Patent ID: 8806672
Filing Date: 2014-08-19
Classification: A47C

Abstract:
1. A sleeper sofa comprising: a sofa frame, a foldable bed frame, said foldable bed frame attached to said sofa frame, a foldable mattress, said foldable mattress affixed to said bed frame, said foldable mattress comprising a first section, a second section, said second section comprising a collapsible sinuous spring, said second section pivotably joined to said first section, a third section, said third section comprising a collapsible sinuous spring, said second section joined to said third section, a mattress transition section, said mattress transition section comprising a support member, said support member disposed laterally within said transition section, a first strap, a second strap, said first strap affixed to said third section and to said transition section to support said third collapsible sinuous spring upon unfolding of said mattress, a fourth section, said fourth section comprising a collapsible sinuous spring, said transition section disposed between said third section and said fourth section, said second strap affixed to said transition section and to said fourth section, and a foot section, said foot section attached to said fourth section whereby said foldable bed frame and said foldable mattress can be folded within said sofa frame.