JP3538838B2 - Table storage device for seat - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat table storage device for storing a table top on the back of a seat.

[0002]

SUMMARY OF THE INVENTION As this kind,
Japanese Patent Application Laid-Open No. 10-248647 discloses a portable table for automobiles, in which a storage wire for retaining the portable table and a screw hole for attachment are provided in a storage recess on the back of the seat back. The portable table is provided with a locking piece that can be engaged with the locking wire and a mounting screw that can be screwed into the screw hole (specification, step 0015). This allows
The portable table can be easily and reliably detached from the seat back (step 0015 in the specification). In addition, in order to mount the mobile table in the storage recess of the seat back,
The mobile table and the seatback are each devised, and a locking wire for locking the mobile table and a screw hole for attachment are provided on the back surface of the seatback. On the other hand, the portable table is provided with locking pieces that can be engaged with the locking wires and mounting screws that can be screwed into the screw holes (step 0029 in the specification). The screw hole is provided by screwing a threaded bezel to a bracket provided on the seat back frame (stage 0030 in the specification).

In the above portable table, the locking piece is locked to the locking wire, and the mounting screw is screwed into a screw hole on the seat back frame side, thereby fixing the mobile table to the storage section. In addition, it takes time and effort to screw the screws together, and if the positions of the screw holes and the mounting screws do not match, the mounting operation is expected to be complicated.

In the upper part of the seat back, the threaded bezel is screwed to the bracket provided on the seat back frame as described above, and in the lower part of the seat back, the locking wire is attached to the inside of the seat back. It is provided by joining a wire bent in a substantially U-shape to the seat back frame (Japanese Patent Publication No. 0030).
Then, if the brackets and wires are not mounted at the time of manufacturing at the factory but are mounted later, mounting the brackets and wires to the seat back becomes troublesome. In addition, since the brackets provided with the screw holes are separately mounted on the upper portion of the frame and the wires are separately mounted on the lower portion of the frame, when the seat back is standing, the stored items are concentrated on the lower side of the frame. It is not preferable that a load is applied and a biased load is applied to the frame.

[0005] By the way, the portable table supports the top plate with four table legs, but is not suitable for stable use in a narrow car, and has a face that is difficult to use. Further, in consideration of use in a vehicle, a top plate having a large area, light weight, and excellent strength is desired.

[0006] The top plate of the portable table is approximately the same size as the storage portion, and the size of the top plate is limited by the size of the storage portion. In order to accommodate a large top plate, it is conceivable to divide the top plate. But,
Simply trying to store the divided tops in the storage unit by stacking them, the thickness increases in the stacked state, or the divided tops become difficult to fit and take up space, and the storage work is complicated. It is expected to be. Further, in consideration of use in a vehicle, the top plate and the like need to be lightweight and have necessary strength in both use and storage.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a seat table storage device which is excellent in strength of a locking portion of an upper stopper and can obtain a stable storage state.

[0008]

According to a first aspect of the present invention, there is provided a storage portion provided on the back of a seat back, and a table top plate detachably mounted in the storage portion. It is a seat table storage device for supporting and storing in the storage portion, forming a divided top plate portion by dividing the top plate,
The upper surfaces of the divided top plates are accommodated together in the storage portion, and an upper stopper is provided on the seat. The upper stopper is engaged with the upper outer portion of the outer divided top plate. Further, a wall portion is formed on the lower surface of the edge of the divided top plate portion so that lower ends thereof abut each other.

According to the structure of the first aspect, the lower surfaces of the divided top plates are overlapped with each other, the lower portion of the overlapped divided top plate is supported by the storage portion, and the upper portion is locked by the upper stopper. And store it. Since the upper stopper is locked by a closed cross section where the walls of the divided top plate abut against each other, the strength is excellent, and the locking by the upper stopper can be ensured. .

Further, in the invention according to claim 2, the upper stopper is a rotation stopper, and the rotation stopper is engaged with the outer engaging recess of the outer divided top plate portion.

According to the second aspect of the present invention, the upper stopper of the divided top plate can be easily locked and unlocked by rotating the rotation stopper and locking the outer stopper in the outer engaging recess of the divided top plate. It can be carried out.

According to a third aspect of the present invention, an inner engaging concave portion is provided in the inner divided top plate portion corresponding to the upper stopper, and a contact portion with which the inner engaging concave portion abuts is provided in the housing portion. It is provided in.

According to the third aspect of the present invention, the inner engaging recess of the inner divided top plate abuts on the abutting portion of the storage portion at the position where the upper stopper is locked. Will be more reliable.

According to a fourth aspect of the present invention, the divided top plate portion is provided with a wall portion whose edges are attached to each other in a superposed state.

According to the structure of the fourth aspect, when the lower surfaces of the divided top plates are overlapped with each other, the peripheral walls are abutted to form a box-like body, so that the strength during storage can be secured.

Further, according to a fifth aspect of the present invention, a reinforcing pipe is provided on a lower surface of the divided top plate.

According to the fifth aspect of the invention, since the divided top plate portion is reinforced by the reinforcing pipe, necessary strength can be secured in a wide top plate.

Further, in the invention according to claim 6, the divided top plate is assembled to the top plate by abutting the side faces of the wall.

According to the structure of the sixth aspect, the side surfaces of the wall portion are abutted against each other, so that the divided portions of the divided top plate are abutted on the surface in use and can be used stably as a top plate.

Further, in the invention according to claim 7, the leg is stored between the inner divided top plate portion and the storage portion.

According to the seventh aspect of the present invention, the legs can be housed together with the divided top plate constituting the top plate.

Further, according to the invention of claim 8, the leg is connected to the storage portion.

According to this construction, since the legs are connected to the storage portion, the legs are erected with the storage portion on the lower side, and the top plate on which the divided top plate portion is assembled is set on the legs. Thus, the top plate can be used stably.

Further, the invention according to claim 9 is a pair of leg rods wherein the legs are pivotally connected in a crossed state so as to be foldable.

According to the ninth aspect of the present invention, since the legs are connected to the storage portion in advance, the opening and closing operation of the legs can be easily performed with the storage portion being on the lower side, and the legs are stable. I do. In addition, the legs may be folded during storage, so that the operation of storing the legs can be simplified.

Further, according to the invention of claim 10, the leg rods can be folded in a plane.

According to this configuration, the legs can be compactly stored in the storage portion in the storage state.

