| US 7,530,640 B2 | ||
| Layered chair back and chair seat | ||
| Joseph Lawrence Walters, Goshen, Ind. (US); Jesse Love, Bristol, Ind. (US); and James Arlin Riegsecker, White Pigeon, Mich. (US) | ||
| Assigned to L & P Property Management Company, South Gate, Calif. (US) | ||
| Filed on Apr. 07, 2006, as Appl. No. 11/400,624. | ||
| Prior Publication US 2007/0236073 A1, Oct. 11, 2007 | ||
| Int. Cl. A47C 7/00 (2006.01) | ||
| U.S. Cl. 297—440.22 [297/440.2; 297/452.27] | 10 Claims |
| 8. A seat support assembly for use with a chair, the seat support assembly comprising:
a urethane foam base layer with a void,
a urethane foam tail pad received within the void in the urethane foam base layer,
a urethane foam intermediate layer coupled with the urethane foam base layer, the urethane foam intermediate layer having
an inner void and an outer void,
a gel pad having a void, the gel pad being received within the outer void of the urethane foam intermediate layer and coupled
with the urethane foam base layer, and
a urethane memory foam top layer coupled with the urethane foam intermediate layer, wherein the void of the urethane foam
base layer and the inner void of the urethane foam intermediate layer and the void of the gel pad align to create a relief
area in the seat support assembly, and further wherein the density of the urethane foam is less than the density of the urethane
memory foam.
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