JP4793831B2 - sofa - Google Patents

Description

  The present invention relates to a sofa. More specifically, the present invention relates to a sofa having a footrest in a normal use state.

  As a conventional sofa having a footrest, as shown in FIG. 9, the sofa body 102 having a seat surface 102a having a width of 3L and a depth L is separated from the sofa body 102 and has the same height as the seat surface 102a. A footrest 103 having a cushion mounting surface 103a having a width L and a depth L, a first seat cushion 104 having a width 2L and a depth L, and two second seat cushions 105 having a width L and a depth L, (Patent Document 1). The sofa 101 is installed with the footrest 103 connected to the sofa main body 102 and the first seat cushion 104 is extended over the seat surface 102a of the sofa main body 102 and the cushion mounting surface 103a of the footrest 103. It is arranged and used as a sofa with a footrest (FIG. 9B), the footrest 103 is placed away from the sofa body 102, and the first seat cushion 104 and the second seat cushion are placed on the seat surface 102a. 105 and the second seat cushion 105 on the cushion mounting surface 103a, and the footrest 103 is used as a stool 106 separate from the sofa body 102 (FIG. 9C).

JP2007-330683A

  However, in the sofa of Patent Document 1, when using it as a sofa with a footrest by arranging it as shown in FIG. 9B, in order to secure a wider footrest place by expanding the continuous surface of the seat cushion. When the first seat cushion 104 has a portion projecting forward from the armrest portion 102b, the first seat cushion 104 is placed on the seat surface 102a of the sofa body 102 and the cushion placement surface 103a of the footrest 103. Although it can be placed across, it cannot be placed only on the seat surface 102a of the sofa body 102. Even if it is arranged, the portion that protrudes in front of the armrest portion 102b protrudes from the seating surface 102a and is uncomfortable to sit on.

  That is, the sofa body 102 and the footrest 103 are separated, and the use form of the sofa is changed by changing the way the footrest 103 is installed and the seat cushions 104 and 105 are arranged. The advantage that it becomes possible to deal with various situations such as changes in the number of persons is lost.

  Therefore, the present invention can be used as a sofa with a footrest by changing the use form of the sofa depending on the installation of the footrest and the arrangement of the seat cushion, or the footrest can be used as a stool separate from the sofa body. The long seat cushion that is used by placing it between the sofa body seating surface and the footrest cushion mounting surface projects over the armrests at the left and right ends of the sofa body. The sofa can achieve the same comfort and design as when using a seat cushion that does not have an overhang when the long seat cushion is placed on the sofa body seat surface. The purpose is to provide.

In order to achieve the above object, the sofa according to claim 1 is a separate body from the sofa body having a seat surface and a back portion having a width nL (where n is a natural number of 2 or more) and depth L, and the back portion. One footrest having a cushion mounting surface having the same height (L + x) and depth L as the seating surface, and the end of one long side in the depth direction with respect to the rectangle of width L and depth 2L A long seat cushion having an overhanging portion with a width L and an overhang amount x, and when n = 2, a rectangular seat cushion with a width L and a depth (L + x) or a square with a width L and a depth L It also has one seat cushion. When n ≧ 3, one rectangular seat cushion of width L and depth (L + x) or square seat cushion of width L and depth L and square seat cushion of width L and depth L ( n-2) further, sofa book Container for the back bottom accommodating a continuous projecting portion and the seat surface is as provided.

