JPH05237020A - Bed to be used as sofa - Google Patents

Abstract

PURPOSE:To provide a bed to be used as a sofa which makes comfortable for sleeping in the bed mode and can house the back seat in the sofa mode without making any trouble. CONSTITUTION:A movable back seat of a common bed 10 to a sofa is divided to two halves 20, 22 of the back seat. The bed mode and the sofa mode are mutually changeable by making them transferable to the virtually upper first position of both boards 16, 18 and the nearly parallel second position with the center line extending to the longitudinal direction of the common bed to sofa.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sofa / combinable bed which can be displaced between a bed mode and a sofa mode.

[0002]

2. Description of the Related Art Various sofa / combined beds have been commercially available. A typical sofa / combined bed has two halves divided in the longitudinal direction, and the sofa / combined bed is used as a sofa (sofa mode).
In this case, the bed half on the back side is raised to the front and used as a backrest.

As is well known, a problem with the above-described type of sofa / bed is that the bed portion is divided. Therefore, when the bed is used as a bed, a step is formed in the divided portion, which hits the user's back and gives a very comfortable sleep. It means that it is bad.
Further, in general, the softness (or hardness) required for the bed is different from the softness required for the backrest, but in the conventional sofa / bed of the type described above, the same constituent elements are used for both the bed and the backrest. Since it cannot help but to use, it is difficult to select the softness.

In order to solve such a problem, a sofa / bed having a dedicated backrest has been proposed (for example, Japanese Utility Model Laid-Open No. 60-187654; Japanese Utility Model Laid-Open No. 54-1640).
10; JP-A-2-109509). In these sofa beds, the backrest can be moved from the bed surface to another place when the backrest is not in use. The problem with this type of sofa / bed is that the backrest becomes an obstacle when the backrest is not in use.

That is, for example, Japanese Utility Model Laid-Open No. 60-187654
In the sofa / combined bed described in 1 above, when not in use, the backrest lays on the floor in front of the sofa / combined bed, which impedes access to the bed.

[0006]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a sofa-combination bed which is comfortable to sleep and in which the backrest can be placed in a position where it does not interfere when the backrest is not in use. . Another object of the present invention is to provide a sofa / combination bed which can obtain a practical effect by utilizing the backrest when the backrest is not used (bed mode).

Another object of the present invention is to provide a sofa-combination bed in which the backrest can be utilized to obtain a visual effect when the backrest is not used. Another object of the present invention is to provide a sofa / combination bed which can easily switch between a bed mode and a sofa mode. Still another object of the present invention is that it is possible to easily switch between the bed mode and the sofa mode, and the angle of the backrest can be finely adjusted in either the up / down direction or the front / back direction, and , It is to provide a sofa / bed capable of preventing damage when an excessive load is applied to the backrest.

[0008]

The gist of one aspect of the present invention for attaining the above object is to provide a sofa / bed having a headboard (16), a footboard (18) and a movable backrest. 10), the movable backrest is divided into two left and right movable backrest halves (20,
22) and each movable back half (20, 2)
2) is movable between a first position substantially above the boards (16, 18) and a second position substantially parallel to a center line extending in the longitudinal direction of the sofa / bed (10). In the bed mode, the movable backrest halves (20, 22) are stored in the first position and the sofa,
In mode, each movable back half (20, 2
2) The sofa / bed (10) is characterized in that it is adapted to support 2) in the second position.

The gist of another aspect of the present invention is that the headboard (16) and the footboard (1)
8) and a sofa bed (10) including
Each of the boards (16, 18) is divided into upper and lower movable board halves and a lower stationary board half, and each movable board half is provided with a cushion (26). The moveable board halves are movable between a first position substantially above the stationary board halves and a second position that can be used as a backrest in sofa mode, and each movable in bed mode. The sofa-bed (10) is characterized in that the board half is stored in the first position, and in the sofa mode, the two movable board halves are supported in the second position.

Further, another feature of the present invention is that the movable backrest half (20, 22) or the movable board half is movable to the first position and the second position. A movable device (28) supported on a board (16) (or a footboard (18)) is provided, wherein the movable device (140) is the movable back half (20, 22) or movable supported in the second position. Board half,
The position can be adjusted in at least one of the vertical direction and the front-back direction, and the movable back half (20,
22) or a sofa / bed (10) characterized by comprising a position adjustment and damage prevention mechanism capable of absorbing the load to prevent damage when the movable board half body is subjected to an excessive load. ..

[0011]

According to the sofa / bed (10) of the present invention, in the bed mode, the movable backrest halves (20, 22) (or movable board halves) are the headboard (16) and the footboard (16). Since it is stored at a position substantially above 18), it does not get in the way.

In addition, in the bed mode, the movable backrest halves (20, 22) can be leaned against when reading with the upper body raised on the bed, which is a practical effect. In addition, the movable back half (20, 2
2) (or the half board) is provided with a cushion (26), the impression as a luxurious bed can be obtained and the visual effect can be improved.

Further, the movable back half (20, 22) or the movable board half can be moved between the first position and the second position so as to be movable to the headboard (16) (or the footboard (1).
8)) provided with a movable device (28) for supporting,
The conversion between the bed mode and the sofa mode can be efficiently performed. Furthermore, when the movable device (28) is provided with a position adjusting and damage preventing mechanism, the movable back half (20, 22) or the movable board half is
By adjusting the position in at least one of the up-down direction and the front-rear direction, it is possible to appropriately eliminate the variation in accuracy after assembling the sofa / bed (10), and the movable back half (20, 22). Alternatively, when an excessive load is applied to the movable board half body, it is possible to prevent the product itself from being damaged by the overload.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Various embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a state in which the sofa / bed 10 according to the first embodiment of the present invention is used as a bed, and FIG. 2 is a perspective view showing a state in which it is used as a sofa.

In the bed mode, the sofa / bed 10 according to the present embodiment has a head side and a foot side (first position).
In addition, by simply setting the movable backrest halves 20 and 22 that make up the stored movable backrests to the sofa mode position (second position), it can be easily converted into a sofa-ready state. is there. The sofa / bed 10 according to the present embodiment has a basic structure including a floor board 14 on which a mattress 12 and the like are laid, and a headboard / armrest 16 and a footboard / armrest 18 that respectively support two longitudinal ends of the floorboard 14. Is formed (depending on the direction in which the user sleeps, the user's head may reach the armrest 18 that also serves as the footboard and may serve as the armrest that also serves as the bedboard).

Further, the sofa / bed 10 includes:
In the bed mode (see FIG. 1), it is stored on the headboard-cum-armrest 16 so that its outer surface 17 is substantially flush with the outer surface 19 of the headboard-cum-armrest 16 (in the footboard-cum-armrest 18). The same), and two movable back half halves 2 that are moved to the position where the backrest is in the sofa mode (see FIG. 2).
0 and 22 are provided.

The movable backrest halves 20 and 22 are provided with a backrest base portion 24 having an appropriate angle as a backrest.
The backrest base 24 has a backrest portion to which a cushion portion 26 including a skin and a cushion is fixed. The backrest base 24 may be formed by dividing the headboard-cum-armrest 16 or the footboard-armrest 18 into upper and lower halves and forming a movable board half which is the upper side thereof.

Movable means such as a movable device 28, which will be described later, is connected to the movable backrest halves 20 and 22, and can be detachably attached to the headboard-combined armrest 16 and the footboard-combined armrest 18 via the movable device 28, respectively. Is linked to. In addition, two movable backrest halves 20, 22
On the back of the sofa, in the sofa mode, a coupling mechanism 30 for coupling the two movable backrest halves 20 and 22 to support the weight of the user (described later with reference to FIGS. 6, 7, 8 and 9). Is provided.

