Mattress

摘要

A mattress with a top section that extends beyond the vertical sides of a main or base section. The top section includes a firmer or reinforced outer portion that surrounds a softer or less resilient inner portion. A cover encloses the top section and base section, thereby securing them together. The softer inner portion includes a plurality of foam layers, where the layers have different firmness.

主权项

1. A device comprising
a base portion, a top portion, and a cover where the base portion comprises side borders, where the side borders are vertical walls, where the base portion comprises one or more foam layers, where the top portion comprises an inner section and a top border member, where the top portion extends beyond the side borders of the base portion, where the top border member bounds the inner section on four sides, where portions of the inner section and top border member form a top sleep surface, where the inner section comprises a plurality of layers of foam, where the layers of foam further from the top sleep surface are firmer than the layers of foam closer to the top sleep surface, where the inner section comprises no glue, where the cover encloses the base portion and the top portion, where the cover secures the top portion to the base portion; where the cover further encloses the inner section and the top border member, where the cover helps retain the inner section within the top border member.