JP2001145545A - Cushion comprising mattress or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To properly form partially hard points locally in a mattress incorporating coil springs without using plural types of coil springs. SOLUTION: A pair of cushion units 1 comprising a layered cushion part Ma is formed by combining a plurality of cushion constituents 2 formed of a plurality of coil springs 20 in parallel contained in tubes 22 of tissue. At least one of the pair of cushion units is provided with a concave part 10. Some of the plurality of cushion constituents 2 contain coil springs 20 in more compressed state in tubes 22 of tissue because of the concave part 10 for reducing their size of the longitudinal direction with respect to the rest of the cushion constituents 2. The cushion is provided with spacers 3 of a thickness corresponding to the space formed by the concave part 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a cushion constituting a mattress having a built-in coil spring.

[0002]

2. Description of the Related Art There is a mattress having a built-in coil spring in which a part of the mattress is made harder than other parts as required, that is, harder to sink than other parts. This is for the purpose of improving the comfort of a user lying on the mattress by making it difficult for the back and buttocks of the user to sink as required, so that the user can sleep in a correct posture.

As such a mattress, there is a mattress in which a mattress is constituted by a pair of spring units, and a longitudinally central portion of the spring unit is formed by a coil spring having a smaller deformation amount with respect to a load than coil springs of other portions. (See Japanese Utility Model Application Laid-Open No. 4-118067 published in the Japanese Utility Model Publication) Further, such a mattress is one in which a bag is interposed between a spring unit and an exterior body, and a reinforcing plate is inserted into the bag. is there. (See Japanese Utility Model Publication No. 3-55329 published in the Utility Model Publication)

[0004]

However, in the former conventional mattress, two types of coil springs having different hardnesses have to be prepared to constitute the mattress. Further, in order to cope with the user's weight and preference, it is necessary to prepare a plurality of types of coil springs having a small deformation amount and combine them with the coil springs of other parts of the spring unit.

In the latter conventional mattress, not only the bag must be provided in the mattress but also a plurality of types of reinforcing plates having different hardnesses are required for adjusting the hardness. In addition, it is necessary to prepare the mattress, and furthermore, the mattress portion in which the reinforcing plate is inserted is easily swelled with respect to the other portion of the mattress, and it is difficult to appropriately maintain the appearance of the mattress.

In view of the above, according to the present invention, in a cushion body constituting a mattress or the like having a built-in coil spring, a partially hard portion can be appropriately formed in a desired portion without using a plurality of types of coil springs. The main object of the present invention is to make it possible to easily adjust the hardness as needed, and to provide a mattress or the like which is constituted with a good appearance.

[0007]

In order to achieve the above object, according to the first aspect of the present invention, a cushion body constituting a mattress or the like is provided with the following configurations (1) to (3). It was taken. (1) A plurality of coil springs whose spring axes are directed up and down are placed in parallel in a horizontally long tubular cloth, and both side faces of the tubular cloth are fastened together between the stored coil springs. A cushion unit configured by combining a plurality of cushion components holding the respective coil springs so that the vertically oriented side surfaces thereof are brought into contact with an adjacent cushion component, and (2) the cushion unit A recess is formed on at least one of the upper surface side and the lower surface side of the unit, and (3) the recess forms a part of the plurality of cushion components constituting the cushion unit.
The coil spring is housed in the tubular cloth in a state of being compressed in the axial direction of the spring, so that the dimension in the vertical direction is smaller than that of the cushion structure of the other part.

According to this configuration, while using substantially the same coil spring, the coil spring is compressed by a desired amount by changing the size of the internal space of the tubular cloth for accommodating the coil spring, thereby forming the recess. A cushion structure to be constituted can be formed, and portions having different hardness can be easily and appropriately created in the cushion unit. Further, the compression amount of the coil spring can be adjusted by adjusting the size of the internal space of the tubular cloth, and the hardness according to the user's preference or the like can be adjusted to the cushion structure of the recessed portion. It can be easily held. Further, by combining a plurality of cushion components, the recess can be easily provided at a desired position of the cushion unit.

