8), instead of rotatably connecting one of the bent portions of the lower frame to the connecting arm, a connecting member having a pair of eyeglass-shaped cross-sections having two insertion holes arranged side by side. And inserting the one bent portion into one insertion hole of the connection member, and inserting the vertical axis of the connection arm into the other insertion hole, so that one of the bent portion and the vertical axis is provided. And the other is rotatably mounted.
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
[Embodiment 1]
1 is a perspective view of a table chair according to Embodiment 1 of the present invention, and FIG. 2 is a perspective view showing a state where a seat in FIG. 1 is removed.
In the table and chair 1, reference numeral 2 denotes a seat support frame formed by bending a metal pipe into a substantially U-shape. At both ends thereof, a substantially L-shaped metal pipe having an outer diameter substantially equal to the inner diameter of the seat support frame 2 is provided. The connecting arm 3 is detachably and rotatably mounted.
[0016]
As shown in FIG. 3, a U-shaped leaf spring 33 as an urging means is disposed in the distal end portion of the horizontal shaft 31 of the connecting arm 3, and the horizontal shaft 31 is connected to the end of the seat support frame 2. When inserted from the portion, the push button 34 provided at one end of the leaf spring 33 is urged by the leaf spring 33, and projects from the elongated hole 21 (see FIG. 2) provided in the seat support frame 2 to be locked. I have. When the connecting arm 3 is turned around the horizontal shaft 31, the turning range is restricted by the elongated hole 21, and the locking to the elongated hole 21 is released by pressing the push button 34. Thereby, the connecting arm 3 can be pulled out of the seat support frame 2.
[0017]
A U-shaped leaf spring 35 as urging means constituting height adjusting means is provided in the distal end portion of the vertical shaft 32 of the connecting arm 3. When inserted into the first bent portion 53, the push button 36 provided at one end of the leaf spring 35 is urged, and a plurality of height adjusting means provided in the vertical direction of the first bent portion 53 are formed. The support portion 5 is locked by being fitted into one of the locking holes 55 and locked, and the seat support frame 2 and the support portion 5 are connected.
In the above description, the case where the U-shaped leaf springs 33, 35 are used as the urging means of the push buttons 34, 36 has been described. However, the present invention is not limited to this. A biasing unit of another shape such as a spring may be used.
[0018]
Reference numeral 5 denotes a support portion made of a metal pipe, which comprises a substantially U-shaped lower frame 51 and an upper frame 60 provided on the lower frame 51. The lower frame 51 has a horizontal portion 52, one end of which is bent upward, an inner diameter substantially equal to the outer diameter of the connecting arm 3, and a first portion rotatably fitted to the vertical shaft 32 of the connecting arm 3. A bent portion 53 and a second bent portion 54 that is shorter by the first bent portion 53 whose other end is bent obliquely upward include a first bent portion 53 in a vertical direction. As shown in FIG. 3, locking holes 55 for locking the push buttons 36 provided on the connecting arm 3 at predetermined intervals are provided. Reference numeral 56 denotes a locking hole provided on the opposite side of the lowermost locking hole 55 to lock the push button 36 when the support portion 5 is bent.
[0019]
An upper frame 60 is welded to the upper end of the first bent portion 53 of the lower frame 51 by welding at right angles to the first bent portion 53 and substantially parallel to the horizontal portion 52. Caps 57 and 61 made of an elastic material such as rubber or elastomer are mounted on the upper end portion of the second bent portion 54 and the upper frame 60, and the upper surface of the cap 57 of the second bent portion 54 is provided. And the gap between the upper frame 60 and the lower surface of the cap 61 are formed substantially equal to the thickness of a table or the like (hereinafter, referred to as a table) on which the support portion 5 is mounted.
[0020]
Reference numeral 63 denotes an adjustment portion provided on the horizontal portion 52 near the first bent portion 53 of the lower frame 51 (below the upper frame 60), and a screw rod 64 welded and joined almost vertically to the horizontal portion 52; An adjusting knob 65 screwed to the screw rod 64 is provided. The upper surface of the cap 57, the lower surface of the cap 61, and the upper surface of the adjustment knob 65 may be provided with a plurality of projections, grooves, and other irregularities as needed to increase the frictional force with the table.
