JP3205058U - Simple chair - Google Patents

Abstract

[PROBLEMS] To provide a simple chair that is suitable for carrying and the like, and can save time and labor for assembly and storage during use and carrying. A simple chair 10 includes a rectangular top plate 12, a first side plate 30 bent at opposite sides 14A and 14B, and a second side plate 56 continuously formed on the first side plate. Is done. The second side plate is bent at the side ends 32 </ b> A, 32 </ b> B, 52 </ b> A and the fourth bent portion 42. The bent pieces 44 and 64 are bonded to form side reinforcing portions 48 and 68 and receive the back surface of the top plate 12. The top plate is provided with openings 20A and 20B. When carrying, the top plate is carried in a state where the center of the top plate is folded. [Selection] Figure 1

Description

  The present invention relates to a simple chair suitable for carrying and the like.

  As a portable portable chair that can be carried, for example, there is a cardboard simple chair shown in Patent Document 1 below. In Patent Document 1, a simple chair made of corrugated cardboard is provided with triangles at the four corners so that the end of the seating surface becomes strong, and a chair is completed by inserting leg plates bent into a Japanese character shape inside the triangle. Is disclosed. When carrying, the leg plate is pulled out and folded into an accordion, and put in a place where it is pulled out and sandwiched between rubber bands to prevent loss. Moreover, the assembly-type simple chair shown in the following Patent Document 2 raises a blank sheet folded in an N shape so that the inner surfaces of the pedestal plates face each other, and a folding line at the boundary between the second wall plate and the third wall plate And the upper surface of the two triangular prisms produced by bringing the folding line at the boundary between the fifth wall plate and the sixth wall plate into contact with each other, and the base plate folded along the horizontal folding line is covered. The insertion piece slit provided in the insertion piece connected to is inserted into and engaged with the wall plate slit.

JP 2006-116281 A JP 2006-198289 A

  However, in the technique described in Patent Document 1 described above, an assembling work of inserting a leg plate is necessary when used. Further, when carrying, it takes time and effort to pull out the leg plate and sandwich it with a rubber band. On the other hand, in the technique described in Patent Document 2, since it is composed of a single sheet, there is no need to sandwich a plurality of members with a rubber band, but in use, it is bent along a fold line to engage the insertion piece with the slit. It takes time to assemble. Moreover, when carrying, it takes time and effort to disengage and fold.

  The present invention focuses on the above points, and is suitable for carrying, etc., and its purpose is to provide a simple chair that can save time and labor of assembling and folding during use and carrying. To do.

  The present invention provides a substantially rectangular top plate in which a pair of first opposite sides and a pair of second opposite sides intersect at a right angle, and a first plate formed at the center of the top plate in parallel with the pair of first opposite sides. A pair of first side plates that are continuous with the top plate and that can be bent with respect to the top plate, with the pair of first opposite sides as a second bent portion. A second side plate that is continuous with both side ends of the first side plate, a boundary between the pair of first side plates and the second side plate, on an extension line of the pair of second side plates Formed between the third bent portion, the side edge of the second side plate, and the third bent portion, in parallel with the third bent portion and in the opposite direction. A side bent piece formed between the side bent end of the second side plate and the fourth bent portion; Serial has the other side surface for bending piece opposite the adhered side reinforcing section, the across the top panel, characterized in that the whole is formed of cardboard.

  One of the main forms is that the top plate is continuous with the top plate, and the top plate bending piece that can be bent with respect to the top plate, with the pair of second opposite sides serving as fifth bent portions. It has the top-plate reinforcement part adhere | attached on the back surface of the board, It is characterized by the above-mentioned. One of the other forms is continuous with the pair of first side plates, and can be bent with respect to the first side plate with the lower end portion of the first side plates as a sixth bent portion. The bottom bent piece has a bottom reinforcing portion bonded to the back surface of the first side plate. One of the other forms is characterized by having gripping openings formed on both sides of the first bent portion of the top plate. The above and other objects, features, and advantages of the present invention will become apparent from the following detailed description and the accompanying drawings.

