Combined furniture
The system of single-seat chairs connected by bolts and nuts allows customizable seat arrangements and additional furniture, addressing the limitations of fixed-length and fixed-number conventional combined furniture.
Patent Information
- Application Number
- JP2025001460U
- Authority / Receiving Office
- JP · JP
- Patent Type
- Utility models
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2035-05-09
AI Technical Summary
Conventional combined furniture, such as L-shaped sofas, have fixed bench sofa lengths and predetermined seat numbers, limiting user flexibility in seat arrangement and number.
A system of single-seat chairs connected by a lateral connecting member using bolts and embedded nuts, allowing configuration in a single row, L-shape, or U-shape, with optional wide chairs and additional furniture pieces made of the same material.
Enables customizable seat arrangements and inclusion of additional furniture, providing flexibility and convenience in configuring the desired number and type of seats and furniture.
Smart Images

Figure 0003251897000001_ABST
Abstract
Description
Technical Field
[0001] The present invention mainly relates to a combined furniture capable of connecting a plurality of chairs to form a desired arrangement.
Background Art
[0002] Conventionally, as this type of combined furniture, for example, there is an invention described in Utility Model Registration No. 3242869. That is, this conventional combined furniture (combined sofa) can be used as an L-shaped sofa by arranging one bench sofa and the other bench sofa so as to be substantially orthogonal to each other. The seat body of one bench sofa can change its position in the longitudinal direction of the sofa body, and the sofa body has main body side coupling parts for attaching partition bodies at both longitudinal ends. The partition body has a partition body side coupling part that couples with the main body side coupling part. In a state where the seat body of one bench sofa is placed close to one end side in the longitudinal direction of the sofa body, the partition body side coupling part is coupled to the main body side coupling part provided at the other end side in the longitudinal direction of the sofa body, thereby being fixed to the sofa body. The other bench sofa is configured to be arranged in contact with the end where the partition body 25 of one bench sofa is attached.
Prior Art Documents
Patent Documents
[0003]
Patent Document 1
Summary of the Invention
Problems to be Solved by the Invention
[0004] However, the conventional combined furniture (combined sofa) has bench sofas arranged at a substantially right angle to each other, and since the length of the bench sofa is fixed, it cannot be adjusted and arranged to the length required by the user. Furthermore, since the bench sofas are arranged at a substantially right angle to each other, the number of seats is a predetermined number, so it is not very convenient.
[0005] The present invention has been made in view of such points, and its object is to provide combined furniture that can be configured in the number of seats and arrangement design desired by the user by connecting the necessary number of seats in a single row, in series, in an L-shape, or in a U-shape in combined furniture.
[0006] Another object of the present invention is to provide furniture other than chairs and sofas, which are highly necessary, under a unified design in the combined furniture.
Means for Solving the Problems
[0007] The combined furniture according to claim 1 is provided with a plurality of single-seat chairs and a connecting member for connecting the single-seat chairs in the lateral direction, and the connecting member can connect and fix the single-seat chairs adjacent to each other in a single row, in series, in an L-shape, or in a U-shape by bolts and embedded nuts.
[0008] In the combined furniture according to claim 1, since it is provided with a plurality of single-seat chairs and a connecting member for connecting the single-seat chairs in the lateral direction, and the connecting member can connect and fix the single-seat chairs adjacent to each other in a single row, in series, in an L-shape, or in a U-shape by bolts and embedded nuts, the necessary number of seats desired by the user can be configured in the desired arrangement by connecting the single-seat chairs in a single row, in series, in an L-shape, or in a U-shape.
[0009] The combined furniture according to claim 2, in addition to the combined furniture according to claim 1, the single-seat chair includes a wide single-seat chair having an auxiliary member placement portion extended in the width direction of the seat surface, the wide single-seat chair includes a backrest member fixed to the auxiliary member placement portion, and the wide single-seat chair provided with the backrest member is characterized in that when the single-seat chair is connected in an L shape or a U shape, it is arranged and connected at the connecting corner portion.
[0010] In the combined furniture according to claim 2, it includes a plurality of single-seat chairs and a connecting member for connecting the single-seat chairs in the lateral direction. When the connecting member uses bolts and embedded nuts to connect and fix the single-seat chairs in an L shape or a U shape, a wide single-seat chair having an auxiliary member placement portion extended in the width direction of the seat surface can be arranged at the connecting corner portion, and the wide single-seat chair is provided with a backrest member fixed to the auxiliary member placement portion. Thus, the single-seat chairs can be easily connected in an L shape or a U shape, and can be configured into the arrangement desired by the user.