[0021]
Reference numeral 7 denotes a seat made of a cloth material, a resin sheet or the like (hereinafter, these are collectively referred to as a seat). Are attached to and suspended from the seat support frame 2. Then, a belt 74 having one end attached to the inside of the front portion of the vertical seat 71 goes around the first bent portion 53 of the support portion 5 and the other end is fixed to the outside of the vertical seat 71 by a hook or the like, and the seat support frame 2 is held. Reference numeral 75 denotes a waist belt having one end attached to the vertical seat 71 and the other end provided via a buckle 76 attached to the vertical seat 71 so as to be adjustable in length. 77 denotes a lower end at the front end of the seat base 72. The crotch belt is fixed and the upper end is attached to the waist belt 75.
[0022]
Next, the operation of the present embodiment configured as described above will be described. The table and chair 1 in which the support portion 5 is connected to the seat support frame 2 is assembled in the state shown in FIG. 1 and the seat 7 is attached thereto, and the adjustment knob 65 of the adjustment portion 63 provided in the support portion 5 is provided. Is located below.
[0023]
First, as shown in FIG. 4, the second bent portion 54 of the lower frame 51 is positioned on the lower surface of the table T, and the upper frame 60 is positioned on the upper surface, and is pressed into the table T from the front side or side. . As a result, the caps 57 and 61 provided on both sides hold the table T. Next, the adjustment knob 65 of the adjustment unit 63 is rotated and raised to abut the lower surface of the table T, and the adjustment knob 65 is adjusted to make the table chair 1 substantially horizontal. As a result, the table chair 1 holds the table T between the second bent portion 54, the upper frame 60, and the adjustment portion 63 of each pair of support portions 5, and is held substantially horizontally.
[0024]
In this state, the waist belt 75 is removed from the buckle 76 and the infant is put in the seat 7 and seated on the seat 72. The crotch belt 77 is inserted between both feet, and the waist belt 75 is attached to the buckle 76.
Thus, even if a load is applied to the seat 7 by an infant or the infant moves, the table chair 1 does not shake.
[0025]
In this case, when the infant is small, the push button 36 provided on the vertical shaft 32 of the connecting arm 3 is pressed to release the lock with the locking hole 55, and the seat support frame 2 is lifted to lift the upper locking hole 55. When the push button 36 is locked at the position shown in FIG. 4, the position of the seat pedestal 72 can be raised as shown by the one-dot chain line or two-dot chain line in FIG. Also, when the infant is large, the position of the seat pedestal 72 can be lowered as shown by the solid line in FIG. 4 by locking the push button 36 in the lower locking hole 55 in the same manner.
As described above, according to the present embodiment, the position (height) of the seat 7 can be adjusted according to the physique (size) of the infant by a simple operation of the height adjusting means, which is extremely convenient. is there.
[0026]
Next, when folding the table chair 1 for storage, carrying, or the like, first, the push button 36 provided on the vertical shaft 32 of the connecting arm 3 is pressed and removed from the locking hole 55 to be in a free state. Then, as shown in FIGS. 5A and 5B, the support portion 5 is rotated about 180 ° from the outside to the rear around the vertical axis 32 of the connecting arm 3, and the push button 36 is inserted into the locking hole 56. Engage and hold in place.
[0027]
Next, as shown in FIG. 5 (b), the support portion 5 and the connecting arm 3 are rotated inward about 90 ° about the horizontal axis 31 of the connecting arm 3 to bring the state of FIG. 5 (c). When the lower frames 51 are bound by the fixing hooks 66 (see FIG. 2), the folding is completed. FIG. 6 shows the state at this time. The fixing hook 66 is not limited to the one shown in the figure, but may have another structure or may be tied with a string.
As described above, according to the present embodiment, the table and chair 1 can be compactly folded by a simple operation, so that it is extremely convenient for storage and carrying.
[0028]
[Embodiment 2]
FIG. 7 is a perspective view in which a part of the table chair according to the second embodiment of the present invention is omitted, and FIG. 8 is a perspective view of a main part of FIG. The same parts as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.
In the figure, reference numeral 8 denotes a connecting member which constitutes height adjusting means made of a resin molded product. Insertion holes 81a and 81b having a circular cross section are vertically arranged at predetermined intervals in a vertical direction, and are formed in a shape of flat glasses. In addition, a plurality of locking holes 82 are provided at predetermined intervals in the vertical direction of one insertion hole 81a. Reference numeral 83 denotes a locking hole provided on the opposite side of the lowermost locking hole 82.
[0029]
Further, the first bent portion 53 of the lower frame 52 is formed shorter than the first bent portion 53 of the first embodiment, and a female screw (not shown) is inserted into a side surface thereof by inserting a nut or the like. Further, one end (the seat 7 side) of the upper frame 60 is bent downward at a substantially right angle to form a bent portion 60a, and a female screw is also provided on a side surface thereof. The structure of the connecting arm 3 is almost the same as that of the first embodiment, but the leaf spring 35 and the push button 36 of the vertical shaft 32 are provided slightly above the tip.
