Fixture and fixture system

Abstract

To provide a fixture and a fixture system that make it easy for a seated person to maintain a seated posture.SOLUTION: A fixture (1A) includes a seat cushion portion (22) in which multiple upwardly convex portions (21) having cushioning properties protrude upward and are arranged along a first direction extending forward from a rear side of a seating surface, where the upwardly convex portions (21) extend along a second direction intersecting the first direction.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to fixtures and fixture systems. [Background technology]

[0002] Various types of sofas have been known for some time. For example, Patent Document 1 discloses a three-seater sofa. This three-seater sofa has three sets of seat parts and backrests attached to a flat seat frame. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 10-179321 Summary of the Invention [Problem to be solved by the invention]

[0004] It was discovered that conventional seats have problems with maintaining seated posture. Specifically, it was discovered that when a person sits on a conventional seat, their buttocks shift forward along the seat surface, causing the person's seated posture to be disrupted.

[0005] Therefore, one aspect of the present invention aims to provide furniture and a furniture system that allows seated people to easily maintain a seated posture. [Means for solving the problem]

[0006] In order to solve the above problem, a fixture according to one embodiment of the present invention has a seat cushion portion in which a plurality of upwardly facing convex portions with cushioning properties that protrude upward are arranged along a first direction from the rear side of the seat surface to the front, and the upwardly facing convex portions extend along a second direction that intersects with the first direction.

[0007] In order to solve the above problems, a fixture system according to one embodiment of the present invention comprises a plurality of fixtures having the above-described configuration, and the plurality of fixtures are connected so that the upwardly facing convex portions of each fixture are continuous when viewed in a plane. [Effects of the Invention]

[0008] According to one aspect of the present invention, it is possible to provide furniture and a furniture system that allows seated people to easily maintain a seated posture. [Brief explanation of the drawings]

[0009] [Figure 1] FIG. 1 is a plan view of a fixture system according to one embodiment of the present invention. [Figure 2] 2 is an external perspective view of a fixture that is one of the fixtures provided in the fixture system shown in FIG. 1. FIG. [Figure 3] FIG. 3 is a side view of the fixture shown in FIG. 2. [Figure 4] FIG. 3 is a rear view of another example of the fixture shown in FIG. 2. [Figure 5] 2 is an external perspective view of a fixture that is one of the fixtures provided in the fixture system shown in FIG. 1. FIG. [Figure 6] 2 is an external perspective view of a fixture that is one of the fixtures provided in the fixture system shown in FIG. 1. FIG. [Figure 7] FIG. 10 is a plan view of another form of a fixture system according to one embodiment of the present invention. [Figure 8] FIG. 10 is a side view of another form of a fixture system according to one embodiment of the present invention. [Figure 9] FIG. 10 is a plan view of another form of a fixture system according to one embodiment of the present invention. [Figure 10] FIG. 10 is a partial side view of the fixture system shown in FIG. 9. DETAILED DESCRIPTION OF THE INVENTION

[0010] [Embodiment 1] An embodiment of the present invention will be described in detail below. Fig. 1 is a plan view of a fixture system 10A according to one embodiment of the present invention, showing the fixture system 10A placed on a floor surface 50 as viewed from above. Fig. 2 is an external perspective view of fixture 1A, which is one of the fixtures 1A, 1B, and 1C included in the fixture system 10A shown in Fig. 1. Fig. 3 is a side view of fixture 1A shown in Fig. 2. Each drawing also shows an XYZ three-dimensional coordinate system in which the vertical axis is the Z axis and the horizontal plane is the XY plane. The negative direction of the Z axis is the vertical direction.

[0011] <Fixture system> As shown in Figure 1, the fixture system 10A includes a plurality of fixtures 1A, 1B, and 1C. Each of the fixtures 1A, 1B, and 1C includes a seat 2 and a backrest 3, and a person can sit on the seat 2. The fixtures 1A, 1B, and 1C are connected so that the seat 2 is continuous with one another.

[0012] In the example shown in FIG. 1, the fixture system 10A includes a linear fixture 1C and curved fixtures 1A and 1B. The linear fixture 1C is a bench-type fixture with a seat 2 and a backrest 3 extending linearly, allowing two or more people to sit side by side along the extension direction. On the other hand, the curved fixtures 1A and 1B are not straight bench-type fixtures, but rather have a seat 2 and a backrest 3 with curved contours in the plan view shown in FIG. 1. In particular, the curved fixture 1A has a convex curve, in which the middle portion along the curved edge protrudes forward. On the other hand, the curved fixture 1B has a concave curve, in which the middle portion along the curved edge is concave backward (toward the back). This will be described later.

[0013] In the example fixture system 10A shown in Figure 1, when viewed from the left to the right of the drawing, fixture 1C, fixture 1B, fixture 1C, fixture 1A, and fixture 1C are arranged in this order, forming an S-shape overall. The type and arrangement of the fixtures can be changed as needed, so the shape of the fixture system in plan view is not limited to the example shown in Figure 1. Below, we will focus on fixture 1A, one of the three types of fixtures shown in Figure 1, and explain its details.

