JP2001054444A - Bed and chair in one - Google Patents

Abstract

PROBLEM TO BE SOLVED: To use a bed as a chair in one and to make height and angle of inclination of the seat face of the chair to an ideal condition. SOLUTION: A top bed part 1 and a bottom bed part 4 which are folded into a piled condition and are used as a chair is provided. The top bed part 1 and the bottom bed part 4 are provided with bed legs on their end parts. The bottom bed part 4 has stopper partition walls 11 for preventing bedclothes from being transversely deviated and falling down projected on the top face on both sides. Under a condition where the bed is folded to be used as the chair, the bottom bed part 4 is piled up on the lower side and the stopper partition walls 11 of the bottom bed part are used as legs of the chair in one.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a foldable bed, and more particularly, to a chair that can be used as a chair in a folded state, in addition to being usable as a bed in an expanded state.

[0002]

2. Description of the Related Art Folding beds have been developed and are widely used. This type of bed has a structure in which a bed surface is divided into a plurality of sections, and the divided bed sections are connected in a freely bendable manner, and these sections can be folded by the connecting sections. This kind of bed has a structure that can be used as a bed in an expanded state and can be stored compactly in a folded state.

Further, this kind of bed can be conveniently used if it can be used as a chair in a folded state. This kind of folding bed is a utility model registration No. 3044477,
And Utility Model Registration No. 3050884.

As shown in FIG. 1, the folding bed described in Utility Model Registration No. 3044477 is such that a three-part bed can be folded and used as a chair. In this bed, a head frame, an intermediate frame 32, and a foot frame 33 form a bed skeleton, and a mat 34 is fixed to an upper surface of each frame. In this bed, a head-side frame 31 and a foot-side frame 33 are connected to both ends of an intermediate frame 32 in a freely bendable manner.
This bed has a structure that can be used as a chair, as shown in the figure, by making the connecting portion between the head side frame 31 and the intermediate frame 32 into a mountain fold and making the connecting portion between the foot side frame 33 and the intermediate frame 32 into a valley fold. ing.

Further, as shown in FIG. 2, the sofa bed described in Utility Model Registration No. 3050884 can be used as a chair by folding a bed divided into three parts. This bed has a seat 35, a connecting seat 3
6. Each of the bed portions including the extension seats 37, and a base seat 38 disposed below these bed portions. Leaning seat 35
Has one end foldably connected to the connection seat 36 and the other end rotatably connected to the edge of the upper surface of the base 38. The connection seat 36 is connected at both ends to the backrest 35 and the extension seat 37 in a freely bendable manner. The extension seat 37 has one end connected to the connection seat 36 so as to be freely bent, and a caster 39 attached to the lower end of the other end. Further, the extending portion 37 is connected so as to be slidable with respect to the base 38 while sliding. When the extension portion 37 slides while sliding in the direction of the base 38, the bed 37 and the connection seat 3 are moved.
6, the connecting portion between the connecting seat 36 and the extension seat 37 is folded in a valley fold, so that the seat can be used as a chair having the extending seat 37 as a seat portion.

[0006]

These beds have the advantage that they can be used as chairs when folded, and that they can be used conveniently, in addition to being usable as beds when unfolded. However, these beds, when used as a bed when used as a chair,
There was a drawback that the height of the upper surface could not be made ideal for beds and chairs. The height of the seat when used as a chair,
This is because the height is the same as the height of the upper surface used as a bed.

[0007] The present invention has been developed for the purpose of solving such disadvantages. An important object of the present invention is to provide a chair / bed which can be used together with a foldable bed, and which can make the height and the inclination angle of the seating surface ideal when used as a chair.