The sofa according to claim 2 is a sofa body having a seat surface and a back portion having a width of 4 L and a depth L, and the sofa body, and is separated from the sofa body and having the same height (L + x) and depth L as the seat surface. Long footrests having a width L and a protrusion amount x at the end of one long side in the depth direction with respect to a rectangle having a width L and a depth 2L. It has two seat cushions and two rectangular seat cushions with a width L and depth (L + x) or two square seat cushions with a width L and depth L. An accommodating portion for accommodating is provided . The sofa according to claim 3 is a sofa main body having a seat surface having a width (nL + y) (where n is a natural number of 2 or more) and a depth L, and a back portion, and the sofa main body, and the seat surface. One footrest with a cushion mounting surface of the same height (L + x) and depth y, and width y at the end of one long side in the depth direction relative to a rectangle of width L and depth (L + y)・ One long seat cushion with an overhanging portion with an overhang amount x, a rectangular seat cushion with a width y and a depth (L + x) or a rectangular seat cushion with a width y and a depth L, and a width L and a depth L There are (n-1) square seat cushions, and a housing portion is provided at the lower end of the back of the sofa body so as to be continuous with the seat surface and accommodate the overhanging portion. The sofa according to claim 4 is a sofa body having a seat surface and a back portion having a width (L + W + y) and depth L, and a sofa body separate from the sofa body and having a width (L + x) One footrest with a cushion mounting surface of depth y and an overhanging portion of width y and overhanging amount x at the end of one long side in the depth direction with respect to a rectangle of width L and depth (L + y) One long seat cushion, one rectangular seat cushion with width y and depth (L + x) or one rectangular seat cushion with width y and depth L, and one rectangular seat cushion with width W and depth L In addition, a housing portion is provided at the lower end of the back portion of the sofa body so as to be continuous with the seat surface and accommodate the overhanging portion. The sofa according to claim 5 is a sofa body having a seat surface and a back portion having a width (2L + W) and a depth L, and a sofa body separate from the sofa body and having a width (L + x) One footrest having a cushion mounting surface with a depth L, and a length having an overhanging portion with a width L and an overhanging amount x at the end of one long side in the depth direction with respect to a rectangle with a width L and a depth 2L 1 sofa seat cushion, one rectangular seat cushion with width L and depth (L + x) or one square seat cushion with width L and depth L, and one rectangular seat cushion with width W and depth L, and sofa An accommodation part is provided at the lower end of the back part of the main body so as to be continuous with the seat surface and accommodate the overhanging part.

  According to this sofa, when the footrest is connected to the sofa body, a long seat cushion is arranged across the seat surface of the sofa body and the cushion placement surface of the footrest. It can be used as a sofa with a footrest. In addition, since the footrest is separated from the sofa body, when the footrest is placed away from the sofa body, a long seat cushion is placed on the seat and the sofa body is In addition to being used as a normal sofa, the footrest can be used as a stool separate from the sofa body.

  In addition, according to this sofa, since the housing portion for accommodating the protruding portion of the long seat cushion is provided at the lower back of the sofa body, the footrest is used as a stool and the long seat cushion is used as the sofa. When arranged on the seat surface of the main body, the overhanging portion of the long seat cushion can be accommodated in this accommodating portion.

  According to the sofa of the present invention, when a long seat cushion is arranged across the seat surface of the sofa body and the cushion mounting surface of the footrest, and used as a sofa with a footrest, The seating surface of the main body and the footrest surface become a continuous surface and a part of the long seat cushion projects in front of the armrests at the left and right ends of the sofa body, so the continuous surface also extends to the side. It is possible to increase the degree of freedom of the seated person's posture by expanding, changing the direction of the body, and sitting down with the legs extended, thereby improving comfort.

  Furthermore, according to the sofa of the present invention, when the footrest is separated from the sofa body and used as an independent stool, the extended portion of the long seat cushion is accommodated in the accommodating portion on the back of the sofa body. Thus, the overhanging portion does not impair the appearance and sitting comfort of the entire sofa, and it is possible to achieve the same comfort and design as when a seat cushion having no overhanging portion is used.

  Hereinafter, the configuration of the present invention will be described in detail based on the best mode shown in the drawings.

  1 to 4 show an example of an embodiment of the sofa of the present invention. The sofa 1 includes a sofa body 2 having a seat surface 2a and a back portion 2d, a footrest 3 having a cushion mounting surface 3a that is separate from the sofa body 2 and has the same height as the seat surface 2a, A long seat cushion 5 having a protruding portion 5a at the end of the long side of the sofa body 2 is provided at the lower end of the back portion 2d of the sofa body 2 with a receiving portion 2e that is continuous with the seating surface 2a and receives the protruding portion 5a. It is what has been.