As described above, in the sofa / combination bed 10 of this embodiment, the two movable backrest halves 20, 22 used as the backrest in the sofa mode, the headboard / armrest 16 and the footboard / armrest 18 are used.
Are connected to each other via the movable device 28,
In the mode, the two movable backrest halves 20 and 22 are respectively placed on the headboard-combined armrest 16 or the footboat-combined armrest 18 and the movable backrest half 20 and the headboard-combined armrest 16 (or the footboard-combined armrest 18). The outer surfaces are stored so that they are substantially flush with each other. Therefore, it is not necessary to store the backrest under the floorboard or behind the mattress as in the past, so that when the bed mode is set, the backrest does not get in the way and looks good, and even when the bed mode is set, the movable backrest does not move. The backrest halves 20, 22 can be used as a backrest.

Further, in the conventional sofa / bed in which the mattress is divided into two, one of which is the seat portion and the other of which is the backrest, the mattress is divided into two in the bed mode, so that it is not comfortable to sleep. Since the backrest and the mattress are separate from each other in the sofa / bed 10, there is no possibility that the comfort of the bed will be reduced as in the conventional case.

Next, the operation of the movable device 28 and the movable device 28 connected to the movable backrest halves 20 and 22 will be described with reference to FIGS. 3 to 6. FIG. 3 is an operation explanatory view showing a state in which the movable back half 20 is being moved to convert from the bed mode to the sofa mode, and FIGS. 4 and 5 are movements of the movable device 28 attached to the movable backrest. Is a perspective view showing only the movable device when viewed from behind in the sofa mode, and FIG. 6 is a partially cutaway perspective view of the sofa / bed 10 in the sofa mode as viewed from behind.

As shown in FIGS. 4 and 5, the movable device 28 has two metal arms 34, which are rotatably connected to each other via pivots 32 in planes parallel to each other. 36, and two shafts 38, 40 attached to both ends of the two arms 34, 36 substantially perpendicularly to the arms 34, 36, respectively. A stopper 42 for stopping the arm 34 at a predetermined position is provided. Since the stopper 42 is provided on the arm 36, the arm 34 cannot rotate beyond a predetermined angle as shown in FIG.

The shaft 38 has a bearing 44 formed slightly rearward of the center of the armrest 18 which also serves as a footboard.
(See FIG. 6) rotatably supported, while the shaft 40 includes a bearing 46 formed on the backrest base 24.
(See FIG. 6) It is rotatably inserted. Movable backrest half 2 stored on the headboard / armrest 16
In order to convert 0 from the bed mode to the sofa mode, the movable backrest half body 20 is pushed out in the direction indicated by arrow A as shown in FIG. 5 becomes almost straight as shown in FIG. 5, the movable backrest half 20 need only be rotated in the direction of arrow B shown in FIG.

As described above, in the sofa / bed 10 according to the present embodiment, the movable backrest half body 20 and one arm 34 of the movable device 28 are rotatably connected, and further, the one arm 34 and the head. Board combined armrest 1
6 (or the hood 18 that also serves as the hood board) is rotatably connected to the other arm 36 via the pivot 32 so as to be rotatable in the planes parallel to each other. It is possible to convert from the bed mode to the sofa mode (or vice versa) alone by simply moving the movable back half 20.

Further, the stopper 42 is provided on the other arm 36.
Since one arm 34 is stopped at a predetermined position, the movable back half 20 can be set at a predetermined position. Further, since the movable device 28 is housed in the recess 29 formed in the headboard / armrest 16 (and the footboard / armrest 18) in the bed mode, it does not get in the way and is unobtrusive. In the case of the sofa mode, it is stored behind the movable backrest, so that it is not obstructive and unsightly as in the case of the bed mode. Moreover, the movable backrest half 20 is supported and the user etc. It also has the function of supporting the weight of.

Next, referring to FIGS. 7 to 9, the two movable backrest halves 20 in the sofa mode,
A connection mechanism 30 for connecting the 22 will be described.
In the sofa mode, the connecting mechanism 30 connects the two movable backrest halves 20 and 22 and prevents the two movable backrest halves 20 and 22 from being deformed to the back side by the weight of the user or the like. It is for doing. One of the movable backrest halves (the movable backrest half 20 in this embodiment) accommodates two arms 54 and 55 that are foldable around the pivot 52 (see FIG. 9).
In connecting the two movable backrest halves 20 and 22, the arm 55 housed in one movable backrest half 20 is pulled out and the two movable backrest halves 20 and 2 are connected.
According to the angle formed by 2, it is inserted into the connecting hole 56 formed in the other movable back half 22 (see FIGS. 7 and 8).

As described above, when the sofa / bed 10 according to the present embodiment is in the bed mode, the two movable backrest halves 20 and 22 are firmly connected by the connecting mechanism 30. It is possible to prevent the movable backrest halves 20 and 22 from being deformed due to the body weight or the like. Next, a sofa / bed 68 according to a second embodiment of the present invention will be described with reference to FIGS. 10 to 16.

The sofa / bed 68 according to this embodiment
The bed mode and the sofa mode of the first embodiment are almost the same as those of the first embodiment (see FIGS. 1 and 2), but the sofa / combined bed 68 of the present embodiment has a bed mode and a foot mode. Switch 7 on and
The feature is that it is an electric type sofa / combined bed 68 that can be easily converted from the bed mode to the sofa mode (or vice versa) by operating 5. In order to make such an electric type sofa / bed 68,
In the sofa / bed 68 according to the present embodiment, a part of the electric device 60 having a DC motor or the like is built in the headboard 72 and the footboard 73, but an electric type device that does not use a large-scale device is used. It is a sofa / bed 68.

FIG. 10 shows an electric device 6 including a DC motor and the like.
To show the outline of 0, a perspective view of the movable backrest and a part of the headboard / armrest 72 cut out is seen from the front in the sofa mode, and FIG. 11 is similarly cut out to be seen from the back in the sofa mode. FIG. 12 is a perspective view, and FIG.
It is a perspective view which shows the detail of 0. However, FIG. 10 shows a case where the foot board 73 is cut out, and FIG. 11 shows a case where the head board 72 is cut out.
The same reference numeral 60 is used for the same member.

The electric device 60 includes a movable back half 62.
(And a movable back half 63), a DC motor 64 that generates power for moving the backrest half 63, a lead screw 66 that rotates by being connected to a speed reducer (not shown) incorporated in the DC motor 64, and the lead screw. An internal screw 67 meshing with 66 is provided, and a slide block 70 that slides in the lateral direction of the sofa / bed 68 by the rotation of the lead screw 66 is provided.
The C motor 64 and the lead screw 66 are mounted on the head board 72 (and the foot board 73).
Built into. The DC motor 64 is connected to a conventional control circuit and a power supply circuit, and can be rotated in reverse by operating a switch 75.

As shown in FIG. 10 and the like, the slide block 70 has a U-shaped vertical cross section, and is passed through a guide hole 76 (see FIG. 13) formed in the base 74, The inner surface of the upper part is adapted to slide on the armrest surface 78, and the two limit switches 79a, 7
The slide width is controlled by 9b. A shaft 80 is provided on the upper surface of the slide block 70,
The shaft 80 is inserted into a bearing 82 formed at the end of the movable backrest half 63 on the base 74 side to support the movable backrest half 63.

Further, bearings 84 and 86 are formed at the rear end of the base 74 and the central portion of the movable back half 63, respectively. 90 and 92 are rotatably inserted to support the central portion of the movable back half 63.
The arm 88 is interlocked with the movement of the slide block 70 that slides in the lateral direction of the sofa / bed according to the rotation of the DC motor 64, from the bed mode position shown in FIG. 15 to the sofa mode position shown in FIG. It is designed to move up to.