[0008]

SUMMARY OF THE INVENTION The chair / bed of the present invention comprises an upper bed section 1 and a lower bed section 4 which are connected so as to be foldable with their back surfaces approaching each other.
The upper bed section 1 and the lower bed section 4 have all the following configurations. Furthermore, the chair / bed can be used as a bed when the upper bed section 1 and the lower bed section 4 are deployed, and can be used as a chair when the upper bed section 1 and the lower bed section 4 are folded. (A) The upper bed 1 has an upper cushion 3 disposed on an upper frame 2, and the lower bed 4 has a lower frame 5
The lower cushion 6 is disposed on the upper side. (B) The upper bed section 1 and the lower bed section 4 have bed legs at the ends. (C) The upper cushion 3 has a fixing portion 3B fixed to the upper frame 2 and a backrest portion 3A that tilts up and down. (D) The backrest 3A is tilted in the vertical direction from the horizontal posture, and has a structure that can be locked at the tilted position. (E) On both sides of the lower bed part 4, stopper walls 11 for preventing the bedding laid on the upper surfaces of the upper and lower bed parts 4 from laterally falling and protruding are provided on the upper surface. (F) In a state where the upper bed section 1 and the lower bed section 4 are folded and used as a chair, the lower bed section 4 is laminated on the lower side and the upper bed section 1 is laminated on the upper side. The upper surface of the upper bed 1 is horizontally or inclinedly supported by the stopper bulkhead 11 and the bed leg connected to the end of the upper frame 2 in combination with the chair leg.

Further, according to the second aspect of the present invention, in the state where the upper bed portion 1 and the lower bed portion 4 are folded and used as a chair, the stopper partition wall 1 of the lower bed portion 4 can be used.
1 is used in combination with the chair legs to support the upper surface of the laminated upper bed portion 1 in a horizontal or inclined posture.

According to a third aspect of the present invention, in the chair / bed, the stopper partition wall 11 is inclined upward from the end of the lower bed section 4 toward the bent connecting section. In a state where the portion 4 is folded and used as a chair, the upper surface of the upper bed portion 1 is supported in a posture inclined downwardly toward the backrest portion 3A.

According to the fourth aspect of the present invention, the backrest 3A and the upper frame 2 are connected at both sides by a bending arm 10, and the backrest 3A is tilted in the vertical direction. With armrests.

In this specification, the upper bed means the half surface of the portion where the upper body is located when lying on the bed, and the lower bed means when the lower body is located when lying on the bed. Shall mean the half surface of the part to be processed.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. However, the embodiment described below exemplifies a chair / bed for embodying the technical thinking of the present invention, and the present invention does not specify the chair / bed as follows.

Further, in this specification, in order to make it easy to understand the claims, the numbers corresponding to the members shown in the embodiments will be referred to as “claims” and “ In the column of “means”. However, the members described in the claims are not limited to the members of the embodiments.

The chair / bed shown in FIG. 3 to FIG.
An upper bed section 1 and a lower bed section 4 are provided, and these are connected so as to be freely deployable horizontally and foldable in a mountain shape.
Further, as shown in FIGS. 3 to 5, the chair / bed is used as a bed in a state where the upper bed 1 and the lower bed 4 are unfolded horizontally, and is folded as shown in FIGS. 6 and 7. It is stored compactly in a folded state, and is folded down from the folded state, as shown in FIG. 8, in a state where the lower bed section 4 is located on the lower side and the upper bed section 1 is located on the upper side, and used as a chair.

The upper bed section 1 includes an upper frame 2 bent in a U-shape, and an upper cushion 3 mounted on and connected to the upper surface of the upper frame 2. The lower bed portion 4 includes a lower frame 5 bent in a U-shape, and a lower cushion 6 mounted on and connected to the upper surface of the lower frame 5. The upper bed section 1 and the lower bed section 4 are formed into a rectangular flat plate by the respective frames and the respective cushions. The upper bed section 1 and the lower bed section 4 have substantially the same size, and as shown in FIG. 6 and FIG.
Fold it in one. However, upper bed part 1 and lower bed part 4
Can have slightly different sizes.