  According to the present invention, the pair of first opposite sides and the pair of second opposite sides are formed in a substantially rectangular top plate at a right angle, and formed in the center of the top plate in parallel with the pair of first opposite sides. A pair of first side plates that are continuous with the top plate and that can be bent with respect to the top plate, with the pair of first opposite sides serving as second bent portions, A second side plate that is continuous with both side edges of the pair of first side plates, and a boundary between the pair of first side plates and the second side plate, and Formed between the third bent portion formed on the extension line, the side end of the second side plate, and the third bent portion, in parallel with the third bent portion, and A fourth bent portion that is bent in the opposite direction, and a side-side bent formed between a side end of the second side plate and the fourth bent portion. And a side reinforcing section adhered to the other side surface for bending pieces facing each other across the top board has a, it was decided to form a total of cardboard.

  For this reason, the cardboard sheet is folded at a predetermined position in advance, and a bending piece for reinforcement is adhered, so that it can be used as a chair by simply sitting and sitting in use, and it can be folded into a compact state when carried. Therefore, a convenient portable chair can be obtained.

It is a figure which shows the state which uses the simple chair of Example 1 of this invention as a chair. It is a figure which shows the folding of the simple chair of the said Example 1, and the mode of carrying. It is the external appearance perspective view which looked at the simple chair of the said Example 1 from the bottom face side. It is an expanded view of the cardboard sheet | seat which comprises the simple chair of the said Example 1. FIG. It is a figure which shows an example of the assembly procedure of the simple chair of the said Example 1. FIG.

  Hereinafter, the best mode for carrying out the present invention will be described in detail based on examples.

  First, Embodiment 1 of the present invention will be described with reference to FIGS. The simple chair of the present invention is a chair with a simple structure suitable for carrying in baseball games or cherry-blossom viewing, and is composed entirely of corrugated cardboard. Is. FIG. 1 is a diagram illustrating a state in which the simple chair of this embodiment is used as a chair. FIG. 2 is a diagram illustrating a state where the simple chair according to the present embodiment is folded and carried. FIG. 3 is an external perspective view of the simple chair of this embodiment as viewed from the bottom side. FIG. 4 is a development view of the cardboard sheet constituting the simple chair of the present embodiment. FIG. 5 is a diagram showing an example of the procedure for assembling the simple chair of this embodiment.

  As shown in FIGS. 1-3, the simple chair 10 of a present Example is the top plate 12 used as a seat surface, a pair of 1st side plate 30,50, and several 2nd side plate 36,38. , 56, 58 and side reinforcing portions 48, 68. Further, in this embodiment, in order to further enhance the strength when used as a chair, the top plate 12 is also provided with top plate reinforcing portions 76A, 76B, 78A, 78B, and also on the bottom side when used as a chair. The bottom surface reinforcing portions 84 and 88 are provided.

  The top plate 12 is formed in a substantially rectangular shape in which a pair of first opposite sides 14A and 14B and a pair of second opposite sides 16A and 16B intersect at right angles. A pair of first bent portions 18A and 18B are formed in the center of the top plate 12 in parallel with the pair of first opposite sides 14A and 14B. The first bent portions 18A and 18B are formed in parallel at a predetermined interval. This considers the thickness of the cardboard when the simple chair 10 is folded. The top plate 12 is provided with gripping openings 20A and 20B on both sides of the first bent portions 18A and 18B.

  A pair of first side plates 30 and 50 that can be bent with respect to the top plate 12 are continuously formed on the top plate 12 with the pair of first opposite sides 14A and 14B as second bent portions. Yes. The first side plates 30 and 50 are rectangular in the illustrated example, and the second side plates 36, 38, 56, and 58 are disposed at both ends of the pair of first side plates 30 and 50, respectively. Are continuously formed. Specifically, second side plates 36 and 38 are continuously formed on both side ends 32A and 32B of one first side plate 30, and both side ends 52A and 52B of the other first side plate 50 are Second side plates 56 and 58 are continuously formed (see FIG. 4).