In the sofa mode, two movable backrest halves 62 and 63 are connected by barbs 94 shown in FIG. 11 to support the weight of the user.
Further, the movable back half halves 62, 63 are formed on the base 74 side in conformity with the shape of the slide block 70 as shown in FIG. As described above, the sofa / bed 68 according to the present embodiment is provided with the electric device 60, and is operated from the sofa mode to the bed mode (or this mode) only by operating the switch 75 provided on the footboard 73 and the headboard 72. Since it can be converted to (inverse), anyone can easily handle it. Also, since most of the parts of the electric device 60 are built in the base built in the headboard 73, the electric type sofa / bed 68 does not use a large-scale device, and the electric device 60 is also used. In both of the bed mode and the sofa mode, 60 is stored in a position where it does not get in the way and is not unsightly, as in the case of the first embodiment.

If necessary, two DC motors 64,
With the control circuit of 64 in common, one switch operation
The two movable backrest halves 62, 63 can be moved, in which case the other movable backrest half is moved after the movement of one movable backrest half is completed,
The two movable backrest halves 62, 63 are configured so as not to collide during mode conversion.

By removing the DC motor 64 from the electric type sofa / bed 68 and replacing the lead screw 66 with a slide pipe, a manual sofa / bed capable of manually changing the mode can be obtained. it can. Next, a sofa / bed 100 according to a third embodiment of the present invention will be described with reference to FIGS. 17 to 23.

FIG. 17 shows a sofa / bed 1 according to this embodiment.
00 is in the bed mode, FIG. 21 is a perspective view in the sofa mode, FIG. 18 is FIG.
23 is a perspective view showing the movement of the movable backrest when the mode is changed to the sofa mode, and FIG. 22 is a perspective view showing details of the movable device 101 connecting the movable backrest half body and the headboard (and the footboard). FIG. 23 is a partially cutaway perspective view showing a state where the shaft 105 of the movable device 101 shown in FIG. 22 is inserted into the headboard 16.

Sofa bed 10 according to this embodiment
The shapes of the bed mode and the sofa mode of 0 are almost the same as those of the first embodiment (see FIGS. 1 and 2) and the second embodiment, and in that the mode conversion is performed manually. It is a modification of the sofa / bed of the first embodiment. Bed 10 serving as a sofa in this embodiment
Since the basic structure of 0 is the same as that of the sofa / bed according to the first embodiment, common members are denoted by the same reference numerals and the description thereof will be omitted. The sofa / bed 100 of this embodiment
Since the structure of the movable device 101 for moving the movable backrest halves 20 and 22 and the method of moving the movable backrest halves 20 and 22 are different from those of the sofa / bed according to the first embodiment, referring to the drawings. explain.

As shown in FIG. 22, the movable device 101 of the sofa / bed 100 of this embodiment is provided with a first arm 102 and a second arm 103, and these two arms 102, 103 are respectively provided. End of pivot 1
It is rotatably connected via 04, and can rotate from a position where the two arms are aligned to a position where the angle formed by the two arms is an acute angle (shown by the broken line F in FIG. 22). .. A shaft 105 is provided downward at the other end of the second arm 103.

When the sofa / bed 100 is in the bed mode, the two arms 102 and 103 are
The movable backrest half 20 (movable backrest half 22) is housed in the movable backrest half 20 (see FIG. 17), and the shaft 105 is supported by a bearing 106 formed on the headboard 16 (footboard 18). (See FIG. 21) and supports the movable backrest half 20.

As shown in FIG. 23, the bearing 106 is formed with a projection 107 which functions as a stopper.
Grooves 10 formed on the projection 107 and the shaft 105
The shaft 105 and the groove 108 in the bearing 106
Since the second arm 103 is restricted to rotate from one end 108a to the other end 108b, the second arm 103 can rotate only within a necessary range in the bed mode and the sofa mode. There is.

The first and second arms 102,
103 is preferably a prism having a quadrangular cross section in order to stably support the movable backrest halves 20 and 22. Further, since the right end of the movable backrest half 20 in the sofa mode is placed on the headboard 16, it is preferable that the cushion of the relevant portion is thin so as to be easily deformed, and the movable backrest half 22 is also the same. Is.

The operation will be described based on the operation of converting the sofa / bed 100 according to the third embodiment as described above from the bed mode to the sofa mode. The movable back half 20 in bed mode (see FIG. 17),
Arrow C on the mattress 12 about the shaft 105
It is rotated in the direction of the headboard 16 and brought to a position substantially perpendicular to the headboard 16 at the end of the headboard 16 (see FIG. 1).
8) After that, push in the direction of arrow D to move the backrest half 20
The second arm 103 and the first arm 102 housed inside are pulled out until the pivot 104 of their connecting portion comes out (see FIG. 19).

After that, the second shaft centering on the shaft 105
Of the movable back half 20 by rotating the arm 103 of the first arm 102 toward the headboard 16 (in the direction of arrow E) and rotating the first arm 102 about the pivot 104.
To be placed in the sofa mode position (Fig. 2
0). The right end 26a of the movable back half 20 placed in the sofa mode position is adapted to rest on the headboard 16 and the second arm 103.
Means that the above-mentioned protrusion 107 is the other end 108b of the groove 108.
Since it comes into contact with the headboard 16, it stops at a position slightly outside the headboard 16 (see FIG. 23).

Although the operation of only one of the movable back half 20 has been described above, the sofa mode shown in FIG. 21 can be obtained by operating the other half in the same manner. In the same manner as the sofa / combined bed of the first embodiment, in the back of the two movable backrest halves 20 and 22 of the sofa / combed of the present embodiment, in the sofa mode,
Two movable back halves to support the weight of the user 2
A connecting mechanism 30 (see FIGS. 6, 7, 8 and 9) for connecting 0 and 22 is provided.

As described above, in the sofa / bed 100 of this embodiment, since the movable backrest half body 20 and the headboard 16 are connected by the movable device 101 which can be easily operated, the movable backrest is moved by a simple manual operation. Alone, and easily convert from bed mode to sofa mode (or vice versa). Next, FIG.
4 to 30, a sofa / bed 110 according to a fourth embodiment of the present invention will be described. It should be noted that the same parts as those in the first embodiment are designated by the same reference numerals, and a duplicate description will be omitted.

Sofa bed 11 according to this embodiment
The shapes of the bed mode and the sofa mode of 0 (see FIGS. 24 and 25) are almost the same as those in the first embodiment, and are similar to the first embodiment in that the modes are manually changed. However, the present embodiment is characterized in that the movable device 140 for moving the movable backrest halves 120, 122 is provided with a position adjustment and damage prevention mechanism.

As shown in FIGS. 24 and 25, the sofa / bed 110 according to the present embodiment also serves as a floor board 14 and a head board for supporting both end portions of the floor board 14 as in the first embodiment. A basic structure is formed by the armrest 116 and the armboard 118 that also serves as a footboard. The sofa / bed 110 is held on the headboard / armrest 116 in the bed mode (see FIG. 24) (the footboard / armrest 11).
8 is also the same), sofa mode (Fig. 25)
In this case, two movable backrest halves 120, 122 are provided which are moved to the positions of the backrest.

The movable backrest halves 120, 122 are
A cushion portion 126 including an outer skin and a cushion is fixedly formed on the backrest surface side of the frame member 124. These movable back halves 120, 122
Are movably supported by a headboard-combined armrest 116 or a footboard-combined armrest 118, respectively, via a movable device 140 described later. The sofa,
In the mode, two movable backrest halves 120, 1 are supported by the support rod 131 which constitutes the connecting mechanism 130 shown in FIG.
22 is connected to support the weight of the user.

The movable device 140 is capable of slightly adjusting the movable backrest halves 120, 122 (see FIG. 25) supported in the second position in the up-down direction and the front-back direction, and the movable backrest halves 120, 122. It is equipped with a position adjustment and damage prevention mechanism that can absorb the load in order to prevent damage when an excessive load is applied to. More specifically, FIG.
As shown in FIG. 6 and FIG. 27, the movable device 140 includes two metal arms 142 and 143 rotatably connected to each other via a hinge bracket 141 in a horizontal plane. The hinge bracket 141 has one arm 14
As shown in FIG. 27, the second arm 143 also serves as a stopper for holding the second arm 143 so as not to rotate more than a predetermined angle.