  Further, the sofa 1 of the present embodiment is a sofa body 2 having a seat surface 2a having a width 3L and a depth L and a back portion 2d, and a sofa body 2 that is separate from the sofa body 2 and has the same height as the seat surface 2a (L + x A footrest 3 having a cushion mounting surface 3a having a depth L, a square seat cushion 4A having a width L and a depth L, a rectangular seat cushion 4B having a width L and a depth (L + x), and a width L and a depth 2L. A long seat cushion 5 having an overhanging portion 5a having a width L and an overhanging amount x at the end of one long side in the depth direction with respect to the rectangle, and the seat surface 2a at the lower end of the back portion 2d of the sofa body 2 And an accommodating portion 2e for accommodating the overhang portion 5a.

  In the present embodiment, the sofa body 2 includes a seat portion 2b that is a seat surface 2a having a width 3L and a depth L for placing the seat cushions 4A, 4B, and 5 on the upper surface, and armrest portions 2c on the left and right ends of the seat portion 2b. And a back portion 2d on the rear side of the seat portion 2b. In this specification, the back 2d side of the sofa body 2 is the rear, the opposite side is the front, the left hand when standing in the front-rear direction is the left, and the right hand is the right.

  The seat 2b, the armrest 2c, and the back 2d are each molded using, for example, urethane foam or the like with a wood or metal tube as a core and covered with a surface tension material such as natural leather, synthetic leather, or cloth. .

  The armrests 2c are fixed to the left and right ends of the seat 2b, and the back 2d is fixed between the rear end of the seat 2b and the left and right armrests 2c. The seat portion 2b, the armrest portion 2c, and the back portion 2d are fixed by connecting core members with bolts or the like.

  Further, on the side of the seat 2b of the back 2d, a surface whose upper end is inclined backward is formed so that a seated person can easily lean on it.

  The square seat cushion 4A, the rectangular seat cushion 4B, and the long seat cushion 5 have cushion members such as urethane, feathers, and cotton as inner members, and are surfaced by a surface tension material such as natural leather, synthetic leather, and cloth. Is covered. The inner member may be appropriately laminated with a plurality of cushion materials. In the present invention, at least the long seat cushion 5 among the square seat cushion 4A, the rectangular seat cushion 4B, and the long seat cushion 5 can be used without distinction between the front and the back.

  The long seat cushion 5 has an overhanging portion 5a having a width L at the end of one long side in the depth direction. In the present embodiment, the amount of overhang x with respect to the long side of the overhang portion 5a is approximately the same as the width of the front end face of the armrest portion 2c of the sofa body 2. However, the overhang amount x is not limited to the same width as the width of the front end surface of the armrest portion 2c, and may be larger or smaller than the width. For example, as shown in FIG. 2, in the present embodiment, the long seat cushion 5 is disposed so that the overhanging portion 5a projects in front of the armrest portion 2c, but the overhanging portion 5a is a rectangular seat cushion. The long seat cushion 5 may be disposed so as to protrude forward of 4B.

  In this invention, the accommodating part 2e which can accommodate the overhang | projection part 5a is provided in the lower end of the back part 2d. In this embodiment, the accommodating part 2e whose width is a little wider than L is provided in the center of the lower end of the back part 2d. The accommodating portion 2e may be a space that can accommodate the protruding portion 5a of the long seat cushion 5, and may penetrate to the rear surface of the back portion 2d, or at least the protruding amount x of the protruding portion 5a. As long as it has a depth of minutes, it may not penetrate to the rear surface of the back portion 2d. In addition, the height of the accommodating part 2e should just be higher than the thickness of seat cushion 4B, 5 at least.

  The footrest 3 is formed using, for example, urethane foam or the like with a wood or metal tube or the like as a core material, and the surface is covered with a surface tension material such as natural leather, synthetic leather, or cloth.