[0014] <Fixtures (Fixtures 1A)> As shown in FIG. 2, the furniture 1A has a seat cushion 22 on the seat 2 and a back cushion 32 on the backrest 3. Note that FIG. 2 also shows left and right ends 1A(R) and 1A(L) of the furniture 1A. End 1A(R) is the end closest to the right side of a seated person, and end 1A(L) is the end closest to the left side of the person. For ease of explanation, arrows indicating forward and backward based on the position of end 1A(L) are added to FIG. 2. Based on this reference, "forward" refers to the direction in which a person seated near end 1A(L) of the seat 2 faces, and "backward" refers to the direction in which the person's back faces. Also, FIG. 2 shows an XYZ coordinate system based on the position of end 1A(L), with the positive X-axis direction representing the forward direction. In addition, in the case of curved fixtures such as fixture 1A and fixture 1B shown in Figure 1, the front-to-back direction is defined radially from the center point of a circle (virtual circle) in which the curved edge is formed as part of an arc, so the front-to-back direction and the XYZ coordinate system shown in Figure 2 are merely examples based on the position of end 1A(L).

[0015] The seat cushion portion 22 has a plurality of upwardly projecting cushioning portions 21 arranged along the front-rear direction (first direction) from the rear side to the front of the seat surface 20. Each upwardly projecting portion 21 extends along the left-right direction (second direction) that intersects with the front-rear direction.

[0016] The backrest 3 can support the back of a person P (FIG. 1) seated on the seat surface 20. The backrest 3 has a back cushion 32 on which a plurality of forward-facing convex portions 31 with cushioning properties that protrude forward are arranged along a vertical direction (third direction) extending from the bottom of the backrest 3 upward. The forward-facing convex portions 31 are provided on the back cushion 32 and extend in a left-right direction (fourth direction) that intersects with the vertical direction.

[0017] Here, in a plan view of fixture 1A, seat cushion portion 22 and back cushion portion 32 have curved contours. Furthermore, upwardly protruding portion 21 and forwardly protruding portion 31 also extend parallel to these contours in a plan view. In a plan view, the curved contours of seat cushion portion 22 refer to front edge 20a (the edge indicated by the dashed line in FIG. 2) facing forward, and rear edge 20b (the edge indicated by the dashed line in FIG. 2) located on the opposite side of seat surface 20 from front edge 20a.

[0018] On the other hand, when viewed in a plane, the curved contour of the back cushion portion 32 refers to the rear edge 30a of the backrest located on the rear side (the edge shown by the thick line in Figure 2) and the front edge 30b of the backrest located in the front and corresponding to the rear edge 30a of the backrest across the upper surface 32a of the back cushion portion 32.

[0019] 2 and 3, the contour located in front of the backrest 3 (back cushion 32) is substantially equal to the rear edge 20b (the edge indicated by the two-dot dashed line in FIG. 2) of the curved contour of the seat cushion 22. Both the upward convex portion 21 and the forward convex portion 31 extend parallel to this curved contour.

[0020] 2 and 3, three upward protrusions 21 are provided side by side in the front-rear direction. The three upward protrusions 21 are lined up in parallel along the curved contour described above.

[0021] Each upward protrusion 21 has a substantially semicircular cross-sectional shape along the front-rear direction (first direction). The semicircular shape can be expressed as a curved surface shape that is high in the middle and gradually becomes lower from the middle toward both the front and rear sides, as shown in FIG.

[0022] In this embodiment, as shown in Fig. 2, upward protrusions 21 extend to the left and right ends 1A(R) and 1A(L) of fixture 1A. Therefore, in addition to when viewed in cross section, upward protrusions 21 are approximately semicircular when viewed from the side of fixture 1A, where end 1A(L) of fixture 1A is viewed from the negative Y-axis direction to the positive Y-axis direction. The same is true when end 1A(R) is viewed.

[0023] There is no particular limit to the number of upward protrusions 21 provided on the seat surface 20 (seat cushion portion 22), but it is preferable that multiple upward protrusions 21 are connected from the rear edge 20b to the front edge 20a of the seat cushion portion 22. This creates a sense of unity in a plan view and, particularly in the case of a curved fixture such as fixture 1A in FIG. 2, creates a ripple-like appearance. For example, it is preferable that the number of upward protrusions 21 is three, as shown in FIGS. 2 and 3. This will be described later.

[0024] The length of each upward protrusion 21 along the front-rear direction (length 21H in FIG. 3) is not particularly limited, but in one example, length 21H may be 100 to 300 mm. In the example shown in FIGS. 2 and 3, the length of seat 20 along the front-rear direction (length 20H in FIG. 3) may be 300 to 900 mm.

