US Patent 9573012 Multi-functional chair

A multi-functional chair includes a front leg frame, a footrest assembly connected pivotally to and extending obliquely upward from a bottom end of the front leg frame, a link rod assembly connected pivotally to the footrest assembly, a seat cushion connecting rod connected pivotally to the link rod assembly, a supporting frame connected pivotally to the seat cushion connecting rod, a seat cushion supported on the supporting frame, a backrest frame connected to and extending obliquely upward from the seat cushion connecting rod, a pivot seat connected pivotally to a top end of the backrest frame, and a backrest fixed to the pivot seat.