[0028]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 to FIG. 23 show an embodiment of the present invention, and FIG. This is an example used for a device, and a table device has a top plate 1 and this top plate 1
And a leg 2 as a supporting member. The top plate 1 is a supported member of the leg 2. The back of the backrest 102 of the seat 101
The storage unit 3 is provided in the storage unit 103. In use, the leg 2 is mounted on the back surface 103 of the backrest 102 serving as a mounting unit. In storage, the leg 2 and the top plate 1 are connected to the storage unit. 3 The top plate 1 is a storage item stored in the storage section 3, and the leg 2 is also a storage item.

As shown in FIG. 2 and FIG.
Are configured so that the pair of leg rods 21 and 21A cross each other, and can be folded by being pivotally connected at a pivoting portion 22. The leg 21,
21A is formed by forming a metal round pipe P into a square frame shape. In the leg rods 21 and 21A having a long side and a short side, the short sides are pivotally connected by the pivot portion 22, and in use, one of the long sides becomes the upper leg 23, 23A, which is the upper part, and the other is the lower part. The lower legs are 24 and 24A. As shown in FIG. 4 to FIG. 6, a concave engaging portion which constitutes one of the concave and convex engaging portions is provided at the longitudinal center of the leg upper portions 23, 23A of the leg rods 21, 21A. The portion is a groove 26 provided around the connecting member 25. The connecting member
25 has an insertion portion 251 inserted into the round pipe P of the leg rods 21 and 21A at both ends, and a flange portion 252 abutting on the end face of the round pipe P integrally provided. The groove 26 is formed in the groove 26, and a convex engagement portion of the top plate 1 described later engages with the groove 26. In this example, the connecting member 25 is made of metal, and is welded to the round pipe P. The one leg 21 is formed smaller than the other leg 21A. In the folded state shown in FIG. 1, the leg 21 is housed in the leg 21A, and the legs 21 and 21A are in the same plane. It is configured to form a shape.

The storage section 3 is provided with a storage plane 30 along which the legs 2 folded flatly are arranged. The storage plane 30 is a bottom surface of the storage section, and a backrest 102 is provided on a lower side of the backrest. Is provided with a connection fitting 31 serving as a connection part,
The lower leg 24 of the one leg 21 is rotatably connected to 31. On the upper side of the backrest, as shown in FIG. 8, use locking fittings 32A, 32, 32A serving as use locking portions are provided, and these use locking fittings 32, 32A are attached to the lower legs 24 of the other leg rod 21A.
A is detachably locked. In addition, the above-mentioned locking fitting 32,
32A has an insertion portion 321 opening toward the connection fitting 31 side. On both sides of the center used locking fitting 32, the used locking fittings 32A, 32A are provided, and the center used locking fitting 32 has a stepped portion 322 having a slightly narrower tip side. When the lower leg portion 24 is inserted from the insertion portion 321, the stepping portion 3
After the elastic deformation of the 22 in the direction away from the storage plane 30, it returns and locks to the leg lower part 24, so that the retaining action is obtained. A storage locking portion 33 is provided on the upper side close to the used locking fitting 32, and the leg upper portion 23 of one leg 21 is detachably locked to the storage locking portion 33.

The seat 101 is provided on an automobile, and the backrest 102 has a variable inclination angle, and as shown in FIGS. 2 to 4 and FIG. ing.

Therefore, as shown in FIG.
Fold down 102 so that its back 103 is facing upward, and store it flat
In order to use the leg 2 which is folded along 30, the leg upper portion 23 of one leg 21 is lifted off from the storage locking portion 33, and the leg upper portion 23 is connected to the connecting bracket. 31
To rotate upwards. By this rotation, the leg 2 is opened, that is, the interval between the leg upper part 23 and the leg lower part 24 is opened, and when the leg 2 is opened a little more than the use state, the leg lower part 24A of the other leg rod 21A becomes It comes to the connection fitting 31 side and contacts the base 311 of the connection fitting 31. From here, when one leg upper portion 23 is pushed down, the other leg lower portion 24A is locked from the insertion portion 321 into the used locking fitting 32. After the setting of the leg 2 is completed in this way, even if a load of the top plate 1 is applied to the upper part of the leg 2, the used locking fitting 32 has a structure having the insertion portion 321 opened to the connecting fitting 31 side. As a result, the lower leg portions 24 and 24A do not spread, resulting in a structure that is stable against load. still,
In a state where the lower leg portion 24A is locked by the used locking fitting 32, the upper leg portions 23 and 23A are at the same height position.

On the other hand, to fold the leg 2 shown in FIG.
Conversely, if the lower leg portion 24A of the other leg is removed from the used lock fitting 32 and the upper leg portion 23 is locked to the storage locking portion 33, the leg 21 is stored in the leg 21A. The body 2 can be along the storage plane 30.

Next, the structure of the top plate 1 and the support structure between the top plate 1 and the legs 2 will be described. The top plate 1 is composed of divided top plate portions 11 and 11A divided into two substantially at the center in the length direction, and these divided top plate portions 11 and 11A have substantially the same shape. Then, as shown in FIG.
1, 11A are stored along the storage portion 3 in a state where the lower surfaces 111, 111 are overlapped, and in this storage state,
One of the divided top plates 11 is on the outside, and the other divided top plate 11A is on the inside.

Locking pieces 12, 12, 12A, 12A serving as locking portions are provided on the lower surfaces 111, 111 of the divided top plates 11, 11A, respectively, as shown in FIGS. The locking pieces 12, 12 are provided corresponding to the upper part 23, and the locking pieces 12A, 12A are provided corresponding to the leg upper part 23A, and both the locking pieces 12, 12A are provided on one side of the top plate 1 in the width direction. It has insertion portions 121 and 121A, and the insertion portion 121A of the locking piece 12A is opened at a position near the edge of the divided top plate portions 11 and 11A.

As shown in FIGS. 11 to 13, a plurality of reinforcing ribs 13H and 13L in the width direction and the length direction are provided on the lower surfaces 111 and 111 of the divided top plate portions 11 and 11A in a lattice shape. I have. Further, the lower surfaces 111, 111 of the divided top plate portions 11, 11A.
Is provided with a reinforcing pipe frame 14 made of metal, and the reinforcing pipe frame 14 serving as a reinforcing pipe has a substantially rectangular outer frame rod 141.
And a connecting rod 142 in the length direction provided in the outer frame rod 141. The fixing plate 143 is provided on the lower surface side of the outer frame rod 141 and the connecting rod 142.
And split both sides of this fixed plate 143 with screws 144
A boss 145 to which the screw 144 is screwed is formed on each of the divided top plates 11 and 11A.