As shown in FIG. 27, the other arm 143
One end of is connected to a movable shaft 151 provided inside the housing 150 assembled on the upper side of the headboard / armrest 116 so as to be horizontally rotatable. In addition, as shown in FIG. 29, one end of one arm 142 is rotatably connected to a shaft 145 that is attached substantially vertically to a frame member 124 on the rear surface side of the movable back half 120 through a mounting bracket 144. Has been done.

As shown in FIG. 28, the movable shaft 151
Is pivotally supported at the lower end by a pivot 152 fixed to the bottom of the housing 150 so that the upper end swings in parallel with the longitudinal direction of the bed. Further, a long hole 151a is formed in the upper end of the movable shaft 151, and a guide rod 153 fixed to the side wall of the housing 150 is inserted into the long hole 151a. Coil springs 154 and 154 are interposed at both ends of the guide rod 153 so as to sandwich the upper end of the movable shaft 151 therebetween.

Also, on one end side of the guide rod 153,
An adjusting nut 155 for adjusting the angle of the arm 143 through the elastic force of the coil spring 154 is rotatably screwed. The coil springs 154 and 154 also play a role of absorbing a load when the movable backrest half body 120 is subjected to an excessive load so as to prevent the damage. As shown in FIG. 27, on one end side of the arm 143, when the movable back half 120 is in the second position (see FIG. 25), the screw-type stopper 1 that abuts the side wall of the housing 150.
56 are provided. The stopper 156 is rotated by a screwdriver to appropriately adjust the degree of protrusion on the tip end side thereof, so that the arms 142, 143 extending in a straight line around the movable shaft 151 have their final positions in the horizontal rotation. For adjusting the back-and-forth position of the movable backrest 120 moved to the second position.

As described above, the movable shaft 151, the pivot 152, the guide rod 153, the coil spring 154, the adjusting nut 155 and the stopper 156 which support the arm 143, that is, the movable backrest half body 120 in an adjustable angle in the up-down and front-rear directions. The position adjusting and damage preventing mechanism of the movable device 140 is configured by the above. This position adjustment / damage prevention mechanism is incorporated in the housing 150 in advance and constitutes one unit.

As shown in FIG. 26, a magnet 157 is attached to one end of the frame member 124 on the back side of the movable back half 120 and a leaf spring 158 is attached to the bottom of the housing 150. Has been.
The leaf spring 158 is a member for holding the movable backrest half body 120 (see FIG. 24) stored in the first position in the first position. On the other hand, the magnet 157 prevents the movable backrest half 120 and the arm 143, which have moved to the second position, from attracting each other by magnetic force.

Next, the operation of the sofa / bed 110 according to the fourth embodiment of the present invention will be described. As shown in FIG. 24, in order to convert each movable back half 120, 122 stored in the first position above the headboard / armrest 116 or footboard / armrest 118 from the bed mode to the sofa mode, The procedure can be easily and manually moved from the first position to the second position (or vice versa) by a procedure similar to that of the sofa / bed 10 of the first embodiment.

As shown in FIG. 25, when the movable backrest halves 120, 122 are moved to the second position, the two arms 142, 143 are substantially aligned as shown in FIG. 27. If the positions of the movable backrest halves 120, 122 that have moved to the second position deviate from each other due to the variation in the precision of the adjustment nut 155 and the stopper 15 that constitute the position adjustment and damage prevention mechanism of the movable device 140.
6 is rotated in an arbitrary direction to finely adjust the position (angle) of the arm 143 in at least one of the up-down direction (shown by an imaginary line in FIG. 28) and the front-back direction to convert to the sofa mode. Each movable back half 120,1
The positions of 22 can be adjusted so as to be smoothly continuous.

Further, in the sofa mode shown in FIG. 25, when an excessive load is applied to each of the movable backrest halves 120, 122, the overload is appropriately adjusted by the coil spring 154 constituting the position adjusting and damage preventing mechanism. The product is prevented from being damaged because it is absorbed by the product. The position adjustment / damage prevention mechanism is incorporated in the housing 150 in advance to form one unit.
It can be easily assembled to 6th grade.

Next, a sofa / bed 210 according to a fifth embodiment of the present invention will be described with reference to FIGS. The same types of parts as those in the fourth embodiment are designated by the same reference numerals, and a duplicate description will be omitted. The shape of the sofa / bed 210 according to the present embodiment in the bed mode and the sofa mode is substantially the same as that of the fourth embodiment, and the movable device 240 is provided with a position adjustment / damage prevention mechanism. However, in this embodiment, the configurations of the movable device 240 and its position adjustment / damage prevention mechanism are different from those of the fourth embodiment.
Hereinafter, one movable back half 120 and the movable device 24
0 will be described as a representative, and will be replaced by the description of the other movable back half and the movable device.

As shown in FIG. 30, the movable backrest half 1
Reference numeral 20 denotes a first position (shown by an imaginary line) and a second position on a headboard / armrest 216 via a movable device 240 described later.
It is movably supported in a position (shown by a solid line). In the sofa mode, the two movable backrest halves 120 are connected by the support rod 131 that constitutes the connecting mechanism 130 as in the fourth embodiment to support the weight of the user.

As shown in FIG. 31, the movable device 240 is
It has one metal single arm 241. The tip portion of this one arm 241 is rotatably connected to a shaft 145 that is mounted substantially vertically on the back surface side of the movable backrest half body 120 via a mounting bracket 144.
The base end portion of the single arm 241 is horizontally rotatably connected to a support shaft 251 that is pivotally supported substantially vertically on the assembly bracket 250 of the headboard / armrest 216. More specifically, as shown in FIGS. 32 and 33, a long hole 242 is formed in the base end portion of the single arm 241, and the support shaft 251 is inserted through the long hole 242. As a result, one arm 24
1 is capable of swinging up and down to some extent about a support shaft 251 inserted through the elongated hole 242 as a substantially center. On the upper and lower ends of the support shaft 251, the coil spring 24 is sandwiched between the base ends of the single arms 241.
7,247 are installed. In addition, one arm 241
Between the base end of the and the coil spring 247 below it,
The position return member 244 is interposed.

As shown in FIG. 33, the position return member 244
A round hole 246 having an inner diameter substantially equal to the outer diameter of the support shaft 251 is bored therein, and the support shaft 251 is inserted through the round hole 246. Also, the position return member 244
Has an engaging upper portion 245 that matches an inverted V-shaped engaged groove 243 formed on the lower side of the base end portion of the single arm 241, and in a normal state, this engaging upper portion 245 has a coil spring 247. By the urging force of the one arm 241 is elastically engaged with the engaged groove 243 of the one arm 241. As a result, the single arm 241 is kept horizontal.

As described above, the position returning member 244 serves to return the single arm 241 swinging about the support shaft 251 to the original horizontal state by applying an excessive load to the movable back half 120. To fulfill. Further, a threaded portion 251a is provided on the lower end side of the support shaft 251, and this threaded portion 251a is
An adjusting nut 248 capable of adjusting the height position for supporting the single arm 241 through the elastic force of the coil spring 247 is rotatably screwed. The coil springs 247, 24
7 also plays the role of absorbing the load to prevent damage when an excessive load is applied.

As shown in FIGS. 31 and 32, the assembly bracket 250 includes a base end portion of the single arm 241 when the movable back half 120 is in the second position (shown by a solid line in FIG. 30). A stopper 249 for adjusting the front-rear position of the screw type is provided that abuts on the side surface on the side. The stopper 249 is configured such that the degree of protrusion on the tip side can be appropriately adjusted by rotating it with a screwdriver.