  A third bent portion is formed at a boundary between the first side surface plate and the second side surface plate, and on a line extending the pair of second opposite sides 16A and 16B. That is, both side ends 32A and 32B of the first side plate 30 and both side ends 52A and 52B of the first side plate 50 are the third bent portions. Between the side ends 36A, 38A, 56A, 58A of the second side plates 36, 38, 56, 58 and the side ends 32A, 32B, 52A, 52B of the first side plates 30, 50, respectively. The fourth bent portions 40, 42, 60, 62 are formed parallel to these side ends and bent in the opposite direction to the side ends 32A, 32B, 52A, 52B.

  The bent pieces 44, 46, 64, 66 formed by bending the second side plates 36, 38, 56, 58 along the fourth bent portions 40, 42, 60, 62 are The side reinforcing portions 48 and 68 are formed by bonding with other bent pieces facing each other with the top plate 12 interposed therebetween. Specifically, the side reinforcing part 48 is formed by bonding the bent piece 44 and the bent piece 64, and the side reinforcing part 68 is formed by bonding the bent piece 46 and the bent piece 66.

  In the present embodiment, the top plate 12 is also provided with a reinforcing portion. As shown in FIGS. 3 and 4, the top plate folding pieces 70 </ b> A, which can be folded on the pair of second opposite sides 16 </ b> A and 16 </ b> B of the top plate 12 with the pair of opposite sides 16 </ b> A and 16 </ b> B as a fifth bent portion. 70B, 72A, and 72B are continuously formed, and these are adhered to the back surface 12B of the top plate 12 to form the top plate reinforcing portions 76A, 76B, 78A, and 78B.

  Furthermore, in this embodiment, a bottom surface reinforcing portion is also provided on the bottom surface side when the simple chair 10 is used as a chair. As shown in FIGS. 3 and 4, bottom-side bent pieces 80 and 82 that can be bent at the lower ends 34 and 54 of the pair of first side plates 30 and 50 using the lower ends 34 and 54 as sixth bent portions. Are continuously formed. And these bottom face side bending pieces 80 and 82 are adhere | attached inside the 1st side surface board 30 and 50, and the bottom face reinforcement parts 84 and 86 are formed. Each of the above portions is formed by bending and bonding a single cardboard sheet 100 as shown in FIG.

  Next, with reference to FIG.4 and FIG.5, the assembly procedure of the simple chair 10 of a present Example is demonstrated. First, as shown in FIG. 4, the top plate 12, the first side plates 30, 50, the second side plates 36, 38, 56, 58, and the top plate bent pieces 70A, 70B, 72A, 72B. Then, a corrugated cardboard sheet 100 in which the bottom bent pieces 80 and 82 are continuous is prepared. At appropriate portions of the corrugated cardboard sheet 100, first opposite sides 14A and 14B (second bent portions) serving as bent portions, first bent portions 18A and 18B, and second opposite sides 16A and 16B (fifth) are provided. ), Side ends (third bent portions) 32A, 32B, 52A, 52B, fourth bent portions 40, 42, 60, 62, and lower ends 34, 54 serving as sixth bent portions. A crease line is formed at a corresponding position by a crease forming process or the like.

  In the top plate 12, openings 20A and 20B are formed on both sides of the first bent portions 18A and 18B. Further, when the openings 20A and 20B are divided into two at the center so that the ends of the folding pieces 70A, 70B, 72A and 72B for the top plate are not blocked when folded. A notch 74 having the same shape as is formed.

  Then, as shown in FIG. 5 (A), the top plate folding pieces 70A and 70B are folded back to the back surface 12B side of the top plate 12 along the second opposite sides 16A and 16B (fifth bent portions). The top plate reinforcing portions 76A and 76B are formed by bonding to the back surface 12B. Similarly, on the opposite side, the folding pieces 72A and 72B for the top plate are folded back to the top plate back surface 12B side along the second opposite sides 16A and 16B (fifth bent portions) and adhered to the back surface 12B by adhesion or the like. The top plate reinforcing portions 78A and 78B are formed. At this time, since the notches 74 are provided at the ends of the top plate bending pieces 70A, 70B, 72A, 72B, the openings 20A, 20B are not blocked. Further, as shown in FIG. 5A, the bottom side bent pieces 80 and 82 are arranged along the lower ends 34 and 54 (sixth bent portions) of the first side plates 30 and 50 with the first side plate. The bottom reinforcing portions 84 and 86 are formed by folding back and bonding to the back sides of the 30 and 50.