Further, the insertion portions 121, 1 of the locking pieces 12, 12A are provided.
As shown in FIG. 12 and the like corresponding to 21A, guide reinforcing ribs 131 are provided on the lower surfaces 111, 111 of the divided top plates 11, 11A. And a slanted edge 132 inclined from lower surfaces 111, 111 of the portions 11, 11A toward the insertion portions 121, 121A.
The lower edge 133 is substantially parallel to the lower surface 111. The height of the lower edge 133 is substantially the same as the lower surface of the reinforcing pipe frame 14. Therefore, as shown in FIG.
The upper leg 23, 23A is locked to 12A and the top plate 1 is
The upper leg 23, 23A is supported by the reinforcement pipe frame 14 and the lower edge.
Since it is attached to 133, load support can be performed well. With such a configuration, the relatively wide top plate 1 is provided.
, For example, made of a synthetic resin or the like, it is possible to obtain the required strength while suppressing the wall thickness.

Further, the lower surfaces 111, 1 of the divided top plate portions 11, 11A.
As shown in FIG. 2, FIG. 3, FIG. 11, FIG. 13 and FIG. 14, a stopper 15 is provided on the leg 11 to prevent the leg upper portion 23A locked on the locking piece 12A from coming off. The stopper 15 is provided on the rotation center shaft 151 in the width direction of the top plate 1, an operation portion 152 in the cross direction formed by bending one end of the rotation center shaft 151, and the other end of the rotation center shaft 151. A driven portion 153 having a substantially L-shape in a plane, and a crossing portion 153A provided at the tip of the driven portion 153 and crossing the leg upper portion 23A in a crossing direction.
A retaining portion 154 provided at the tip of the crossing portion 153A is provided, and the rotation center shaft 151 is attached to the lower surfaces 111, 111 of the divided top plate portions 11, 11A by an attachment body 156 having bearing portions 155, 155.
The retaining portion 154 is rotatably supported in a state in which movement in the longitudinal direction is restricted, and the retaining portion 154 is divided by a resilient device such as a coil spring 157 as biasing means mounted on the rotation center shaft 151. Energizing in a direction away from the lower surfaces 111, 111 of the portions 11, 11A, an angle restricting portion 158 is projected from the rotation center shaft 151,
At a position where the angle regulating portion 158 contacts the mounting body 156,
The retaining portion 154 is in a restricting position corresponding to the height of the leg upper portion 23A locked to the locking piece 12A, and
A is prevented from slipping out, while the retaining portion 154 is
Assuming the non-restricted position rotated by a predetermined angle toward the
The upper leg portion 23A can be removed from the lower leg. Operation unit
An elastic cap 159 such as a synthetic resin is provided on each of the 152 and the intersection 153A. With this configuration, the upper portion 23A of the leg rod 21A is brought into contact with the crossing portion 153A, and the crossing portion 153A is pushed toward the lower surface 111.
1A is opened, and the upper leg portion 23A can be locked to the locking portion 12A while sliding on the crossing portion 153A and the guide reinforcing rib 131. Then, when the leg upper portion 23A is locked to the locking portion 12A, the retaining portion 154 is returned to the insertion portion 121A position by the coil spring 157, and the leg upper portion 23A does not come off from the locking portion 12A.
On the other hand, if the operation unit 152 is pushed toward the lower surface 111, the retaining portion 154 also moves toward the lower surface 111, and the locking portion 12A moves from the upper leg portion 23A.
Can be removed. The retaining portion 154 is located between the locking portions 12A. In addition, divided top plate parts 11, 11
A is set so that the top plate 1 is shifted in the longitudinal direction so that the stoppers 15 and the locking portions 23 and 23A do not interfere with each other in a state where the lower surface 111 side is overlapped.

As shown in FIGS. 2 and 3, butting portions 16 and 16 are formed at the butting portions of the divided top plates 11 and 11A, respectively. 16 around the top plate 11 and 11A
Is formed. The butted walls 16, 16 of the two divided top plates 11, 11A are convex engaging portions and engage with the grooves 26.

As shown in FIG. 11 and FIG. 14, the upper surfaces of the divided top plates 11 and 11A
Positioning display sections 17 and 17 are provided, respectively.
A can be positioned. Further, the positioning display portion 17 corresponds to the position of the intersection 153A of the stopper 15.

Therefore, as described above, in order to set the legs 2 in the storage section 3 in the used state and to attach the divided top plates 11 and 11A to the legs 2, the upper legs 23 and 23A must be locked. 1
Divided top plate 11, 11A so that it comes to the insertion part 121 side of 2, 12A.
Is put on the leg 2. In this case, since the divided display portions 11 and 11A are provided with the positioning display portions 17, the leg upper portions 23A can be aligned using this as a guide. Also,
In the groove 26 of the leg 2, the butted wall 1 of the divided top plate 11, 11A
Match the sides 162,162 of 6,16. If the upper portion 23A of the leg is aligned and the divided top plates 11 and 11A are slightly pushed downward, the stopper 154 of the stopper 15 will be
After moving to the 11 side, the leg tops 23, 23A can be locked to the locking portions 12, 12A by sliding the divided top plates 11, 11A in the width direction. Note that, instead of pushing the crossing portion 153A of the stopper 15 with the leg upper portion 23A, the operation portion 152 may be manually operated so that the retaining portion 154 follows the lower surface 111. The butted walls 16, 16 of the divided top plates 11, 11 A are fitted into the grooves 26 of the leg 2. In the structure supporting the top plate 1 in this manner, the widthwise positions of the leg upper portions 23, 23A of the leg 2 with respect to the top plate 1 are regulated by the locking portions 12, 12A and the stopper 15, and The upper part of the leg
The longitudinal position of 23 and 23A is regulated, and a stable support structure is obtained. On the other hand, when removing the top 1, the user operates the operation unit 152 near the edge of the lower surface 111, and this operation can be performed by holding the edge by hand and holding the operation unit 152. If the user grips the top plates 11 and 11A and slides them in the opposite direction, the upper leg portions 23 and 23A can be removed from the locking portions 12 and 12A. Therefore, there is no need to operate the top plate 1 upside down or look down from below. In particular, this embodiment has a structure suitable for handling a relatively wide top plate 1.