As described above, the support shaft 251 and the position returning member 24 that support the one arm 241, that is, the movable back half 120 so that the angles thereof can be adjusted in the vertical and longitudinal directions.
4, the coil springs 247, 247, the adjusting nut 248, the stopper 249, etc. constitute a position adjusting and damage preventing mechanism for the movable device 240. This position adjustment / damage prevention mechanism is incorporated in advance in the assembly bracket 250 that is screwed to the upper part of the headboard / armrest 216, and constitutes one unit.

Next, the operation of the sofa / bed 210 according to the fifth embodiment of the present invention will be described. As shown in FIG. 30, the first on the headboard / armrest 216
Movable backrest half 1 stored in position (shown in phantom)
In order to convert 20 from the bed mode to the sofa mode, the tip of the single arm 241 is rotated while the single arm 241 is rotated about the movable shaft 251 of the movable device 240 in the direction indicated by the arrow G. Shaft 145 on the side
A movable backrest half 120 pivotally supported via a second position (indicated by a solid line) extending parallel to the longitudinal direction of the bed.
Move to.

Thus, when the movable back half 120 is moved to the second position, as shown in FIG. 31, the single arm 241 is substantially perpendicular to the headboard / armrest 216. Even when the angle of the movable back half 120 in the second position with respect to the horizontal direction is slightly inclined or deviated due to the variation in accuracy, the one-arm 241 inserts the support shaft 251 into the elongated hole 242.
Since the movable backrest half 120 can be swung in the vertical direction to some extent about the center, the angle of the movable backrest half 120 with respect to the horizontal direction can be appropriately adjusted.

Further, the adjusting nut 248 and the stopper 249 which constitute the position adjusting and damage preventing mechanism of the movable device 240.
By rotating the arm in any direction,
1, that is, the height position and front-back position of the movable back half 120 can be finely adjusted as appropriate. Furthermore, in the sofa mode shown by the solid line in FIG. 30, when an excessive load is applied to the movable backrest half body 120, the overload causes the coil spring 24 that constitutes the position adjustment and damage prevention mechanism.
Since it is properly absorbed by 7,247, damage to the product is prevented. At this time, the one arm 241 temporarily tilted by the overload is immediately brought into a horizontal state by the position returning member 244 elastically engaged with the engaged groove 243 by the biasing force of the coil spring 247. Will be returned.

Next, with reference to FIGS. 34 to 36, a sofa / bed 211 according to a sixth embodiment of the present invention will be described. The same parts as those in the fifth embodiment are designated by the same reference numerals, and the duplicated description will be omitted. Although the shape and configuration of the sofa / bed 211 according to the present embodiment in the bed mode and the sofa mode are almost the same as those of the fifth embodiment, in the present embodiment, the configuration of the movable device 260 and its position adjustment / damage prevention mechanism is configured. It is different from that of the fifth embodiment. Hereinafter, one movable back half unit 120 and the movable device 260 will be described as a representative, and the description of the other movable back half unit and the movable device will be omitted.

As shown in FIG. 34, the movable backrest half 1
The movable device 260 that movably supports the 20 on the headboard / armrest 216 includes a single metal arm 261. The base end portion of this one arm 261 is an assembly bracket 2 for an armrest 216 that also serves as a headboard.
A shaft 263 attached to 62 is pivotally supported so as to be horizontally rotatable. A movable backrest half body 120 is horizontally rotatably connected to the tip end of the single arm 261 through a position adjusting and damage preventing mechanism.

More specifically, as shown in FIGS. 35 and 36, a plate member 264 is movably mounted on the upper side of the front end of the single arm 261, and the plate member 26 is movable.
The round hole 2 is provided on the base end side of the No. 4 and one arm 261 directly below the No. 4 side.
65 is drilled. Further, a long hole 266 is formed on the tip side of the plate member 264. The first support shaft 267 is provided in the round hole 265 of the single arm 261 and the plate member 264.
Are rotatably fitted together. As a result, the movable backrest half body 120 is supported so that its both ends can rotate in the front-rear direction about the first support shaft 267 and the angle thereof can be adjusted.

The upper end portion of the first support shaft 267 has a support bracket 2 on the back side of the movable backrest half body 120.
The movable backrest half body 120, which is the support bracket 270 side, is rotatably supported by a pivot shaft 271 fixed to the 70, so that the movable backrest half body 120 on the support bracket 270 side is attached to the upper end portion of the first support shaft 267 on the single arm 261 side. , Are in a state of being connected so as to be vertically rotatable. The first support shaft 267
A coil spring 268 is interposed on the upper part of the.

A guide bracket 269 is fixedly connected to the lower end portion of the first support shaft 267, and an arcuate slide hole 269a centering on the pivot 271 is formed in the guide bracket 269. Into the slide hole 269a, a stopper pin 272 that is provided so as to protrude from the lower portion of the support bracket 270 is fitted so as to be relatively movable. Therefore, the guide bracket 269 is the support bracket 270.
That is, the movable backrest half 120 is attached to the first support shaft 26.
7 plays a role of guiding to swing up and down around a pivot 271 pivotally supported at the upper end of 7.

A second support shaft 273 extending downward is provided on the upper surface of the support bracket 270.
Is consolidated. The lower end of the second support shaft 273 is inserted through the elongated hole 266 of the plate member 264 described above so as to be relatively movable so as not to hinder the swing of the support bracket 270 side. On the other hand, a screw portion 273a is provided on the upper end side of the second support shaft 273, and the support angle of the support bracket 270 with respect to the single arm 261 is adjusted by the elastic force of the coil spring 275 on the screw portion 273a. A possible adjusting nut 274 is rotatably screwed. The coil springs 268 and 275 also play a role of absorbing a load to prevent damage when an excessive load is applied.

As shown in FIG. 34, the assembly bracket 26
2 is provided with a screw-type stopper 278 that comes into contact with the side surface of the single arm 261 on the base end side when the movable back half 120 is in the second position. This stopper 2
The movable shaft 263 can be adjusted by rotating the screw 78 with a screwdriver to appropriately adjust the degree of protrusion on the distal end side.
Is for adjusting the end position of the horizontal rotation of the single arm 261 with respect to the center, and thereby adjusting the front-rear direction position of the movable backrest 120 moved to the second position.

As described above, the movable backrest half 1 is attached to the tip of the one arm 261 via the support bracket 270.
A first supporting the 20 in such a manner that the angle can be adjusted in the vertical and front-back directions.
Support shaft 267, pivot 271, guide bracket 2
69 and the second support shaft 273 and the stopper 278.
The position adjusting and damage preventing mechanism of the movable device 260 is configured by the above.

Next, the operation of the sofa / bed 211 according to the sixth embodiment of the present invention will be described. In order to convert the movable backrest half 120 stored in the first position (see FIG. 24) above the headboard / armrest 116 from the bed mode to the sofa mode, the sofa / bed 10 of the fifth embodiment is used. A similar procedure facilitates manual movement from the first position to the second position (or vice versa).

As shown in FIG. 34, when the movable back half 120 is moved to the second position, the single arm 261 is substantially perpendicular to the headboard / armrest 216 as shown in FIG. Even if the angle of the movable backrest half body 120 in the second position with respect to the horizontal direction is slightly inclined or deviated due to the variation in accuracy, the movable backrest half body 120 has the support bracket 2 attached to the back side thereof.
Since the pivot shaft 271 of 70 can be swung up and down with respect to the upper end of the single arm 261 to some extent, the angle of the movable back half 120 with respect to the horizontal plane can be appropriately adjusted. .. At this time, the vertical angle adjustment of the movable back half 120 is performed by the adjustment nut 2.
This can be easily done by rotating 74 in any direction. Further, since the movable backrest half body 120 can rotate in the front-rear direction about the first support shaft 267, the front-rear direction angle can be adjusted.

