DE1234951B - Edge reinforcement for a spring core frame - Google Patents

Description

FEDERAL REPUBLIC OF GERMANY

GERMAN

PATENT OFFICE

EDITORIAL

Int. CL:

A47c

German class: 34 g -19/02

Number: 1234 951

File number: K52087X / 34g

Filing date: February 13, 1964

Opened on: February 23, 1967

The invention relates to an edge reinforcement for a top and bottom border wires having Spring core frame with an interwoven at its ends and at its upper and lower arches wire loop wrapped in feathers together with the edging wires.

The task of such edge reinforcements is, on the one hand, the spring constant in the edge area to raise the mattress so that the edge area is not compressed more than the full one Part of the mattress, and on the other hand, the two edge frames of the mattress in their working movement to lead towards and away from one another within certain limits. The edge reinforcement must be as flat as possible, i.e. the individual parts of the edge reinforcement must be practically flat and maintain their level training even during work movements.

There are known support elements for such edge reinforcements, which consist of a closed wire loop exist in which the long sides on the opposite border wires or edge frames are attached and the sections connecting the opposite long sides their vertices are biased towards one another by a tension spring. The wire is on The apex is wound into a helical loop into which the associated end of a Tension spring is attached. With high spring cores, a relatively strong one must be used for the closed wire loops Wire can be used so that when the mattress is compressed the lateral movement of the Connection sections is very strong, which leads to a rapid wear of the cover material. In addition, there is a risk that parts of the cover material or the lacing will be pressed together wedging between the turns of the tension spring and thus a complete contraction prevent the tension spring.

In another known embodiment, the edge reinforcement consists of one between the spring wire running back and forth between the two edging wires, with corresponding straight sections is attached to opposite staggered points of the border wires and bent with an S-shape Connecting sections from the end of the fastening section to a border wire the beginning of the fastening section on the opposite edging wire. To a To prevent lateral rotation of the S-shaped connecting sections are in each case against each other directed curvatures side by side lie-edge reinforcement for a spring core frame

Applicant:

John C. Kline,

Merrick, Long Island, N.Y. (V. St. A.)

Representative:

Dr. Dr. J. Reitstötter and Dr.-Ing. W. Bunte,
Patent Attorneys, Munich 15, Haydnstr. 5

Named as inventor:

John C. Kline,

Merrick, Long Island, N.Y. (V. St. A.)

gender connecting sections tension springs are attached. In this known embodiment, although the Lateral movement when compressing the mattress is significantly reduced, but there are tension springs with the defects mentioned is required. In particular, the tension springs act in this known embodiment not against the load on the mattress, but in the direction of the load, so that very heavy wires are required to achieve the necessary high spring rate. In addition, there is with very strong compression, in which the S-shaped connecting sections extend so far Bend to the side so that the tension springs are completely relieved, the risk that the springs shift or completely hang out. Appropriate securing against displacement or unhooking is required significant cost.

In addition, the edge reinforcement must have its own supply of pre-bent for each desired spring force Support elements are kept ready, as by the production of a zigzag shape bent wire the distance between the elements determining the spring force is fixed.

It is the object of the invention to provide such an edge reinforcement for the spring core frame to create, in which the lateral movement is relatively small, but very easy in the Construction and therefore cheap.

According to the invention, this is achieved in that the wire loop has two superimposed,

709 510/130

Claims (1)