Further, in the invention according to claim 2, the cushion body constituting the mattress or the like is as follows:
The configuration of (5) was provided. (1) A cushion body provided with a superimposed cushion portion configured by superposing a pair of cushion units,
(2) Each of the pair of cushion units constituting the superimposed cushion portion accommodates a plurality of coil springs each having a spring axis oriented vertically in a horizontally elongated tubular cloth, and between the accommodated coil springs. A configuration in which a plurality of cushion components that hold the respective coil springs together by fastening both side portions of the tubular cloth together so that the longitudinal side surfaces thereof are in contact with the adjacent cushion components. And (3) a recess is formed in at least one of the pair of cushion units on the side of the cushion unit that contacts the other cushion unit,
(4) The recess is used to fit a part of the plurality of cushion components constituting the cushion unit in the tubular cloth in a state where the coil spring is compressed in the axial direction of the spring. (5) A spacer having a thickness corresponding to a gap formed between the pair of cushion units due to the recess is provided.

According to such a configuration, while using substantially the same coil spring, the coil spring is compressed by a desired amount by changing the size of the internal space of the tubular cloth for accommodating the coil spring, thereby forming the recess. A cushion structure to be constituted can be formed, and portions having different hardness can be easily and appropriately created in the cushion unit. Further, the compression amount of the coil spring can be adjusted by adjusting the size of the internal space of the tubular cloth, and the hardness according to the user's preference or the like can be adjusted to the cushion structure of the recessed portion. It can be easily held. Further, by combining a plurality of cushion components, the recess can be easily provided at a desired position of the cushion unit.

Further, since the spacer provided with the thickness corresponding to the gap formed between the pair of cushion units by the recess formed in the cushion unit is provided, the other of the pair of cushion units is provided. On the side opposite to the side in contact with the cushion unit, the mattress is maintained while the surface of the cushion body constituting the mattress or the like is kept flat without causing sinking of the surface of the overlapping cushion portion caused by the recess. It is possible to create a partially hard part in the cushion body constituting the above. In addition, since the cushion unit is formed by a cushion structure configured to house the coil spring in the cylindrical cloth, the spacer housed in the recess does not directly contact the coil spring, and the spacer is used. The spacer can be appropriately incorporated without having a special structure such as a bag to be stored.

Further, according to the third aspect of the present invention, the cushion member constituting the mattress or the like according to the second aspect,
A gap is formed between the pair of cushion units by recesses formed in both of the pair of cushion units.

According to such a configuration, the hard portion of the cushion body can be located at the same position regardless of which of the two wide surfaces of the cushion body is used up, and the cushion body constituting a mattress or the like can be obtained. There is no hindrance to the use of a so-called rotation of a mattress or the like for preventing sagging.

Further, in the invention according to the fourth aspect, the vibration generator is provided in the spacer of the cushion body constituting the mattress or the like according to the second or third aspect.

According to such a configuration, it is possible to impart a massage effect to the user's body lying on the mattress provided with the cushion body, to impart a massage effect, and to achieve a more comfortable sleep. .

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A typical embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 shows a cross section of a main part of a mattress M constituted by a cushion body according to this embodiment, and FIG. 2 shows a part of the structure of FIG. The main part of the mattress M to be changed is shown in cross section.

FIG. 3 shows one of the cushion units 1 constituting the cushion body in a separated state, and FIG. 4 shows a long block 24 and a short block 25 constituting the cushion unit 1. 2 shows a state in which is combined. FIG. 5 shows the cushion unit 1 viewed from the recess 10 side.

FIGS. 6 and 7 show one of the long cushion structures 2 "in a cross section of a main part thereof. FIGS. 8 to 11 show the short cushion structures 2". 'Is shown with its main part in cross section.

FIG. 12 is a side view showing the pair of cushion units 1 and 1 separated from each other, and FIG. 13 is a side view showing the pair of cushion units 1 and 1.
It is a side view of a superimposed cushion portion Ma composed of the following.