Further, in the sofa mode, when an excessive load is applied to the movable backrest half body 120, the overload is appropriately absorbed by the coil springs 268 and 275 constituting the position adjusting and damage preventing mechanism. , Product damage is prevented. At this time, the one arm 261 that is temporarily inclined due to overload is immediately returned to the horizontal state by the elastic force of the coil springs 268 and 275.

Next, with reference to FIGS. 37 to 42, a sofa / bed 300 according to a seventh embodiment of the present invention will be described. It should be noted that parts similar to those in the other embodiments described above are designated by the same reference numerals, and redundant description will be omitted.
The sofa / bed 300 according to this embodiment is also shown in FIG.
The bed mode shown in Fig. 37 and the sofa mode shown in Fig. 37 are converted, and the overall shape and configuration are almost the same as those in the second embodiment, but this embodiment is not an electric type and is movable. The configuration of the device 302 is different from that of the second embodiment. Hereinafter, the one movable back half 120 and the movable device 302 will be described as a representative, and the description of the other movable back half and the movable device will be replaced.

As shown in FIG. 39, the guide rails 3 forming the movable device 302 are provided at the upper ends of the headboard-combined armrest 16 and the footboard-combined armrest 18, respectively.
04 is attached. A slide block 306 is fitted on the guide rail 304 so as to be slidable in the lateral direction of the bed. As shown in the figure, the slide block 306 has a vertical cross section that is square-shaped, and one hinge plate 31 that constitutes a hinge 308 on its side surface.
0 is stuck. The other hinge plate 312, which also constitutes the hinge 308, is a movable back half 1
The movable backrest half body 120 is supported by screws at one end of the 20 on the base 24 side.

The base 24 of the movable back half 120 is also used.
A bearing bracket 322 is fixed to the central portion of the side, and a bearing hole 318 is formed in the upper end of the headboard / armrest 16 (below the guide rail 304).
The bearing bracket 322 and the bearing hole 318 have shafts 320, 3 provided at both ends of the crank arm 316.
21 are rotatably inserted to support the central portion of the movable back half 120. This crank arm 31
6 moves from the bed mode position shown in FIG. 40 to the sofa mode position shown in FIG. 42 in conjunction with the movement of the slide block 306 that slides in the lateral direction of the sofa / bed 300 manually. Is becoming

Next, the operation of the sofa / bed 300 according to the seventh embodiment of the present invention will be described. When the sofa / bed 300 is converted from the bed mode shown in FIG. 38 to the sofa mode shown in FIG. 37, the following operation is performed. That is, as shown in FIG. 40, when the rear end side of the movable backrest half body 120 is moved by hand in the direction of arrow H, the crank arm 316 supporting the central portion of the movable backrest half body 120 is moved. , In conjunction with the movement of the slide block 306 that slides in the direction of arrow I from the front end side of the guide rail 304, moves through the state shown in FIG. 41 to the sofa mode position shown in FIG.

When the sofa mode shown in FIG. 37 is converted into the bed mode diagram shown in FIG. 38, the reverse operation to the above may be performed. As described above, in the sofa / bed 300 according to the present embodiment, the sofa mode can be converted to the bed mode (or vice versa) by a manual operation, so that anyone can easily handle it. Further, in both the bed mode and the sofa mode, as in the case of the various embodiments described above, they are stored in a position where they are not obstructive and unsightly.

Next, with reference to FIGS. 43 to 47, a sofa / bed 400 according to an eighth embodiment of the present invention will be described. It should be noted that parts similar to those in the other embodiments described above are designated by the same reference numerals, and redundant description will be omitted.
The sofa-bed 400 according to the present embodiment has substantially the same shape and configuration as the seventh embodiment, but the movable device 4 is used.
The configuration of 02 is different from that of the fifth embodiment. Hereinafter, one movable back half 120 and the movable device 402 will be described as a representative, and the description of the other movable back half and the movable device will be replaced.

As shown in FIG. 43, a guide rail 404 which constitutes a movable device 402 is attached to the upper end of the armrest 18 which also serves as a footboard. A slide block 406 is fitted between the armrest surface of the footboard / armrest 18 and the lower end surface of the guide rail 404 so as to be slidable in the lateral direction of the bed. As shown in FIG. 44, the slide block 406 is formed in the illustrated shape,
Hooking portions 407 and 407 are provided on one side surface portion thereof to prevent the footboard-cum-armrest 18 from coming off between the armrest surface and the lower end surface of the guide rail 404. Further, on the other side surface portion of the slide block 406, one hinge plate 410 forming a hinge 408 is formed.
Is stuck. The other hinge plate 412 that also constitutes the hinge 408 is screwed to one end of the movable backrest half 120 on the side of the base 24 as shown in FIG. 43 to support the movable backrest half 120. .. The central portion of the movable back half 120 is movably supported by the crank arm 316.

Next, the operation of the sofa / bed 400 according to the eighth embodiment of the present invention will be described. When converting the sofa / bed 400 from the bed mode (see FIG. 38) to the sofa mode (see FIG. 37), the following operation is performed. That is, as shown in FIG. 45, when the rear end side of the movable back half 120 is moved by hand in the direction of arrow J, the crank arm 316 supporting the central portion of the movable back half 120, The slide block 406 that slides in the direction of arrow K from the front end side of the guide rail 404 moves in conjunction with the state shown in FIG. 46 to the sofa mode position shown in FIG. 47. On the other hand, when converting from the sofa mode to the bed mode diagram, the reverse operation to the above may be performed.

48 and 49 show a modification of the slide block and hinge of the sofa / bed 400 according to the eighth embodiment. That is, as shown in FIG.
In the slide block 420, a pivot pin 421 is planted in a hollow portion inside the slide block 420, and the pivot pin 421 forms one of the link plates 424 constituting the link 422.
Is rotatably fitted in the bearing portion 425 of the. The other link plate 423 which also constitutes the link 422
Although not shown, is screwed to one end of the movable back half 120 on the base side.

According to such a link 422, FIG.
When the movable backrest half body 120 is in the first position as shown in FIG. 7, even if the operator looks through the footboard / armrest 18 and the movable backrest half body 120 in the direction of the arrow L, the link 422 therebetween is completely hidden. And can look good. Next, a sofa / bed according to a ninth embodiment of the present invention will be described with reference to FIGS. 50 to 52. It should be noted that parts similar to those in the other embodiments described above are designated by the same reference numerals, and redundant description will be omitted.

As shown in FIG. 50, a single arm 430 is rotatably connected to one end of the upper end of the headboard / armrest 16 and the support unit 280 is attached to the tip of the single arm 430. Movable back half 12 through
The central part of 0 is supported so as to be swingable in the horizontal direction. Similarly, the support unit 2 is also attached to the tip of the link 431 rotatably attached to the slide block 406.
One end of the movable back half 120 is supported via 80 via a horizontal swingable body.

As shown in FIGS. 51 and 52, the support unit 280 includes a bracket body 281 and a shaft 282 supported substantially vertically to the bracket body 281.
And a screw part 282 provided on the lower end side of the shaft 282.
It comprises an adjusting nut 283 rotatably screwed into a and a coil spring 284 inserted into the shaft 282.

A long hole 285 is formed at the tip of each of the single arm 430 and the link 431. The single arm 430 and the link 431 are positioned between the adjusting nut 283 and the coil spring 284. Shaft 282
It is supported by being inserted into. Further, the headboard-cum-armrest 16 is provided with a screw-type stopper 432 capable of adjusting the horizontal angle of the movable backrest half body 120.

According to this embodiment, the supporting unit 280
The movable backrest half body 120 can be supported by the headboard / armrest 16 through the one arm 430 and the link 431 so that the position can be finely adjusted, and the overload can be appropriately absorbed to prevent damage. it can. next,
A sofa / bed 810 according to the tenth embodiment of the present invention will be described with reference to FIGS. 53 to 57. The same types of parts as those in the fifth embodiment are designated by the same reference numerals, and a duplicate description will be omitted. It should be noted that one movable back half 120 and the movable device 240 will be described as representatives, and the description of the other movable back half and movable device will be omitted.

