Patent attributes
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.