US Patent 11976489 Height adjustable and detachable fence system

A height-adjustable and detachable fence system includes a plurality of fence sections pivotally coupled with each other; and a plurality of height adjustable units detachably coupled to the fence sections; wherein the fence section includes at least one horizontal rail, and a plurality of picket members uprightly coupled on the horizontal rail; wherein the height adjustable unit includes a base body supported on a ground and a post body detachably connected to the base body.