JP2002000401A - Mattress - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mattress a cover of which can be easily removed and washed. SOLUTION: In the mattress 1, a large number of coil springs 5 are joined together using joining parts 6a and 6b to form a spring unit 2, which is covered with the cover 3. The cover 3 consists of an upper cover 3a which covers the upper part of the spring unit 2, a lower cover 3b which covers the lower part of the spring unit 2, and a gusset 11 which covers the four side faces. This mattress has the feature that it can be separated at the middle of the gusset by a slide zipper 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mattress constructed by covering a spring unit with an exterior body.

[0002]

2. Description of the Related Art Generally, a mattress of this type has a spring unit formed by connecting a large number of coil springs by connecting members and providing upper and lower peripheral frames around the coil springs. A protective material such as felt and an elastic body such as urethane foam are polymerized on the upper and lower surfaces, and the whole is covered with an exterior body. Then, the protective material is fastened to the edge frame of the spring unit with a hog ring so as not to move, and similarly, the peripheral portion of the protective material is wrapped around so that the elastic body does not move, and the hog ring is positioned at an intermediate height position of the coil spring. It is fixed at. On the other hand, the exterior body includes an upper exterior body that covers the upper surface of the elastic body, a lower exterior body that covers the lower surface, and a gusset that covers the outer peripheral side surface. And are integrally formed with the spring unit.

[0003]

As described above, in the above-mentioned conventional mattress, the spring unit and the outer body are formed as an integrated structure, and the outer body cannot be removed from the spring unit. However, there is a problem that washing cannot be performed even if the exterior body becomes dirty due to the incontinence of the elderly or the sweat or the like due to long-term use.

In addition, the spring unit and the protective member, and the spring unit and the elastic body need to be fixed by a large number of hog rings, or the work of attaching the exterior body has been required, so that the operation cost has been high. Furthermore, when the mattress is disposed of or the spring unit is reused, it takes a lot of time to separate the spring unit from the outer body, or the spring unit from the protective material and the elastic body. In terms of problems.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to allow an exterior body to be easily removed from a spring unit for washing, and furthermore, to dispose of or dispose of the spring unit. It is an object of the present invention to provide a mattress suitable for recycling by easily separating and disassembling a spring unit, a protective material, and an elastic body when reusing.

[0006]

According to a first aspect of the present invention, a spring unit is formed by connecting a number of coil springs with a connecting member, and the entire spring unit is provided as an exterior. In a mattress configured to be covered by a body, the exterior body includes an upper exterior body that covers an upper surface of a spring unit, a lower exterior body that covers a lower surface, and a gusset that covers an outer peripheral side surface, and a substantially middle height of the gusset. It is characterized in that it can be separated vertically by a slide fastener at the position.

According to a second aspect of the present invention, a spring unit is formed by connecting a large number of coil springs by a connecting member, and forming an edge frame at upper and lower peripheral edges so as to surround the coil springs. In a mattress constituted by covering the whole with an exterior body, a non-slip member is wound around the edge frame, and a protective material and an elastic body are respectively provided on upper and lower surfaces of a spring unit, and the exterior body is provided with an elastic body. An upper exterior body that covers the upper surface, a lower exterior body that covers the lower surface, and a gusset that covers the outer peripheral side surface, and can be vertically separated by a slide fastener at a substantially intermediate height position of the gusset. .

[0008] Further, the invention according to claim 3 is based on claim 1.
Or the invention according to claim 2, wherein elastic corner members are provided outside the four corners of the spring unit, the surfaces of the elastic corner members are covered with decorative cloth, and the decorative cloth is fastened to the edge frame. It is characterized by becoming.

According to the first aspect of the present invention, by fully opening the slide fastener and vertically separating the exterior body, the exterior body can be easily removed from the spring unit and can be washed freely. Becomes

According to the second aspect of the present invention, after the slide fastener is fully opened and the exterior body is removed, a simple operation of simply removing the protective material and the elastic body that have been superposed on the upper and lower surfaces of the spring unit, respectively, is performed. The spring unit, the protective member and the elastic body can be separated and disassembled, and the spring unit can be easily recycled.

