Manual seatback folding apparatus of electric seat for vehicle

A vehicle comprising:

• a vehicle body;
• a first row of seats, a second row of seats, and a third row of seats mounted in an interior of the vehicle in a front-to-rear direction of the vehicle, wherein a seat in the second row of seats is an electric seat;
• and
• a manual seatback folding apparatus coupled to the seat in the second row of seats, the manual seatback folding apparatus comprising:
• a shaft fastened to a seatback frame of the seat in the second row of seats to be simultaneously rotatable with the seatback frame, wherein a first end portion and a second end portion of the shaft are rotatably inserted into a first seat cushion side frame and a second seat cushion side frame, respectively;
• a first rotatable disk fastened to the first end portion of the shaft and rotatably arranged on an outer surface of the first seat cushion side frame, the first rotatable disk comprising a first locking recess in an outer circumferential portion thereof;
• a second rotatable disk fastened to the second end portion of the shaft and rotatably arranged on an outer surface of the second seat cushion side frame, the second rotatable disk comprising:
• a second locking recess in an outer circumferential portion thereof;
• and
• a pusher for operating a switch device protruding from an outer surface of the second rotatable disk;
• a first manual control device mounted on the outer surface of the first seat cushion side frame and detachably engaged with the first locking recess;
• a second manual control device mounted on the outer surface of the second seat cushion side frame to be connected to the first manual control device through a cable so as to work in concert with the first manual control device and detachably engaged with the second locking recess;
• and
• the switch device mounted on the outer surface of the second seat cushion side frame and configured to perform a switching operation in response to the pusher in a state in which the second rotatable disk is rotated in a folding direction.