US1862905A - Bedspring - Google Patents

Description

June 14, 19.32. Icg., PQWERS E11-Al, y1,862,905

BEDSPRING' Filed Sept. 12. 1929 LPatented -June 14, -1932 4 UNITED STATES laerala'r oF-Plca GEORGE G. POWERS, OF 'VINNETKL AN'D LAWRENCE J'. BIEGER, OF CICERO, ILLINOIS, I ASSIGNORS TO UNION BED AND SPRING COMPANY, OF CHICAGO, ILLINOIS, A. COE- PORATION F ILLTNOIS Application led September 12, 1929. Serial No. 392,028.

Our invention pertains to spring structures,such as bed-springs, furniture-springs, seat and back cushions, etc., but its preferred embodiment and perhaps its most valuable use is in connection with bed-springs, although the principles of construction employed may be advantageouslyavailed of in other structures.

In general, the invention concerns more particularly the employment of a supplemental, inner, border wire used in conjunction or association with the customary marginal wire extending around the upper edge of the bed-spring2 and it relates also to the use of short, helical springs operatin in conjunction with the upright, spiral-springs to yieldingly maintain the latter in correct vertical relation with capacity for suitable yielding action, whereby to supply the spring structure with those desirable cushioning qualities sought after with unlilxlihood of any of the spring parts becoming displaced so that they could not proper?7 perform their intended functions to best a vantage.

To enable those acquainted with this art to fully understand the invention from structural and functional or operating standpoints, in the accompanying drawing, forming a part of this specification, a present, preferred or desirable embodiment of the invention has been illustrated in detail, and,

for the sake of simplicity, like parts, throughout the several views, have been designated by the same reference numerals.

In this drawing:

Figure 1 is a fragment-ary plan view of a corner portion only of the bed-spring;

Figure 2 is a vertical section on line 2-2 of Figure 1; and

Figure 3 is a similar vertical section on line 3 3 of Figure 1. d

Referring to this drawing, it will be observed that the bed-spring comprises a rectangular, marginal, frame angle-bar 10, supporting a plurality of spaced, parallel straps 1l on which, in any approved manner, as by tie-wires 12, -are mounted the lower ends of a corresponding number of rows of upright, spiral- springs 13, 13, shorter vertically-dis- BEDSPBING posed spiral- springs 14, 14 being arranged around the outer side of the bed-sprmg structure and suitably supported on the frame, the top coils or convolutions of all such springs being yieldingly joined or connected together by intersecting or crossing helical s rings 15, 15.

A bor er-wire 16, of substantial cross-section, extends around the upper rim or edge of the bed-spring along or just above the top convolutions of the splral-sprin s 14 14, arranged around the margin of t e structure, such rim wire 16, being secured to the tops of the associated spiral-springs by wires 17 bent at 18, 18 t wrap around and fasten together the border wire referred to and the spring coils as is clearly illustrated, each such securing wire extending along the full length of the side of the bed-spring on which it is used with straight sections19, 19between its spaced, bent, fastening or securing portions 18, 18.

An inner, rectangular, supplemental or auxiliary border-wire 21, spaced inwardly away from-the complementary or companion wire 16, is also' employed above the top coils ofthe same marginal, upright, spiral-springs v 14, and such wire 21 along the lengthwise dimension of the bed-spring is tied or attached to two adjacentv or adjoining sprmgs 14, by short Wires 22, each bent at its ends at 23, 23 to form the securing means.

Thus the outer row of upright spiralsprings is equipped with two wires 16 and 21 overlying and fastened to them, hence maintaining the proper substantially-vertical disposition of the springs under all conditions of service, a situation not likely to be preserved where only a single outer border-wire is used as has heretofore been customary.

Furthermore, since such outer row of springs is thus more securely tied together, stronger, helical springs 15 may be availed of, if desired, because there is no substantial danger to such horizontal springs bowing the border-wires inwardly.

Hence the use of the additional or complementary, inner, border-wire and its fastening to the outer row of spiral-springs permits a desirable employment of connecting-helical springs of greater strength than has hereto- "fore been customary, and, accordingly, the

. correct Vertical arrangement. v

Another feature of the invention resides 'in tying such upright springs flexibly together at an intermediate point in their heights and in such a Way to assist materially in the preservation of their vertical order Without interfering; with their taultless compression in the performance of their eushioning olice.

To this end, each spring 13, substantially midway its height., is provided with adjacent or contiguous substantially- parallel coils 24, 24, closer 'together than its other convolutions, which slidingly accominod ate between them a pair of crossed Wire-clips 25, Z5 centrally bent or deformed to extend over one anotherand with loops or eyes 26 at their opposite ends iust outside ot' the spring' convolutions be tween which they lit.

As is clearly presented in the drawing. such clip eyes are connected by horizontal, helical springs 27, 27 to the complemeniiary attachment eyes of the like clips et the sii-rin next adjacent thereto, `whereby each such up ght, spiral-spring' is yieldingly connected at bout halfway its height with tour other springs, each oit" which in turn is in like manner liexihlji` joined to neighbors.

Thus the intermediate sections of the vertical, main, supporting springs are yieldingly held in piace, but, nevertheless. in such inanner. that they can flex and shitt adequately to siiord the tjoring structure. whole. de sirable resilient properties and "Without di rect attachment. ot the helicalsinfingrs to the spira-sprinejs.

filoni; the border of the bed-spring, the in liate helicalsprings 28 are conne( ed r outer e -ns-to the angle-bar l() of the ivrorlr is indicated in Firjnrcs and the foregoing. it *ill be i an-nai n nat the supplnl Hal or inner borleiwne materially aids 1 irs-opina' the npr sition ot. the marginal spiral-springs even iv he onl,T locally depressed l de, e. with the result that such springs, because of their union with their companions, in the manner specified, are prevented from tilting or tipping out of place. it least the;7 precluded from permanently becoming' mal-positioned even though subjected to unusual and severe strains. Y

lt 'will be observed that there is a direct eration between the use of the inner borre in the manner specified and the way in which the springs are tied together horizontally about .midway betweerf their tops and bottoms. the *Wo features of construction conjointly resulting in a bedspring having the qualities and properties above s. forth.

Although only one embodiment of the in vention has herein been presented, it will be understood by those skilled in this art that many minor mechanical changes may be incorporated in the construction thus illustrated and described in detail Without departure from the heart and essence of the invention and Without the sacrifice or loss of any of its substantial benefits or advantages.

Ve claim:

In a bed-spring, the combination of a supporting-frame, a plurality/'of upright spiralsprings mounted on said frame and arranged in rows, an outer border-Wire, means securint,r said outer border-wire to the extreme outer portions of the top convolutions of the marginal spiral-springs, an inner borden wire crossing said convolutions of said border springs at a dist-ance from their innermost portions, n'ieans securing said inner border-wire to said convolutions at their points of crossing, said three connections of said oordenwires with each top convolution eX- cept those of the corner springs, bein g rou3hly equally spaced apart to secure effective stiffening of the structure, and helicalsprings connecting the top convolutions of said upright springs together, each of said border springs, with the exception of the corner ones, having its top convolution connccted by two of such helical springs to two upright springs in the next rows on opposite sides of the row of which the spring:r under consideration forms a part. l,

in witness whereof we have hereunto set our hands. K

GEORGE PGVERS. LAMBENCE J. SIEGER.

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