Further, according to the third aspect of the present invention, it is possible to prevent the elastic corner member from falling off when the slide fastener is partially opened to adjust the hardness of the spring unit and the exterior body is turned up. It becomes possible.

[0012]

Next, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is an external perspective view of the mattress, and FIG. 2 is an exploded perspective view thereof. In the figure, reference numeral 1 denotes a mattress, which is constituted by a spring unit 2 and an exterior body 3. The spring unit 2 is configured by arranging a large number of drum-shaped coil springs 5 having upper and lower annular end surface portions 4a and 4b formed in the same shape in a plane rectangular shape, and each coil arranged in the longitudinal direction. The upper and lower annular end surfaces 4a, 4b of the spring 5 are connected to each other by frame lines 6a, 6b as connecting members. In addition, edge frames 7a and 7b formed of steel wire are provided on the upper and lower peripheral portions so as to surround the coil springs 5, and the upper and lower portions of these edge frames 7a and 7b and the coil springs 5 located on the peripheral portion are provided. Of a well-known structure in which the annular end face portions 4a and 4b are joined by a hog ring 8.

On the upper and lower surfaces of the spring unit 2,
Urethane foam sheets 10a and 10b as elastic bodies are polymerized via felt sheets 9a and 9b as protective materials, and the whole is covered with the exterior body 3. The exterior body 3 includes an upper exterior body 3a covering the upper surface of the upper urethane foam sheet 10a, a lower exterior body 3b covering the lower surface of the lower urethane foam sheet 10b, and a gusset 11 covering the outer peripheral side surface. The gusset 11 is divided into upper and lower portions at a substantially intermediate height position, and the upper end of the upper gusset 11a is sewn to the periphery of the upper exterior body 3a, and the lower end of the lower gusset 11b is sewn to the periphery of the lower exterior body 3b. Is being worn. A pair of slide fasteners 12 are sewn to the lower edge of the upper gusset 11a and the upper edge of the lower gusset 11b.
The outer body 3 is configured to be detachably attached to the gusset 11 at a substantially middle height position so as to be vertically detachable.

The upper gusset 11a and the lower gusset 11
The dimension in the height direction of b is such that the felt sheets 9a and 9b and the urethane foam sheets 10a and 10b are strongly pressed against the spring unit 2 by tightening the slide fastener 12. Also, the upper exterior body 3
The a and the lower exterior body 3b are quilted by accommodating a filling 13 such as cotton or urethane foam between the outer material and the backing cloth 20. Further, the urethane foam sheets 10a and 10b have a large number of square through holes 1 as a whole.
4 are provided, and thus a large number of through holes 1 are provided.
By providing 4, excellent air permeability and heat retention can be obtained.

On the other hand, a felt 15 as a non-slip member is wound around upper and lower edge frames 7a and 7b provided on a peripheral portion of the spring unit 2 and fixed by a hog ring 16. Elastic corner members 17 made of urethane foam or the like are provided outside the four corners of the spring unit 2. Each of these elastic corner members 1
Reference numeral 7 covers the upper and lower edge frames 7a and 7b and covers the surface thereof with a decorative cloth 18, and is fixed to the edge frames 7a and 7b by a hog ring 19 integrally with the decorative cloth 18. In this way, by fixing the elastic corner members 17 to the edge frames 7a and 7b integrally with the decorative cloth 18, the slide fastener 12 may be partially opened and the exterior body 3 may be turned up. The elastic corner member 17 can be prevented from falling off.

According to the mattress 1 having such a configuration,
Since the exterior body 3 can be separated vertically by the slide fastener 12 at a substantially intermediate height position of the gusset 11, when the exterior body 3 becomes dirty, it can be easily removed from the spring unit 2 and washed. Can be.

