DE1529570A1 - Spring seat - Google Patents

Description

I> RA MENTZEL ' 506 REFRATH b. KoiN. the 9 AlZgUSt 1966

ΒΓΡΧ, .- ΙΝΟ. W. DAHLKE fhankeneohst I87 Wa./le.

PATENT LAWYERS TEtEEON.- BENSBEBÖ «4800

Hyland Case Flint, Orchard Lake, Michigan (USA)

resilient seat

The invention relates to a resilient seat and in particular a seat construction in which the backrest support moves with the bend of the seat part downwards.

In the construction and manufacture of. Sitting is common functional, a seat construction. to be based on that part of the seat structure that forms the backrest with the up and down movement of the seat cushion up, up and

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after-grooving, while the seat cushion is moved by. the seated Person being sucked out. Such a cooperating seat structure yields a number of. Advantages what the As far as comfort of the seated person is concerned.

The trend nowadays is to create seat constructions, which are relatively thin, both on the backrest part and on the seat part so as not to occupy an inordinate amount of space in the area in which the seat structure is used. Until now In the case of slim or thin constructions, the upholstery and the suspension had to be sacrificed in order to make the desired, slim ones Preserve outlines. Me relatively rigid seat and backrest frames are in. their size through the use of foam rubber or the like, has been reduced as a cushioning material, such Constructions, however, represent relatively uncomfortable seats, and backrests for the seated person. The part in which the invention is included, generally comprises a cooperating seat structure, in which the seat is supported by peder wire elements is. These peder wire elements extend from the front part of the seat structure from to the rear, and are bent upwards into a U-shape to form a resilient back; support frame, to create that can withstand the weight of the seated person Person can freeze out, and the desired level of. Resilience supplies, line number of coiled wire springs, or other Pedal elements are on. the U-shaped wire part and the associated Construction attached to form a seat cushion, the ■

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The overall construction is designed in such a way that the spring deflection of the seat cushion when a person is sitting on the seat of the Move! elin ent part bends out together with the seat, namely sot / olil in a vertical direction as well as in a backward direction for the relaxation and comfort of the To serve sitter.

The U-shaped spring wire element provides the basic spring support for the overall seat construction and is stored on the base frame, that it increases in its stiffness, while the seat- construction, down. ausMegt.

A seat construction, in this version, provides the necessary Degree of resilience of both the backrest and the also of the seat part and eliminates the need to be chunky and provide expensive upholstery and suspension. The seat is off a relatively small number of parts made that easily and are inexpensive to assemble. The backrest frame, instead to be provided in the usual rigid construction, is used to ensure that the desired degree of resilience to deliver what is necessary for the comfort of the sitter. The overall construction can be effortlessly varied of styles and is extremely slim and thin in its construction following a trend of the times.

ORIGINAL - 4 -

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The invention is described below, with reference to the Drawing based on an execution s "b ei game explained in more detail. In the drawing are:

Pig. 1 a view of a chair construction according to the invention, from the side partially in section with parts broken away to show the location of the various To illustrate individual parts

Fig. 2 is a front view of the in Pig. · 1 shown

Chair construction where "at -the upholstery and

are.

the cover removed * ■ & * to the location of the

to represent different items.

According to the drawing, the overall chair construction includes one Base frame 1o, which can comprise a / substantially flat plate 12, for example. This plate can be placed on the floor or supported by a number of suitable legs 14.

A front support part 16 is placed on the plate 12, which may be suitably attached thereto and which extend beyond the plate 12 in the transverse direction of the chair can. As will become clearer from the following, the front support part 16 can, however, be divided into two small sections be divided, which are arranged on the sides of the plate to support the rest of the structure. The front supporting comprises a lent in the v / es, flat base portion 18, which extends at an angle rearwardly of the plate 12.

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This Winlcel arrangement creates a run-up area, which extends upwards and backwards and takes on a task to be explained below.

At the front end of the base part 18, two spaced-apart eyes 20 are provided which, by rolling in a part of the support part 16 in a cylinder as shown in FIG the drawing are formed. Extending from the base section 18 to both. Sides of the plate 12 flanges 22 on the outer side edges of the front support part 16 upwards. The base section 18 ends in an arched section 24 which curves downwards and backwards from the base section 18 extends. On the sides of the arch section 24 are Spacer walls 26, which the front support part 16 from the plate keep at a distance while using outwardly bent flanges 28, the support part 16 can be connected to the plate 12.

A U-shaped spring wire part Jo is attached to the front support part. The part Jo includes leg parts 32 with inwardly bent ends 34> which are received in the eyes or cylinders 20 at the front end of the front support part 16. The leg parts 32 extend backwards and upwards through the action of the run-up part of the front support / part 16. Side flanges 22 on the file 16 hold the leg parts 32. The U-shaped wire part 3o is in the rear part of the seat construction 36 bent upwards and forms a seat back frame 38 »which extends upwards and over the

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extends rear part of the seat structure. The spring wire part 3o weiat a sufficient resilience to over the Leg parts 32 of the entire seat structure are resilient To give support, as will be carried out in the following in detail, while at the same time the seat back frame 38 is given a degree of resilience sufficient to increase with the weight of the seated occupant to bend the seat comfort.

