US1871440A - Means to secure coiled springs to a support - Google Patents

Description

Aug.l6,1932. 5 L87L440 MEANS TO SECURE COILED SPRINGS TO A SUPPORT Filed June 15, 1931 Patented Aug. 16,1932 1 UNITED STATES: PATENT 1 OFFIE-; I ean s. Blmnenn, amssllanha'ors, nssrenon ro THE Rontn coMrANY, it;

- I A coRronA'rIon or nnw .YonK w MEANS 'ro sncunn COILED spmaasaq surronu;

l o Ipplication filed June 15,

In spring cushions of the coiled bed spring type, for example, it is customary to support the springs from below on cross bars of a spring frame. Usually, in all metal struc- 5 tures, the springs are secured to the bars by screwing them into interlocking engagement with heavy wires extending transversely of the bars in about the plane of the tops thereof and looped under the same. It is evident that the springs, fastened in this way, are not securely held. Furthermore, there are a great many springs in a' bed spring, and the labor involved in properly mounting them is, therefore, considerable.

The object of the present invention is to produce a simple and novel fastening be tween a spring and a bar that will eliminate the screwing of the same into position, greatly reduce the amount of labor involved inv mounting the springs, and insure that the springs will be positively locked to their supporting bars.

In carrying out my invention I employ a simple fastening device which is slipped on being then deformed to press the end of the spring against the bar and hold it there. In the actual manufacture of spring cushions the deformation of all of the fastening devices may be performed at one time by suit whereupon it is but the work of a moment to secure all of the fastenings.

The various features of novelty whereby my invention is characterized will hereinafter be pointed out with particularity in the claim; but, for a full understanding of my invention and of its objects and advantages, reference may be had to the following detailed description taken in connection with the accompanying drawing, wherein:

Figure 1 is a more or less diagrammatic plan view of a metal bed spring to which my invention is applied, only a portion of the springs being shown; Fig. 2 is an elevation the supporting bar and then into the end of the spring, the portion that enters the spring offone of the vertical coiled springs, the supporting bar therefor being 'in'se'ction, and

the fastening between'thespring and bar being shown in elevation; Fig. 3 is a section,"o'n a larger scale,'on line 3-3 of Fig. 2; Fig. 431s; aside view of that portion of the supporting bar underlying the spring'in Figs. 2 and-3; F 1g. 5 is a fragment "of one. of the wires have ing 'the-fastenings, on a larger scale than Fig. .2 and on a smaller scale than Fig: 8, and

priorfto deforming the fastening; and Fig.

6 is a topplan view of the fastening as it appears in Fig. 5.

In the. drawing I have unsalted W11 known type of bed spring in which there are many vertical coiled springs 1 arranged. 1n. tranverseand longitudinal rows, the. springs of each: transverse row resting on" cross bars .2 of which there are as many as there aresprings ineach l'ongitu'dinal'rowi" These barsxare usually fiat strips ofrec'tan gular section set on edge, although they mayx take any desired shape.

slipped upon the. bars from .belowand into the-lowerendsof the springs, after which" they are deformed to lockth'e springs in place. 1 Considering only a singlefastening, it may i, 1

conveniently be made of a piece of heavy wire bentiinto theshape .ofa U Whose arms; I

are-spaced apart a distance about equal to'the.

internal diameter .ofthe lowermost coil of:

one of the coiled springs; the yoke portion of. the U being fashioned into a depending,

long, narrowU the spacing between the arms; ofwhich is about 'e'qual toihethickness of one of the bars sozas to permit 3/1331: to be; received bet eenthearmsafterthis evice is slipped up on and into an overlying;

spring, the free ends of the arms ;are;bent; out over one ofthe lower{ coils, drawing the,

end. of th spring. and the bartogether Prefere ytth sten n e ma The bed spring, completed excepttofast'en i i 1 I jacent spring, the arms of each wide U being composed of two sections of wire lying side by side in a plane parallel with the length of the corresponding bar, and the ends of the arms of each wide U being bent outwardly over a coil of the spring within whichit lies to, hold the, spring against the .underlyi Vb rtion. a v DEAN S. BARNARD.

the springs to the under frame islaid upp;

side down, the under frame is' set on the springs, and the wires l' are laidacross the bars. The bars areembraced by the element 8, and thedoublearms 5 and 6 extend up into the springs, engaging withithe inner sides of-thelower coils and thus centering the springs@ The bars are preferably notched onthe under side, as indicated at 9, to form seats for theelements 8 of the fasteningsa Theiree ends of the arms 5 and 6 are then bent outwardly between'the coils of the springs, pressing those coils lying between'them and the bars firmly against the bars, as shown in Figs. 2 and? After the fastening of the springs has been completed, thesprings are positively heldiagainst movement relatively togthebars; both the fastening devices and the springs being interlocked with the bars against movement alongzthe latter; the fastenings being interlockedwith the bars against transverse movement rela} tively thereto; the fastenings serving as centering posts for the springs to prevent movements of the springs transversely of the bars; and the fastenings, springs and bars being united and interlocked against relative ver-.

tical movements. a v I y Itwill' thus be seen that my improved fastenings are not only simple but extremelyef ficient,so that'I amfable to obtain abetter spring structureat a lower'costf than has been'possible under the oldj practices.

While -'I'- have illustrated and described with particularity only a single preferred form'of my invention, I do notdesire to be limited to' theexact structural details thus illustrated and described; but intend to cover all forms and arrangements which come within the. definitions of my invention constituting theappendedclaim, r

I claim:-

In aspring cushion, a series ot parallel. bars, vertical coiled springs arranged in a I row one upon each bar, a heavy'wire extendtransversely to the barsun'derneath the" V V sprlngs, Srlld wire having at eachbar a bend.

in the formf'of aU provided with acentral testimony whereofl I signthis specificav depending narrower U -,'eachnarrower U enibracing the corresponding'bar from the side opposite-that on which the spring each wider U fitting'into the "en of the adis located,"

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