The felt sheets 9a and 9b and the urethane foam sheets 10a and 10b which are superimposed on the upper and lower surfaces of the spring unit 2 are made of a non-slip felt 15 and a slide fastener 12 wound around upper and lower edge frames 7a and 7b. As a result, the superposed state is firmly maintained so that the upper and lower outer frames 3a and 3b do not shift during use even if they are not fixed to the upper and lower edge frames 7a and 7b. Therefore, the felt sheets 9a and 9b, the urethane foam sheets 10a and 10b, and the spring unit 2
When the mattress 1 is discarded or the spring unit 2 is reused, the felt sheets 9a and 9b and the urethane foam sheet are removed from the spring unit 2. Disassembly and separation can be easily performed only by removing 10a and 10b.

[0018]

As described above, according to the first aspect of the present invention, the outer body covering the entire spring unit is formed by the upper outer body covering the upper surface of the spring unit, the lower outer body covering the lower surface, and the outer peripheral side surface. It is composed of a gusset to be covered and can be vertically separated by a slide fastener at a substantially intermediate height position of the gusset, so that when the exterior body becomes dirty, it can be easily removed and washed.

According to a second aspect of the present invention, a non-slip member is wound around an edge frame provided at the upper and lower peripheral edges of the spring unit, and a protective material and an elastic body are provided on the upper and lower surfaces of the spring unit, respectively. Further, the exterior body that covers the entire spring unit is composed of an upper exterior body that covers the upper surface of the spring unit, a lower exterior body that covers the lower surface, and a gusset that covers the outer peripheral side surface, and has a substantially intermediate height of the gusset. Since it is configured to be able to be separated vertically by the slide fastener at the position, after opening the slide fastener fully and removing the exterior body, it is easy to remove the protective material and the elastic body that have overlapped on the upper and lower surfaces of the spring unit respectively. The spring unit can be separated and disassembled from the protective material and the elastic body by the work. Cycle is facilitated.

Further, the invention according to claim 3 is based on claim 1.
Or the invention according to claim 2, wherein elastic corner members are provided outside the four corners of the spring unit, the surfaces of the elastic corner members are covered with decorative cloth, and the decorative cloth is fastened to the edge frame. The elastic corner member is used when the outer body is removed and washed, or when the slide body is partially opened to adjust the hardness of the spring unit and the outer body is turned up. Can be prevented from falling off.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a mattress according to the present invention.

FIG. 2 is an exploded perspective view of FIG.

FIG. 3 is a sectional view taken along line AA of FIG. 1;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Mattress 2 Spring unit 3 Exterior body 3a Upper exterior body 3b Lower exterior body 5 Coil spring 6a, 6b Frame line (connection member) 7a, 7b Edge frame 9a, 9b Felt sheet (protective material) 10a, 10b Urethane foam sheet (elasticity) Body) 11 gusset 11a upper gusset 11b lower gusset 12 slide fastener 15 felt (anti-slip member) 17 elastic corner member 18 decorative cloth

Claims (3)

[Claims] 1. A mattress in which a large number of coil springs are connected by a connecting member to form a spring unit, and the entire spring unit is covered with an exterior body, wherein the exterior body covers an upper surface of the spring unit. A mattress comprising an upper exterior body to cover, a lower exterior body to cover a lower surface, and a gusset covering an outer peripheral side surface, and is configured to be vertically detachable by a slide fastener at a substantially intermediate height position of the gusset. 2. A plurality of coil springs are connected by a connecting member, and a spring unit is formed by providing an edge frame at upper and lower peripheral portions so as to surround the coil springs.
In a mattress configured by covering the entire spring unit with an exterior body, a non-slip member is wrapped around the edge frame, and a protective material and an elastic body are provided on the upper and lower surfaces of the spring unit, respectively. , Consisting of an upper exterior body covering the upper surface of the elastic body, a lower exterior body covering the lower surface, and a gusset covering the outer peripheral side surface,
A mattress characterized in that it can be separated vertically by a slide fastener at a substantially middle height position of the gusset. 3. An elastic corner member is provided outside the four corners of the spring unit, the surface of each elastic corner member is covered with a decorative cloth, and the decorative cloth is fixed to an edge frame. The mattress according to claim 1 or 2.