Next, a seat back storage device provided on the back surface 103 of the backrest 102 will be described. As shown in FIG. 1, the backrest 102 has a frame 104 as a frame inside.
With the backrest 102 upright, the frame 104
An upper and lower fixing bracket 51 is fixed to the upper and lower cross sections 104U and 104D by fixing means 52 on the upper and lower sides, and the fixing brackets 51 and 51 are provided on the left and right. As shown in FIGS. 18 and 19, the fixing means 52 includes a through hole 105 of the upper and lower crosspieces 104U and 104D, a suspension nut 521 mounted in the through hole 105, and an upper and lower part of the fixing bracket 51. It consists of a fixed through hole 511 provided and a bolt 522 with washer,
As shown in FIG. 19, a bolt 522 is inserted into the fixing through-hole 511, and the bolt 522 is screwed into a female screw hole of the suspension nut 521, thereby fixing the fixing bracket 51.
The back surfaces of the fixing brackets 51, 51 are formed flat, and a seat back cover 106 serving as a back cover body is attached to the back opening 107 of the backrest 102 from outside the fixing brackets 51, 51. The seat back cover 106 is made of a synthetic resin or the like, and is provided on the backrest 102 in advance from the factory.

An upper bracket 53 is provided on the outer surface of the seat back cover 106, and the upper bracket 53 has a base body 54. A through hole 541 is provided in the base body 54, and a through hole 106K is formed in the seat back cover 106 corresponding to the through hole 541 as shown in FIG.
In order to fix the base body 54, a female screw hole 512 is provided at the upper part of the fixing bracket 51, and as shown in FIG.
The base body 54 is fixed to the fixing bracket 51 by being inserted into the K and screwed into the female screw hole 512. As shown in FIGS. 7 and 8, the base body 54 includes
The use locking fitting 32 and the storage locking portion 33 are provided integrally. Further, a step portion 542 is provided above the base body 54, a contact surface 543 is provided at the center of the step portion 542, and a rotation stopper 55 serving as a locking means is provided on the upper base portion 544 above the step portion 542. Has been. And this rotation stopper
55 is an upper stopper. In addition, the storage locking portion 33 and the step portion
The lower leg 24A and the upper leg 23 are housed side by side with the 542. The rotation stopper 55 fixes a fixed base 551 to the upper base part 544, and the fixed base 551 is provided with a fixed cylindrical part 552, and the fixed cylindrical part 552 is provided with a cylindrical part 554 of a rotation lock 553. It is rotatably inserted, a screw 555 serving as a center of rotation is inserted into the cylindrical portion 554, and the screw 555 is screwed to the upper base portion 544.
Is inserted into the hole 544K of the upper base portion 544. A knob 556 is provided on the outer surface of the rotation lock 553 in a direction crossing the screw 555, and one side 556M of the knob 556 is positioned at one side 551M of the fixed base 551 at the unlocked position.
When is rotated approximately 90 degrees, the lock position is reached. As shown in FIGS. 7 and 9, an arc groove 557 centering on a screw 555 is formed on the upper surface of the fixing table 551, and an engagement protrusion 558 that moves along the arc groove 557 is attached to the rotation lock 553. And a positioning recess 558A provided at the lower end of the engaging projection 558. The positioning projections 557R and 557F, which the positioning recess 558A engages and disengages stepwise, correspond to the lock position and the unlock position. Provided.

A support bracket 61 is provided below the outer surface of the seat back cover 106. The support bracket 61 has a base body 62. A through hole 611 is provided in the base body 62, and corresponding to the through hole 611, as shown in FIG.
A through hole 311 is provided in the connection fitting 31, and a through hole 106K is formed in the seat back cover 106 as shown in FIG. Also, in order to fix the base body 62,
A female screw hole 512 is provided at a lower portion of the fixing bracket 51,
As shown in FIG. 21, a bolt 513 with a washer is inserted into the through holes 611 and 106K and screwed into the female screw hole 512, so that the fixing bracket 51 and the base body 62 and the connecting metal
Thus, the connecting fitting 31 is integrally provided on the outer surface of the base body 62. The bolts 513 are screw means for fixing the upper bracket 53 and the support bracket 63 to the fixing bracket 51. Further, a step 622 is provided above the base body 62, and this step 6
A substantially U-shaped support portion 63 is provided at a lower portion of the support 22, and a tip portion 631 of the support portion 63 is upward and slightly outward.
Note that the leg upper portion 23A is located between the connection fitting 31 and the step portion 622.
Is stored.

Here, referring to FIGS. 15 to 21, the fixing bracket 51, the upper bracket 53 and the support bracket 61 will be described.
A method of mounting the storage device including the above will be described. First, lower the backrest 102 to make it easier to work,
Is upward. Then, from the backrest 102 before the storage device is attached, the seatback cover 10 on the back surface 103 is provided.
Perform work to remove 6. In this example, as shown in FIG. 15, the seat back cover 106 is fixed to the back surface 103 by a grommet 108, and the seat back cover 106 can be removed by removing the grommet 108. Then, when the seat back cover 106 covering the back opening 107 is removed, the upper and lower rails 104U and 104D of the frame frame 104 are exposed to the outside. As shown in FIG. 16, the through hole 106K is formed in the removed seat back cover 106 by an electric drill 41. Further, a plurality of upper through holes 106G are formed in the upper portion of the seat back cover 106, and a rubber grommet 109 is attached to the upper through hole 106G as shown in FIG. Note that the rubber grommet 109 has the seat back cover 106
When it is mounted on the rear panel 103, the upper part of the seat back cover 106 is locked to the rear panel 103 without any gap, by being locked to the rear panel 103 side. Then, as shown in FIG.
The suspension nut 521 is mounted at the position of the through hole 105 of the U and 104D, and the upper and lower sides of the fixing bracket 51 are fixed to the upper and lower cross sections 104U and 104D by bolts 522 as shown in FIG. The seat back cover 106 is put on the part 107. Thereafter, as shown in FIGS. 20 and 21, the upper bracket 53 and the support bracket 61 are fixed from above the seat back cover 106 by bolts 513. By fixing in this manner, the brackets 53, 61 are fixed to the frame 104, which is the skeleton of the backrest 102, via the fixing bracket 51, and thus have excellent strength against load. In addition, since the fixing bracket 51 is hidden by the seat back cover 106, the appearance design is not impaired.