  Next, as shown in FIG. 5B, the second side plates 36, 38, 56, and 58 are moved along the side edges 32A, 32B, 52A, and 52B that are the third bent portions. The side plates 30 and 50 are bent to the back side. Then, the second side plates 36, 38, 56, 58 are bent along the fourth bent portions 40, 42, 60, 62 in the direction opposite to the third bent portion, and the side bent pieces 44 are formed. , 46, 64, 66 are formed.

  Then, as shown in FIG. 5C, the first side plates 30 and 50 are bent along the first bent portions 18A and 18B, and the side-side bent pieces facing each other with the top plate 12 interposed therebetween. Glue. Specifically, the side bent piece 44 on the first side plate 30 side and the side bent piece 64 on the second side plate 50 side are bonded, and the side bent piece 46 on the first side plate 30 side is bonded. Then, the side bent piece 66 on the second side plate 50 side is bonded. Thereby, as shown in FIG.5 (D), the side surface reinforcement parts 48 and 68 are formed. Finally, as shown in FIG. 5 (E), when a crease is attached along the first opposite sides 14A and 14B (second bent portions), the simple chair 10 is completed.

  As shown in FIGS. 2 (B) and 2 (C), the simple chair 10 formed as described above can be carried in a folded and compact state if the openings 20A and 20B are held together. . In addition, when used as a chair, the first bent portion is placed at the place of use in the state shown in FIG. 2 (A), and the user 90 simply sits on the top plate 12 as shown in FIG. 1 (B). Since the top plate 12 is flatly opened by the weight of the user 90 from the state bent at 18A and 18B, it can be used immediately as a chair without any particular assembly work.

  When the device is used and stands up, the state shown in FIG. 2 (A) is obtained. The simple chair 10 as described above is strong and strong because the back side 12B of the top plate 12 is received by the second side plates 36, 38, 56, 58 and the side reinforcing portions 48, 68 that have entered inside. . In addition, since the top plate reinforcing portions 76A, 76B, 78A, 78B are provided on the back surface of the top plate 12, and the bottom surface reinforcing portions 84, 86 are also provided on the bottom surface side, the strength is further increased, and repeated use is also possible. I can bear it.

Thus, according to the first embodiment, there are the following effects.
(1) The cardboard sheet 100 is folded at a predetermined position in advance, and a bending piece for reinforcement is adhered, so that it can be used as a chair simply by being placed and seated during use, and is folded into a compact state when carried. be able to. For this reason, it is possible to save time and labor for assembling and storing during use and carrying, and it is highly convenient as a portable chair.
(2) Since the second side plates 36, 38, 56, 58 are bent inward and the ends thereof are bent and bonded to the opposite side to provide the side reinforcing portions 48, 68, a plurality of back surfaces of the top plate 12 are provided. It can be received at a location and has high strength when used.
(3) Since the top plate folding pieces 70A, 70B, 72A, 72B are bent and bonded to the back surface of the top plate 12, the strength of the top plate 12 itself can be increased.
(4) The bottom side folding pieces 80 and 82 are bent along the lower ends 34 and 54 of the first side plates 30 and 50 and bonded to the back surfaces of the first side plates 30 and 50, so that Since the bottom surface side has a double structure, the strength on the bottom surface side can be increased.
(5) Since the top plate 12 is provided with the openings 20A and 20B, the top plate 12 can be used as a grip when carrying.