  In the present embodiment, the sofa 1 has a back cushion 6. The back cushion 6 has a cushion material such as urethane, feather, or cotton as an inner member, and the surface is covered with a surface tension material such as natural leather, synthetic leather, or cloth. The inner member may be appropriately laminated with a plurality of cushion materials. In the present embodiment, the three back cushions 6 are leaned against the back portion 2 d and are arranged side by side in the longitudinal direction of the sofa body 2.

  The usage form of the sofa 1 will be described below.

  FIG. 2 shows a form in which the sofa 1 is used as a sofa with a footrest. Specifically, the footrest 3 is installed to be connected to the seat 2b so as to move to the front left side of the seat 2b of the sofa body 2, and the cushion of the footrest 3 and the left of the seat 2a of the seat 2b. A long seat cushion 5 is disposed across the mounting surface 3a. And the rectangular seat cushion 4B and the square seat cushion 4A are arrange | positioned side by side in the center part of the seat surface 2a of the seat part 2b, and the right side of the seat surface 2a. In the case of the form shown in FIG. 2, the rectangular seat cushion 4B is arranged by inserting the x portion of the depth (L + x) into the accommodating portion 2e of the back portion 2d (FIG. 4A), and the rectangular seat cushion 4B. The apparent depth on the seat surface 2a is L, which is aligned with the depth of the seat surface 2a and the square seat cushion 4A.

  Thus, in the case of the form shown in FIG. 2, the sofa body 2 is used as a sofa with a footrest on the left side together with the footrest 3 and is used as a normal sofa on the center and the right side.

  On the other hand, FIG. 3 shows a form in which the footrest 3 is set apart from the sofa body 2 and the sofa 1 is used as a normal sofa and stool 7. Specifically, the footrest 3 is installed away from the sofa body 2 and the rectangular seat cushion 4B is disposed on the cushion mounting surface 3a, and the square seat cushion 4A is disposed on the seat surface 2a of the seat portion 2b of the sofa body 2. And the long seat cushion 5 is arrange | positioned side by side in the longitudinal direction. Thereby, in the case of the form shown in FIG. 3, the sofa body 2 is used as a normal sofa, and the footrest 3 is used as a stool 7 separate from the sofa.

  And in the case of the form shown in FIG. 3, the overhang | projection part 5a of the elongate seat cushion 5 is inserted and accommodated in the accommodating part 2e of the back part 2d. Thus, even when the long seat cushion 5 having the overhanging portion 5a is arranged in the longitudinal direction on the seat portion 2b of the sofa body 2, the apparent depth on the seat surface 2a of the long seat cushion 5 is L. Since it becomes the same as the depth of the seat surface 2a and the square seat cushion 4A, the seating comfort and appearance are not impaired.

  According to the sofa of the present invention having the above configuration, when the footrest 3 is used as the stool 7 and the long seat cushion 5 is arranged on the seat surface 2a of the sofa body 2, the long seat cushion 5 Since the overhanging portion 5a can be accommodated in the accommodating portion 2e of the back portion 2d of the sofa body 2, the overhanging portion 5a does not impair the appearance and sitting comfort of the entire sofa 2, and does not have an overhanging portion. It is possible to achieve the same comfort and design as when the cushion is used.

  In addition, although the above-mentioned form is an example of the suitable form of this invention, it is not limited to this, A various deformation | transformation implementation is possible in the range which does not deviate from the summary of this invention. For example, in the present embodiment, the accommodating portion 2e is provided at the center of the lower end of the back portion 2d. However, the present invention is not limited to this, and may be the lower right side or the lower left side.

  In the present embodiment, the sofa body 2 has the armrest portion 2c. However, the sofa body 2 may not have the armrest portion 2c.

  Further, in the present embodiment, the sofa body 2 is provided with the back cushion 6, but a configuration without the back cushion 6 may be employed. In this case, the back portion 2d of the sofa body 2 may be used as a backrest, and further, a comfort cushion is improved by laminating a resilient cushion material on the surface of the back portion 2d on the seat portion 2b side. Anyway.