The upper frame 2 and the lower frame 5 are obtained by bending a metal cylinder into a U-shape. The upper frame 2 and the lower frame 5 are connected so that their respective ends can be bent via a connecting member 12. The connecting member 12 is formed by fixing a groove-shaped metal fitting to both ends of a metal cylinder. The upper frame 2 and the lower frame 5 are rotatably connected via connecting pins 13 with their ends inserted into the groove-shaped metal fittings. The upper frame 2 and the lower frame 5 each have a structure that can rotate around the connecting pin 13 and bend while bringing the back surfaces of the upper bed portion 1 and the lower bed portion 4 close to each other.

The upper cushion 3 and the lower cushion 6 have a frame or a flat plate built therein, and are designed to have a strength capable of supporting even if a person is placed on the upper surface. The upper cushion 3 and the lower cushion 6 each have a mat member stretched on the surface of a frame or a flat plate. The upper cushion 3 and the lower cushion 6 are fixed to the upper surfaces of the upper frame 2 and the lower frame 5, respectively, and form a bed surface.

Further, the upper cushion 3 is divided at the center and provided with a tilting backrest 3A and a fixing portion 3B fixed to the upper frame 2. The upper cushion 3 is divided into two about half the size in a direction parallel to the boundary between the upper bed 1 and the lower bed 4, and the backrest 3 tilts at the distal end.
A, and the connection side with the lower bed part 4 is a fixing part 3B. The backrest portion 3A and the fixed portion 3B are foldably connected via a rotation shaft. Further, although not shown, the rotating shaft has a ratchet mechanism, and has a structure capable of stopping the backrest portion 3A tilting with respect to the fixed portion 3B in a stepwise manner. However, the upper cushion may be configured to be electrically tilted and stopped at a predetermined position without providing a ratchet mechanism on the rotation shaft.

The backrest portion 3A has the center portions on both sides connected to both sides of the upper frame 2 via bending arms 10. The bent arm 10 includes a vertical pipe 10A and a horizontal pipe 10
The two metal pipes made of B are connected to bend freely. The bending arm 10 is connected to the end of the horizontal pipe 10B on the side of the central part of the backrest 3A, and the end of the vertical pipe 10A is turned on the side of the upper frame 2 to which the fixed part 3B is connected via the rotating shaft 14, respectively. It is movably connected. The tip of the horizontal pipe 10B is connected to a frame or a flat plate incorporated in the backrest 3A. Folded arm 1 of this structure
0 is stored linearly when the backrest 3A is in a horizontal posture as shown in FIG. 5, and as shown in FIGS. 3 and 4,
When the backrest 3A is tilted in the vertical direction, it is bent and protrudes upward. The bent arm 10 protrudes while forming a square with the backrest portion 3A and the fixed portion 3B to realize armrests.

Further, the bent arm 10 shown in the figure has a middle portion covered with a cushioning member 15. In the cushioning member 15,
Rubber-like elastic materials, soft plastics, cushioning materials, cloths and the like can be used. As described above, the bent arm 10 covered with the cushioning member 15 can protect the connecting portion between the vertical pipe 10A and the horizontal pipe 10B and, when used as an armrest, improve the feel and comfortably the elbow and the arm. There is a feature that can put.

Further, the bending arm 10 is connected to the upper frame 2
The structure is such that the length of the vertical pipe 10 </ b> A connected to the pipe can be changed. As shown in FIG. 9, the bent arm 10 has a structure in which the vertical pipe 10A has a double-cylinder structure, and the outer pipe 10a and the inner pipe 10b can be relatively displaced in position to expand and contract. The lower end of the inner cylinder 10b is rotatably connected to the side surface of the upper frame 2, and the upper end is inserted into the outer cylinder 10a. A locking projection 16 elastically protruding in the radial direction is provided at an intermediate portion of the inner cylinder 10b. The outer cylinder 10a has a plurality of positioning holes 17 opened at predetermined intervals along a path along which the locking projection 16 of the inserted inner cylinder 10b moves.