[0011] The combined furniture according to claim 3, in the combined furniture according to claim 1 or 2, the single-seat chair includes a wide single-seat chair having an auxiliary member placement portion extended in the width direction of the seat surface, the wide single-seat chair includes an armrest member fixed to the auxiliary member placement portion, and the wide single-seat chair provided with the armrest member is characterized in that when the single-seat chair is connected in an L shape or a U shape, it is arranged and connected at the end portion.
[0012] In the combined furniture according to claim 3, it includes a plurality of single-seat chairs and a connecting member for connecting the single-seat chairs in the lateral direction. When the connecting member uses bolts and embedded nuts to connect and fix the single-seat chairs, a wide single-seat chair provided with the armrest member can be arranged at the end chair, and the necessary number of seats desired by the user can be configured into a useful arrangement desired by the user by connecting the single-seat chairs singly, in series, in an L shape or a U shape.
[0013] The combined furniture according to claim 4 is the combined furniture according to claim 1 or 2, and includes one or more pieces of furniture such as a table, a side table, or a doghouse, the main part of which is made of the same material and the dimensions of which are also configured according to the single-seat chair, and is characterized in that it is a combined furniture.
[0014] The combined furniture according to claim 5 is the combined furniture according to claim 3, and includes one or more pieces of furniture such as a table, a side table, or a doghouse, the main part of which is made of the same material and the dimensions of which are also configured according to the single-seat chair, and is characterized in that it is a combined furniture.
[0015] In the combined furniture according to claim 4 or 5, in the combined furniture, not only chairs and sofas but also other highly necessary furniture besides chairs and sofas can be provided under a unified design.
Effect of the Invention
[0016] According to the combined furniture according to claim 1, it includes a plurality of single-seat chairs and a connecting member for connecting the single-seat chairs in the lateral direction. The connecting member can connect and fix the single-seat chairs adjacent to each other in a series, L-shaped, or U-shaped manner by bolts and embedded nuts. Since it includes a plurality of single-seat chairs and a connecting member for connecting the single-seat chairs in the lateral direction, and the connecting member can connect and fix the single-seat chairs adjacent to each other in a series, L-shaped, or U-shaped manner by bolts and embedded nuts, the user can configure the necessary number of seats desired by the user into the arrangement desired by the user by connecting the single-seat chairs singly, in series, L-shaped, or U-shaped.
[0017] According to the combined furniture according to claim 2, in addition to the combined furniture according to claim 1, the single-seat chair includes a wide single-seat chair having an auxiliary member placement portion that expands in the width direction of the seat surface. The wide single-seat chair includes a backrest member fixed to the auxiliary member placement portion. The wide single-seat chair having the backrest member is arranged and connected at the connecting corner when the single-seat chairs are connected in an L-shape or a U-shape. Therefore, the single-seat chairs can be easily connected in an L-shape or a U-shape, and the user can configure the arrangement desired by the user.
[0018] According to the combined furniture described in claim 3, in addition to the combined furniture described in claim 1 or 2, the single-seat chair includes a wide single-seat chair having an auxiliary member placement portion that extends in the width direction of the seat surface. The wide single-seat chair includes an armrest member that is fixed to the auxiliary member placement portion. When the single-seat chair with the armrest member is connected in an L-shape or a U-shape, it is arranged and connected at the end. Therefore, by connecting the single-seat chairs in series, L-shape or U-shape, a useful arrangement desired by the user can be achieved.
[0019] According to the combined furniture described in claim 4 or 5, in the combined furniture described in any one of claims 1 to 3, it can include one or more pieces of furniture such as a table, a side table, or a doghouse, the main parts of which are made of the same material and the dimensions of which are also configured according to the single-seat chair. Therefore, in the combined furniture, not only chairs and sofas, but also highly necessary furniture other than chairs and sofas can be provided as combined furniture with a unified design.
Brief Description of the Drawings
[0020]
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Embodiments for Carrying out the Invention
[0021] Hereinafter, an embodiment of the combined furniture according to the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing one example of the configuration of the combined furniture according to the present invention. (a) is a perspective view from the front, and (b) is a perspective view from the back.