  Further, the size and configuration of the sofa body 2, the footrest 3 and the seat cushions 4A, 4B, and 5 in the present invention are not limited to the configuration of the above-described embodiment. For example, as shown in FIG. A sofa body 2 having a seating surface 2a having a width 2L and a depth L and a back portion 2d, and a cushion mounting surface 3a having a width (L + x) and a depth L which are separate from the sofa body 2 and have the same height as the seating surface 2a A footrest 3 having a width L and a depth (L + x), a rectangular seat cushion 4B, and a width L and an extension amount x at the end of one long side in the depth direction with respect to a rectangle having a width L and a depth 2L. A long seat cushion 5 having an overhang portion 5a, and a housing portion 2e that is continuous with the seat surface 2a on the right side of the lower end of the back portion 2d of the sofa body 2 and has a width of at least L and accommodates the overhang portion 5a. It may be provided.

  In this case as well, the footrest 3 is connected to the seat 2b while being moved to the front left side of the seat 2b of the sofa body 2, and the long seat cushion extends over the seat 2a and the cushion mounting surface 3a. 5 is disposed, and the rectangular seat cushion 4B is disposed on the remaining surface of the seating surface 2a, so that the sofa body 2 is used as a sofa with a footrest 3 on the left side and a normal one on the right side. Used as a sofa (FIG. 5A). At this time, the rectangular seat cushion 4B is arranged by inserting the x portion of the depth (L + x) into the accommodating portion 2e of the back portion 2d (FIG. 5A), and the apparent depth on the seat surface 2a of the rectangular seat cushion 4B. Becomes L and is aligned with the depth of the seating surface 2a.

  On the other hand, the footrest 3 is installed away from the sofa body 2 and the rectangular seat cushion 4B is disposed on the cushion mounting surface 3a, and the long seat cushion 5 is disposed on the seat surface 2a of the seat portion 2b of the sofa body 2. When arranged in the longitudinal direction, the sofa body 2 is used as a normal sofa, and the footrest 3 is used as a stool 7 separate from the sofa (FIG. 5B).

  In the case of the form shown in FIG. 5B, the overhanging portion 5a of the long seat cushion 5 is inserted and accommodated in the accommodating portion 2e of the back portion 2d. Thus, even when the long seat cushion 5 having the overhanging portion 5a is arranged in the longitudinal direction on the seat portion 2b of the sofa body 2, the apparent depth on the seat surface 2a of the long seat cushion 5 is L. Since it is aligned with the depth of the seating surface 2a, it does not impair sitting comfort or appearance.

  Further, as shown in FIG. 6, the sofa body 2 having a seat surface 2a having a width 4L and a depth L and a back portion 2d is separated from the sofa body 2 and has the same width (L + x) as the seat surface 2a. -Two footrests 3 having a cushion mounting surface 3a of depth L; two rectangular seat cushions 4B of width L and depth (L + x); and one of the two in the depth direction with respect to a rectangle of width L and depth 2L It has two long seat cushions 5 having a width L, a protruding amount x an overhanging portion 5a at the end of the long side, and is continuous with the seat surface 2a at the center of the lower end of the back portion 2d of the sofa body 2 so that the width is at least 2L. In this case, an accommodating portion 2e that accommodates the overhang portion 5a may be provided.

  Also in this case, the sofa body 2 is used as a sofa with a footrest and a normal sofa together with the footrest 3 (FIGS. 6A and 6B). At this time, the rectangular seat cushion 4B is disposed by inserting the x portion of the depth (L + x) into the accommodating portion 2e of the back portion 2d (FIGS. 6A and 6B), and on the seat surface 2a of the rectangular seat cushion 4B. The apparent depth of L becomes L and is aligned with the depth of the seating surface 2a. The sofa body 2 is used as a normal sofa, and the footrest 3 is used as a stool 7 separate from the sofa (FIGS. 6B and 6C). At this time, the overhanging portion 5a of the long seat cushion 5 is inserted and accommodated in the accommodating portion 2e of the back portion 2d. Thus, even when the long seat cushion 5 having the overhanging portion 5a is arranged in the longitudinal direction on the seat portion 2b of the sofa body 2, the apparent depth on the seat surface 2a of the long seat cushion 5 is L. Since it is aligned with the depth of the seating surface 2a, it does not impair sitting comfort or appearance.

