US Patent 11297936 Collapsible supporting frame and furniture having same

Disclosed are a collapsible supporting frame and furniture having a collapsible supporting frame. A frame includes first and second supporting units, and first and second bar units disposed between the first and second supporting units. Each of the first and second supporting units includes a first leg, a second leg, and one or more lateral connecting bars disposed between and fixedly connected with the first and second legs. Each of the first and second bar units includes first and second bars rotatably connected with each other at their proximal ends. A distal end of the first bar is rotatably connected with the first or second leg of the first supporting unit. A distal end of the second bar is rotatably connected with the first or second leg of the second supporting unit.