Next, the structure of the top plate 1 to be stored on the back surface 103 of the backrest 102 by the storage device will be described, focusing on storage. As shown in FIGS.
A step portion 112 is formed around the upper surfaces of the divided top plate portions 11 and 11A, and a step surface 1 is formed between the step portion 112 and the peripheral edge.
A step 13 is formed, and the step 112 and the step surface 113 are provided except for the edge on the side of the butting wall 16. As shown in FIG. 1, the divided top plate portions 11 and 11A are provided with a butt wall portion 16 and a wall portion.
The lower ends of 16A, 16A are abutted to each other, and the abutting wall 16 is directed downward along the storage section 3. The lower part is supported by the support bracket 61, and the upper part is stored and fixed in the stopper state by the rotation stopper 55. As shown in FIG.
23, and the like, as shown in FIG.
An outer engaging recess 114 is formed in the step surface 113, and the rotation stopper 55 can be locked in the outer engaging recess 114. Further, a portion of the step surface 113 corresponding to the outer engagement recess 114 is formed in an arc-shaped step surface 113A. Further, as shown in FIG. 14 and the like, the upper step 542 of the step 542 of the base body 54 is provided on the step surface 113 of the divided top plate 11A on the inside.
A is formed, and the inner engaging recess 115 has substantially the same width as the upper step 542A. By engaging the outer engaging recess 115 with the upper step 542A, The horizontal position of the divided top plate portion 11A at the time is regulated, and the step surface 113 at the position of the inner engagement concave portion 115 contacts the contact surface 543 of the upper bracket 53.

As shown in FIGS. 1 and 11 and the like, an opening 161 is partially provided in the butting wall 16 of the divided top plate 11 on the outside corresponding to the support bracket 61. Corresponding to 161, a bracket 116 serving as a bracket locking portion is provided on the lower surface 111 of the divided top plate portion 11, and the distal end 631 of the support bracket 61 is locked to the bracket 116.

Therefore, after the legs 2 are stored in the storage section 3, the divided top plates 11 and 11A are superimposed, and in this superimposed state, as shown in FIG. The mutual wall portions 16 and 16A are abutted, and these abutted wall portions 1
6, 16A and their upper surfaces form a box having a substantially closed cross section. Then, as shown in FIGS. 1 and 22, the butting wall portion 16 of the inner divided top plate portion 11A is locked so as to be placed on the support bracket 61, and the metal fittings 116 of the outer divided top plate portion 11 are engaged. On the tip 631 of the support bracket 61,
Further, the upper portions of the divided top plates 11 and 11A are shown in FIGS.
As shown in (5), the rotation lock 553 of the rotation stopper 55 is rotated and locked in the outer engagement recess 114, so that the lock in the retaining state is achieved. In this case, as shown in FIG.
The outer engagement recess 114, the walls 16A, 16A and the inner engagement recess 115
Since the lower ends of the wall portions 16A, 16A abut each other to form a substantially U-shaped closed cross section, the strength is improved as compared with the case where they are simply overlapped. Since the 553 is locked, the divided top plates 11 and 11A can be reliably pressed by the rotation lock 553. In addition, since the engaging recesses 114 and 115 are provided with step surfaces 113A and 113 having a U-shaped cross section continuously, the rotation locking
The portion where the 553 is locked becomes more excellent in strength.

As described above, according to the present embodiment, the storage unit 3 provided on the back surface 103 of the backrest 102 of the seat 101 and the table top 1 of the table detachably mounted on the storage unit 3 correspond to the first aspect. A table storage device for a seat that stores the lower portion of the top plate 1 by supporting the lower portion in the storage portion 3, wherein divided top plates 11 and 11 </ b> A are formed by dividing the top plate 1. Department
The lower surface 111, 111 side of 11, 11A is put together in the storage part 3, and the seat 101 is provided with a rotation stopper 55 as an upper stopper which is locked to the upper outer side of the outer divided top plate part 11. Walls 16, 16 are formed on the lower surfaces of the edges of the divided top plates 11, 11A corresponding to the locking positions, so that the lower surfaces of the divided top plates 11, 11A are aligned. The lower portions of the stacked top plates 11 and 11A are supported by the storage portion 3, and the upper portions are locked by the rotation stopper 55 and stored. Then, the portion where the rotation stopper 55 is locked
Because the walls 16, 16 of the divided top plates 11, 11A are abutted against each other to form a closed cross section, the strength is excellent and the rotation stopper is provided.
The locking by 55 can be ensured.

As described above, according to the present embodiment, claim 2
Corresponding to the above, the upper stopper is a rotation stopper 55, which is locked in the outer engaging recess 114 of the outer divided top plate portion 11, so that the upper stopper of the divided top plate portion 11 is locked. Unlocking can be easily performed.

As described above, in the present embodiment, claim 3
Corresponding to the upper stopper, the inner engaging concave portion 115 is provided in the inner divided top plate portion 11A, and the contact portion 543 with which the inner engaging concave portion 115 comes into contact is provided in the storage portion 3. At the position where the stopper is locked, the inner engagement concave portion 115 of the inner divided top plate portion 11A abuts against the abutting portion 543 of the storage portion 3, so that the locking by the upper stopper is further ensured.

As described above, according to the present embodiment, claim 4
Corresponding to the above, since the divided top plates 11 and 11A are provided with walls 16 and 16A whose ends are mutually joined in a superposed state, the lower surfaces 111 and 11A of the divided top plates 11 and 11A are provided. , 111 side together, the surrounding walls 16, 16A abut,
It becomes a box-like body, and strength during storage can be secured.

Further, in this embodiment, since the reinforcing pipe frame 14 serving as a reinforcing pipe is provided on the lower surface of the divided top plate portions 11 and 11A according to the fifth aspect, the divided top plate is provided by the reinforcing pipe frame 14. Since the portions 11 and 11A are reinforced, necessary strength can be secured in the wide top plate 1.

Further, as described above, in this embodiment, according to the sixth aspect, the divided top plates 11, 11 are provided on the side surfaces of the wall portions 16, 16.
Since the top plate 1 is assembled by abutting the top plates 162 and 162, the joining portions of the divided top plates 11 and 11A are abutted on the side surfaces 162 and 162 of the top plate 1 in use.
Can be used stably.

Further, in this embodiment, the legs 2 are stored between the inner divided top plate 11A and the storage unit 3 according to the seventh aspect. The leg 2 can be housed together with the divided top plates 11 and 11A constituting the above.

Moreover, in this embodiment, since the leg 2 is connected to the storage section 3 according to the eighth aspect, the leg 2 is connected to the storage section 3. The leg 2 is erected with the storage part 3 on the lower side, and the divided top plates 11, 11
The top plate 1 assembled with A is set, and the top plate 1 can be used stably.

Further, in this embodiment, the leg 2 is a pair of leg rods 21 and 21A pivotally connected in a crossed state and configured to be foldable. Rod 21
Are connected to the storage section 3 in advance, the opening and closing work of the leg 2 can be easily performed with the storage section 3 as the lower side, and the leg 2 is stabilized when used. In addition, the legs may be folded during storage, so that the operation of storing the legs 2 can be simplified.