In addition, this invention is not limited to the Example mentioned above, A various change can be added in the range which does not deviate from the summary of this invention. For example, the following are also included.
(1) The shapes and dimensions shown in the above embodiments are examples, and may be appropriately changed as necessary.
(2) In the above embodiment, the simple chair 10 is formed from the cardboard sheet 100. However, various known cardboards can be used.
(3) The side reinforcing portions 48 and 68, the top plate reinforcing portions 76A, 76B, 78A and 78B and the bottom reinforcing portions 84 and 86 shown in the above embodiment are also examples, and the dimensions and bonding methods of the bent pieces are the same. The range can be appropriately changed within the range where the above-described effects are exhibited.
(4) The simple chair of the present invention is suitable for use as a portable chair for outdoor use, such as watching baseball games and cherry-blossom viewing, but can be widely used indoors and elsewhere.

  According to the present invention, the pair of first opposite sides and the pair of second opposite sides are formed in a substantially rectangular top plate at a right angle, and formed in the center of the top plate in parallel with the pair of first opposite sides. A pair of first side plates that are continuous with the top plate and that can be bent with respect to the top plate, with the pair of first opposite sides serving as second bent portions, A second side plate that is continuous with both side edges of the pair of first side plates, and a boundary between the pair of first side plates and the second side plate, and Formed between the third bent portion formed on the extension line, the side end of the second side plate, and the third bent portion, in parallel with the third bent portion, and A fourth bent portion that is bent in the opposite direction, and a side-side bent formed between a side end of the second side plate and the fourth bent portion. And a side reinforcing section adhered to the other side surface for bending pieces facing each other across the top board has a, it was decided to form a total of cardboard.

  For this reason, the cardboard sheet is folded at a predetermined position in advance, and a bending piece for reinforcement is adhered, so that it can be used as a chair by simply sitting and sitting in use, and it can be folded into a compact state when carried. Therefore, it is highly convenient and can be applied to simple chairs. In particular, it is suitable for use as a portable simple chair used for watching baseball games or cherry-blossom viewing.

10: Simple chair 12: Top plate 12A: Front surface 12B: Back surface 14A, 14B: First opposite side (second bent portion)
16A, 16B: second opposite side (fifth bent portion)
18A, 18B: 1st bending part 20A, 20B: Opening part 30, 50: 1st side plate 32A, 32B, 52A, 52B: Side end (3rd bending part)
34, 54: lower end (sixth bent portion)
36, 38, 56, 58: 2nd side plate 36A, 38A, 56A, 58A: Side end 40, 42, 60, 62: 4th bending part 44, 46, 64, 66: Bending piece 48, 68: Side reinforcement part 70A, 70B, 72A, 72B: Bending piece 74: Notch 76A, 76B, 78A, 78B: Top plate reinforcement part 80, 82: Bending piece 84, 86: Bottom reinforcement part 90: User 100: Corrugated cardboard sheet

Claims (4)

A substantially rectangular top plate in which a pair of first opposite sides and a pair of second opposite sides intersect at right angles;
A first bent portion formed in the center of the top plate in parallel with the pair of first opposite sides;
A pair of first side plates that are continuous with the top plate, and can be bent with respect to the top plate, with the pair of first opposite sides as second bent portions;
A second side plate that is continuous with both side ends of the pair of first side plates;
A third bent portion formed between the pair of first side plates and the second side plate on an extension line of the pair of second opposite sides;
A fourth bent portion that is formed between the side edge of the second side plate and the third bent portion, and is bent in the opposite direction in parallel with the third bent portion;
A side reinforcing portion in which a side bent piece formed between a side end of the second side plate and the fourth bent portion is bonded to another side bent piece facing the top plate;
Have
A simple chair that is entirely made of cardboard. A top plate, which is continuous with the top plate and has a pair of second opposite sides as a fifth bent portion, and which can be bent with respect to the top plate is bonded to the back surface of the top plate. Plate reinforcement,
The simple chair according to claim 1, comprising: The bottom bent piece that is continuous with the pair of first side plates, and that can be bent with respect to the first side plate, with the lower end of the first side plate being a sixth bent portion, A bottom reinforcing portion bonded to the back surface of the first side plate,
The simple chair according to claim 1 or 2, characterized by comprising: Gripping openings formed on both sides of the first bent portion of the top plate,
The simple chair according to any one of claims 1 to 3, characterized by comprising:

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