The present invention is a mattress comprising a plurality of pocket springs. Each of the pocket springs comprise a coil pocket and a first cushion pocket. The coil pocket comprises a pocket and a coil spring disposed therein. The first cushion pocket comprises a pocket and a resilient member disposed therein. The first cushion pocket is disposed above and acts directly upon the coil pocket. The mattress may further comprise a second cushion pocket disposed below the coil pocket. The second cushion pocket comprises a pocket and a resilient member disposed therein. The second cushion pocket is engaged with and acts directly upon the coil pocket.
1. A spring unit comprising:
a first pocket spring comprising a coil pocket comprising a pocket and a coil spring disposed in said pocket and a cushion pocket comprising a pocket and a resilient member disposed in said pocket of said cushion pocket; said cushion pocket being engaged with and acting upon said coil pocket; said pocket of said coil pocket comprises a side portion, a bottom portion, and a top portion; said side portion extends from said bottom portion of said coil pocket to said top portion of said coil pocket; said pocket of said cushion pocket comprises a side portion, a bottom portion, and a top portion; said bottom portion of said pocket of said cushion pocket is connected directly to said top portion of said pocket of said coil pocket;
a second pocket spring comprising a coil pocket comprising a pocket and a coil spring disposed in said pocket of said coil pocket of said second pocket spring; said second pocket spring further comprising a cushion pocket comprising a pocket and a resilient member disposed in said pocket of said cushion pocket of said second pocket spring; said cushion pocket of said second pocket spring being engaged with and acting upon said coil pocket of said second pocket spring; said pocket of said coil pocket of said second pocket spring comprises a side portion, a bottom portion, and a top portion; said side portion of said pocket of said coil pocket of said second pocket spring extends from said bottom portion of said pocket of said coil pocket of said second pocket spring to said top portion of said pocket of said coil pocket of said second pocket spring; said pocket of said cushion pocket of said second pocket spring comprises a side portion, a bottom portion, and a top portion; said bottom portion of said pocket of said cushion pocket of said second pocket spring is connected directly to said top portion of said pocket of said coil pocket of said second pocket spring;
substantially the entire length of said side portion of said pocket of said coil pocket of said first pocket spring is engaged with substantially the entire length of said side portion of said pocket of said coil pocket of said second pocket spring;
said pocket of said cushion pocket of said first pocket spring is completely spaced apart and free from said pocket of said cushion pocket of said second pocket spring thereby allowing circulation of air.
2. The spring unit of claim 1 , wherein said resilient member of said cushion pocket of said first pocket spring comprises a foam material and said resilient member of said cushion pocket of said second pocket spring comprises a foam material.
3. The spring unit of claim 2 , wherein said pocket of said coil pocket of said first pocket spring and said pocket of said cushion pocket of said first pocket spring are formed by a thermal bond.
4. The spring unit of claim 3 , wherein said pocket of said coil pocket of said second pocket spring and said pocket of said cushion pocket of said second pocket spring are formed by a thermal bond.
5. The pocket spring of claim 4 , wherein said pocket of said cushion pocket of said first pocket spring is attached to said pocket of said coil pocket of said first pocket spring by adhesive.
6. The pocket spring of claim 5 , wherein said pocket of said cushion pocket of said second pocket spring is attached to said pocket of said coil pocket of said second pocket spring by adhesive.
7. The pocket spring of claim 6 , wherein said coil spring of said coil pocket of said first pocket spring is a multi-rate coil spring.
8. The pocket spring of claim 7 , wherein said coil spring of said coil pocket of said second pocket spring is a multi-rate coil spring.
9. The pocket spring of claim 8 , wherein said resilient member of said cushion pocket of said first pocket spring is a foam cushion.
10. The pocket spring of claim 9 , wherein said resilient member of said cushion pocket of said second pocket spring is a foam cushion.