[0025] There are no particular limitations on the curvature or the length of upward protrusion of each upward protrusion 21. When no one is seated, the cross-sectional shape of each upward protrusion 21 along the front-to-rear direction may be a semicircle with a protrusion length equal to the radius, but it does not have to be a semicircle as long as it is an arc. In the case of an arc, the protrusion length (height) is shorter than the radius of an imaginary circle that has the arc as part of its circumference. A semicircle or arc will have an arc-shaped surface that is inclined relative to the horizontal plane, and this surface will come into contact with the buttocks and back of the thighs and behind the knees of a seated person, functioning as a slip resistance.

[0026] The upward protrusions 21 are formed into a convex shape that protrudes upward by a cushion material arranged in the seat cushion portion 22. There are no particular restrictions on the material of the cushion material, but it is preferable that the cushion material be one that forms a convex shape and maintains a gap between the boundary between adjacent upward protrusions 21 and the buttocks of an average adult male even when the adult male sits on the seat portion 2. Therefore, a relatively hard cushion material is preferable.

[0027] As an example of the cushion material, a plurality of independent, approximately semi-cylindrical cushion materials are prepared for each upward protrusion 21, and are arranged in the front-to-rear direction with their respective curved surfaces facing up. This achieves a seat surface 20 (seat cushion portion 22) having a plurality of upward protrusions 21. However, instead of this example, a layer of cushion material that spreads in the surface direction of the seat surface 20 may be prepared, and the cushion material may be recessed downward at positions between adjacent upward protrusions 21 to form a plurality of upward protrusions 21.

[0028] The seat cushion portion 22 does not have to be composed of only the approximately semicircular portion, and cushioning material may be provided further below the semicircular portion, thereby realizing a seat surface 20 with excellent cushioning properties.

[0029] The boundary between the upwardly protruding portions 21 may be a linear boundary that has almost no width in the front-rear direction, or may be a boundary that has a predetermined width in the front-rear direction.

[0030] 2 and 3, three forward-facing protrusions 31 are arranged in a line in the vertical direction. The three forward-facing protrusions 31 are arranged in parallel along the curved contour described above. That is, the upward protrusions 21 and the forward-facing protrusions 31 extend in parallel in a plan view.

[0031] Each forward-facing protrusion 31 has a generally semicircular cross-sectional shape along the vertical direction (third direction) that protrudes forward. The generally semicircular shape can be rephrased as a curved shape that is high in the middle and gradually becomes lower from the middle toward both the top and bottom as shown in FIG.

[0032] In this embodiment, as shown in Fig. 2, forward-facing protrusions 31 extend to the left and right ends 1A(R) and 1A(L) of fixture 1A. Therefore, forward-facing protrusions 31 are substantially semicircular not only when viewed in cross section but also when viewed from the side of fixture 1A, where end 1A(L) of fixture 1A is viewed from the negative Y-axis direction to the positive Y-axis direction.

[0033] The number of forward-facing protrusions 31 provided on the back cushion portion 32 is not particularly limited, but is preferably three as shown in FIGS.

[0034] The length of each forward-facing protrusion 31 in the up-down direction (length 31H in Fig. 3) is not particularly limited, but in the example shown in Fig. 3, length 31H can be 65 to 330 mm. This is the same as length 21H of upward-facing protrusion 21, and making them the same length has the effect of creating a sense of uniformity in appearance.

[0035] The length of the back cushion portion 32 in the up-down direction (length 30H in FIG. 3) can be, for example, approximately the same height as the shoulders of a person sitting on the seat portion 2. In the example shown in FIGS. 2 and 3, length 30H can be 195 to 990 mm.

[0036] There are no particular limitations on the curvature or forward protrusion length of each forward-facing protrusion 31. When a person is seated and not using the backrest, the cross-sectional shape of each forward-facing protrusion 31 along the vertical direction may be a semicircle with a protrusion length equal to the radius, but it does not have to be a semicircle as long as it is an arc.

[0037] The upward protrusions 21 and the forward protrusions 31 will be further described. As shown in FIG. 3, the multiple upward protrusions 21 include a first upward protrusion 21a located near the rear side and a second upward protrusion 21b located adjacent to the front side of the first upward protrusion 21a. The multiple forward protrusions 31 include a first forward protrusion 31a located near the bottom and a second forward protrusion 31b located adjacent to the upper side of the first forward protrusion 31a. The first upward protrusion 21a, the second upward protrusion 21b, and the first forward protrusion 31a are positioned so as to support the buttocks of a person seated on the seat 20. The first upward protrusion 21a, the second upward protrusion 21b, and the first forward protrusion 31a support the buttocks, preventing the buttocks from shifting forward and disrupting the seated posture.

[0038] The first forward-facing protrusion 31a is a pelvis support portion that can support the pelvis of a person seated on the seat surface 20. The second forward-facing protrusion 31b is a lumbar support portion that can support the lumbar vertebrae of a person seated on the seat surface 20.

[0039] In this way, with the first upward protrusion 21a, the second upward protrusion 21b, and the first forward protrusion 31a supporting the buttocks, the first forward protrusion 31a supports the pelvis and the second forward protrusion 31b supports the lumbar vertebrae, thereby maintaining a good sitting posture.

