US1962885A - Bed spring - Google Patents

Description

June 12, 1934. Al WESLEY 1,962,885

BED SPRING Filed May 8, 1935 CJI Patented June 12, 1934 BEDSPRING Arthurl Wesley, Chicago, Ill., assigner to Burton- Dixie Corporation, Chicago,-Ill.', a corporation of Delaware A'ppucation May s, 1933, serial No. 669,847

4 Claims.

My invention concerns certain features of improvement and betterment in spring-cushions and the like, such as bed-springs and similar elastic structures.

One object of the invention is'to provide suitable and convenient means `for strengthening such resilient constructions and to distribute the load more advantageously on the supporting or sustaining springs. v

To this end and for the accomplishment of other benecial aims and purposes, a number of flat metal straps or ribbons, arranged both longitudinally and transversely of the bedspring', are associated with its top portion, such bands reenforcing thev construction in suitable manner for the attainment of the desired results.

Another salient ,feature of the invention resides in interweaving such straps or bands with the top terminal coils of the upright spiralsprings so that they are held from slipping sidewise out of proper position. l

A further object of the invention is to so attach or secure the ends of the bands ory straps to the bed-spring that there will be no substantial tendency to bend the lborder-wire which encircles the top coils of the marginal spiral-I springs.

To enable those trained in this industry and skilled in this art to understand the invention fully, in the accompanying drawing a present, preferred embodiment of the invention has been shown in detail, and in the single view of this drawing a corner portion of a bed-spring has been shown in perspective and from such partial illustration no difculty will be encountered in understanding the remainder of the struc-` ture.

Referring to this drawing, 'it will be readily perceived that the bed-spring incorporates a suitable lower rectangular frame 10 having outstanding lugs or projections 11 by means of which the bed-spring may be supported on the side rails of a bedstead in the customary manner.

This lower or supporting framework also includes the usual parallel, spaced, twisted crossbars '12, 12 secured at their ends to the frame 10 in any appropriate manner, such transverse members acting as supports for'a corresponding number of rows of erect spiral- springs 13, 13, the end rows of like spiral-springs 14 being directly mounted on the )frame 10, as is clearly shown.

Longitudinal wires l5 fasten the lower ends of such vertical springs to their respective supports 10 and 12in a manner well understood in the trade.

The top or terminal coil 16 of each such spring is knotted in the usual way to an adjacent portion of the spring at 17 and such top coils are connected' together by intersecting or crossing helical springs 18, the corresponding coils of the marginal springs being connected to a rectangular border-wire 19 by a suitablybent associated attachment wire 20 In general, this style or type of bed-spring is old except as to the specio arrangement of the spiral-springs.

In order to' strengthen and reenforce such resilient structure and at the same time obtain a better distribution of the load on the pright spiral-springs, a plurality of thin, more or less flexible, metal bands or straps 21 are interwoven with the top coils 16 and arranged lengthwise the bed-spring.

In the lpresent instance, three such members 21 are so employed, although due to the fragmentary character of the illustration, only two are actually depicted, and in this connection it will be borne in mind that the number of such bands may be modied as occasion dictates. Each endv of each such band is joined by a short helical spring 22 to the innerportion of the corresponding top coil 16 of the adjacent marginal spiral-spring 14.

By such a union and combination of elements and the avoidance of a more direct connection of the ends of such bands with the border-wire 19, any material tendency to bend the border-wire inwardly at the points of attachment by the imposed load is overcome.

It will be observed that, for the most part, each such band lies over one portion of the top coil of each spiral-spring and under the opposite section of such top coil adjacent to its knot 17, and it should be noted that these top coil knots are adjacent to the opposite edges of the bands and therefore constitute stops or restraining means to preclude the bands from objectionable or detrimental sidewise displacement.

lAssociated and cooperating with such longitudinal bands are a suitable number of similar transverse metal straps or ribbons 23 of which only one is portrayed in the drawing, although any appropriate number may be availed of, two being employed in the present bed-spring.