Further, in this embodiment, the leg rods 21 and 21A can be folded in a plane in accordance with the tenth aspect, so that the leg 2 can be compactly stored in the storage section 3 in the storage state. Can be stored.

Further, as an effect of the embodiment, the legs 11, 11
A leg 2 configured to be able to be folded by pivotally connecting the competitors A in a crossed state, and a top plate 1 as a supported material supported by the leg 2
And a backrest 102 serving as a mounting portion on which the leg 2 is placed, a leg lower portion 23 which is a lower portion of one leg rod 21 is rotatably connected to the backrest 102, In the state of use, the lower leg 23A, which is the lower leg of the other leg rod 11A, is detachably locked by the use lock metal fitting 32 as a use lock portion.
Since it is provided at 102, the folded leg 2 is opened, that is, the leg 21, 21A is rotated so as to narrow the upper part of the leg 21, 21A, and the lower part of the other leg 21A is used as the locking fitting 32. When the leg 2 is used, the back 1 of the backrest 102 is locked.
Can be fixed at 03. And, since one leg 21 is rotatably connected to the back surface 103 of the backrest 102 in advance, the opening and closing work of the leg 2 on the back surface 103 can be easily performed, and the leg 2 is stabilized, The top plate 1 can be supported by the stable legs 2. Also,
The use lock fitting 32, which is a use lock portion, has the insertion portion 321 that opens to the lower side of one of the legs 21, so that the leg 2 is slightly opened more than the use state, and the lower leg 24A of the other leg 21 is used. Is inserted along the back surface 103 from the insertion portion 321 into the used locking fitting 32, so that the work of locking the used locking fitting 32 can be easily performed. Further, after the locking, even if a force is applied in the direction of closing the leg 2 by the load of the top plate 1 and a force is generated to open the lower legs 24, 24A of the leg rods 21, 21A, the insertion portion 321 remains on one side. Since the lower leg 24A is opened at the lower side of the leg 21, the lower leg 24A of the other leg 21A does not come off from the used fitting 32, and the structure is stable against the load. In addition, leg 21,
Since the 21A members can be folded in a plane, they can be compactly stored in the receiver in the stored state. Also,
On the backrest 102 serving as the mounting part,
Since the storage locking portion 33 for locking the upper side or the other leg 21A is provided, if the upper side or the other leg 21A of the one leg 21 is locked to the storage locking portion 33 as described above. , One leg 21
Because the lower leg 24 is connected to the backrest 103,
The legs 2 can be stored in the storage section 3 without opening. The storage locking portion 33 in this case is a pivot portion of the one leg 21.
What is necessary is just to provide in the upper side which is above 22 or the position which engages with the other leg 21A. Further, the legs 21, 21A have a substantially rectangular frame shape, and one leg 21 can be stored in the other leg 21A, and one leg 21A can be accommodated in the other leg 21A in a folded state. 21 fits and is stored in the same plane,
It can be stored compactly. Further, on the back surface 103 of the backrest 102 serving as a mounting portion,
Since the storage locking portion 33 for locking the upper leg portion 23 side, which is the upper portion of the lower leg 24, is provided, if the upper side of one of the leg rods 31 is locked to the storage locking portion 33, two points of connection with the lower leg portion 24 are provided. Then, the leg 2 can be fixed. In addition, the mounting portion is the back surface 103 of the backrest 102 of the seat 101, and the backrest 102 can be set at a position with the back surface 103 facing upward.
03 is set to the upper position, and leg 2
Can be used stably in a fixed state.