[0040] The forward protrusion lengths and directions of the first forward protrusion 31a and the second forward protrusion 31b are designed to support a good seating posture. That is, the size, curvature, or forward protrusion length of each forward protrusion 31 may be different from one another.

[0041] 3, the third upward protrusion 21c adjacent to the front side of the second upward protrusion 21b is configured to support the back of the thighs and behind the knees of a person seated on the seat 20. The third forward protrusion 31c adjacent to the upper side of the second forward protrusion 31b is configured to support the shoulder blades and surrounding areas of a person seated on the seat 20.

[0042] The forward end of the seat 2 (seat cushion 22) may also be curved along the curved surface of the third upward convex portion 21c. Similarly, the upper surface 32a of the back cushion 32 may be curved along the curved surface of the third forward convex portion 31c.

[0043] 3, a cover fabric 40 is stretched over the seat cushion portion 22 and the back cushion portion 32. The cover fabric is stretched so as to follow the shape of the curved surfaces of the multiple upward protrusions 21, and further so as to follow the shape of the curved surfaces of the multiple forward protrusions 31.

[0044] The cover fabric 40 is stretched over the entire surface on which a person sits, as well as over the outer surfaces of the left and right ends 1A(R) and 1A(L) of the fixture 1A, and over the back of the backrest 3 (the surface of the backrest 3 opposite the back cushion 32). Furthermore, the cover fabric 40 may also be stretched over the portion of the fixture 1A closer to the floor 50, specifically over the surface of the legs extending toward the floor 50. This provides a sense of uniformity in appearance.

[0045] There are no particular restrictions on the cover fabric 40, and it is possible to use fabrics that are commonly used for sofa covers, such as cloth or leather. In order to maintain a seated posture, it is preferable to use a cover fabric with high slip resistance, and it is preferable to use a cloth or fabric with fine irregularities on the surface of the cover fabric 40, or a cloth or fabric with fine fibers covering the surface.

[0046] There are no particular limitations on the method for stretching the cover fabric 40 so that it conforms to the curved shapes of the multiple upward protrusions 21 and forward protrusions 31. As an example, the cover fabric is temporarily placed so as to cover the upper side of the cushioning material that forms the core of the multiple upward protrusions 21, and the back surface of the cover fabric 40 is pulled downward from the gaps between adjacent cushioning materials, thereby making it possible to make the surface of the cover fabric conform to the curved shapes.

[0047] Here, the rear side of the backrest 3 of the fixture 1A may be a vertically rising surface as shown in Fig. 3, but to achieve a more uniform look, a rearward-facing protrusion 36 that protrudes rearward similar to the forward-facing protrusion 31 may also be provided on the rear surface 35 of the backrest 3 as shown in Fig. 4. The rearward-facing protrusion 36 can be provided in a position symmetrical to the forward-facing protrusion 31 in the cross section along the front-to-rear direction. This makes the forward-facing protrusion 31 and the rearward-facing protrusion 36 look like a cylindrical cushion, enhancing the design.

[0048] The rearward-facing convex portion 36 in FIG. 4 may not only be provided integrally with the back surface of the backrest portion 3, but may also be attached to the back surface of the backrest portion 3, which is originally flat, by stretching a cover fabric over a roughly semicircular or semicylindrical cushion material and fixing it using adhesive or the like.

[0049] <Fixtures (Fixtures 1B)> As mentioned above, the only difference between fixture 1B and fixture 1A is the direction of curvature of the outlines of seat cushion portion 22 and back cushion portion 32 in a plan view. Therefore, fixture 1B is identical to fixture 1A in all other respects except for the direction of curvature.

[0050] <Fixtures (Fixture 1C)> FIG. 5 is a perspective view of the appearance of the fixture 1C. Note that FIG. 5 also shows the left and right ends 1C(R) and 1C(L) of the fixture 1C. End 1C(R) is the end closest to the right side of a seated person, and end 1C(L) is the end closest to the left side of that person. For ease of explanation, arrows indicating front and rear are added in FIG. 5, with the direction in which the face of a person seated on the fixture 1C is facing being the front, and the direction in which the person's back is facing being the rear. In the fixture 1C shown in FIG. 5, As mentioned above, fixture 1C differs from fixtures 1A and 1B in that it is linear. However, other configurations are the same as fixture 1A. Therefore, the same symbols are used in the figures for components that are the same as fixture 1A.

[0051] That is, the fixture 1C also has a seat cushion portion 22 in which multiple upward protrusions 21 are provided along the front-to-rear direction (first direction) from the rear side to the front of the seat surface 20. Here, the fixture 1C has a linear outline in a plan view, and the upward protrusions 21 also extend parallel to this outline. That is, the upward protrusions 21 extend along the Y axis shown in FIG. 5. Furthermore, the multiple upward protrusions 21 are lined up along the X axis (first direction).

