US Patent 11944203 Sofa cushion of convenient installation and removal

A sofa cushion adapted for being conveniently installed with or removed from a sofa frame includes a cushion member and a connection sleeve. The connection sleeve extends from a back side or a bottom side of the cushion member and has a first end with a first opening for enabling that the sofa frame is inserted into the connection sleeve through the first opening. Without the need of any tool, the sofa cushion can be installed with and removed from the sofa frame by a user herself/himself, and after the sofa cushion is installed with the sofa frame, the sofa cushion is firmly held with the sofa frame and not liable to move.