[0022] In the configuration example of the combined furniture 10 shown in FIG. 1, the combined furniture 10 is configured by connecting a plurality of single-seat chairs 11 in the horizontal direction and connecting one end at a right angle to form a substantially L shape. At the right-angled corner, a wide single-seat chair 12 having an auxiliary member placement portion 16 that extends in the width direction of the seat surface is arranged, and a backrest member 13 is fixed to the auxiliary member placement portion 16 so as to be perpendicular to the normal backrest portion 11b to form a connecting corner portion. On the other hand, the wide single-seat chair 12 is also arranged at the other end connected in the horizontal direction, and an armrest member 14 is fixed to the auxiliary member placement portion 16 thereof.
[0023] Then, cushions CS are placed on the seat surfaces 11a and 12a of the single-seat chair 11 and the wide single-seat chair 12, respectively, and the cushions CS are also arranged on the backrest portions 11b and 12b of the single-seat chair 11 and the wide single-seat chair 12, respectively. Further, a cushion 13a is arranged on the corner backrest member 13, and a cushion 13b in the shape of a square prism is arranged in the gap portion. In addition, a footrest FR is arranged on the front surface of the wide single-seat chair 12 arranged at the other end.
[0024] FIG. 2 is a perspective view showing the single-seat chair 11, the wide single-seat chair 12, and the auxiliary members (the backrest member 13 and the armrest member 14) of the wide single-seat chair 12. FIG. 3(a) is an exploded perspective view of a normal single-seat chair, and (b) is an exploded perspective view of a wide single-seat chair.
[0025] As shown in FIGS. 2(a) and 3(a), the single-seat chair 11 is formed by combining rectangular plates into a square shape, and includes a seat surface 11a having a space portion formed in the center, a backrest portion 11b fixed to one side of the seat surface, and leg portions 11c fixed to the four corners on the back side of the seat surface.
[0026] On both sides of the back surface of the seat surface 12a, a plurality of embedded nuts (not shown) are embedded in advance and can be laterally connected by a connecting member 15 described below.
[0027] On the other hand, the wide single-seat chair 12 shown in FIGS. 2(b) and 3(b) is mainly a single-seat chair for connection or an armrest used at a connecting corner or an end of the combined furniture 10. Similar to the single-seat chair 11, the wide single-seat chair 12 is formed by combining rectangular plates into a square shape, and includes a seat surface 12a having a space portion formed in the center, a backrest portion 12b fixed to one side of the seat surface, and leg portions 12c fixed to the four corners on the back side of the seat surface. And on one side portion of the seat surface 12a, an auxiliary member mounting portion 16 (indicated by hatching in FIG. 3(b)), which is a space for fixing the auxiliary members (the backrest member 13 and the armrest member 14), is extended and formed.
[0028] And on both sides and front and rear sides of the back surface of the seat surface 12a of the wide single-seat chair 12, a plurality of embedded nuts (not shown) are embedded in advance and can be laterally and perpendicularly connected by a connecting member 15 described below.
[0029] The wide single-seat chair 12 is formed to have the same width W2 and depth as the single-seat chair 11 except for the space of the auxiliary member mounting portion 16, and as described above, it is formed by expanding by a dimension of width W3 on one side portion. On the other hand, the width W3 and the depth dimension of the auxiliary members (the backrest member 13 and the armrest member 14) are formed to have the same dimensions as the auxiliary member mounting portion 16, and are respectively formed to fit into the space of the auxiliary member mounting portion 16. And leg portions 11c, 12c are fixed to the four corners on the back surfaces of the seat surfaces 11a, 12a of the single-seat chair 11 and the wide single-seat chair 12.
[0030] Also, the legs 11c and 12c are fixed by inserting bolts (not shown) into embedded nuts (not shown) pre-embedded in the back surface of the seat surface. Similarly, embedded nuts (not shown) are pre-embedded on the front side of the seat surfaces 11a and 12a, and the auxiliary members (the backrest member 13 and the armrest member 14) are fixed with bolts (not shown).
[0031] FIG. 4 is a perspective view from the back showing the connected state of the single seat 11. As shown in FIG. 4, to connect a plurality of the single seats 11 in the lateral direction, embedded nuts (not shown) are embedded in the side portions of the back surface of the single seat 11, and a metal rectangular connecting member 15 is arranged across two of the single seats 11 arranged side by side in the lateral direction, and the horizontally arranged single seats 11 are fixed and connected to each other with bolts (not shown) in a desired number.