[0052] Similarly to the fixtures 1A and 1B, the fixture 1C also has a plurality of forward-facing protrusions 31 on the back cushion portion 32. Like the upward-facing protrusions 21, each forward-facing protrusion 31 extends along the Y-axis. That is, the forward-facing protrusions 31 and the upward-facing protrusions 21 are arranged parallel to each other.

[0053] The fixtures 1A, 1B, and 1C configured as described above have the same height (height from the floor 50) of each seat 20, and the same width along the front-to-back direction of the seat 20 in a plan view and the same width along the front-to-back direction of the backrest 3 in a plan view. In addition, the same width along the front-to-back direction of each upwardly protruding portion 21 provided on each seat 20 (seat cushion portion 22) and the same width along the front-to-back direction of each forwardly protruding portion 31 provided on each back cushion portion 32 are also equal.

[0054] For this reason, in the fixture system 10A shown in FIG. 1, fixtures 1A, 1B, and 1C are connected to one another so that their upwardly facing convex portions 21 are continuous in a plan view. Furthermore, fixtures 1A, 1B, and 1C are connected to one another so that their forwardly facing convex portions 31 are continuous in a side view. This allows the elongated upwardly facing convex portions 21 and forwardly facing convex portions 31 to form a streamlined, ripple-like pattern on the seating surface. In particular, as shown in FIGS. 2 and 5, each fixture has its upwardly facing convex portions 21 and forwardly facing convex portions 31 continuous from one end to the other of its left and right ends (ends 1A(R) and 1A(L) of fixture 1A). In other words, no structure is provided between the left and right ends that would collapse (destroy) the convex shape of the upwardly facing convex portions 21 or forwardly facing convex portions 31. This continuous pattern creates a beautiful ripple effect.

[0055] In the fixture system 10A shown in Fig. 1, the fixtures may be connected to each other by any means, and may be connected by detachable means such as screws. Alternatively, the fixtures may not be connected to each other and may simply be placed on the floor surface 50.

[0056] The seat surface 20 does not need to be parallel to the horizontal plane, and may be inclined so that the height from the floor surface 50 gradually decreases toward the rear (backrest portion 2).

[0057] Here, each of the fixtures 1A, 1B, and 1C has upward protrusions 21 and forward protrusions 31 extending to the left and right ends (ends 1A(R) and 1A(L) of fixture 1A), providing cushioning all the way to the ends. Therefore, even when the fixtures are connected to each other as shown in Figure 1, the connection points are cushioned, and there is no discomfort when sitting on the connection points.

[0058] However, the present invention is not limited to this. That is, the fixture is not limited to an embodiment in which upward protrusions 21 and forward protrusions 31 are provided all the way to the left and right ends. Fig. 6 is an external perspective view of fixture 1C' showing another embodiment of fixture 1C.

[0059] The fixture 1C' shown in FIG. 6 has vertically extending walls 11 at its left and right ends 1C'(R) and 1C'(L). Such walls 11 may also be located at the ends 1A(R) and 1A(L) of the fixture 1A, or at the left and right ends of the fixture 1B. A single fixture may have a wall 11 only at one end, rather than at both ends. In other words, in the fixture system 10A shown in FIG. 1, a wall 11 may be located at the left end of the fixture 1C on the left side of the drawing, and a wall 11 may also be located at the right end of the fixture 1C on the right side of the drawing, with no walls provided at the joints between the fixtures in between.

[0060] The furniture system 10A shown in Figure 1 is just one example. Other examples of furniture systems can be realized by combining furniture in various ways to create a variety of designs. It is also possible to combine multiple pieces of the same furniture. For example, Figure 7 shows four pieces of the furniture 1B described above, with the backrest 3 of each piece positioned on the inner periphery and the seat 2 of each piece positioned on the outer periphery, forming a furniture system 10A' that is circular in plan view.

[0061] 1 and 6, the furniture system 10A may be provided with a side table 5 that can be used, for example, to place an object on when a person is seated on the furniture 1C. As an example, the side table 5 may be fixed to legs that extend toward the floor surface 50 of the furniture 1C. In addition to the side table, a power outlet and a USB port, for example, may also be provided.

[0062] As described above, according to this embodiment, the rear upward protrusion 21a, which the buttocks of a person seated on the seat surface 20 come into contact with, is more likely to be crushed and deformed, while the front upward protrusion 21b acts as a stopper, making it difficult for the person to slide forward. This makes it possible to provide furniture that makes it easy for the seated person to maintain a seated posture. Furthermore, because the cross-sectional shape of the upward protrusion 21 along the front-to-rear direction is semicircular, it is easy to provide resistance to the force of sliding forward.

[0063] The left-right width of the fixtures 1A, 1B, and 1C described in the first embodiment is such that two or more people can sit side by side. However, this is not limiting, and the left-right width of the fixtures may be a width designed for one person to sit on.

[0064] In the first embodiment, the fixtures 1A and 1B are curved in the left-right direction, and the fixture 1C is linear in the left-right direction, but they are not limited to this. For example, they may be U-shaped or V-shaped in a plan view.

