DE2419705A1 - SITTING AND / OR Lounging furniture - Google Patents

Description

Christian H. Turcksin, 4930 Detmold-Lippe, Bachstr. 69a

"Seating and / or reclining furniture"

The invention relates to seating and / or reclining furniture with a spring base and an upholstered body foamed onto it, which together form a seat part, reclining part or back part unit form.

In such seat or lounger parts, which have become known in various designs, the spring base is from a support frame and formed metal springs held thereon and the foam as a cushioned body is foamed on and surrounding this spring base the spring base is often only partially.

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ORIGINAL INSPECTED

The foam has a connection with the spring base at relatively few places, in particular in the center of gravity load areas with the metal springs, so that the foam is subject to great stress in the spring area is subject to and is easily and quickly damaged by the hard springs.

When used as a car seat, the hard metal springs in the upholstery pose a great risk of injury.

The object of the invention is to provide seating and / or reclining furniture to be improved according to the type mentioned at the beginning and with a seat part, reclining part or To equip back part unit, which is simple in construction, can be produced cost-effectively and has a long service life Has.

In a further object of the invention, the suspension base is to have favorable suspension properties and in the foam padding body be secured in position and avoid damage to the foam upholstery and the risk of injury.

Furthermore, there should be many and large connection points between the spring base and the foam, but they are not should have a detrimental effect on the spring action of the spring base and the foam Enable uniform foaming and avoid hard points.

Another object of the invention is to create a simple, quick and safe dismantling and thus space-saving seen dispatchable seating and / or reclining furniture; the seat part, reclining part or back part unit with simple and be equipped with fastening and connecting means, which are not visible outside, for other parts of the seating and / or reclining furniture.

In a further object of the invention, the upholstery of the seating and / or reclining furniture is intended to be inherent in the case of loading and unloading low-noise, movable and breathable, air-permeable) be.

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According to the invention, there is seating and / or reclining furniture according to the type mentioned at the beginning, the spring base consists of a support frame with a spring grid or net made of elastic, fixed in position against each other and arranged thereon under pretensioning. Formed thread-like or strip-shaped bands and this spring base is on all sides or the support frame and the suspension network. -grid embedding plastic foam, preferably open-pored cold foam, coated (foamed); the suspension grid or net of the spring base can be formed from a woven or knitted fabric.

The suspension grid or net of the spring base can be made of interconnected, preferably vulcanized, at the point of intersection elastic threads as warp and weft threads and have cold foam flow openings between the threads.

On the support frame of the spring base, fastening receptacles for fastening means of feet, armrests, a Backrest or the like. arrange that in the cold foam upholstery body are embedded and allow a dismountable furniture training.

Advantageous further developments result from the other original claims.

The scope of protection of the subject matter of the invention extends not only to the features of the individual claims, but also to their combination.

The seating and / or reclining furniture according to the invention is simple and Constructed in a cost-saving manner, shows good suspension properties at least in the area of its seat and / or lying surface and is Equipped with a permanently durable seat part or lounger part and, if necessary, a backrest.

The spring support formed from the support frame and a coarse-meshed (wide-meshed) suspension grille or net is positional

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safe and invisible from the outside in an open-pored cold foam as an upholstery part; that from individual threads or ribbons formed suspension fabrics or knitted fabrics of the base spring is a great connection strength with the cold foam a, is thereby held securely in the cold foam in terms of position and avoids on the one hand by the many connection points and on the other hand by the construction of elastic threads or Strip any damage to the plastic foam, leaving both Parts (grid and cold foam) a long-lasting, despite the many mutual movements when loading and unloading resistant Show unity - the wide-meshed suspension grille allows a good flow of the cold foam, thus making it safe Connection through all-round thread covering and avoids Foam accumulations and thus different hardness points or dead center points.

By using an elastic suspension grille as a single or double suspension, even foaming is achieved Avoidance of congestion possible, since the grid openings leave a free passage for the cold foam and are irregular Avoid foam spots.

The open-pored foam and the coarse-meshed suspension grille also advantageously ensure a good Air permeability, which on the one hand makes the upholstery unit breathable and on the other hand it is self-contained when it is loaded and unloaded is deformable with little noise.

When using such a cushion unit as a car seat or the like. will continue to be injured in the event of accidents or similar injuries to the seated person Person avoided because the elastic grid, not the metallic steel springs as before, harms the seated person can feed on the body.

The elastic threads or the like of the spring base result with the Cold foam is a good suspension that can be determined in terms of size and is permanently durable.

The carrier frame introduced into the cold foam is still equipped in an advantageous manner with mounting receptacles on

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which other furniture parts, such as armrests, pusses, side parts, backrests or the like. be releasably attached or with which the upholstery unit can be fixed in a furniture frame - through this The entire piece of furniture can be easily dismantled and can thus be transported in a space-saving manner and store.

