Патент USA US2122979код для вставки
July 5, 1938. w_ w, GLEASON 2,122,979 SPRING ASSEMBLY FOR UPHOLSTERY Filed June 1, 1936 VM o l@ f 11%/ ik@ Inxfen'tîr WM Patented July 5, 1938 J 2,122,979l UNITED STATES vPATENT OFFICE 2.122.979 SPRING ASSEMBLY FOB. UPHOLSTERY William W. Gleason, Chicago, Ill., assigner to Naohman Spring-Filled Corporation, Chicago, lll.. a corporation of Illinois Application June 1. 1936, Serial No. 82,736 2 Claims. (CL 155-179) The invention relates to improvements in spring and, furthermore, that in the event that said assemblies for seat cushions and the like, and strips are disposed in more closely compact rela has for its object to provide a cheap, light and tion to each other, so that the loops or similar very resilient device of this character which can formations 'l thereof are disposed in close proxim 5 be manufactured at low cost. ity to each other in adjacent strips, connecting 5 A suitable embodiment of the invention is illus means other than helicals, or the equivalents of said helicals, may be employed to couple each trated in the accompanying drawing, wherein Fig. l is a plan view of a, spring assembly con structed in accordance with this invention. Fig. 2 is a side elevation of the same. Fig. 3 is a fragmentary end elevation of the same. The structure of the present invention com prises a series of parallel strips, each composed of ` 15 wire bent to zig-zag form to provide substantially Vilat skeleton surfaces upon which padding mate rial may be supported. n Each of the said strips is composed, preferably, of a single strand of wire of suitable type and is 20 bent to present substantially parallel upper and ` strip with the next adjacent strip. f While I have illustrated the strips as being composed of a single strand of wire each bent substantially as illustrated in Fig. 2, it will be obvious, of course, that each strip may be com posed of a plurality of parts and joined at the points 8 in any suitable manner. In bending the strips when composed of a single strand of wire, as illustrated in Fig. 2, I prefer to twist the laterals l at the ends of the upper and lower portions l and 2 respectively about their own axes, this twisting being accomplished, , preferably, before the strips are hardened to lower portions l and 2, respectively, presenting render them resilient or, if hardened strips are the said ilat skeleton type supporting surfaces for (used initially, then by annealing the said laterals padding and each of which is bent between its 'f8 and bending the same, and thereafter again ends to provide a U-shaped or V-shaped forma hardening the same. 'I'he same procedure may 25 tion 3 which projects between the said upper be‘ihfollowed with respect to bending of the por- 25 and lower portions I and 2. 'I'he ends of the said strands of zig-zag wire are similarly bent to pro vide the U-shaped or V-shaped formation 4 op posed to the U-` or V-shaped formation 3 and pro 30 Jecting between the upper and lower portions i and 2 in substantially the same manner. The op posed extremities of the said strip or strand of wire are suitably joined or coupled with each , other by means of coupling sleeves 5 as shown in 35 Fig. 3, or in any other suitable manner. A plurality of strips of the type illustrated in Fig. 2 and hereinabove described, are disposed in parallel relation to each other as shown in Fig. 1 and may be spaced from each other to any suit able or selected extent. Preferably, the portions of the strips or strands which extend substantially transverselyto the lengths of the upper and lower portions I and 2 or to the length of the strips, are disposed in substantial alignment with each other 45 in contiguous strips and, preferably, said strips are coupled with each other by means of wire helicals 6 which embrace said aligned lateral por tions of said strips "occurring at intervals in the length thereof. The number of said helicals 6 50 employed is selective and depends upon the judg ment of the manufacturer and the purposes for which the spring assembly is to be employed, it be y ing obvious. of course, that other connecting means of a resilient nature well known in the 55 art may be employed in place of the helicals 6 tions 3 and 4 of said strips as will be obvious. The said upper and lower portions l and 2, or one of -them, of said strips of zig-zag wire may be slightly bowed if desired and thus provide slightly convex surfaces opposed to the padding subse quently supplied in the production of finished cushions. _ It will be apparent also that the strips dis posed in the middle portion of the assembly shown and which are subjected to the greatest degree of load, may be bowed to a greater extent than the side strips so that the completed spring as sembly may present substantially and approxi mately sphero-convex skeleton surfaces. I claim as my invention: 1. An all-wire spring assembly. for incorpora 40 tion into a loose cushion, comprising a series of strips of resilient wire of zig-zag form each bent to provide opposed skeleton pad supporting sur faces spaced from each other and presenting op posed bowed portions extending inwardly from the ends of the said pad supporting surfaces and constituting yielding means for maintaining said supporting surfaces in said spaced relation to each other, the respective strips of the series be 50 ing disposed in substantially parallel and spaced apart relation to each other with the supporting surfaces thereof disposed to present substantially continuous skeleton surfaces extending from one to an opposite edge of the structure and a series 55 2 2, 122,979 of substantially parallel spaced apart helical the pad supporting surfaces thereof disposed to springs extending transversely of and each en Based with ail of said strips tor coupling the same with each other and maintaining them yieldingly in spaced relation to each other. 2. An al1-wire spring assembly for incorpora» tion in_to a loose cushion, comprising a series-oi single-piece strips of> resilient wire oi Sia-zag form each bent to- provide skeleton pad m99011 10 ing surfaces at top and bottom of the structure. present substantially continuous convex pad sup ports extending from one edge to an opposed edge of the structure, each oi said strips presenting meeting ends each extending over the width oi the strip and in contact with each other and dis» said strips spaced from each other and present- t posed’between the convex portions and inwardly of the vertical planes of the peripheral edges of the structure at the respective ends of said convex portions. and a series of substantially parallel spaced apart helical springs extending trans ing opposed bowed portions extending inwardly >versely of and each engaged with all of said strips from the ends of the said pad supporting surfaces and constituting yielding means for maintaining 15 said supporting surfaces in said spaced relation lto each other vertically of the structure, the re spective strips o! the series being disposed in substantially parallel relation to each other with for coupling the same witheach other and main taining them yieldingly in spaced relation to each other, said meeting ends of each of said strips be ing embraced by and held against separation by one of said helical springs. WILLIAM ‘ W. GLEASGN.