[0032] FIGS. 5(a) to (d) are perspective views showing other configuration examples of the combined furniture. FIG. 5(a) shows a configuration example in which the single seats 11 are connected in a U shape, and the wide single seats 12, 12 are arranged at both corners. FIG. 5(b) shows a configuration in which the single seats 12 are connected in series with four legs, the wide single seat 12 is arranged at one end, and the armrest member 14 is arranged and fixed on the auxiliary member placement portion 16. Also, the footrest FR is arranged in front thereof. Note that a headrest HR is attached to every other single seat 12. FIG. 5(c) shows a state in which the headrest HR in FIG. 5(b) is removed. Thus, the headrest HR is removably fixed. FIG. 5(d) shows a configuration example in a state where the single seats 11 are arranged in an L shape, and the wide single seat 12 is arranged at the corner. Note that the single seat 11 can also be used alone.
[0033] Figs. 6(a) to (c) are perspective views showing other constituent members of the combined furniture 10. (a) is a perspective view showing an example of the table TB, (b) is a perspective view showing an example of the side table ST, and (c) is a perspective view showing an example of the dog house DH.
[0034] As shown in Fig. 6, the combined furniture 10 according to the present invention includes not only the chairs 11 and 12, but also, as other furniture elements, the table TB, the side table ST, and the dog house DH that are prepared in advance and whose main parts are made of the same material as the single-seat chairs 11 and 12 and are formed to have dimensions conforming to those of the single-seat chairs 11 and 12, and are formed as unified design elements. These can be appropriately combined as needed to obtain a highly convenient combined furniture 10.
[0035] Since the combined furniture 10 according to the present invention has the above-described configuration, the single-seat chairs 11 and 12 can be connected and fixed adjacent to each other in a series, L-shape, or U-shape. It includes a plurality of single-seat chairs 11 and 12 and a connecting member 15 for connecting the single-seat chairs 11 and 12 in the lateral direction. The connecting member 15 can connect and fix the single-seat chairs 11 and 12 adjacent to each other in a series, L-shape, or U-shape by bolts and embedded nuts. Thus, the user can configure the required number of seats desired by the user by connecting the single-seat chairs 11 and 12 singly, in series, in an L-shape, or in a U-shape in the desired arrangement. Also, since it can include one or two or more pieces of furniture such as the table TB, the side table ST, or the dog house DH, whose main parts are made of the same material and whose dimensions are configured in accordance with those of the single-seat chairs, in the combined furniture 10, not only a sofa (chair) but also highly necessary furniture other than the sofa (chair) can be provided as a combined furniture with a unified design.
Explanation of Reference Numerals
[0036] 10 Combined furniture connected in an L-shape 11 Single-seat chair 11a Seat surface 11b Backrest part 11c Leg part 12 wide single-seat chairs 12a seat surface 12b backrest part 12c legs 13 corner backrest member 14 armrest member 15 connecting member 16 auxiliary member placement part FR footrest TB table ST side table DH dog house
Claims
1. A combination furniture comprising a plurality of single-seat chairs and a connecting member for connecting the single-seat chairs horizontally, wherein the connecting member can connect and fix the single-seat chairs adjacent to each other in a series, L-shape or U-shape by bolts and embedded nuts.
2. The single-seat chair includes a wide single-seat chair having an auxiliary member placement portion extended in the width direction of the seat surface, the wide single-seat chair includes a backrest member fixed to the auxiliary member placement portion, The combination furniture according to claim 1, wherein the wide single-seat chair provided with the backrest member is arranged and connected at a connecting corner when the single-seat chairs are connected in an L-shape or U-shape.
3. The single-seat chair includes a wide single-seat chair having an auxiliary member placement portion extended in the width direction of the seat surface, the wide single-seat chair includes an armrest member fixed to the auxiliary member placement portion, The combination furniture according to claim 1 or 2, wherein the wide single-seat chair provided with the armrest member is arranged and connected at an end when the single-seat chairs are connected in an L-shape or U-shape.
4. The combination furniture according to claim 1 or 2 is one or more of a table, a side table or a dog house, and includes furniture whose main part is made of the same material and whose dimensions are also configured according to the single-seat chair.
5. The combination furniture according to claim 3 is one or more of a table, a side table or a dog house, and includes furniture whose main part is made of the same material and whose dimensions are also configured according to the single-seat chair.
Citation Information
Patent Citations
Combination sofa
JP3242869U