FIG. 14 is a side view showing the configuration of a superimposed cushion portion Ma which is partially different from FIG.

FIG. 15 shows a state in which a pair of cushion units 1 and 1 constituting a superimposed cushion portion Ma which is partially different from those shown in FIGS. 13 and 14 are separated, and FIG. FIG. 4 is a side view of the superposed cushion portion Ma. (The broken line portion in the figure shows the outline of a portion of the superimposed cushion portion Ma when the portion is lifted upward.)

FIG. 17 is a side view of a superposed cushion portion Ma having a partly different structure from the superposed cushion portion Ma shown in FIGS. 13, 14 and 16, and FIG. FIG. 4 is a perspective configuration diagram of a spacer 3 incorporated in a part Ma.

The cushion body constituting the mattress and the like according to the present embodiment has a coil spring 20 built therein to constitute a bed mattress and a sofa cushion and the like.

The cushion body has a superposed cushion portion Ma formed by superposing a pair of cushion units 1 and 1 on each other. In the example shown in each of the drawings, such a cushion body is configured to be used for a mattress M constituting a bed. In such an example, each of the cushion units 1 has a generally rectangular wide side with a length and width adapted to the length and width of the bed to be used, respectively, and a plurality of coil springs respectively. Are housed inside with the spring axis line extending along the thickness direction of the cushion unit 1. Further, the pair of cushion units 1 and 1 are configured to have substantially the same size. And in the example shown in each said figure, such a pair of cushion units 1 and 1
The side surface on the length side of one cushion unit 1 (the surface in the thickness direction of the cushion unit 1) and the side surface on the length side of the other cushion unit 1 are located substantially on the same plane, and The side surface on the width side of the cushion unit 1 (the surface in the thickness direction of the cushion unit 1) and the side surface on the width side of the other cushion unit 1 are positioned substantially on the same plane. The superposed cushion portion Ma is formed by superposing the wide surface of the unit 1 and the wide surface of the other cushion unit 1 in contact with each other.

It should be noted that the pair of cushion units 1 and 1 may be integrated with one surface of the other cushion unit 1 by bonding or the like to one surface thereof.

Also, typically, the superposed cushion portion Ma is covered on both sides of the superimposed cushion portion Ma with a laterally facing covering material 100 (referred to as a mirror or the like) made of a quilting material or the like. Further, the surface in the thickness direction is formed by a vertical covering material 110 made of a quilting material or the like.
(Referred to as a border, a town, etc.) to constitute the mattress M. Such a lateral covering material 100
And the vertical covering material 110, the side edges of the
The cover is sewn in a state covered with 20, and is integrated.

Also, typically, the lateral covering material 100
The urethane mat 130 is sandwiched between the superposed cushion portion Ma and the wide surface. Further, the nonwoven fabric 140 is sandwiched between the urethane mat 130 and the wide surface of the overlapping cushion portion Ma.

In the example shown in FIGS. 1 and 2, between the urethane mat 130 and the lateral covering material 100,
Sheet 150 with ceramic powder such as tourmaline
Is sandwiched. When the sheet 150 is provided in this manner, the function of the mattress M can be further improved, such as improving the comfort of sleeping by the far infrared ray effect, deodorizing effect, antistatic effect, and the like of the ceramic powder. Such a sheet 150 can be obtained, for example, by forming the sheet 150 using fibers formed by mixing the ceramic powder with a plastic fiber raw material. Can be obtained by applying a paint or the like mixed with

