US Patent 11116325 Zero gravity bed

A bed frame is provided that includes a lower frame and an upper frame having a first section, a second section and a third section. The second section is positioned between the first section and the third section. The first section is pivotable relative to the lower frame. The third section is fixed relative to the lower frame. The second section is pivotable relative to the first section and the third section. A lifting assembly includes a first end that is coupled to the lower frame and a second end that is coupled to the second section. The lifting assembly is configured to selectively move the second section toward and away from the lower frame.