[0030]
In the present embodiment having the connecting member 8 as described above, the first bent portion 53 of the lower frame 51 is inserted from below into the one insertion hole 81 b of the connecting member 8, and the hole provided in the connecting member 8 is formed. The screw 85 inserted from 84a is screwed into the female screw and fixed. Also, the bent portion 60a of the upper frame 60 is inserted into the insertion hole 81b from above, and the lower end of the bent portion is externally inserted into a connecting member projecting from the upper end of the first bent portion 53 of the lower frame 51. The screw 85 inserted from 84b is screwed into the female screw and fixed.
[0031]
Then, the horizontal shaft 31 is inserted through the vertical shaft 32 of the connecting arm 3 connected to the seat support frame 2 from above the other insertion hole 81a of the connecting member 8, and the push button 36 is inserted into one of the locking holes 82. To lock. The connecting arm 3 may be attached to the connecting member 8 first, and then the seat support frame 2 may be attached to the connecting arm 3.
Thereby, the seat support 2 and the support 5 are integrally connected, and the assembly of the table and chair 1 is completed.
[0032]
In the present embodiment configured as described above, when the height of the seat 7 is adjusted by the height adjusting means, the push button 36 is pressed to release the engagement with the engagement hole 82, and the seat 7 is moved to the desired height. Then, the push button 36 may be raised or lowered to the position, and the push button 36 may be locked in the locking hole 82 corresponding to the position.
[0033]
In the case of folding, the push button 36 is pressed to release the engagement with the engagement hole 82, and the support portion 5 is rotated about 180 ° rearward together with the connection member 8 about the vertical shaft 32 of the connection arm 3 together with the connection member 8. The push button 36 is locked in the locking hole 83. Next, the support portion 5 may be rotated about 90 ° inward together with the connection arm 3 around the seat support portion 2.
[0034]
In the above description, the case where the connecting member 8 is integrally formed of a resin molded product is shown. However, a connecting piece having an arc portion in the vertical direction is formed by dividing the connecting member 8 in the vertical direction, and the vertical portion of the connecting arm 3 32, the first bent portion 53 of the lower frame 51, and the bent portion 60a of the upper frame 60 may be sandwiched between the arc portions and fixed with screws 85. In this case, the lower frame 51 as in Embodiment 1 can be used.
In the present embodiment configured as described above, the same effect as in the first embodiment can be obtained.
[0035]
[Embodiment 3]
FIG. 9 is a perspective view in which a part of the table chair according to Embodiment 3 of the present invention is omitted. The same parts as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.
In the present embodiment, the upper frame 60 is formed by bending the upper end of the first bent portion 53 of the lower frame 51 constituting the support portion 5 toward the horizontal portion 52 substantially in parallel with the horizontal portion 52. As shown in FIG. 10, for example, a nut is inserted in a vertical direction of a surface of the bent portion 53 abutting on the connecting portion 22, and a space corresponding to the screw insertion hole 23 of the vertical shaft 32 of the connecting arm 3 is inserted. And two screw holes 53a constituting height adjusting means are provided. Instead of the connecting arm 3, both ends of the seat support frame 2 are bent downward substantially vertically to form a connecting portion 22, and the connecting portion 22 is vertically spaced at predetermined intervals as shown in FIG. May be provided with a plurality of screw insertion holes 23 constituting height adjustment means. Further, the upper frame 60 may be welded to the first bent portion 53 of the lower frame 51. Furthermore, although the case where two screw holes 53a are provided in the first bent portion 53 has been described, one screw hole 53a or three or more screw holes 53a may be provided.
[0036]
Reference numeral 90 denotes an adjustment unit, and a fixing unit 91 having a bracket 92 is attached to the horizontal portion 52 of the lower frame 51, and an elastic material is attached to the distal end of the bracket 92 via urging means 93 such as a mainspring or a spiral spring. A support arm 94 having a cap 95 is attached, and the support arm 94 is constantly urged by the urging means 93 so that the cap 95 faces upward. When the cap 95 is not used, the cap 95 is attached to the upper frame 60. It is in contact with the lower surface of the cap 61.
[0037]
When the table chair 1 according to the present embodiment is attached to the table T, the support arm 94 of the adjustment unit 90 is rotated downward to open the gap between the cap 95 and the cap 61 of the upper frame 60, and the second After the table T is sandwiched between the cap 57 of the bent portion 54 and the cap 61 of the upper frame 60, the support arm 94 is rotated to bring the cap 95 into contact with the lower surface of the table T. , The table T is clamped and held by the upper frame 60 and the adjusting section 90.