Further, as shown in FIG. 2, the vertical covering material 110 is divided into two parts in a direction around the overlapping cushion portion Ma, and is divided into one of the lateral covering materials 100. One side vertical covering material 11 sewn as described above
1 and the other longitudinal covering material 112 sewn to the other of the lateral covering material 100 are connected to each other on the side opposite to the side sewn to the lateral covering material 100. There is also. In this case, one and the other of the pair of cushion units 1 and 1 are separately transported, and the two cushion units 1 and 1 are overlapped at the installation location as described above. The mattress M can be appropriately configured by connecting the covering material 111 and the other-side vertical covering material 112 together,
The mattress M can be easily transported and installed. The connection between the one-side vertical covering material 111 and the other-side vertical covering material 112 is performed, for example, by connecting one of the male and female slide fasteners 160, 160 to the one-side vertical covering material 111. 100, and the other of the male and female slide fasteners 160, 160 is opposite to the side of the other side vertical outer covering material 112 that is sewn with the horizontal covering material 100. After the two cushion units 1 and 1 are superimposed on each other, the slide fasteners 160 forming the male and female can be fastened together. In such a case, a covering cloth covering the fastened slide fastener 160 is attached to a side edge of one of the longitudinal covering materials 111 and 112 opposite to the side sewn with the lateral covering material 100. By providing the mattress M, the appearance of the mattress M can be prevented from being impaired.

In this embodiment, a pair of cushion units 1 constituting the superposed cushion portion Ma,
1 are arranged in parallel in a horizontally long tubular cloth 22, and a plurality of coil springs 20, 20... With their spring axes oriented vertically are placed in parallel with each other. The two cushion components 2, 2... Holding the respective coil springs 20, 20. It is configured by bonding.

The tubular cloth 22 constituting the cushion structure 2 is typically made of a polypropylene fiber piece or a non-woven fabric mainly composed of a polypropylene fiber piece. In the state of being folded in two, the two sides 22a, 22 of the nonwoven fabric which are folded in two on the side opposite to the folded side and opposed to each other
a are welded together by heat welding to form a horizontally long cylindrical shape having a predetermined length and width. Also,
In this embodiment, both side portions of the tubular cloth 22 between the coil springs 20, 20... Accommodated in the tubular cloth 22 are long in the width direction of the tubular cloth 22. The fixing portions 22b are fixed together by heat welding, and the coil springs 20 are held between adjacent fixing portions 22b, 22b so that the spring axes thereof are directed one by one up and down. I have. Each of the coil springs 20 accommodated in each of the cushion structures 2, 2,... Has substantially the same coil spring 20 with substantially the same diameter, material, and number of turns.
There is.

In this embodiment, a plurality of cushion structures 2, 2,...
The cushion unit 1 is formed by adhering the cushion structures 2 and 2 adjacent to each other with the side surface 21 in the vertical direction. Each of the cushion components 2, 2,... Is bonded so that at least one end surface 23 thereof (the surface of the cushion component 2 in the lateral direction) is positioned at substantially the same level as one end surface 23 of the adjacent cushion component 2. Have been combined.

Further, the pair of cushion units 1,
1 is provided with a recess 1 on the side of the cushion unit 1 in contact with the other cushion unit 1.
0 is formed. In this embodiment, the recess 10 is used to replace a part of the cushion components 2, 2... Constituting the cushion unit 1 with the coil spring 20 in the tubular cloth 22. By being stored in a state of being compressed in the axial direction of the spring, it is formed to have a smaller vertical dimension than the cushion structure 2 of the other part. (Hereinafter, the cushion component 2 formed by reducing the length in the vertical direction is referred to as a short cushion component 2 ′ and the other cushion components 2).
Is referred to as a long cushion structure 2 ″.)

That is, in this embodiment, one of the end surfaces 23 of the long cushion structure 2 "and one of the end surfaces 23 of the short cushion structure 2 'are positioned substantially on the same plane. The two cushion components 2 are combined as described above, and the recess 10 is formed in the cushion unit 1 by the step formed between the other end surfaces of the two cushion components 2. Typically, FIG. , A plurality of long cushion structures 2 ", 2"
Are bonded together with the longitudinal side surfaces 21 of the adjacent long cushion structures 2 ", 2" to form a long block 24 formed to have a predetermined bed width, and a plurality of short cushion structures. A short block 25 formed by gluing the bodies 2 ', 2' ... together with the longitudinal sides 21 of the adjacent short cushion structures 2 ', 2' to have the expected width of the bed; Are bonded together such that the wide side surfaces of both blocks 24 and 25 are substantially flush with the block side surface in the width direction of the bed, whereby the recess 10 can be formed in the cushion unit 1. . (FIGS. 4 and 5)