  In this embodiment, the rectangular seat cushion 4B is used, but a square seat cushion 4A may be used instead of the rectangular seat cushion 4B. In this case, it is possible to use the same as in the embodiment by preventing a part of the square seat cushion 4A from being inserted into the accommodating portion 2e.

  In the embodiment described above, as shown in FIG. 7, when n is a natural number of 2 or more, the seat surface 2a of the sofa body 2 has a width nL and a depth L, and the rectangular seat cushion 4B and the foot. The cushion mounting surface 3a of the table 3 has a width (L + x) and a depth L, and the long seat cushion 5 has a protruding portion 5a having a width L and a protruding amount x with respect to a rectangle having a width L and a depth 2L. However, the dimensional relationship between the seat surface 2a, the rectangular seat cushion 4B, the cushion mounting surface 3a, and the long seat cushion 5 is not limited thereto. For example, as shown in FIGS. 8A and 8B, the width of the protruding portion 5a of the long seat cushion 5 is set to y (≠ L), and the rectangular seat cushion 4B and the cushion mounting surface 3a are It may be set to (L + x) · depth y. As shown in FIG. 8C, a rectangular seat cushion 4B 'having a width W and a depth L may be used instead of the square seat cushion 4A. Further, instead of the square seat cushion 4A shown in FIGS. 8A and 8B, a rectangular seat cushion 4B 'having a width W and a depth L may be used. Also in these cases, when the footrest 3 is used as the stool 7 and the long seat cushion 5 is disposed on the seat surface 2a of the sofa body 2, the overhanging portion 5a of the long seat cushion 5 is provided on the sofa body 2. It can be accommodated in the accommodating portion 2e of the back portion 2d.

It is a figure which shows an example of embodiment of the sofa of this invention, and is a perspective view of the sofa main body from which the cushion was removed, and a footrest. It is a perspective view which shows the form in the case of utilizing the sofa of embodiment as a sofa with a footrest. It is a perspective view which shows the form in the case of utilizing the sofa of embodiment as a normal sofa and a separate stool. It is a top view explaining accommodation to a part of accommodation part of a seat cushion in a sofa of an embodiment. (A) is a top view explaining accommodation of the seat cushion at the time of utilizing as a sofa with a footrest and a normal sofa. (B) is a top view explaining accommodation of the seat cushion at the time of utilizing as a normal sofa and a separate stool. It is a schematic plan view which shows the utilization form of the sofa of other embodiment. (A) is a schematic plan view of the form in the case of using as a sofa with a footrest and a normal sofa. (B) is a schematic plan view of the form in the case of using as a normal sofa and a stool. It is a schematic plan view which shows the utilization form of the sofa of other embodiment. (A) is a schematic plan view of the form in the case of using as a sofa with a footrest and a normal sofa. (B) is a schematic top view of the form in the case of using as a sofa with a footrest, a normal sofa, and a stool. (C) is a schematic plan view of the form in the case of using as a normal sofa and a stool. It is a figure explaining the example of the relationship of the dimension about a seat surface, a rectangular seat cushion, a cushion mounting surface, and a long seat cushion. (A) is a figure in case the width of a seating surface is 2L and depth is L. FIG. (B) is a case where the width of the seating surface is 3L and the depth is L. (C) is a case where the width of the seating surface is 4L and the depth is L. It is a figure explaining the other example of the relationship of the dimension about a seat surface, a rectangular seat cushion, a cushion mounting surface, and a long seat cushion. (A) is a figure in case the width | variety of the overhang | projection part of a long seat cushion is y. (B) is a figure in the case of using a footrest as a stool in the case of (A). (C) is a figure in the case of using the rectangular seat cushion of width W and depth L instead of a square seat cushion. It is a perspective view which shows the conventional sofa which has a footrest. (A) is a perspective view of the sofa body and the footrest with the cushion removed. (B) is a perspective view when using a cushion as a sofa with a footrest.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Sofa 2 Sofa body 2a Seat surface 2b Seat part 2c Armrest part 2d Back part 2e Storage part 3 Footrest 3a Cushion mounting surface 4A Square seat cushion 4B Rectangular seat cushion 5 Long seat cushion 5a Overhang part 7 Stool x Overhang amount

