Claims
- 1. A method of making a pocketed spring assembly, said assembly having a longitudinal dimension and a transverse dimension, said longitudinal dimension being greater than said transverse dimension, said assembly comprising a plurality of fabric pockets, each pocket containing a spring retainer, said method comprising the steps of:
- forming a first fabric pocket,
- inserting a spring retainer into said first pocket, said spring retainer comprising a band of coil springs made of a single length of wire shaped to form a plurality of coil springs arranged in a longitudinally extending row, each coil spring having an upper end turn located in a top face of the band and a lower end turn located in a bottom face of the band, adjacent end turns being connected by interconnecting segments in said top and bottom faces of said band and a continuous piece of fabric folded around said band of coil springs so as to form longitudinally extending top, bottom and side portions, one side of said spring retainer being open, said top and bottom portions of said continuous piece of fabric being overlapped so that said top and bottom portions each have an upper ply and a lower ply, the end turns of said coil springs of said band being located between said plies, said coil springs of said band being secured in place by multiple transversely extending connections, each of said connections securing one of said plies to the other of said plies in one of said top and bottom portions of said continuous piece of fabric,
- forming a second fabric pocket,
- inserting a spring retainer into said second fabric pocket,
- attaching said first and second pockets; and
- repeating said steps of forming a fabric pocket, inserting a spring retainer into the fabric pocket and attaching pockets until an appropriate length of said assembly is obtained.
- 2. A method of making a pocketed spring assembly having an upper planar surface in a top plane and lower planar surface in a bottom plane, said assembly comprising a plurality of integrally connected fabric pockets, each pocket containing a spring retainer which method comprises the steps of:
- vertically spacing two sheets of fabric so the sheets are generally parallel,
- connecting said sheets along one end edge of said assembly, inserting a spring retainer between said sheets, said spring retainer comprising a band of coil springs made of a single length of wire shaped to form a plurality of coil springs arranged in a longitudinally extending row, each coil spring having an upper end turn located in a top face of the band and a lower end turn located in a bottom face of the band, adjacent end turns being connected by interconnecting segments in said top and bottom faces of said band and a continuous piece of fabric folded around said band of coil springs so as to form longitudinally extending top, bottom and side portions, one side of said spring retainer being open, said top and bottom portions of said continuous piece of fabric being overlapped so that said top and bottom portions each have an upper ply and a lower ply, the end turns of said coil springs of said band being located between said plies, said coil springs of said band being secured in place by multiple transversely extending connections, each of said connections securing one of said plies to the other of said plies in one of said top and bottom portions of said continuous piece of fabric,
- securing said sheets together along a line of attachment such that said sheets form a pocket, said pocket containing said spring retainer,
- repeating said steps of inserting a spring retainer and securing said sheets together,
- connecting said sheets along the other end edge of said assembly.
- 3. The method of claim 2 said step of securing said sheets along lines of attachment comprises sewing the sheets.
- 4. A method of making a pocketed spring assembly comprising the steps of:
- forming a plurality of fabric pockets attached to each other,
- inserting a spring retainer into each of said fabric pockets, said spring retainer comprising a band of coil springs made of a single length of wire shaped to form a plurality of coil springs arranged in a longitudinally extending row, each coil spring having an upper end turn located in a top face of the band and a lower end turn located in a bottom face of the band, adjacent end turns being connected by interconnecting segments in said top and bottom faces of said band and a continuous piece of fabric folded around said band of coil springs so as to form longitudinally extending top, bottom and side portions, one side of said spring retainer being open, said top and bottom portions of said continuous piece of fabric being overlapped so that said top and bottom portions each have an upper ply and a lower ply, the end turns of said coil springs of said band being located between said plies, said coil springs of said band being secured in place by multiple transversely extending connections, each of said connections securing one of said plies to the other of said plies in one of said top and bottom portions of said continuous piece of fabric.
Parent Case Info
This application is a divisional application of U.S. patent application Ser. No. 09/039,807 filed Mar. 16, 1998 now U.S. Pat. No. 5,957,438, entitled SPRING RETAINER ASSEMBLY which is incorporated by reference herein. U.S. patent application Ser. No. 09/039,807 claims priority to provisional patent application, Ser. No. 60/073,633, filed Feb. 4, 1998, entitled SPRING RETAINER ASSEMBLY which is also incorporated by reference herein.
US Referenced Citations (24)
Foreign Referenced Citations (14)
Number |
Date |
Country |
1194621 |
Mar 1982 |
CAX |
089789A1 |
Oct 1983 |
EPX |
357912A1 |
Oct 1989 |
EPX |
421496A1 |
Feb 1990 |
EPX |
2229194 |
Nov 1974 |
FRX |
945591 |
Jun 1956 |
DEX |
3016914A1 |
Nov 1981 |
DEX |
3831510A1 |
May 1989 |
DEX |
0001247 |
Nov 1904 |
GBX |
26847 |
Jan 1912 |
GBX |
491523 |
Sep 1938 |
GBX |
759177 |
Oct 1956 |
GBX |
2143731B |
Feb 1985 |
GBX |
318141 |
Jul 1990 |
GBX |
Divisions (1)
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Number |
Date |
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Parent |
039807 |
Mar 1998 |
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