US 11,684,161 B1
Portable bleacher chair
Chunying Chen, Jiujiang (CN)
Filed by Chunying Chen, Jiujiang (CN)
Filed on Nov. 16, 2022, as Appl. No. 17/988,200.
Claims priority of application No. 202222857700.5 (CN), filed on Oct. 28, 2022.
Int. Cl. A47C 1/16 (2006.01)
CPC A47C 1/16 (2013.01) 9 Claims
OG exemplary drawing
 
1. A portable bleacher chair, comprising a base and a backrest rotatably connected to an end of the base, the base comprising a pair of main rods arranged in parallel and a foldable assembly connected between the pair of main rods; wherein the foldable assembly is configured to be in a folded state or an unfolded state, and a distance between the pair of main rods varies with a transition between the folded state and the unfolded state of the foldable assembly;
each main rod of the pair of main rods defines a slide groove, and the foldable assembly comprises two X-shaped cross structures arranged side by side and a telescopic rod arranged between the two X-shaped cross structures; each X-shaped cross structure of the two X-shaped cross structures comprises a first end, a second end, a third end and a fourth end; the first end and the second end are connected to the telescopic rod; the third end is fixed to a corresponding main rod of the pair of main rods, and the fourth end is slidable in the slide grove; the telescopic rod comprises a telescopic locking structure.