[0065] [Embodiment 2] Other embodiments of the present invention will be described below. For ease of explanation, the same reference numerals will be used to designate components having the same functions as those described in the above embodiment, and the description thereof will not be repeated.

[0066] This embodiment differs from the fixture system of embodiment 1 in that multiple fixtures (furniture systems) are arranged front to back. Fixture system 10B of this embodiment has a rear row of fixtures 1D (which may be a fixture system including fixture 1D) arranged behind a front row of fixtures 1C (which may be a fixture system including fixture 1C). Furthermore, fixture system 10B is configured such that the height 20c of seat 20 of fixture 1C is lower than the height 20d of seat 20 of fixture 1D.

[0067] By setting the height of the seat surface 20 in this way, the line of sight of a person seated in the rear row of fixture 1D is not blocked by the person (mainly the person's head) seated in the front row of fixture 1C. This creates an environment where, for example, it is easy to see an event further forward than the front row of fixture 1C (a screen showing a show, or someone speaking to the person seated in fixture system 10B), creating a comfortable atmosphere. Furthermore, fixture 1C and fixture 1D each have the upward-facing convex portion 21 and the forward-facing convex portion 31 described in the first embodiment above. This makes it easier for seated people to maintain their seated posture, allowing them to sit comfortably for long periods of time.

[0068] Furthermore, in furniture system 10B, the inclination angle θD of the backrest of furniture 1D in the rear row is shallower (smaller) than the inclination angle θC of the backrest of furniture 1C in the front row. In other words, compared to a person seated in furniture 1D in the rear row, a person seated in furniture 1C in the front row will be in a reclined position with their back tilted further back. In other words, a person seated in furniture 1D in the rear row will be seated with a more upright posture than a person seated in furniture 1C in the front row. As a result, similar to the seat height configuration described above, the eye level of a person seated in furniture 1C in the front row can be lowered than the eye level of a person seated in furniture 1D in the rear row, so as not to obstruct the field of view of people in the rear row.

[0069] The height 20c from the floor 50 to the seat 20 of the front row fixture 1C can be, for example, 300 to 380 mm (350 mm in the illustrated example). In contrast, the height 20d from the floor 50 to the seat 20 of the rear row fixture 1D can be, for example, 430 to 550 mm (450 mm in the illustrated example). Note that the height 20d of the seat 20 of the rear row fixture 1D can also be, for example, 580 to 750 mm.

[0070] The angle of inclination θC of the backrest of the furniture 1C in the front row is, for example, 90 to 155°, and the angle of inclination θD of the backrest of the furniture 1D in the rear row is, for example, 90 to 135°, but is not limited to these values.

[0071] Furthermore, in the case of a fixture 1D with a high seat, a footrest 7 as shown in FIG. 8 may be provided.

[0072] [Embodiment 3] Other embodiments of the present invention will be described below. For ease of explanation, the same reference numerals will be used to designate components having the same functions as those described in the above embodiment, and the description thereof will not be repeated.

[0073] Fig. 9 is a plan view of the furniture system 10C of this embodiment. Similar to Fig. 1, Fig. 9 shows the furniture system 10C placed on the floor 50 as viewed from the top. Furniture system 10C has a top plate 8 disposed adjacent to and behind the backrest 3 of the furniture 1A described above.

[0074] The top board 8 is a table that can be used by a person behind the top board 8 to place something or write.

[0075] Fig. 10 is a side view of a portion of the furniture system 10C viewed in the direction of the arrow in Fig. 9. As shown in Fig. 10, the tabletop 8 includes an upper surface 8c, a tabletop front edge 8a located on the front side of the edges of the upper surface 8c, and a tabletop rear edge 8b located on the rear side. As shown in Fig. 9, the tabletop 8 has an upper surface 8c that extends in an arc shape in a plan view. Accordingly, as shown in Fig. 10, both the tabletop front edge 8a and the tabletop rear edge 8b also extend in an arc shape, and the tabletop front edge 8a and the tabletop rear edge 8b are approximately parallel.

[0076] The furniture system 10C further includes a tabletop support 81 that supports the tabletop 8. The tabletop support 81 is placed on a horizontal floor 50 along the XY plane shown in FIG. 10. The tabletop support 81 may be integrated with the legs of the furniture 1A. In other words, the structure on the tabletop 8 side and the furniture 1A may be configured as an integrated unit. However, instead of being integrated, the structure on the tabletop 8 side and the furniture 1A may be realized as separate, independent structures.

[0077] 10, a step of approximately 100 mm is provided between the top plate 8 and the upper surface 32a of the backrest 3 (back cushion 32) so that the upper surface 32a is higher than the upper surface 8c of the top plate 8. Furthermore, in such a design, one or more power supply units 83 such as outlets or USBs may be provided on the surface of the backrest 3 facing the top plate 8, at a position higher than the upper surface 8c of the top plate 8. However, the upper surface 8c of the top plate 8 and the upper surface 32a of the backrest 3 (back cushion 32) may be positioned at the same height, or the upper surface 32a of the backrest 3 (back cushion 32) may be positioned lower than the upper surface 8c of the top plate 8.