Another effect of the embodiment is that the top plate 1
And a leg 2 serving as a support member detachably provided at a lower portion of the top plate 1, the locking pieces 12, 12 A serving as locking portions for locking the leg 2 are attached to the top plate 1. , Leg 2
A groove 26 serving as a concave engagement portion is provided on the leg 2 as one of the top plate 1 and the convex member which engages with the groove 26 on the other top plate 1 to regulate the longitudinal position of the leg 2. Butt wall 16
The legs 2 are attached to the locking pieces 12, 12A of the top plate 1.
When the leg upper portions 23, 23A are locked from the width direction, the leg 2
And the top plate 1 and the legs 2 can be easily assembled. In addition, locking pieces 12, 12A serving as locking portions
Has an insertion portion 121, 121A for inserting the leg upper portion 23, 23A of the leg 2 as a support member, and a stopper 15 for preventing the leg portion 23A of the leg 2 from coming off from the insertion portion 121, 121A. Therefore, if the upper leg 23A is locked from the insertion portion 121A to the locking piece 12A, the upper leg 23A does not come off the top plate 1 by the stopper 15. Further, the supporting member is composed of a pair of leg rods 21 and 21A, and provided with locking pieces 12 and 12A as locking portions corresponding to the leg rods 21 and 21A, respectively. It has insertion portions 121, 121A that open in one side direction intersecting with the length direction, and is provided with a stopper 15 for preventing the leg 21A from coming off from the insertion portion 12A. Have the insertion portions 121, 121A opened in the same direction, the top plate 1 is moved in the other direction with respect to the leg bars 21, 21A, so that the pair of leg bars 2 is formed.
1 and 21A are locked from the insertion portions 121 and 121A to the locking pieces 12 and 12A, and the stopper 15 can be prevented from coming off. As described above, there is no need to move the legs 21, 21A, and the work can be performed simply by holding only the top plate 1, which is convenient when the large top plate 1 is used. A pair of leg rods 21 and 21A pivotally connected in a crossed state and configured to be foldable, and locking pieces 12 and 12A as locking portions are provided corresponding to the leg rods 21 and 21A, respectively. Each of the locking pieces 12, 12A has an insertion portion 121, 121A that opens in one side direction intersecting with the length direction, and is provided with a stopper 15 for preventing the leg 21A from coming out of the insertion portion 12A. Since the locking pieces 12 and 12A have the insertion portions 121 and 121A opened in the same direction,
By moving the top plate 1 in the other direction with respect to 21 and 21A, the pair of leg rods 21 and 21A are locked from the insertion portions 121 and 121A to the locking pieces 12 and 12A, and are removed by the stopper 15. A stop state is obtained. In this way, there is no need to move the legs 21, 21A, and the work can be performed simply by holding only the top plate 1,
This is convenient when a large top plate 1 is used. Further, since the legs 21, 21A pivotally connected in the crossed state are used, it is not necessary to provide stoppers on the locking pieces 12, 12A on both sides, respectively, and the insertion portions 121, 121A are locked on the edge side of the top plate 1. If the stopper 15 is provided corresponding to the piece 12A, the locking pieces 12
The upper leg portions 23, 23A of the leg rods do not come off from A. In addition, the top plate 1 is composed of divided top plate portions 11 and 11A that are assembled in abutting relationship with each other.
Wall 16 provided at the abutting position of
The wall 16 at the abutting portion 11A is engaged with the groove 26, which is a concave engaging portion of the support member, and the support member is positioned in the longitudinal direction. Further, the top plate 1 is composed of divided top plate portions 11 and 11A which are assembled with each other, and the convex engagement portion is formed of the divided top plate portion 1.
A wall portion 16 is provided at the abutting portion of the first and 11A. The wall portion 16 is provided on each of the divided top plate portions 11 and 11A, and the abutting wall portions 16 and 16 are fitted into the groove portions 26. The two wall portions 16, 16 at the abutting portion of the divided top plate portions 11, 11A are engaged with the groove portions 26 of the support member, and the support member is positioned in the length direction. Also, since both the wall portions 16 and 16 fit into the groove portions 26,
Opening of the abutting portion between the two divided plate portions 11, 11A provided with the both wall portions 16, 16 is prevented. Further, the top plate 1 is composed of divided top plate portions 11 and 11A assembled with each other,
The convex engaging portions are the walls 16, 16 provided at the abutting portions of the divided top plates 11, 11A, and the engaging pieces 12, 12A serving as the engaging portions are respectively provided on the divided top plates 11, 11A. A stopper 15 is provided, and the support members are locked by locking pieces provided on the divided top plate portions 11 and 11A, respectively, and are stopped by the stoppers 15, respectively. Can be supported. Further, a retaining portion 154 that can be moved to a restricted position and a non-restricted position for preventing the support member from coming off from the retaining piece 12A serving as a retaining portion, and the retaining portion 154 is urged toward the regulating portion and A coil spring 157, which is a biasing means that allows the retaining portion 154 to move to the non-restricted position by pressing the retaining portion 154, and an operating portion 152 that moves the retaining portion 154 to the non-restricted portion. The leg 2 serving as a support member is fixed, and the top 1 is covered so that the retaining portion 154 is pushed to the non-restricted position by the leg upper portion 23A.
The upper leg 23A can be locked to the locking piece 12A. Further, by operating the operation section 152, the upper leg portion 23A of the leg 2 can be removed from the locking piece 12A. Moreover, the split top plate 1
A positioning display section 17 for performing mutual alignment is provided on the first and the 11A, and an operation section 152 of the stopper 15 is disposed near the periphery of the lower surface of the top 1 so that the upper surfaces of the divided tops 11 and 11A are directed upward. With the positioning display 17, the split top 1
1,11A comrades are aligned, and the positioning display 17
Can be used for positioning when assembling the top plate 1 and the support member. Moreover, the top plate 1 is made of synthetic resin,
A reinforcing pipe frame 14 serving as a reinforcing pipe is provided on the lower surface of the top plate 1, and the reinforcing pipe frame 14 is in contact with the legs 21 and 21A in the cross direction, and the legs 21 and 21A are attached to the reinforcing pipe frame 14. Therefore, the load can be favorably supported, and even if the top plate 1 made of a relatively wide synthetic resin is used, the required strength can be obtained while suppressing the wall thickness.

Another effect of the embodiment is that the seat
In a seat back storage device in which a top plate 1 as a storage object is detachably mounted in a storage portion 3 provided on a backrest 102 and a back surface 103 of a 101, a support bracket 61 provided below the storage portion 3 and supporting the top plate 1 is provided. And a rotation stopper 55 provided at an upper portion of the storage section 3 and serving as an upper stopper which is locked to an upper outer side of the top plate 1. The lower portion of the top plate 1 is supported by a support bracket 63, and the upper portion of the top plate 1 The top plate 1 can be housed by being locked by the rotation stopper 55 which is locked to the outside thereof. Also,
If the locking of the rotation stopper 55 is released, the top plate 1 can be removed as it is. Also, since the upper stopper is the rotation stopper 55, by rotating the rotation stopper 55,
Locking of the top plate 1 to the upper outside and release of the locking can be easily performed. Further, since the upper and lower sides of the fixing bracket 51 are fixed to the frame frame 104 as the frame of the seat 101, and the rotation stopper 55 and the support bracket 61 as the upper stopper are fixed to the fixing bracket 51, the rotation stopper 55 and the support The force applied to the bracket 61 is entirely supported by the upper and lower portions of the frame 104 by the fixing bracket 51, and the strength is excellent. The storage object is a top plate 1 including two divided top plates 11 and 11A. The divided top plates 11 and 11A are overlapped, and a support bracket 61 is attached to the lower inner surface of the outer divided top plate 11. Is provided, the relatively large top plate 1 can be divided and stored in a compact manner. Then, the outer divided top plate 11
Since the support bracket 61 is locked to the inner surface of the lower part of the bracket, the locked portion of the support bracket 61 is hidden by the outer divided top plate portion 11 at the time of storage and a structure that is not exposed is obtained. Further, a seat back cover 106 serving as a back cover body is provided outside the fixing bracket 61, and the rotation stopper 55 and the support bracket 61 serving as an upper stopper are fixed to the fixing bracket 61 from the outer surface of the seat back cover 106. bracket
The cover 61 is covered by the seat back cover 106 and hidden inside the backrest 102. From the outer surface of the seat back cover 103, the rotation stopper 55 and the support bracket 61 are fixed to the fixing bracket 61.
61 is attached integrally. Further, a female screw hole 512 is provided on the fixing bracket 51 side, and a hole 106K is formed in the seat back cover 106 corresponding to the female screw hole 512 so as to correspond to the female screw hole 512. Are inserted through the holes 106K, and the female screw holes 512
The fixing bracket 51 is fixed to the fixing bracket 51 by a bolt 522 which is a screw means screwed into the backrest 102, and the fixing bracket 51 is covered with the seat back cover 106 and is hidden inside the backrest 102. From the outer surface of the seat back cover 106, the bolt 522 is fixed. Accordingly, the rotation stopper 55 and the support bracket 61 can be integrally attached to the fixing bracket 51 on the inner surface side of the seat back cover 106.

The present invention is not limited to the above embodiment, and various modifications can be made within the scope of the present invention. For example, the rotation stopper may be locked on the upper side of the divided top plate. Further, the legs are not limited to those of the embodiment, and various types of legs can be stored.