The bent arm 10 having this structure is provided with the locking projection 1.
The vertical pipe 10A can be expanded and contracted by changing the position of the positioning hole 17 from which the protrusion 6 projects. When changing the length, the locking projection 16 is pushed inward to slide the inner cylinder 10b and the outer cylinder 10a to change the position of the positioning hole 17. Thus, the bent arm 1 that can change the length of the vertical pipe 10A
0, as shown in FIG. 4, the vertical pipe 10A is extended in a state of using as a bed, and as shown in FIG. 8, in a state of using as a chair, the vertical pipe 10A is contracted to horizontally move the horizontal pipe 10B. Adjust to the posture. Horizontal pipe 10
The bending arm 10 that can adjust B to a horizontal posture is always
You can rest your elbows in a comfortable position.

The upper bed section 1 has a first bed leg 7 fixed to the tip of the upper frame 2. The first bed legs 7 support the upper frame 2 and arrange the bed surface at a position higher than the floor surface. The first bed leg 7 is formed by bending a metal pipe into a U shape. The first bed leg 7 is fixed vertically at two intermediate positions to the outer surface, which is the tip of the frame of the upper bed portion 1. The first bed leg 7 has an upper portion curved in an arc shape, and this curved portion protrudes upward from the upper frame 2 and is fixed. On the outer surface of the upper bend, wheels 9
Is provided. Further, the first bed leg 7 extends to the floor surface with the lower part being linear, and the wheel 9 is provided at the lower end.

The lower bed 4 has second bed legs 8 fixed to the distal ends on both sides of the lower frame 5. 2nd bed leg 8
Supports both sides of the lower frame 5 and arranges the bed surface at a position higher than the floor surface. The second bed leg 8 is formed by bending a metal pipe into a U-shape. The second bed leg 8
The intermediate portion is rotatably connected to the side surface of the lower frame 5 via a rotating shaft 18. Further, the second bed leg 8 has both ends extended to the floor surface, and wheels 9 at the lower end. The lower end of the second bed leg 8 is connected via a connection plate 19. The two second bed legs 8 arranged on both sides of the lower bed portion 4 further connect the connection plates 19 to each other with a connection rod 20. As described above, the second bed legs 8 connected to each other by the connecting rods 20 have a feature that they can rotate together with respect to the lower frame 5. As shown in FIG. 6, the rotating second bed leg 8 can fold the upper bed 1 and the lower bed 4 into a mountain shape while rotating the wheels 9 along the floor surface. However, the second bed leg does not necessarily need to be connected to the lower frame because of its rotatable structure. The second bed leg can be fixed to the lower frame as the same structure as the first bed leg.

The first bed leg 7 and the second bed leg 8 are respectively connected to the upper frame 2 and the lower frame 5 so that the upper surface is horizontal when the upper bed portion 1 and the lower bed portion 4 are spread horizontally. Support at the same height. Further, the wheels 9 provided on the first bed legs 7 and the second bed legs 8 are preferably free wheels 9. As shown in FIG. 5, the bed provided with the free wheel 9 on the first bed leg 7 and the second bed leg 8 has:
It has a feature that it can be moved in a free direction extremely easily in a state where it is used as a bed or in a folded state as shown in FIG. However, for these wheels, wheels that can move only in one direction can be used.

Further, the lower bed portion 4 has stopper partitions 11 fixed to both side surfaces of the lower frame 5. The stopper partition 11 is disposed so as to protrude upward from the lower bed portion 4. As shown in FIG. 8, the stopper partition 11 is a leg that supports the lower frame 5 when the bed is folded down and the lower bed portion 4 is turned down so as to be used as a chair. Accordingly, when the stopper bulkhead 11 is used as a chair, the amount of protrusion of the stopper bulkhead 11 becomes the fixed portion 3B serving as a seat.
Is set to an optimal value that makes a downward slope toward the backrest 3A.

