Theater chair or seat with a flip-up/flip-down seat member, a reclining back member, and an automatic return

A chair, comprising:

• a chair framework;
• a backrest framework;
• a pair of oppositely disposed seat carrier chassis plates pivotally connected to said backrest framework and having a seat framework pivotally mounted upon said pair of oppositely disposed seat carrier chassis plates such that said seat framework is movable between a first seat-up position and a second seat-down position, and wherein said pair of oppositely disposed seat carrier chassis plates are movably mounted upon said chair framework so as to be movable between a first rear position, at which said backrest framework is disposed at a rear, upright position, and said seat framework, when disposed at said second seat-down position, is likewise disposed at a rear upright position at which said seat framework is disposed within a substantially horizontally plane, and a second forward position at which both said backrest framework and said seat framework are disposed at forward reclined positions;
• a first forward pair of oppositely disposed slotted housings are defined within one of a forward portion of said chair framework or forward portions of said pair of oppositely disposed seat carrier chassis plates;
• a first forward pair of oppositely disposed pins/rods are integrally connected to one of forward portions of said pair of oppositely disposed seat carrier chassis plates or said forward portion of said chair framework;
• a second rearward pair of oppositely disposed slotted housings are defined within one of a rearward portion of said chair framework or said pair of oppositely disposed portions of said backrest framework;
• a second rearward pair of oppositely disposed pins/rods are integrally connected to one of said pair of oppositely disposed portions of said backrest framework or a rearward portion of said chair framework;
• a third central pair of oppositely disposed slotted housings are defined within one of a central portion of said chair framework or said pair of oppositely disposed portions of said backrest framework;
• and
• a third central pair of oppositely disposed pins/rods are integrally connected to one of said pair of oppositely disposed portions of said backrest framework or a central portion of said chair framework;
• and
• an actuator operatively connected to said chair framework and to said backrest framework for moving said backrest framework, said pair of oppositely disposed seat carrier chassis plates, and said seat framework between said first rear upright position and said second forward reclined position.