The short cushion structure 2 ′
The length of the short-sized cushion structure 2 ′ in the longitudinal direction of the cylindrical cloth 22 is set to the length of the cylindrical cloth 2 of the long-size cushion structure 2 ″.
It can be configured by making it smaller than 2.

More specifically, a cloth such as a folded nonwoven fabric forming the cylindrical cloth 22 of the short cushion structure 2 'and the cylindrical cloth 22 of the long cushion structure 2 "are formed. The cloth is a cloth having the same width, and both side edges 22a, 22a opposite to the folded side of the cloth.
In the state where the overlap of the cloth is larger than the cylindrical cloth 22 of the long cushion structure 2 ″, both side edges of the cloth constituting the cylindrical cloth 22 of the short cushion structure 2 ′ are opposite to the folded side. By fastening the portions 22a, 22a together, the longitudinal dimension of the tubular cloth 22 constituting such a short cushion structure 2 'is made smaller than the cylindrical cloth 22 of the long cushion structure 2 ". Can be. (FIGS. 8 and 9)

Further, a cloth, such as a non-woven fabric, which is folded in two to form the tubular cloth 22 of the short cushion structure 2 ′ is replaced with the cloth constituting the cylindrical cloth 22 of the long cushion structure 2 ″. The length of the cylindrical cloth 22 constituting the short cushion structure 2 ′ is reduced by making the width of the cloth small.
Can be smaller than (FIGS. 10 and 11)

As described above, the coil springs 20 accommodated in each cushion structure 2, that is, the short cushion structure 2 'and the long cushion structure 2 ", are provided.
Are almost the same, the coil spring 20 accommodated in the short cushion structure 2 ′ is the same as the coil spring 2 accommodated in the long cushion structure 2 ″.
It is more compressed in the spring axis direction than zero. As a result, the cushion unit 1 composed of the short block 25 and the long block 24 is harder at the short block 25 than at the long block 24, that is, hard to sink. . In particular, in this embodiment, the size of the internal space of the tubular cloth 22 in which the coil springs 20 are accommodated using substantially the same coil springs 20 without using a plurality of coil springs 20 having different elasticities. Only by changing the thickness of the cushion unit 1 can a part having a different hardness be easily and appropriately formed.

In this embodiment, the spacer 3 having a thickness corresponding to a gap formed between the pair of cushion units 1 and 1 by the recess 10 formed in the cushion unit 1. It has.

That is, the plate-like spacer 3 which fits in the recess 10 so as to fill the recess 10 and has a thickness substantially equal to the depth of the recess 10 is attached to the recess 10.
The pair of cushion units 1, 1
Are superimposed as described above.

As a result, in this embodiment, the short dimension on the side of the pair of cushion units 1 and 1 opposite to the side in contact with the other cushion unit 1 (hereinafter referred to as the front side 11). Superimposed cushion portion M caused by recess 10 formed by block 25
a of the mattress M while keeping the surface of the mattress M flat without causing sinking of the surface of the mattress M.
A partially hard part can be created at the same time.

As the spacer 3, for example, a felt mat or a non-woven fabric formed hard, a plastic plate, a foamed urethane plate, a bag filled with air or water, a plastic plate having a honeycomb structure, or the like can be used.