[0038]
When adjusting the height position of the seat 7, the set screw 85 is removed, and the seat 7 is raised or lowered to a desired height in this state. As shown in FIG. The two screw insertion holes 23 corresponding to the height of the seat 7 are selected from the plurality of screw insertion holes 23 provided in the above, and the set screw 85 inserted therein is screwed into the screw hole 53a and fixed. A belt 86 binds the vertical shaft 32 of the connecting arm 3 and the first bent portion 53, but may be omitted.
According to the present embodiment, the height position of the seat 7 can be adjusted according to the size of the infant by a simple operation of the height adjusting means.
[0039]
[Embodiment 4]
FIG. 12 is a perspective view in which a part of the table chair according to Embodiment 4 of the present invention is omitted. The same or corresponding parts as those in the first to third embodiments are denoted by the same reference numerals, and a part of the description will be omitted.
In the present embodiment, the upper frame 60 is formed by extending the arms 2 a at both ends of the seat support frame 2, and the first bent portion 53 of the lower frame 51 is formed on the lower surface of the base of the upper frame 60. Are joined by welding, so that the seat support frame 2 and the support portion 5 are integrally formed.
[0040]
Reference numeral 24 denotes a pair of support rods which are made of a metal pipe, and whose upper end portions are welded and hung to both sides of the rear portion of the seat support frame 2 (positions substantially equal to both widthwise edges of a seating surface 72a to be described later). A plurality of screw insertion holes 25 are provided at predetermined intervals in the vertical direction.
Reference numeral 26 denotes a metal pipe having an outer diameter substantially equal to the inner diameter of the support rod 24. Both ends are bent at the same interval as the support rod 24 to form an insertion portion 27, and together with the support rod 24, constitute a height adjusting means. This is a substantially U-shaped adjustment frame, and the insertion portion 27 is provided with one or a plurality of screw holes 28.
[0041]
Reference numeral 78 denotes a height adjustment belt whose both ends are attached to the arm 2a of the seat support frame 2 and whose length can be adjusted by a buckle 79, and constitutes height adjustment means. Reference numeral 72a denotes a seat surface having a core material. The rear side is attached to the adjustment frame 26, and the front side is attached to the height adjustment belt 78. Although not shown, a vertical seat and a lower seat are disposed at the rear, left, right, and lower portions of the seat surface 72a of the seat 7, and the front side of the lower seat is attached to a height adjustment belt 78. Reference numeral 75 denotes a waist belt having a buckle 76, and a crotch belt 77 is attached between the waist belt and a height adjustment belt 78.
[0042]
The mounting of the table chair 1 configured as described above on the table T is the same as in the third embodiment.
When adjusting the height position of the seat 7, the adjustment frame 26 is raised or lowered, the screw holes 27 are selectively aligned with desired screw insertion holes 25 of the support rod 24, and fixed with set screws 85. The height of the height adjustment belt 78 is adjusted by the buckle 79 on the front side of the seating surface 72a, and the seating surface 72a is held substantially horizontally.
According to the present embodiment, the height position of the seat 7 can be selectively adjusted according to the size of the infant to be used.
[0043]
[Embodiment 5]
In the first to fourth embodiments, the case where the height of the seat 7 is adjusted by mechanical means according to the size of the infant has been described. However, in the present embodiment, the seat 7 is not moved in the vertical direction, One set (for example, three sheets) of a plurality of cushions having a core material (for example, 25 mm in thickness) is prepared, and the number of cushions is increased or decreased according to the size of the infant, and the height of the seat surface is adjusted. It was done.
According to the present embodiment, the table and chair 1 are not modified, so that the present invention can be easily implemented on a conventional table and chair.
[0044]
In the above description, the case where the seat support portion 2, the support portion 5, and the like of the table chair 1 are configured by a metal pipe has been described, but all or a part of them may be configured by a hard resin pipe.
Although the table and chair having the height adjusting means of the seat 7 have been described in the first to fourth embodiments, the height adjusting means is not limited to these, and may have another structure. Furthermore, these may be implemented in combination as appropriate.
[0045]
【The invention's effect】
The present invention relates to a table chair including a seat support frame on which a seat is supported, and a support portion connected to the seat support frame and mounted on a table or the like. Since the adjusting means is provided so that the height position of the seat can be adjusted according to the size of the infant by a simple operation, it is extremely convenient.