The stopper partition 11 shown in the figure is formed by bending a metal pipe into a substantially U-shape. Stopper partition 11
In the state in which the bent intermediate portion is projected above the lower bed portion 4, both ends of the bent metal pipe are vertically fixed to the connecting portion side and the intermediate portion of the lower frame 5, respectively. . As shown in FIG. 5, the stopper bulkhead 11 can be conveniently used as a grip when standing up or sitting when used as a bed, and effectively prevents a bedding or a blanket spread on the bed from slipping off the bed. There is also a feature to do.

Further, the stopper partition 11 has a buffer member 21 fixed to the protruding portion. Stopper partition 11 shown in the figure
Is covered with a cushioning member 21 in a tubular shape around the metal pipe. For the buffer member 21, a rubber-like elastic body, a soft plastic, or the like can be used. The cushioning member 21 includes the stopper partition 1
In addition to improving the feel when the handle 1 serves as a grip, the contact surface between the metal pipe and the floor is cushioned and protected when used as a chair leg.

Further, the stopper partition 11 shown in FIG.
The lower bed portion 4 is inclined upward from the end to the bent connection portion. The stopper partition 11 having this structure is similar to that shown in FIG.
As shown by the symbol, when used as a leg of a chair, there is a feature that the fixing portion 3B serving as the seat surface of the chair can be inclined downward toward the back. The seat surface that slopes down toward the back has the feature that it can be stably seated by sinking the waist deeply.

Further, in the chair / bed of the present invention, the stopper partition 11 may have a structure shown in FIG.
In this chair / bed, the lower bed 4 and the upper bed 1 are supported by a stopper partition 11 protruding from the lower bed 4 and the first bed legs 7 fixed to the upper frame 2. In the bed having this structure, the fixed portion 3B serving as a seat can be disposed so as to be inclined downward toward the backrest portion 3A. However, when the chair / bed of the present invention is used as a chair, the stopper can be supported by the stopper partition and the second bed leg so as to be inclined downward toward the backrest.

In the chair / bed of the above embodiment, the upper frame 2 and the upper cushion 3 of the upper bed 1 are substantially the same size, and the lower frame 5 and the lower cushion 6 of the lower bed 4 are formed.
Are almost the same size. However, although not shown, in the chair / bed of the present invention, the upper frame may have an outer shape smaller than the upper cushion, and the lower frame may have an outer shape smaller than the lower cushion. The chair / bed with this structure has a feature that the upper frame and the lower frame are located inside the upper cushion and the lower cushion, so that the hands and feet can be used comfortably without touching the metal frame. This chair / bed is provided with a rod extending outward from the outer surface of the frame located inside the cushion, and connects the first bed leg, the second bed leg, the stopper partition, and the bent arm.

The chair / bed of the present invention is used in the following three states. When used as a bed. As shown in FIG. 5, the upper bed part 1 and the lower bed part 4 are deployed in a horizontal posture, and the upper cushion 3 and the lower cushion 6 are expanded.
The upper surface of the is in a horizontal posture. In this state, it is used as a bed. Also, from this state, as shown in FIGS. 3 and 4, the backrest 3A can be freely tilted in the vertical direction and used conveniently according to the purpose.

When the bed is folded and stored. The upper bed section 1 and the lower bed section 4 are moved in the direction of approaching the back surface as shown in FIG. 6, and are folded into a mountain shape as shown in FIG. In this state, the bed is compactly folded and freely moved by the wheels 9 provided at the lower end, and is stored in a space-saving manner.

When used as a chair. As shown in FIG. 8, the upper bed 1 and the lower bed 4 are folded down and the lower bed 4 is turned down and the upper bed 1 is turned up. At this time, the stopper partition 11
Are used as legs for supporting the lower frame 5. As shown in the figure, the fixed portion 3B serving as the seat surface of the chair is disposed with a downward slope toward the back. Further, the backrest 3A is tilted in the vertical direction to provide a backrest of the chair. At this time, the bending arm 10 protrudes upward to form an armrest. In this state, the lower back can be sunk deeply and stably seated on the fixed portion 3B disposed on the down slope.