As in the previous instance, each end of each such cross band is connected by a short helical spring 24 to the inner part of the upper terminal 110 the top surface of ther bed-spring give addedA coil of the corresponding marginal or border spiral-spring.

Also, as i'n the case of the lengthwise bands, these transverse elements extend over one prtion of the top coil of leach spiral-spring beneath it and under the opposite part of such top coil close to the terminal knot 17, some of such knots being at one edge of the band and some at the opposite edge, whereby they unitedlyv or con: jointly prevent the band from slipping out of place sidewise.

At those points where the longitudinal bands cross the transverse bands over the centers of the correlated spiral-springs, each ,band 21 is positionedunder the opposite sides of the top coil 16 and over the transverse band, thus effectually interlacing or binding the parts together in an appropriate manner to assist in maintain` ing them in correct associated relationship.y

From the foregoing, it will be clear that the' two sets of bands or straps interlocked or interlaced with the members of the structure forming strength to the construction as a whole and distribute the load on the supporting springs and their companion members in a fashion better tted for sustaining the load in proper manner than the structure would possess were these elements 1 omitted.

It is to be remembered that the invention, as defined by the appended claims, is not limited to theiprecise and exact structure illustrated and described and that many minor mechanical changes may be incorporated in the bed-spring without departure from the heart and essence of the invention and without the loss or sacrifice ofany of its material benefits or advantages.

1. In a spring-cushion, ,the combination of a framework, upright wire spiral-springs on said framework in rows disposed lengthwise and crosswise of said framework, the end of the wire forming the top coil of each of said springs being knotted to an adjacent underlying convolution of the spring, at metal bands arranged both longitudinally and transversely of said cushion over rows of said springs, and means securing the opposite ends of said bands to said cushion, each of said bands extending over one portion of the top coils of at least some of the springs of its row and beneath the. opposite portion of said coilsadjacent to their knots, some of said springs being arranged )to position theirknots at and substantially in contact with-one edge of their band and other of said springs their knots at and substantially in contact with the opposite edge of to preclude material lateral movement of the band. y 8G 2. The structure presented in claim 1 in combination with a top border-wire around said cushion, and means fastening the top coils of the marginal spiral-springs to said border-wire and in which the means securing the opposite ends of the bands to the cushion are helical springs securing such,opposite ends to the inner portions of the top' coils o f the marginal spiral-springs in register with the bands.

3. In a spring-cushion, the combination of a framework, upright wire spiral springs mounted on said framework in rows disposed lengthwise and crosswise of said framework, the end of the wire forming the top coil of each of saidsprlngs being knotted to an adjacent underlying convolution of the spring, flat metal bands arranged both longitudinally and transversely of said cushion overI rows of said springs, and means secur ing the opposite ends of said bands to -said cushion, each of said bands being located beneath the portions of the top coils of some of the springs of its row adjacent to their knots, a pluralityof such springs being arranged with their knots at and substantially in contact with the same edge of the band and another plurality of said springs with their knots at and substantially in contact with the opposite edge of the band, a sufficient number of said springs beingv thus interlocked with each of said bands to preclude material lateral movement of the band. 110

4. In a spring-cushion, the combination of a framework, upright wire spiralsprings mounted, on said framework in rows disposed lengthwise and vcrosswise of said framework, the end of the wire forming the top'. coil of each of said springs being knotted to an adjacent underlying convolution of the spring, at metal bands arranged over rows of said springs, and means securing theopF posite ends of said bands to said cushion, each of said band being located beneath the portions of 120 the top coils of some of the springs of its row adjacent to their knots, certain of such springs being arranged with their'knots at and substantially in contact with one .edge of the band and certain other of said springs with their knots at 125 and substantially in contact with the opposite edge of the band, a suicient number of said springs being thus interlocked with each of said bands to preclude material lateral movement of the band.

, ARTHUR -WESLEY.

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