[0046]
The present invention also provides a table chair comprising a seat support frame on which a seat is supported, and a pair of support frames connected to the seat support frame and mounted on a table or the like. After turning to the inside, each is turned inside and folded, so that it can be folded compactly and is convenient for storage and carrying.
[Brief description of the drawings]
FIG. 1 is a perspective view of a table and chair according to Embodiment 1 of the present invention.
FIG. 2 is a perspective view showing a state where a seat in FIG. 1 is removed.
FIG. 3 is a sectional view of the connecting arm of FIG. 1;
FIG. 4 is an operation explanatory view of the first embodiment.
FIG. 5 is an operation explanatory view of the first embodiment.
FIG. 6 is an operation explanatory view of the first embodiment.
FIG. 7 is a perspective view of a table chair according to Embodiment 2 of the present invention.
FIG. 8 is a perspective view of a main part of FIG. 7;
FIG. 9 is a perspective view of a table chair according to Embodiment 3 of the present invention.
FIG. 10 is a perspective view of a main part of FIG. 9;
FIG. 11 is an operation explanatory view of the third embodiment.
FIG. 12 is a perspective view of a table chair according to Embodiment 4 of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Table chair 2 Seat support frame 3 Connecting arm 33, 35 Leaf spring 34, 36 Push button 5 Support frame 51 Lower frame 53 First bent part 54 Second bent part 55, 82 Lock hole 60 Upper frame 7 Seat 8 Connecting member

Claims (9)

The seat support frame in which the seat is supported, and a support portion connected to the seat support frame and mounted on a table or the like,
A table chair comprising height adjustment means for adjusting a height of a seat with respect to the support portion. A substantially U-shaped seat support frame on which a seat is supported, L-shaped connecting arms mounted on both ends of the seat support frame, and first and second folds having both ends bent upward. A bent portion, the first bent portion having a substantially U-shaped lower frame connected to the connection arm, and an upper frame provided at the first bent portion, and mounted on a table or the like; And the supporting part
A table chair comprising height adjustment means for adjusting the height of a seat between the connection arm and the first bent portion of the lower frame connected to the connection arm. The height adjustment means is provided in a vertical direction of a push button provided in the connection arm and protruding from the connection arm by a biasing means, and a first bent portion of a support portion fitted to the connection arm. 3. The table chair according to claim 2, wherein the push button comprises a plurality of locking holes for selectively locking. The height adjusting means includes a push button provided in the connecting arm and protruding from the connecting arm by a biasing means, and a connecting member having a spectacle-shaped cross section having two insertion holes arranged in parallel, A first bent portion of the support portion is inserted and fixed in one insertion hole of the connection member, and the push button is provided in the other insertion hole by inserting the connection arm into the other insertion hole. 3. The table and chair according to claim 2, wherein the table and chair are configured to be selectively locked in the plurality of locking holes. The height adjusting means includes a screw hole provided in the first bent portion of the support portion, and a plurality of screw insertion holes provided in the up-down direction of the connecting arm, and is selected from the plurality of screw insertion holes. 3. The table and chair according to claim 2, wherein a set screw is inserted into the screw hole of the first bent portion. 6. The vehicle according to claim 5, wherein, instead of the connecting arm, both ends of the seat support frame are bent downward to form a connecting portion, and a plurality of screw insertion holes are provided in a vertical direction of the connecting portion. Table chair. A seat support frame on which the seat is supported, and a pair of support portions which are connected to the seat support frame so as to be pivotable biaxially and are mounted on a table or the like,
A table chair wherein the pair of support portions are configured to rotate rearward from the outside and then rotate inward to fold the support portions, respectively. A substantially U-shaped seat support frame on which a seat is supported, a substantially L-shaped connection arm composed of a horizontal axis and a vertical axis, and a horizontal axis rotatably connected to both ends of the seat support frame; A lower frame having a substantially U-shaped portion bent upward and an upper frame provided at the one bent portion, wherein the one bent portion is rotatable about a vertical axis of the connecting arm. It consists of a pair of support parts that are connected and mounted on a table etc.,
After pivoting the support portion rearward about the vertical axis of the connection arm, the support portion is pivoted inwardly around the horizontal axis of the connection arm together with the connection arm to be folded. And table chair. Instead of rotatably connecting one of the bent portions of the lower frame to the connecting arm, the connecting member has a spectacle-shaped cross-sectional member in which two insertion holes are juxtaposed, and one of the connecting members is inserted. The one bent portion was inserted into the hole, the vertical axis of the connecting arm was inserted into the other insertion hole, and either the bent portion or the vertical axis was fixed and the other was rotatably mounted. 9. The table and chair according to claim 8, wherein:

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