Claims (5)

A sofa body having a width nL (where n is a natural number of 2 or more) / depth L and a back portion, and a width (L + x) / depth that is separate from the sofa body and is the same height as the seat surface 1 long footrest with L cushion placement surface and long portion with width L and overhang amount x at the end of one long side in the depth direction with respect to a rectangle with width L and depth 2L the addition to have a one and a seat cushion, n = further comprises a second square seat cushion one rectangular seat cushion or the width L · depth L of the width L · depth (L + x) in the case of n ≧ 3 In this case, the sofa body further includes a rectangular seat cushion having a width L and a depth (L + x) or a square seat cushion having a width L and a depth L and (n-2) square seat cushions having a width L and a depth L. The projecting part is contiguous with the seating surface at the lower end of the back of the Sofa, wherein a housing part which is provided. A sofa body having a seat surface and a back portion having a width of 4L and a depth L, and a footrest having a cushion mounting surface which is a separate body from the sofa body and has the same height (L + x) and depth L as the seat surface. Two bases, two long seat cushions having an overhanging portion with a width L and an overhang amount x at the end of one long side in the depth direction with respect to a rectangle with a width L and a depth 2L, and a width L A rectangular seat cushion having a depth (L + x) or two square seat cushions having a width L and a depth L, and a housing portion that is continuous with the seat surface and accommodates the overhanging portion is provided at the lower back of the sofa body. Sofa that is characterized by. Width (nL + y) (where n is a natural number greater than or equal to 2)-A sofa body having a seat surface and depth L and a back portion, and a width (L + x) that is separate from the sofa body and is the same height as the seat surface -One footrest having a cushion mounting surface of depth y, and an overhanging portion of width y and overhanging amount x at the end of one long side in the depth direction with respect to a rectangle of width L and depth (L + y) 1 long seat cushion with a width y and depth (L + x) or 1 rectangular seat cushion with width y and depth L and a square seat cushion with width L and depth L (n-1) The sofa body is provided with an accommodating portion that is continuous with the seating surface and accommodates the protruding portion at the lower end of the back portion of the sofa body. A sofa body having a seat surface and a back portion with a width (L + W + y) / depth L, and a cushion mounting surface with a width (L + x) / depth y that is separate from the sofa body and has the same height as the seat surface One footrest, and one long seat cushion having an overhanging portion of width y and overhanging amount x at the end of one long side in the depth direction with respect to a rectangle of width L and depth (L + y) , One rectangular seat cushion having a width y · depth (L + x) or one rectangular seat cushion having a width y · depth L and one rectangular seat cushion having a width W · depth L. A sofa having a housing portion that is continuous with a seating surface and houses the overhang portion. A sofa body having a seat surface and a back portion with a width (2L + W) / depth L, and a cushion mounting surface with a width (L + x) / depth L that is separate from the sofa body and has the same height as the seat surface One footrest, one long seat cushion having an overhanging portion with a width L and an overhang amount x at the end of one long side in the depth direction with respect to a rectangle with a width L and a depth 2L, and a width It has one rectangular seat cushion of L / depth (L + x) or one square seat cushion of width L / depth L, and one rectangular seat cushion of width W / depth L, and the seat surface on the lower back of the sofa body. And a storage portion for storing the overhanging portion.

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