A recess 1 provided in the cushion unit 1
0 is provided in a necessary number and a necessary part as needed. Typically, it is formed inside a place where the back of the user contacts and a place where the buttocks contact when lying on the bed. When the recesses 10 and 10 are provided in two places in this way, the long block 24, the short block 25, and the long block extend from the side of the bed where the user's head is located to the side where the legs are located. Each of the short blocks 2 is placed between three long blocks 24 so that each block is arranged in the order of the block 24, the short block 25, and the long block 24.
.. May be integrally combined by bonding or the like so that the blocks 5 are arranged. Also, in this case,
The recesses 10 are formed at two places of the cushion unit 1, and the spacers 3 are accommodated in the respective recesses 10. (FIGS. 12 and 13)

The recess 10 may be provided in one of the pair of cushion units 1, 1 which are superposed as described above, or may be provided in both (FIG. 13) (FIG. 14). A recess 10 is provided in one of the pair of cushion units 1 and 1.
Is provided, the front side 1 of the short block 25 in the cushion unit 1 on the side where the recess 10 is provided.
Only one can be hardened.

When the recess 10 is provided in both the pair of cushion units 1, 1, only the front side 11 of the short block 25 in both cushion units 1 can be hardened.

By setting the longitudinal dimension of the short cushion structure 2 'in each cushion unit 1 so that the recesses 10 of the pair of cushion units 1 and 1 have substantially the same depth, Whichever of the two wide sides of the mattress M is used, the mattress M can be used so that the hard portion of the mattress M can be located at the same position, and so-called rotation for preventing the mattress M from sagging. It does not hinder use. In this case, a spacer 3 having a thickness twice as large as the depth of the recess 10 of the pair of cushion units 1 and 1 is prepared, and the spacer 3 covering the recess 10 of the one cushion unit 1 is placed. The other cushion unit 1 on top of this one cushion unit 1
Are overlapped, it is possible to form a superimposed cushion portion Ma in which the spacers 3 are appropriately placed in the recesses 10 of the respective cushion units 1. (FIG. 14)

After the long block 24 and the short block 25 are combined, the longitudinal side surface 21 of the long cushion structure 2 ″ is bonded to the surface on the thickness side in the length direction. (FIGS. 3 to 5) In this case, the cushion unit 1 has an inner wall surface of the recess 10 in the longitudinal direction of the cushion unit 1 as well. The cushion unit 1 can be provided with the recess 10, and the spacer 3 can be easily housed in the recess 10 without displacement.

Further, the pair of cushion units 1,
1, a part where the recess 10 forming the cushion unit 1 located on the lower side is formed and a part where the recess 10 is not formed are integrally bonded and divided without being joined together;
In some cases, the covering members covering the pair of cushion units 1 and 1 may maintain the respective parts in a juxtaposed state. (FIG. 15) In this case, by using a suitable lifting means, the bed in which the portion where the recess 10 is formed and the portion where the recess 10 is not formed in the cushion unit 1 located below is set as the tilting center, The side where the user's head is located or the side where the legs are located can be easily lifted upward. (FIG. 16) Further, the jacket material used in this case is made of a stretchable material, and is also configured to enter from the outside into a portion where the concave portion 10 is formed and the non-formed portion. This can further facilitate the tilting. Note that FIG.
Is an adhesive bonding the pair of cushion units shown in FIG.

The spacer 3 has a vibration generator 3
0 may be provided in the cushion body. (FIG. 17)

[0051] In this case, the body of the user lying on the mattress M is acted on by a minute vibration or the like, so that a massage effect can be imparted and a more comfortable sleep can be achieved.

The vibration generator 30 can be provided in the spacer 3 by, for example, being housed in a hole provided in the spacer 3 or being embedded in the spacer 3. (FIG. 18)

As the vibration generator 30, an electro-mechanical vibration converter, an electro-acoustic converter, or the like can be used.

[0054]

According to the cushion body of the present invention, a partly hard part is formed on a mattress or the like.
It is possible to appropriately form a desired portion without using a plurality of types of coil springs, and it is also possible to easily adjust hardness as needed, and to provide a mattress or the like with a good appearance. it can.

[Brief description of the drawings]

FIG. 1 is a cross-sectional perspective view of a main part of a mattress M.