[0078] 10, a back panel 84 is provided below the front edge 8a of the top panel 8, extending downward from the underside of the top panel 8. A space capable of accommodating a cable connected to the power supply unit 83 is provided between the back panel 84 and the backrest 3, and a portion of the back panel 84 may be configured to be removable and serve as an inspection panel for maintaining the power supply unit 83 and the cable connected to the power supply unit 83.

[0079] In the furniture fixture system 10C, the tabletop 8 is curved in accordance with the curvature of the backrest 3 of the furniture fixture 1A. Therefore, in a plan view, the furniture fixture system 10C is reminiscent of ripples due to the curved shape of the seat cushion 22, the curved shape of the backrest 3 (back cushion 32) located along its periphery, and the curved shape of the tabletop 8 (upper surface 8c) located along its periphery. In particular, the furniture fixture system 10C is configured such that multiple combinations of the furniture fixture 1A and the tabletop 8 are lined up on an imaginary elliptical line, as shown in FIG. 9. This further enhances the design's resemblance to ripples. The arrangement is not limited to an ellipse, and the furniture fixtures can be arranged along an imaginary circular line, including a circle, a fan, or other shape.

[0080] The fixture system 10C is configured with multiple fixtures lined up on an oval-shaped imaginary line, and a gap S is provided in part of the imaginary line. The presence of the gap S makes it easy for people to move through the gap S.

[0081] Note that the configuration in which the table top 8 is arranged behind the backrest 3 of fixture 1A, as in fixture system 10C, can also be configured in which the table top 8 is arranged behind the backrest 3 of fixture 1B described above instead of fixture 1A, or behind the backrest 3 of fixture 1C. Note that the table top 8 arranged behind linear fixture 1C is preferably linear. Also, in the configuration in which fixtures 1C and 1D are arranged front to back as shown in Figure 8, table tops may be arranged behind each fixture.

[0082] [Appendix 1] The fixture of aspect 1 of the present invention has a seat cushion portion in which a plurality of upwardly facing convex portions with cushioning properties that protrude upward are arranged along a first direction from the rear side of the seat surface to the front, and the upwardly facing convex portions extend along a second direction that intersects with the first direction.

[0083] The configuration of the first aspect provides a furniture piece that allows a seated person to easily maintain a seated posture. Specifically, the configuration of the first aspect provides that the rear upward convex portion, which the seated person's buttocks come into contact with, is more likely to be crushed and deformed, while the front upward convex portion acts as a stopper to prevent the seat from sliding forward.

[0084] Furthermore, according to the configuration of the first aspect, a plurality of upward convex portions extending in the second direction are formed in the first direction, which makes it possible to provide a design that is reminiscent of a wave pattern in appearance.

[0085] In addition to the configuration of the first aspect, the fixture according to the second aspect of the present invention may be such that the upwardly protruding portion has a cross-sectional shape along the first direction that is approximately semicircular.

[0086] The fixture according to the second aspect can easily resist forward sliding force.

[0087] The fixture of aspect 3 of the present invention may further have, in addition to the configuration of aspect 1 or 2, a backrest portion capable of supporting the back of a person seated on the seat, and the backrest portion may have a back cushion portion having a plurality of forward-facing convex portions with cushioning properties that protrude forward along a third direction extending upward from the lower part of the backrest portion, and the forward-facing convex portions may be configured to extend along a fourth direction that intersects with the third direction.

[0088] According to the configuration of the third aspect, it is possible to provide furniture that allows seated people to maintain a seated posture more easily.

[0089] That is, according to the configuration of the third aspect, the rear upward convex portion, which the seated person's buttocks come into contact with, is more likely to be crushed and deformed, while the front upward convex portion acts as a stopper to prevent forward sliding. In addition, the forward convex portion of the backrest functions as a slide resistance by contacting the person's back. This prevents the buttocks from slipping forward and the back from slipping downward. This makes it easier for the seated person to maintain a seated posture.

[0090] Furthermore, according to the configuration of the third aspect, a plurality of forward-facing convex portions extending from the backrest in the fourth direction are formed in the third direction, thereby providing a design reminiscent of a wave pattern in appearance.

[0091] The fixture of aspect 4 of the present invention may have the same configuration as aspect 3, but in addition, a cover fabric is stretched over the seat cushion portion and the back cushion portion, and the cover fabric is stretched to conform to the shape of the multiple upwardly facing convex portions.

[0092] According to the configuration of the fourth aspect, a sliding resistance is generated at the contact points between the cover fabric and the seated person, making it possible to provide furniture that makes it easier for the seated person to maintain a seated posture.

[0093] In addition to the configuration of the third aspect, the fixture of the fifth aspect of the present invention may be configured such that, when viewed in a plan view, the upwardly facing convex portion and the forwardly facing convex portion extend parallel to each other.