Furthermore, the connection points are attached to the upholstery unit in such a way that they are invisible from the outside.

Through this type of single-part connection, the individual Furniture parts can be equipped with a cover layer (cover) independently of one another and then easily assembled.

One such, from the spring base (support frame and suspension grille ) as well as the suspension unit formed by the cold foam body, which accommodates this spring base in a closed manner, is shown in the shape and size can be produced in any way and for the most diverse Seating and / or reclining furniture can be used.

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In the drawing is an embodiment of the invention shown. Show it :

Fig. 1 is a perspective view of a chair,

Fig. 2 is a perspective view in part

Section of a seat and / or backrest part of the chair with a spring base surrounding foam body,

Fig. 3 is a vertical cross section through the Sitzbzw. Backrest part with a support frame and a wire mesh arranged on it and foamed around it Cushioned body formed suspension unit,

4 shows a plan view of a partial area of the elastic, which are fixed in relation to one another in terms of position Threads formed by the suspension lattice,

5 shows a front view of a protective thread made of an elastic core and wrapping around it in opposite directions formed warp or weft thread,

Fig. 6 is a side view in partial section of a

Part of the support frame with attachment mountings for feet and armrests provided thereon or the like.

Seating and / or reclining furniture according to the invention, such as armchairs, Couch, couch, vehicle seat (car seat) or the like., Has a seat

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and / or lying part Io or a backrest 11, which or the is composed of a spring base 12 and a cushion body 13 foamed onto it.

The spring base 12 is made up of a support frame 14 with a spring grid or net 15 arranged thereon under tension (prestress) and made of elastic, thread-like or strip-like bands 16 formed; the spring base 12 is supported on all sides by a plastic foam that embeds the support frame 14 and the suspension net or grid 15 , preferably open-pore cold foam, as a cushioned body 13 encased so that the spring base 12 is completely in the cold foam body 13 is embedded and held by this cold foam body 13.

In a preferred manner, the suspension lattice or net 15 is formed from a woven or knitted fabric, which is more preferred Way in the crossing points interconnected, preferably vulcanized, elastic threads 16 as warp and weft threads.

The all-round extensible suspension grid 15 shows between the threads 16 in the basic shape square or rectangular openings 17, i.e., the warp and weft threads 16 are spaced arranged to each other and held at this distance by the thread connection (vulcanization) on the intersection point, see above that the cold foam 13 flows through the openings 17 and thus the threads 16 can also embed on all sides.

The thread spacing and thus the width and length of the cold foam flow openings 17 is, for example, about 3 to 10 mm, preferably about 5 mm in size. The suspension grille 15 can be opened its entire seat or lounger part or backrest part extension equip them with threads 16 of the same size at a distance, so that an even Grid or net 15 is formed and the cold foam 13 has penetrated uniformly through the openings 17 everywhere.

It can be advantageous to also place the grid 15 on the base extension to equip with different sized thread spacings,

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for example, to be carried out in the largest load area with threads 16 lying closer to one another.

The elastically stretchable warp and weft threads 16 are made of at least an elastically stretchable core thread l6a and at least two, wound in opposite directions around this core thread l6a (covered ) inextensible protective threads 16b, 16c formed; at this time, the core thread 16a is in a multiple by stretching its original length formed bias of the protective threads 16b, 16c with tightly adjacent turns to form a closed cover tightly wrapped and from these protective threads 16b, l6c in a slightly smaller length (tension) than the length of the pad wrapping (pretension) held, the difference between that when wrapping existing length (output voltage) and the decreased, the length (tension) fixed by the protective threads l6b, l6c forms the suspension area (path).

The core thread 16a can be of the same thickness, preferably of different thicknesses thick (strong) protective threads 16b, l6c, the inner thread immediately surrounding the core thread l6a Protective thread l6b is thinner than the outer protective thread 16c covering this inner thread l6b.

The suspension grille 15, which is expandable on all sides, can be adjusted in the center of gravity area - in the largest load and thus stress area - perform more intensely, for example through the Equipping the threads 16 lying in this area with two or more core threads 16a, which in turn are separated from the opposing threads Protective threads 16b, 16c are wrapped around, is feasible.

In a further embodiment, not shown, leave it Provide several elastic fabric strips as elastic bands 16, which are also as a grid or mesh 15 with between them The cold foam flow openings 17 left free are attached to the support frame 12 under prestress. These elastic strips (Tapes, belts) 16 can also use the aforementioned threads (ceramic

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thread 16a, protective threads l6b, c) made into a fabric strip be or another elastic fabric strip, plastic strip or the like. Be formed.