FIG. 2 is a cross-sectional perspective view of a main part of the mattress M having a part of the configuration different from that of the mattress M of FIG. 1;

FIG. 3 is an exploded perspective view of the cushion unit 1;

4 is an exploded perspective view of the cushion unit 1. FIG.

FIG. 5 is a perspective configuration diagram of the cushion unit 1.

FIG. 6 is a cutaway perspective view of a main part of a long cushion structure 2 ″.

FIG. 7 is a fragmentary side view of a long cushion structure 2 ″.

FIG. 8 is a cutaway perspective view of a main part of the short cushion structure 2 '.

FIG. 9 is a cutaway side view of a main portion of the short cushion structure 2 '.

FIG. 10 is a cutaway perspective view of an essential part of a short cushion structure 2 ′ having a part of the structure different from that of FIGS. 8 and 9;

FIG. 11 shows the short cushion structure 2 ′ shown in FIG.
Main part broken side view

FIG. 12 is a diagram illustrating the separated configuration of a superimposed cushion portion Ma.

FIG. 13 is a side view of the same.

FIG. 14 is a perspective view of a superimposed cushion portion M which differs from the superimposed cushion portion Ma shown in FIG. 12 and FIG.
Side view of a

FIG. 15 is an exploded configuration diagram of a superimposed cushion portion Ma that partially differs from the superimposed cushion portion Ma shown in FIGS. 12 to 14;

FIG. 16 is a side view of the same.

FIG. 17 is an exploded configuration diagram of a superimposed cushion portion Ma that differs in a part of the configuration from the superimposed cushion portion Ma shown in FIGS. 12 to 16;

FIG. 18 is a perspective view of a main part of a spacer 3 incorporated in the superimposed cushion portion Ma shown in FIG.

[Explanation of symbols]

 M Mattress Ma Superimposed cushion part 1 Cushion unit 10 Concave part 2 Cushion structure 20 Coil spring 21 Vertical side surface 22 Cylindrical cloth 3 Spacer

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Kunio Hara 184 Maioka-cho, Totsuka-ku, Yokohama-shi, Kanagawa Prefecture F-term in Nifco Co., Ltd. 3B096 AB07 AC15 AD02

Claims (4)

[Claims] 1. A plurality of coil springs each having a spring axis oriented vertically in a horizontally elongated tubular cloth, and a plurality of coil springs arranged in a parallel state. And a cushion unit configured to combine the plurality of cushion components holding the respective coil springs so that the longitudinal side surfaces thereof are brought into contact with the adjacent cushion components. A concave portion is formed on at least one of the upper surface side and the lower surface side of the coil unit. By storing the spring in a state compressed in the axial direction of the spring, compared to other cushion structures Cushion body constituting the mattress or the like, characterized in that is formed by reducing the dimension. 2. A cushion body provided with a superimposed cushion portion constituted by superposing a pair of cushion units, wherein each of the pair of cushion units constituting the superimposed cushion portion includes a spring in a horizontally long tubular cloth. A plurality of cushions in which a plurality of coil springs whose axes are oriented vertically are stored in a parallel state, and both side surfaces of the tubular cloth are fastened to each other between the stored coil springs to hold the respective coil springs. The components are configured to be combined so that the side surfaces in the vertical direction are in contact with the adjacent cushion components, and at least one of the pair of cushion units includes:
A concave portion is formed on the side of the cushion unit that is in contact with the other cushion unit, and the concave portion allows a part of the plurality of cushion components constituting the cushion unit to be formed in the tubular cloth by the coil. The spring is housed in a state compressed in the axial direction of the spring, so that the dimension in the vertical direction is made smaller than that of the other part of the cushion structure, and is formed between the pair of cushion units by the recess. A cushion body comprising a mattress or the like, comprising a spacer having a thickness corresponding to a gap. 3. The cushion body constituting a mattress or the like according to claim 2, wherein a gap is formed between the pair of cushion units by recesses formed in both of the pair of cushion units. 4. The cushion body constituting a mattress or the like according to claim 2, wherein the spacer is provided with a vibration generator.