[0036]

The bed of the present invention can be folded and used together with a chair, and when used as a chair, the height and the inclination angle of the seat surface can be made ideal. That is, when the chair / bed of the present invention is used as a chair, the lower bed part and the upper bed part are laminated by folding in the middle, and the lower bed part is turned upside down and used as a bed. This is because the upper surface to be used is a lower surface and the stopper partition provided in the lower bed is used together with the legs of the chair to support the upper bed. When used as a bed, the stopper partition walls are provided to protrude upward on both sides of the lower bed in order to prevent the bedding laid on the upper surfaces of the upper and lower beds from falling sideways. For this reason, when used as a bed, the height of the stopper partition does not specify the height of the bed. Therefore, the height of the top of the bed is
The bed legs provided on both sides of the upper and lower beds are specified.

However, when used as a chair,
It is folded in the middle and the upper bed part and the lower bed part are stacked, and in this state, the lower bed part is the lower layer, and the upper and lower surfaces of the lower bed part are reversed from the state of the bed, so the upper surface of the lower bed part The stopper partition wall that has protruded below the lower bed portion serves as a chair leg. Therefore, the height and the inclination angle of the upper bed portion serving as the seat surface of the chair can be adjusted by the height of the stopper partition wall. Therefore, the chair / bed of the present invention has a feature that it can be adjusted to an ideal height when used as a bed and when used as a chair.

Further, the chair / bed of the present invention is shown in FIG.
As shown in FIG. 10 and FIG. 10, by making the stopper bulkhead higher than the bed legs, it is possible to incline the upper bed portion, which becomes the seat surface when used as a chair, downwardly toward the backrest. Therefore, when used as a bed, the chair / bed of the present invention can have a horizontal top surface, and can be inclined to a seating surface when used as a chair. Therefore, the chair / bed of the present invention is:
It is ideal for both beds and chairs and has the feature of being extremely comfortable to use.

Further, according to the fourth aspect of the present invention, there is provided a chair / bed which has both sides of the backrest and the upper frame connected by a bent arm, and the bent arm is connected to an armrest while the backrest is tilted vertically. Therefore, when used as a sofa, it has the feature that it can be used comfortably by placing the elbow or arm on the armrest.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which a conventional folding bed is used as a chair.

FIG. 2 is a side view showing a use state of another conventional folding sofa bed.

FIG. 3 is a perspective view of a chair / bed according to the embodiment of the present invention.

FIG. 4 is a side view of the chair / bed shown in FIG. 3;

5 is a side view showing a state in which the backrest of the chair / bed shown in FIG. 4 is in a horizontal posture.

FIG. 6 is a side view showing a state in which the chair / bed according to the embodiment of the present invention is folded.

FIG. 7 is a side view showing a state where the chair / bed according to the embodiment of the present invention is folded.

FIG. 8 is a side view showing a state in which the chair / bed of the embodiment of the present invention is used as a chair.

FIG. 9 is an enlarged perspective view showing a vertical pipe of a bent arm.

FIG. 10 is a side view showing a state in which the chair / bed of another embodiment of the present invention is used as a chair.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Upper bed part 2 ... Upper frame 3 ... Upper cushion 3A ... Backrest part 3
B ... Fixing part 4 ... Lower bed part 5 ... Lower frame 6 ... Lower cushion 7 ... First bed leg 8 ... Second bed leg 9 ... Wheel 10 ... Bending arm 10A ... Vertical pipe 1
0B ... horizontal pipe 10a ... outer cylinder 10b ... inner cylinder 11 ... stopper partition 12 ... connecting member 13 ... connecting pin 14 ... rotating shaft 15 ... buffer member 16 ... locking convex part 17 ... positioning hole 18 ... rotating shaft 19 ... connecting Plate 20 ... Connecting rod 21 ... Buffer member 31 ... Head frame 32 ... Intermediate frame 33 ... Foot side frame 34 ... Mat 35 ... Resting seat 36 ... Connecting seat 37 ... Extension seat 38 ... Base seat 39 ... Caster

