Patent ID: 9661932
Date: 2017-05-30
CPC Classifications: A47C

Claim:
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.