US Patent 11147379 Cushion for folding chair

A chair comprises a seat and a backrest carried between opposite frame sides each with a backrest support, a front leg and a rear leg. The seat comprises an upholstered seat cushion disposed on the seat. The upholstered seat cushion comprising a cushion layer carried by a backing and covered by a layer of upholstery. The layer of upholstery extends over the cushion layer and the backing, and wraps around a perimeter of the backing. A snap connection attaches the backing of the upholstered seat cushion to the seat. The snap connection comprises resilient hooks extending from backing of the seat cushion and into holes in the seat.