[0063]

According to the first aspect of the present invention, there is provided a storage portion provided on the back of a seat back, and a table top plate detachably attached to the storage portion, and a lower portion of the top plate is provided in the storage portion. A seat table storage device for supporting and storing, wherein a divided top plate portion is formed by dividing the top plate, and the divided top plate portions are stored in the storage portion together with the lower surfaces thereof, and the outer divided portion is formed. An upper stopper that locks to the upper outer side of the top plate is provided on the seat, and a wall is formed on the lower surface of the edge of the divided top plate so that lower ends thereof abut against each other in accordance with the locking position of the upper stopper. Thus, it is possible to provide a seat table storage device in which the strength of the locking portion of the upper stopper is excellent and a stable storage state can be obtained.

According to a second aspect of the present invention, the upper stopper is a rotation stopper, and the rotation stopper is engaged with the outer engaging recess of the outer divided top plate. It is possible to provide a seat table storage device that is excellent in part strength and can obtain a stable storage state.

According to a third aspect of the present invention, an inner engaging recess is provided in the inner divided top plate portion corresponding to the upper stopper, and a contact portion with which the inner engaging recess abuts is provided in the housing portion. , The strength of the locking portion of the upper stopper is excellent, and a stable table storage device can be provided.

According to a fourth aspect of the present invention, the divided top plate portion is provided with a wall around which edges are attached to each other in a superimposed state. It is possible to provide a seat table storage device that is excellent in strength and can obtain a stable storage state.

Further, according to the fifth aspect of the present invention, the reinforcing pipe is provided on the lower surface of the divided top plate portion, and the seat at which the locking portion of the upper stopper is excellent in strength and can be stably stored is obtained. Table storage device can be provided.

Further, according to the invention of claim 6, the divided top plate is assembled to the top plate by abutting the side surfaces of the wall, and the upper stopper is excellent in strength and stable in the locking portion. A seat table storage device capable of obtaining a storage state can be provided.

Further, according to the present invention, the legs are housed between the inner divided top plate portion and the housing portion, and the locking portion of the upper stopper is excellent in strength and is stably housed. A seat table storage device capable of obtaining a state can be provided.

Further, according to the invention of claim 8, the leg is connected to the storage portion.

Further, according to the ninth aspect of the present invention, the leg is a pair of leg rods pivotally connected in an intersecting state and configured to be foldable. A seat table storage device capable of obtaining a state can be provided.

Further, according to the tenth aspect of the present invention, the leg rods can be folded in a plane, the strength of the locking portion of the upper stopper is excellent, and a stable storage state can be obtained. Can be provided.

[Brief description of the drawings]

FIG. 1 is an overall sectional view showing a stored state according to an embodiment of the present invention.

FIG. 2 is an overall cross-sectional view of the same in use.

FIG. 3 is an overall sectional view of a usage state before the top plate is assembled.

FIG. 4 is an overall cross-sectional view of a use state showing a cross section in the length direction of the top plate according to the first embodiment.

FIG. 5 is a plan view of the leg in the folded state according to the first embodiment;

FIG. 6 is a sectional view of a main part of the leg rod according to the first embodiment;

FIG. 7 is a cross-sectional view of the upper bracket.

FIG. 8 is a perspective view of the upper bracket.

FIG. 9 is an exploded perspective view of the fixed base of the rotation stopper and the rotation lock.

FIG. 10 is an overall explanatory diagram of a use state according to the embodiment.

FIG. 11 is a bottom view of one of the disassembled top plates.

FIG. 12 is a cross-sectional view of one of the disassembled top plates.

FIG. 13 is a plan view of a main part of one of the disassembled top plates.

FIG. 14 is a plan view of the other divided top plate according to the first embodiment;

FIG. 15 is a perspective view illustrating an operation of removing the seat back cover.

FIG. 16 is a perspective view illustrating an operation of forming a through hole in the seat back cover.

FIG. 17 is a perspective view illustrating an operation of attaching the grommet to the seat back cover.

FIG. 18 is a perspective view illustrating an operation of attaching a suspension nut to the frame according to the first embodiment.

FIG. 19 is a perspective view illustrating an operation of attaching the fixing bracket.

FIG. 20 is a perspective view for explaining the operation of attaching the upper bracket.

FIG. 21 is a perspective view for explaining the operation of attaching the support bracket and the connection fitting.

FIG. 22 is a perspective view for explaining a storing operation of the divided top plate part.

FIG. 23 is a perspective view illustrating a locking operation using a rotation stopper according to the third embodiment.

[Explanation of symbols]

1 Top plate 11, 11A Split top plate 114 Outer engagement recess 115 Inner recess 14 Reinforcement pipe frame (reinforcement pipe) 16 Wall 16A wall 162 sides 2 legs 3 storage 55 Rotation stopper (upper stopper) 543 abutment

Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) A47C 1/00-31/12 B60N 2/00-2/54 A47B 1/00-41/06

Claims (10)

(57) [Claims] 1. A storage portion provided on the back of a seat back,
A table top detachably mounted in the storage section, a table storage apparatus for a seat for storing and supporting a lower portion of the table in the storage section, wherein the divided top plate is divided A lower portion of the divided top plate portion is accommodated in the storage portion, and an upper stopper which is engaged with an upper outer portion of the outer divided top plate portion is provided on the seat. A seat table storage device, wherein a wall portion is formed at the lower surface of the edge of the divided top plate portion corresponding to the stop position, at which lower ends of the divided top plate portions are abutted. 2. The seat table storage device according to claim 1, wherein the upper stopper is a rotation stopper, and the rotation stopper is engaged with an outer engagement recess of the outer divided top plate portion. 3. An inner engaging concave portion is provided in the inner divided top plate portion corresponding to the upper stopper, and a contact portion with which the inner engaging concave portion abuts is provided in the storage portion. The seat table storage device according to claim 1 or 2, wherein: 4. The split top plate portion according to claim 1, wherein a wall portion whose edges are attached to each other in a superposed state is provided around the divided top plate portion. Table storage device for seats. 5. The seat table storage device according to claim 4, wherein a reinforcing pipe is provided on a lower surface of the divided top plate portion. 6. The seat table storage device according to claim 4, wherein the divided top plate portion is assembled to the top plate by abutting side surfaces of the wall portion. 7. The seat table storage device according to claim 1, wherein a leg is stored between the inner divided top plate portion and the storage portion. 8. The seat table storage device according to claim 7, wherein the leg is connected to the storage portion. 9. The seat table storage device according to claim 8, wherein the leg is a pair of leg rods pivotally connected in a crossed state and configured to be foldable. 10. The seat table storage device according to claim 9, wherein said leg rods are foldable in a plane.