Sofa bed 81 according to this embodiment
The shapes of the bed mode and the sofa mode of 0 are almost the same as those of the fifth embodiment, and the movable device 2
Although 40 is also common to that of the fifth embodiment, in this embodiment, the movable back half 120 is connected to the movable device 240 so as to be displaceable to a position substantially above the first position and the second position. It is characterized by

That is, as shown in FIG. 55, the tip portion of the single arm 241 of the movable device 240 has the shaft 145.
A hinge bracket 144a, which is attached to the back side of the movable back half 120 through the, is rotatably connected in the horizontal direction. As shown in FIG. 56, the hinge bracket 144a can move from the first position (or second position) to the movable back half 120 in the first position (or second position), as shown in FIG. It is to be displaced to the upper position.

Next, the operation of the sofa / bed 810 according to the tenth embodiment of the present invention will be described. Fig. 53
As shown in, when converting the sofa / combined bed 810 in the bed mode to the sofa mode, first, the mattress 12 so that the person can sit as a sofa.
Fold the upper bedding 811 in half vertically. Then, as shown in FIG. 54, the movable back half 120 at the first position is displaced to a position above the first position by the hinge bracket 144a.

In such a state (see FIG. 57), even if the movable back half 120 is horizontally rotated by the movable device 240 from the first position side to the second position side, the movable back half 120 is moved from the movable back half 120. There is no collision with the bedding 811 folded in the vertical half located below. Thereby, when the sofa / bed 810 is displaced from the bed mode to the sofa mode, the movable back half 120 is easily moved from the first position to the second position without the bedding 811 on the mattress 12 being in the way. Can be made

In the various embodiments described above, in the bed mode, two movable backrest halves are stored above the headboard and the footboard, respectively. However, two movable backrest halves are respectively stored in the headboard and footboard. Structures adapted to be housed in close proximity to the board and footboard are also within the scope of the invention. Further, the divided movable back halves have approximately the same size, but they can have different sizes as necessary, and it is within the scope of the present invention to divide them into different sizes. Further, it is also within the scope of the present invention to make each board a pipe structure.

[0098]

According to the sofa / bed according to the present invention, in the bed mode, each movable back half (or movable board half) is located at a first position substantially above the headboard and footboard. It is stored in, so it will not get in the way. Moreover, in the bed mode, when the user lifts the upper body on the bed to read a book, the movable backrest half can be hung, which is a practical effect.

Further, when the movable back half (or the movable board half) is provided with a cushion, the impression as a luxurious bed can be obtained and the visual effect can be improved. Further, when the means for connecting the movable backrest halves to the second position are connected to each other, the movable backrest halves can be connected so as to be continuous in the longitudinal direction, and the weight of the user or the like can be sufficiently supported. Also, it is convenient because the bunches can be stored behind the movable back half in the second position.

Further, when the movable device is provided, the conversion between the bed mode and the sofa mode can be efficiently performed. Further, when the movable device is provided with a position adjusting and damage preventing mechanism, the movable backrest half or the movable board half is position-adjusted in at least one of the up-down direction and the front-back direction, so that the sofa It is possible to appropriately eliminate variations in accuracy after assembling the combined use bed, and to prevent damage to the product itself due to overload when the movable backrest half or movable board half is overloaded. be able to.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which a sofa / bed according to a first embodiment of the present invention is used as a bed.

FIG. 2 is a perspective view showing a state in which the sofa / bed according to the first embodiment of the present invention is used as a sofa.

FIG. 3 is an operation explanatory view showing a state in which the movable back half of the sofa / bed according to the first embodiment of the present invention is being moved to convert from the bed mode to the sofa mode.

FIG. 4 is a perspective view of only the movement of the movable device attached to the movable backrest half of the sofa / bed according to the first embodiment of the present invention when viewed from behind in the sofa mode.

FIG. 5 is a perspective view of only the movement of the movable device attached to the movable backrest half of the sofa / bed according to the first embodiment of the present invention when viewed from behind in the sofa mode.

FIG. 6 is a partially cutaway perspective view of the sofa / bed according to the first embodiment of the present invention as seen from behind in the sofa mode.

FIG. 7 is a partially cutaway horizontal sectional view showing a state in which two movable backrest halves are connected to each other when the sofa / bed according to the first embodiment of the present invention is in the sofa mode.

FIG. 8 is a partially cutaway horizontal sectional view showing an intermediate state in which two movable backrest halves are being connected when the sofa / bed according to the first embodiment of the present invention is in the sofa mode.

FIG. 9 is a horizontal sectional view showing a coupling mechanism for coupling two movable backrest halves when the sofa / bed according to the first embodiment of the present invention is in the sofa mode.

FIG. 10 is a sofa mode in which a movable back half and a part of a headboard / armrest are cut out to show an outline of an electric device including a DC motor of a sofa / bed according to a second embodiment of the present invention. It is the perspective view seen from the front at the time.

FIG. 11 is a perspective view of the sofa / bed seen from the back in the sofa mode, which is cut out as in FIG. 10.

FIG. 12 is a perspective view showing details of an electric device for a sofa / bed according to a second embodiment of the present invention.

FIG. 13 is a perspective view showing a base having a built-in DC motor and the like of the sofa / bed according to the second embodiment of the present invention.

FIG. 14 is a perspective view showing a movable backrest half formed in conformity with the shape of the slide block of the sofa / bed according to the second embodiment of the present invention.

FIG. 15 is a horizontal cross-sectional view showing the position of the movable backrest half in the bed mode of the sofa / bed according to the second embodiment of the present invention.

FIG. 16 is a horizontal sectional view showing the position of the movable backrest half in the sofa mode of the sofa / bed according to the second embodiment of the present invention.

FIG. 17 is a perspective view showing the sofa / bed according to the third embodiment of the present invention in the bed mode.

FIG. 18 is a perspective view showing the movement of the movable backrest half when the sofa / bed according to the third embodiment of the present invention is converted from the bed mode to the sofa mode.

FIG. 19 is a perspective view showing the movement of the movable back half when the sofa / bed according to the third embodiment of the present invention is converted from the bed mode to the sofa mode.

FIG. 20 is a perspective view showing the movement of the movable back half when the sofa / bed according to the third embodiment of the present invention is converted from the bed mode to the sofa mode.

FIG. 21 is a perspective view showing the sofa / bed according to the third embodiment of the present invention in the sofa mode.

FIG. 22 is a perspective view showing details of a movable device for connecting the movable back half according to the third embodiment of the present invention to the headboard (and footboard).

FIG. 23 is a partially cutaway perspective view showing a state where the shaft of the movable device shown in FIG. 22 is inserted into the headboard.

FIG. 24 is a perspective view showing a state in which the sofa / bed according to the fourth embodiment of the present invention is used as a bed.

FIG. 25 is a perspective view showing a state in which the sofa / bed according to the fourth embodiment of the present invention is used as a sofa.

FIG. 26 is a perspective view showing a disassembled state of the movable device of the sofa / bed according to the fourth embodiment of the present invention.

FIG. 27 is an enlarged perspective view showing the movable device of the sofa / bed according to the fourth embodiment of the present invention.

FIG. 28 is an operation explanatory view showing a state in which the arm supported by the movable device of the sofa / bed according to the fourth embodiment of the present invention swings.

FIG. 29 is a cross-sectional view showing a state in which the arm is connected to the movable back half of the sofa / bed according to the fourth embodiment of the present invention.

FIG. 30 is a plan view showing a state where the movable back half of the sofa / bed according to the fifth embodiment of the present invention is moved to the first position and the second position.

