Pocket spring unit
A pocket spring unit comprising a plurality of pocket springs each comprising a coil spring and a pocket. Each of the pockets comprise top portion and bottom portions. Each of the pockets are formed from a continuous top piece of fabric attached to a continuous bottom piece of fabric to form a bond having a plane perpendicular to the longitudinal axis of each coil spring. The pocket spring unit further comprises an attachment layer comprising a top portion comprising an inner and outer surface. The pocket spring unit further comprises a plurality of first cushion elements engaged with the outer surface of the top portion of the attachment layer. The inner surface of the top portion of the attachment element is engaged with the top portion of the pockets of the pocket springs such that each of the first cushion elements act only upon one of the pocket springs.
1. A pocket spring unit comprising:
a plurality of pocket springs; each of said pocket springs comprising a coil spring comprising a central longitudinal axis and a pocket; each of said pockets comprising a top portion and a bottom portion; each of said pockets are formed from a continuous top piece of fabric attached to a continuous bottom piece of fabric to form a bond having a plane perpendicular to said central longitudinal axis of each coil spring thereby allowing movement of each pocket spring;
an attachment layer comprising a top portion comprising an inner surface and an outer surface; and
a plurality of first cushion elements engaged with said outer surface of said top portion of said attachment layer; said inner surface of said top portion of said attachment layer being engaged with said top portion of said pockets of said pocket springs such that each of said first cushion elements acts only upon one of said pocket springs.
2. The pocket spring unit of claim 1 , wherein said attachment layer further comprises a bottom portion comprising an inner surface and an outer surface; said pocket spring unit further comprising a plurality of second cushion elements engaged with said outer surface of said bottom portion of said attachment layer; said inner surface of said bottom portion of said attachment layer being engaged with said bottom portion of said pockets of said pocket springs such that each of said second cushion elements acts only upon one of said pocket springs.
3. The pocket spring unit of claim 2 , wherein said attachment layer further comprises a side portion comprising an inner surface and an outer surface; the pillow further comprising a plurality of third cushion elements engaged with said outer surface of said side portion of said attachment layer; said inner surface of said side portion of said attachment layer being engaged with a side portion of each of said pocket springs such that each of said third cushion elements acts only upon one of said pocket springs.
4. The pocket spring unit of claim 3 , wherein said top portion, said bottom portion and said side portion of said attachment layer are made from a single piece of material.
5. The pocket spring unit of claim 3 , wherein each of said first cushion elements, said second cushion elements, and said third cushion elements are made from a foam material.
6. The pocket spring unit of claim 3 , wherein said first cushion elements are attached to said outer surface of said top portion of said attachment layer by adhesive.
7. The pocket spring unit of claim 3 , wherein said second cushion elements are attached to said outer surface of said bottom portion of said attachment layer by adhesive.
8. The pocket spring unit of claim 3 , wherein said third cushion elements are attached to said outer surface of said side portion of said attachment layer by adhesive.
9. The pocket spring unit of claim 1 , wherein said attachment layer and said plurality of first cushion elements are made from a single piece of foam.