Patent ID: 8230538

Claim:
A mattress innerspring comprising: an innerspring formed by a plurality of springs connected together in an array wherein the springs are arranged in rows and columns, each spring having a body with a first end and a second end, the body of each spring being generally cylindrical and having a longitudinal axis and an outer diameter, the springs being spaced apart in the rows and columns and connected together in a spaced apart arrangement with each spring being spaced from each adjacent spring in the array; at least one innerspring dampening insert located in the innerspring in spaces between springs of the innerspring, the innerspring dampening insert having an upper lateral member, a lower lateral member parallel and spaced apart from the upper lateral member and a transverse member which extends between and bisects the upper and lower lateral members; wherein the upper lateral member contains an arched upper surface and the lower lateral member contains an arched lower surface; and wherein the upper and lower lateral members extend between and into and at least partially intersect a longitudinal axis of two adjacent springs of the innerspring.