FIG. 31 is a perspective view of the movable part of the backrest cut away to show the movable device of the sofa / bed according to the fifth embodiment of the present invention, as seen from the back side in the sofa mode.

FIG. 32 is an enlarged view showing the movable device of the sofa / bed according to the fifth embodiment of the present invention.

FIG. 33 is a perspective view showing a state in which a position adjusting / damage preventing mechanism included in a movable device for a sofa / bed according to a fifth embodiment of the present invention is disassembled.

FIG. 34 is a perspective view of the movable part of the backrest half cut away to show the movable device of the sofa / bed according to the sixth embodiment of the present invention, as seen from the back side in the sofa mode.

FIG. 35 is an enlarged view showing a movable device (particularly, position adjustment / damage prevention mechanism) of the sofa / bed according to the sixth embodiment of the present invention.

FIG. 36 is a cross-sectional view showing a state in which one arm is connected to the movable back half of the sofa / bed according to the sixth embodiment of the present invention.

FIG. 37 is a perspective view showing a state in which the sofa / bed according to the seventh embodiment of the present invention is used as a sofa.

FIG. 38 is a perspective view showing a state in which the sofa / bed according to the seventh embodiment of the present invention is used as a bed.

FIG. 39 is a perspective view showing a disassembled state of the movable device for the sofa / bed according to the seventh embodiment of the present invention.

FIG. 40 is a horizontal cross-sectional view showing the position of the movable backrest half body in the bed mode of the sofa / bed according to the seventh embodiment of the present invention.

FIG. 41 is a horizontal cross-sectional view showing a state where the movable back half of the sofa / bed according to the seventh embodiment of the present invention is being moved from the first position to the second position.

FIG. 42 is a horizontal sectional view showing the position of the movable back half in the sofa mode of the sofa / bed according to the seventh embodiment of the present invention.

FIG. 43 is a perspective view showing a disassembled state of the movable device of the sofa / bed according to the eighth embodiment of the present invention.

FIG. 44 is a perspective view showing a slide block and a hinge which constitute a movable device of the sofa / bed according to the eighth embodiment of the present invention.

45 is a horizontal sectional view showing the position of the movable backrest half in the bed mode of the sofa / bed according to the eighth embodiment of the present invention. FIG.

FIG. 46 is a horizontal cross-sectional view showing a state where the movable back half of the sofa / bed according to the eighth embodiment of the present invention is being moved from the first position to the second position.

FIG. 47 is a horizontal sectional view showing the position of the movable backrest half in the sofa mode of the sofa / bed according to the eighth embodiment of the present invention.

FIG. 48 is a perspective view showing a slide block and a link which are modifications of the eighth embodiment of the present invention.

FIG. 49 is a horizontal cross-sectional view showing the position of the movable backrest half body in the bed mode of the sofa / bed according to the modification of the eighth embodiment of the present invention.

50 is an operation explanatory view showing a state in which the movable back half of the sofa / bed according to the ninth embodiment of the present invention is being moved from the first position to the second position. FIG.

FIG. 51 is a cross-sectional view showing a state in which one arm is connected to a movable back half of a sofa / bed according to a ninth embodiment of the present invention via a support unit.

52 is a perspective view showing a support unit for a sofa / bed according to a ninth embodiment of the present invention. FIG.

FIG. 53 is a perspective view showing a state in which the bedding on the mattress is folded in half vertically when the sofa / bed according to the tenth embodiment of the present invention is in the bed mode.

FIG. 54 is a perspective view showing a state where the movable back half of the sofa / bed according to the tenth embodiment of the present invention is displaced to a position substantially above the first position.

FIG. 55 is an enlarged view showing the movable device and hinge bracket of the sofa / bed according to the tenth embodiment of the present invention.

FIG. 56 is a side view showing a state where the movable back half of the sofa / bed according to the tenth embodiment of the present invention is in the first position (second position).

FIG. 57 is a side view showing a state where the movable back half of the sofa / bed according to the tenth embodiment of the present invention is located substantially above the first position (second position).

[Explanation of symbols]

10, 68, 100, 110, 210, 211, 30
0,400,810 ... Sofa bed 12 ... Mattress 16,72,116,216 ... Headboard and armrests 18,73,118,218 ... Footboard and armrests 20; 22,62; 63,120; 122, ... Movable Back half 24 ... Back base 26 ... Cushion 28, 101 ... Movable device 60 ... Electric device 140, 240, 260, 302, 402 ... Movable device (equipped with position adjustment and damage prevention mechanism)

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Osamu Kashima 2-9-9 Namiki, Kanazawa-ku, Yokohama, Kanagawa

Claims (11)

[Claims] 1. A sofa-bed having a headboard, a footboard and a movable backrest, wherein the movable backrest is divided into two left and right movable backrest halves, each movable backrest half being substantially the same as each of the boards. Between the first upper position and a second position substantially parallel to the centerline extending in the longitudinal direction of the sofa / bed, and in the bed mode, each movable back half is moved to the first position. A sofa / bed which is stored in a position so that each movable back half is supported in the second position in the sofa mode. 2. A sofa combined bed comprising a headboard, a footboard and a movable backrest, wherein the movable backrest is divided into two left and right movable backrest halves, each movable backrest half being substantially the same as each of the boards. Between the first upper position and a second position substantially parallel to the centerline extending in the longitudinal direction of the sofa / bed, and in the bed mode, the respective movable backrest halves are aforesaid. A sofa / bed which is stored in the first position, and in the sofa mode, the two movable backrest halves are supported in the second position to be connected to each other. 3. A sofa / bed having a headboard, a footboard and a movable backrest, wherein the movable backrest is divided into two left and right movable backrest halves, and each movable backrest halve is close to each board. Between the first position and the second position substantially parallel to the centerline extending in the longitudinal direction of the sofa / bed, and in bed mode, each movable backrest half is moved to the first position. And a sofa-combined bed which supports the movable backrest halves in the second position in the sofa mode. 4. A sofa / bed having a headboard, a footboard, and a movable backrest, wherein the movable backrest is divided into two left and right movable backrest halves, and each movable backrest half is aligned with each board. Between the first position and the second position substantially parallel to the centerline extending in the longitudinal direction of the sofa / bed, and in bed mode, each movable backrest half is moved to the first position. And a sofa-bed, wherein the two movable backrest halves are supported in the second position in the sofa mode. 5. A sofa-bed having a headboard and a footboard, wherein each board is divided into an upper movable board half body and a lower stationary board half body, which are upper and lower, and each movable board is movable. The board halves are cushioned so that each movable board half is movable between a first position substantially above the stationary board halves and a second position that can be used as a backrest in sofa mode. In the bed mode, the movable board halves are housed in the first position, and in the sofa mode, the two movable board halves are supported in the second position. A bed that doubles as a sofa. 6. The movable backrest half or the movable board half is moved horizontally between the first position and the second position. Based sofa bed. 7. An electric device for moving the movable back half or the movable board half between the first position and the second position, as claimed in any one of claims 1 to 6. A sofa / combined bed based on crab. 8. The surface of a cushion provided on the movable back half or the movable board half is pre-inclined so as to comfortably support the user's body in the sofa mode. A sofa / combined bed according to any one of claims 1 to 7. 9. A movable device for supporting the movable back half or the movable board half on the headboard (or footboard) so as to be movable between the first position and the second position. A sofa / combined bed according to any one of claims 1 to 8. 10. The movable device is capable of adjusting the position of the movable back half or the movable board half supported in the second position in at least one of a vertical direction and a front-back direction, and the movable device is movable. 10. The sofa according to claim 9, further comprising a position adjusting and damage preventing mechanism capable of absorbing a load to prevent damage when an excessive load is applied to the backrest half or the movable board half. bed. 11. The movable back half or the movable board half is coupled to the movable device so as to be displaceable to a position substantially above the first position and the second position. Sofa combined bed based on 9 or 10.