Transversely to the seat structure at the bending point 36 in the spring wire part 3o extends a rear support part 4o. The rear Support member 4o includes forward facing flaps 42 on "both Ends that bear against the outer sides of the U-shaped wire part 3o get. A tab 44 is on the rear support portion 42 molded and around the leg parts 32 of the wire element 3o crimped to hold the rear support part 4o in place. A further fastening can thereby be achieved if necessary be that the flange 42 is welded or otherwise attached to the wire element 3o.

The flanges 42 are designed so that they form an angle piece between the backrest part 38 and the Schenkelt fell en *, Z of the wire element Jo . The triangular FQTm and the size of the planche 42 on both sides of the bending seat 36 provide the strength that is required to'ein. To prevent straight bending of the backrest frame 38 at the bending point 36 in the wire part 3o.

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The angle between the leg parts 52 and the backrest frame 38 should & a- remain constant in order to be borrowed. to ver. prevent the metal of the peder wire part 5o from fatigue and thus the seat structure is destroyed. '"

At different, spaced points along the rear Support parts are 4o. ' a number of. round formations. 46, 'which are inserted into the rear support part 4o by pressing in beads, or the like, molded into the material. These round Formings 46 are used to accommodate and attach. U-shaped Keder wire parts 48, 5o and 52. These spring wire parts are with \ ihi; en thighs in the. round formations 46 added and attached and extended, nested within of the backrest frame 5ο upwards, like. the most obvious.

j in prop. 2 of the drawing is shown. The wire spring parts 48, ' -ti ■. ■ '

5o and 52 provide a spring-elastic support within of the backrest frame 58 to ensure the desired Seating comfort. It goes without saying that the number of parts 48, 5ο and 52 and the corresponding arrangement of these parts within the seat back frame 58 can be changed to the desired elastic elasticity within the seat back construction to reach.

At further, spaced locations along the backrest support part 4o there are horizontal round formations 54,

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which are formed in the same way as the round formations 46 are. These round out formulas. 54 take the rear ones End up. coiled wire spring strips 56. Me spring straps 56 extend forward from the rear support part 4o, above of the plate 12 and the leg parts 32. A sufficient one A number of such spring straps are placed over the seat construction, about the desired suspension and comfort to obtain. At the front end of the sita construction are the Spring bands 56 bent downwards and backwards at 5 <3 and then downwards and anteriorly at 6o, in a V-shaped front ü Support part and a soft front hand for the seat cushion to form «The spring strips 56 are then bent forward at 62 'and fastened to the plate 12 in a suitable manner, ζ. Β. by brackets 64 · The spring strips 56 extend something beyond the plate 12, for reasons which will be dealt with in the following. At the Connection point between the first bending point in the spring straps 56 is a terminating wire 66 on the respective coiled spring band 56 by means of suitable clips or the like 58 attached, which extends over the front part of the structure. At the front ends of the spring strips 56, a second terminating wire 7o is attached to each of the spring strips by means of suitable means Brackets or the like 72 attached. '-.-' ■. ·.

Any suitable one can be used for the backrest 38 and the seat cushion Padding may be provided. Xn the Darsüel lung. Find for example swei.se iieliaiimgumiuiteile 7Ί "and 76 are shown, which" line the!

ο _

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Support frame, 3 β- and the inner U-shaped. 3 wire.teleinen.te 48, 5o and 52 as well as the winding Ifspring elements 56 on the seat part of the construction, cover. The foam part JS is on the front one. The end of the chair is deformed downwards and covers the terminating wire 58. It leads to the termination wire? O to form the padded front end of the seat structure. A. suitable cover material for the seat of the chair, ζ. B. a fabric 78 or the like, may be attached to the lower front end of the plate 12, and over the foam rubber parts 76 to a suitable one. ! Attachment to the rear. Extend the end of the seat part. Correspondingly covers. Covering material 8o from the foam rubber part 74, which extends over the upper end of the back! extending frame 38 and on the lower, rear. End of the plate 12 is attached. ■

From the rear end of the plate 12 also extends a Plastic part 82 that is between the plate 12 and the rear support part 4o extends. The plastic part 82 is used as a conclusion for the cover material 8o, so that with a bending out the seat construction is the lower rear end of the cover 8o in his tense. Situation remains and is not in. Wrinkles or hangs. This plastic material 82 has sufficient elasticity to allow flexing and to maintain the desired shape at the same time.

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BAD ORiQlNAL '- ■ »*» -

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The puncture of the seat structure depends on the resilience of the spring wire part 3o. While sitting in the The seat part of the chair construction causes the twisting to bend Spring up due to the weight of the seated person the seat an extension of the backrest frame 38 perpendicular downwards, against the force of the leg parts 32. At the same time takes place with a backrest against the backrest of the seat construction a bending of this backrest backwards under the corresponding deflection, to a maximum of To provide seating comfort. The scalloped part of the Leg parts 32 and the backrest frame 38 are shown in dash-dotted lines at 32 'and 38', due to the The support points migrate to the arch part 24 of the front support plate 16 of the leg parts 32 with the curvature of these Scheriel parts 32 to the rear and increase the rigidity of the leg parts with the amount of deflection. Such an increase in rigidity prevents the entire structure from touching down on the plate 12 at the rear end, which would cancel out the suspension distortion of the seat structure.