Claims (4)

[Claims] 1. An upper bed part (1) and a lower bed part which are connected so that they can be folded with their back surfaces approaching each other.
(4), the upper bed section (1) and the lower bed section (4) have all the following configurations, and the upper bed section (1) and the lower bed section (4)
And used as a bed in the unfolded state, the upper bed part
A chair / bed which can be used as a chair in a state where (1) and the lower bed (4) are folded. (A) The upper bed (1) has an upper cushion (3) disposed on the upper frame (2), and the lower bed (4) has a lower cushion (3) on the lower frame (5). 6) is arranged. (B) The upper bed section (1) and the lower bed section (4) have bed legs at the ends. (C) The upper cushion (3) has a fixing portion (3B) fixed to the upper frame (2) and a backrest (3A) that tilts up and down. (D) The backrest (3A) is tilted in the vertical direction from a horizontal posture, and has a structure that can be locked at the tilted position. (E) On both sides of the lower bed portion (4), a stopper partition (11) that protrudes from the upper surface to prevent the bedding laid on the upper surface of the upper and lower bed portions (4) from falling sideways. (F) In a state where the upper bed section (1) and the lower bed section (4) are folded and used as a chair, the lower bed section (4) is placed on the lower side,
The upper bed part (1) is stacked on the upper side, the stopper partition (11) of the lower bed part (4) is used together with the chair leg, and further, the stopper partition (11) and the end of the upper frame (2) are attached. The upper surface of the upper bed portion (1) is supported in a horizontal or inclined posture with the connected bed legs. 2. An upper bed part (1) and a lower bed part which are connected so that they can be folded with their back surfaces approaching each other.
(4), the upper bed section (1) and the lower bed section (4) have all the following configurations, and the upper bed section (1) and the lower bed section (4)
And used as a bed in the unfolded state, the upper bed part
A chair / bed which can be used as a chair in a state where (1) and the lower bed (4) are folded. (A) The upper bed (1) has an upper cushion (3) disposed on the upper frame (2), and the lower bed (4) has a lower cushion (3) on the lower frame (5). 6) is arranged. (B) The upper bed section (1) and the lower bed section (4) have bed legs at the ends. (C) The upper cushion (3) has a fixing portion (3B) fixed to the upper frame (2) and a backrest (3A) that tilts up and down. (D) The backrest (3A) is tilted in the vertical direction from a horizontal posture, and has a structure that can be locked at the tilted position. (E) On both sides of the lower bed portion (4), a stopper partition (11) that protrudes from the upper surface to prevent the bedding laid on the upper surface of the upper and lower bed portions (4) from falling sideways. (F) In a state where the upper bed section (1) and the lower bed section (4) are folded and used as a chair, the lower bed section (4) is placed on the lower side,
The upper bed (1) is stacked on the upper side, and the stopper partition (11) of the lower bed (4) is used together with the legs of the chair, and the upper surface of the stacked upper bed (1) is horizontally or inclined. We support in posture. 3. The stopper partition (11) is inclined upwardly from the end of the lower bed part (4) toward the bent connection part, and the upper bed part (1) and the lower bed part (4). The chair / bed according to claim 1 or 2, wherein the upper bed (1) is supported on the upper bed portion (1) in a posture inclined downwardly toward the backrest portion (3A) in a state where the upper bed portion is used as a chair. 4. A backrest (3A) and both sides of an upper frame (2) are connected by a bending arm (10), and the bending arm (10) is
The chair / bed according to claim 1 or 2, wherein the backrest (3A) is armrested in a state where the backrest (3A) is tilted in the vertical direction.