3 4 approximately elliptical end that merges into one another and that goes through with the edging wire 18 cuts with approximately X-shaped twisted sections the spring 19 is attached. having. When a person rests on the pen or one The edge reinforcement thus consists of one too exerting pressure on the adjacent edge, the an endless eight curved and interwoven 5 edge reinforcement 1 compressed so that Wire, with sections 10 and 11 and sections 12 the two loops of the eight separate from one another and 13 separate from one another and form another eight support. the one that disappears as soon as the tension This arrangement makes it very easy to open. built individual support elements for the edge ver- io The in F i g. 3 illustrated embodiment differs Strengthening the innerspring frame created, in which of the in F i g. 2, mainly the lateral movement is relatively small and is also borne by the fact that the ends of the wire are so twisted without the use of additional tension springs are one of the fact that they the two interlacing 20 and have sufficient stability so that they form at 21. Do not move the working movement out of its plane. 4 illustrated embodiment differs gen, i.e. do not bend to the side or twist from the in Fig. 3 shown mainly because can. By using individual leads instead of a wire in this embodiment It is possible to provide support elements according to which two S-shaped parts 22 and 23 are provided, if desired Spring constant is the distance between the eggs at the top ends with one another in the interlacing to select and thereby with a unit- 20 lines 24 and 25 and the lower ends in the lent Support element mattresses with a wide braid 26 and 27 are connected. The there area different softness. Intermediate section 28 is the sections The manufacturing costs are further reduced by 10, 11, 12, 13 to those shown in FIG. 2 and 3 shown, management similar. For the advantageous simplification of manufacture 25, the embodiment shown in FIG. 6 is the elliptical sections of the edge reinforcement - a side view and shows another possible- kung of two S-shaped parts with in the upper ability to connect the ends 29 and 30 by the and lower arches of the parts arranged interlacing- touching wire ends are welded, be formed. as the welds 31 and 32 show. Several embodiments are shown in the drawing. 2, 3 and 4 shown execution games. It shows effectively prevent a lateral shape Fig. 1 is a partial oblique view of a mattress bulging of the intermediate part due to the spring core with edge reinforcement, braiding in the middle of sections 10 and 11 of the F i g. FIG. 2 shows a plan view of a support element of the exemplary embodiment from FIG. 2, where Edge reinforcement, which in the mattress according to 35 because of the interlacing forces opposing F i g. 1 is installed, can be exercised on the edge reinforcement, which is included in the F i g. 3 shows a plan view of a modified form of the embodiment of FIG. 3 thereby supported of the support element, that the entanglements 20 and 21 on the F i g. 4 is a view similar to FIG. 3 exert opposing forces on a white edge reinforcement, which in turn Another modification, 40 in the embodiment of FIG. 4 supported F i g. Figure 5 is sectional views taken along line 5-5 in Figure 1, showing the interweaving 24 and 25 at the top F i g. 3 when using wires of different ends of the edge reinforcement and the interweaving Cross-sectional shapes, 26 and 27 at the lower end of the edge reinforcement in F i g. 6 a further form of connection of the wire-like way counterforces in the lateral direction ends of the wire loop. 45 prevent under pressure. In the in F i g. 1 and 2 illustrated embodiment It has been found that, although the sections form, the edge reinforcement 1 consists of a single 10 and 11 of the wire in the embodiment of individual wire with one of the in Fig. 5 shown cross-Figs. 2 and 3 have an interlacing that the sections. The wire has the shape of a figure eight and the section 28 of Fig. 4 is opposite, which has an elliptical section 2 at the top and 5 ° counterforces are nevertheless generated at the bottom,
an elliptical section 3, with one end instead of a round wire, a wire of the wire at 4 near the other wire with an elliptical, rectangular or rhombic end and the other end of the wire at 5 in the cross-section can be used, provided the wire is knotted near one end of the wire. The longer cross-sectional section 3 over its entire length has two outwardly extending arcs 6 and 55 axis at right angles to the side of the edge reinforcement and 7, while the section 2 has two similar arcs 8 and 9, the cross-sectional shape of the wire having. That supports the interweaving and a bulging between the located sections 10 and 11 are prevented by the edge reinforcement,
twist each other and form an X, as if from the F i g. 2 emerges, so that the sheet 7 of the Ab- So claims:
Cut 3 adjacent pieces over section 11 runs, which rests against the sheet 9, during the 1st edge reinforcement for a top and bottom Section 12 of the upper arch 8 over the section of the spring core frame with edging wires 13, which is adjacent to the lower arch 6. men with an intertwined at their ends and The upper parts of the wire form a tapering 65 at their upper and lower arcs together End 14, which is attached to the upper border wire 15 with the border wires of springs. is fastened by a spring 16, while the part is looped wire loop, thereby g e - 17 on the lower border wire 18 a running out indicates that the wire loop two