A construction is thus created that is in its manufacture and assembly is extremely simple, has a small number of parts, and easily adapts to a variety of types of chairs adjust, lets. The slim or thin outlines of the basic structure, and avoid the resilience of the seat, the usual over-padded or clunky look of upholstery

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furniture of this type. A single U-shaped wire element provides ■ essentially.-for the otuhlabstützung and at the same time forms the frame backrest to provide the interacting function that is normally sought, the part ■ being used as a spring support on the same side.

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Claims (1)

^'12 - Claims 1 \ Spring-loaded seat construction, with a seat and a backrest, marked by a Base frame with an upward and rearward facing Overrun device, a U-shaped spring wire part, the legs of which are attached at their ends to the base frame and from there over the overrun device to the rear extend with the legs to form a backrest frame in connection with the transverse part of the U-shaped part are bent upwards, a rear support part that is between, the legs, of the U-shaped part extends and is connected to this in the area of the bending point upwards, and spring band parts, which are located between the rear support part and the base frame and a seat cushion support form, the TJ-shaped spring wire part 'a resilient support for the. Forms the seat part and the backrest part of the seat structure. 2. leather seat construction according to claim 1, characterized characterized in that spring wire parts on the rear support part are attached, which are located in the backrest nframe .. extend into it and by means of which the backrest part is resiliently deflectable, and that a number of coiled . ''. ·· ■■ ': .V-BAD - 13 - '■■ - ■■ 109887/0003 Wire spring wrench at one end of the rear support member and on the other. Are attached to the end of the G-Rundrahinens » 3 · Spring seat construction, according to requirements! and 2, thereby g e k e η η ζ e i c h η e t that the Base frame a rear-facing Bogeri section includes, to which the legs of the U-shaped spring wire element get to the system. -. ".". 4. Resilient seat construction according to claim 1 to 3> characterized in that the backrest frame and the spring straps are covered by padding .. "■. ■ 5. Spring seat construction. according to claim 1 to A, characterized in that a front support part is attached to the base frame, to which the upwardly and rearwardly directed overrun device and the rearwardly directed arched section belong, the U-shaped spring wire part with its leg ends on this front Support part is attached. 6. Resilient seat construction according to claim 1 to 5, characterized in that the spring hand to form V-shaped support parts on their - 14. - original 109887/0003 -u- front ends are bent and attached to the base frame in front of the front support 7 · Spring-loaded seat construction according to claims 1 to 6 _P, characterized in that the rear support part extending between the legs * of the Uf öriaigen part is connected to it above the bend upwards. 8. Resilient seat construction according to claim 1 bie 7, characterized in that a number von ü-föriaigon share spring wire with their leg ends are attached to the rear support part and follow from this within the backrest frame dried up on top 9. Pedender seat construction according to claim 1 bia 8, d a ~ characterized in that it extends between the legs of the misshapen part " rear support part with this above and below the Bend is connected upwards. 1o * spring-loaded seat construction according to claims t to 9t, characterized in that according to Above and rear-facing Auflauf®inriohtung on the basic frame -15-1 8 ORIGINAL back in a downward arched section ends. 11. Resilient seat construction according to claim 1 to 1o, characterized in that the front - The support part on the base frame Bich extends transversely to this. 12. Resilient seat construction according to claim 1 "to 11, characterized in that a cover is attached to the base frame for the Poleterung and that a flexible intermediate piece is attached to the base frame and to the rear support part, the 3ich between these two ropes extends transversely to the seat structure within the cover and by means of which the rear part the cover when the spring wire part is bent out and the backrest frame around the arched section of the front support part can be prevented from wrinkling * 13 * resilient seat construction according to claim 1 to 12, characterized in that the their rear ends on the rear part of the shaft and themselves to the front above the front support part extending coiled spring straps first downwards and backwards and then bent downwards and forwards to the base frame and attached to it, with the points extending from the base * iAD ORIGINAL 109887/0003 - 1ο - frame transversely extending forwardly extending Foderbänder in ninvin Abtitand from this end, a first AbachlußdrtOii to the seat structure and connected to the FederbändMern at the eraten bending point and a second termination wire is calibrated extends transversely to dor Sitzkoüstruktion and attached to the ends of the spring bands. 14. Resilient seat construction according to claim 1 In ε 12 »characterized in that eh? first folater on the anterior side of the back} phnencrhmon and a second cushion on the coiled shuttlecocks! it is intended that the anterior indices of these bands covers between the first and second terminating wire, a red cover is attached to the base frame, which goes up and then back to the cover of the second pad extends, and a remote .cover is attached to the base frame, dia siel ', ven this out extends upwards around the backrest frame and covers the first pad. BATH C ^ G - * L 10 9 e? 7. ' ο η cn