The support frame 14 is of a closed in plan view, square or rectangular tubular frame made of metal or the like. formed around which the grid 15 pulled around like a hose to form a double suspension (Fig.2 and 3) under the Form tension is held or on which the grid 15 is attached to the transverse and longitudinal sides of the frame 14 and itself at least as one layer (suspension) on one side of the frame or as a double layer (double suspension) both sides of the frame (spaced one above the other).

On the frame 14 are several mounting receptacles 18 for Fastening means 19 of feet 2o, armrests 21, the backrest or the like. intended ; these fastening receptacles 18 are for example of internally threaded sleeves attached to the frame 14 formed, which are at least in the frame corner areas in the frame level or at right angles to the frame level Places where an attachment is to be made, and that too with embedded in the cold foam body 13 invisible from the outside are. The feet can be attached to them as fasteners 19 and the armrests as well as the backrest by means of screws 19 engaging in the fastening receptacles 18 as fastening means 19 releasably on the frame 14 set.

During the fastening, the fastening means 19 penetrate the foam 13 from the outside, push it away to the side and press it also out of the fastening receptacles 18 when screwing in,

The cold foam 13 is an open-pored plastic foam that is permeable to air and is therefore breathable.

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Claims (1)

Claims Seating and / or reclining furniture with a spring base and an upholstered body foamed onto it, which together Form a seat part, reclining part or back part unit, characterized in that the spring base consists of a Support frame with suspension grids or meshes arranged on it under pretension and made of mutually fixed formed elastic, thread-like or strip-like bands and this spring base is supported on all sides by a plastic foam that embeds the support frame and the suspension net or grille, preferably cold foam, coated (foamed) is. 2. seating and / or reclining furniture according to claim 1, characterized in that that the suspension grid or net (15) of the spring base (12) is formed by a woven or knitted fabric is. Seating and / or reclining furniture according to claim 1 and 2, characterized in that in the frame plane on one side of the support frame (I ¹ O a suspension grille or net (15) forming a simple suspension on at least two opposite frame sides, preferably the frame Long sides and the frame transverse sides is attached on all sides. 4. seating and / or reclining furniture according to claim 1 and 2, characterized in that the suspension grid or net (15) with the formation of a double suspension hose-shaped is formed around the support frame (14) and held under pretension. 5. Seating and / or reclining furniture according to claims 1 to 4, h 0 9 8 k 9 characterized in that the suspension grid or net (15) of the spring base (12) at the point of intersection with each other connected, preferably vulcanized elastic threads (16) is formed as warp and weft threads. Seating and / or reclining furniture according to claims 1 to 5, characterized in that the all-round extensible suspension grid or net (15) of the spring base (12) between the threads (16) cold foam flow openings (17) having a width and length of about 3 to 10 mm, preferably about 5 mm. 7. seating and / or reclining furniture according to claims 1 to 6, characterized in that the suspension grille of a elastic fabric web with elastically stretchable warp and / or weft threads (16) is formed, which consists of an elastic stretchable core thread (l6a) and at least two, in opposite directions around this core thread (16a) wound (covered), inextensible protective threads (16b, 16c) are formed, the Core thread (16a) in a pretension formed by the protective threads by stretching by a multiple of its original length (l6b, l6c) with tightly spaced turns wrapped tightly to form a closed cover and slightly wrapped in one of these protective threads (16b, 16c) smaller length (tension) than the existing length (pretension) when the thread is wrapped, so that the Difference between the existing length (output voltage) during the wrapping and the reduced length caused by the Protective threads (16b, 16c) of the fixed length (tension) forms the suspension area (travel). 8. seating and / or reclining furniture according to claims 1 to 7, characterized in that the suspension grille (15) in the Priority area - in the largest exposure area - - 12 40984M / 0274 is made stronger and the threads (16) lying in this area are two or more elastic, of the opposing protective threads (l6b, c) have wrapped core threads (16a). 9. seating and / or reclining furniture according to claims 1 to 8, characterized in that the support frame of an im Circumference closed tubular frame made of metal or the like., Formed is. Io. Sitting and / or reclining furniture according to claims 1 to 9, characterized in that, on the support frame (I ¹ I) of the supporting spring (12) fastening receivers (18) for fastening means (19) of Püssen (2o), armrests (21) a backrest or the like. is arranged, which are embedded in the cold foam cushion body (13). 11. Seating and / or reclining furniture according to claims 1 to Io, characterized in that the fastening receptacles (18) of sleeve parts fastened to the frame (14) are formed with internal threads with their screw-in longitudinal direction stand in the frame level and across the frame level. 12. Seating and / or reclining furniture according to claims 1 to 11, characterized in that the fastening receptacles (18) are arranged at least in the corner areas of two opposing frame spars. 13. seating and / or reclining furniture according to claims 1 to 12, characterized in that the cold foam (13) of one open-cell plastic foam is formed.