[0094] According to the configuration of the fifth aspect, it is possible to create a sense of uniformity in appearance.

[0095] The fixture of aspect 6 of the present invention may be configured such that, in addition to the configuration of aspect 5, the seat cushion portion and the back cushion portion have curved contours when viewed in a plane, and the upward convex portion and the forward convex portion also extend parallel to the contours when viewed in a plane.

[0096] According to the configuration of the sixth aspect, it is possible to provide fixtures that have a circular appearance.

[0097] In addition to the configuration of aspect 5, the fixture of aspect 7 of the present invention may be configured such that the multiple upward protrusions include a first upward protrusion close to the rear side and a second upward protrusion adjacent to the front side of the first upward protrusion, the multiple forward protrusions include a first forward protrusion close to the lower part and a second forward protrusion adjacent to the upper side of the first forward protrusion, the first upward protrusion, the second upward protrusion, and the first forward protrusion are positioned in a position that can support the buttocks of a person seated on the seat, the first forward protrusion is a pelvic support portion that can support the pelvis of the seated person, and the second forward protrusion is a lumbar support portion that can support the lumbar vertebrae of the seated person.

[0098] According to the configuration of the seventh aspect, an environment can be provided in which a seated person can maintain a comfortable seated posture.

[0099] The fixture system of aspect 8 of the present invention comprises a plurality of fixtures of any of aspects 1 to 7, and the plurality of fixtures are connected so that the upwardly facing convex portions of each fixture are continuous when viewed in a plane.

[0100] The configuration of the eighth aspect provides a furniture system that allows a seated person to easily maintain a seated posture. Specifically, the upward convex portion at the rear, which the seated person's buttocks come into contact with, is more likely to be crushed and deformed, while the upward convex portion at the front acts as a stopper to prevent the furniture from sliding forward.

[0101] Furthermore, according to the configuration of the eighth aspect, a plurality of upward convex portions extending along the second direction of the fixture are formed in the first direction, thereby providing a design that is reminiscent of a wave pattern in appearance.

[0102] [Appendix 2] The present invention is not limited to the above-described embodiments, and various modifications are possible within the scope of the claims. Embodiments obtained by appropriately combining the technical means disclosed in different embodiments are also included in the technical scope of the present invention. [Explanation of symbols]

[0103] 1A, 1B, 1C, 1D Fixtures 2 Seat part 3 Backrest 8. Top plate 10A, 10B, 10C Fixture System 20 seat 20a Front edge of seat 20b Rear edge of seat 21 Upward convex part 21a First upward convex part 21b Second upward convex portion 21c Third upward convex part 22 Seat cushion part 30a Rear edge of backrest 30b Front edge of backrest 31 Forward-facing convex part 31a First forward-facing convex part 31b Second forward-facing convex part 31c Third forward-facing convex part 32 Back cushion section 32a Upper surface of back cushion 35 Back 36 Rearward-facing convex part 40 Cover Fabric 50 floor

Claims

1. a seat cushion portion having a plurality of upwardly projecting protrusions having cushioning properties that protrude upward along a first direction from the rear side of the seat surface toward the front, The upward convex portion extends along a second direction intersecting the first direction. furniture.

2. The upward convex portion has a cross-sectional shape along the first direction that is substantially semicircular. The fixture according to claim 1.

3. The seat further includes a backrest portion capable of supporting the back of a person seated on the seat surface, the backrest portion has a back cushion portion on which a plurality of forward-facing convex portions having cushioning properties and protruding forward are arranged along a third direction extending from a lower portion of the backrest portion upward, The forward-facing convex portion extends along a fourth direction intersecting the third direction. The fixture according to claim 1 or 2.

4. A cover fabric is stretched over the seat cushion portion and the back cushion portion, The cover fabric is stretched so as to conform to the shapes of the plurality of upwardly protruding portions. The fixture according to claim 3.

5. In a plan view, the upward convex portion and the forward convex portion extend in parallel. The fixture according to claim 3.

6. The seat cushion portion and the back cushion portion have curved contours in a plan view, The upward convex portion and the forward convex portion also extend parallel to the contour in a plan view. The fixture according to claim 5.

7. the plurality of upward protrusions include a first upward protrusion adjacent to the rear side and a second upward protrusion adjacent to the front side of the first upward protrusion, the plurality of forward-facing protrusions include a first forward-facing protrusion adjacent to the lower portion and a second forward-facing protrusion adjacent to an upper side of the first forward-facing protrusion, the first upward convex portion, the second upward convex portion, and the first forward convex portion are arranged at positions that can support the buttocks of a person seated on the seat surface, the first forward-facing convex portion is a pelvis support portion capable of supporting the pelvis of the seated person, the second forward-facing convex portion is a lumbar support portion capable of supporting the lumbar vertebrae of the seated person. The fixture according to claim 5.

8. A plurality of fixtures according to any one of claims 1 to 7 are provided, The plurality of fixtures are connected so that the upward convex portions of each fixture are continuous in a plan view, Fixture system.

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