| 摘要 |
<p>SPRING INTERIORS FOR MATTRESSES AND OTHER ARTICLES The invention provides a modification to a known form of spring interior. The known spring interior comprises bands of springs (15) disposed side by side and connected by helical wires (16) extending transversely of the bands. Each band (15) is made from a single length of wire shaped to form a row of coil springs (1). Each spring in the rows joined to the next by an integral wire link (5, 12) comprising a bridging portion (7, 13) which extends lengthwise of the row. Each of the working surfaces of the spring interior thus presents an array of rectangular apertures. The invention provides supporting structures (9, 15, 19) integral with the bridging portions and projecting into those apertures to resist any tendency for upholstery material to sink into the apertures in use. The supporting structures may be of any shape such as loops (9), V-shaped formations (19) or zig-zags (15). The bridging portions are themselves resilient, displacement of the supporting structures being resiliently resisted by torsional forces in the remaining parts of the bridging structures, and displacement of those remaining parts causing resilient deformation of the supporting structure.</p> |
