Seat apparatus

Abstract

A seat apparatus includes: a seat cushion provided in a vehicle; a seat back pivotably joined to the seat cushion, the seat back capable of being folded forward so as to be superposed on the seat cushion; a seat storage unit in which the seat cushion and the seat back are stored in a folded state; and a headrest attached to the seat back via a pivotable member, the headrest capable of being stored in a clearance defined between a back supporting surface of the seat back and a sitting surface of the seat cushion when the seat cushion and the seat back are folded.

1 . A seat apparatus comprising: 
 a seat cushion provided in a vehicle;    a seat back pivotably joined to the seat cushion, the seat back capable of being folded forward so as to be superposed on the seat cushion;    a seat storage unit in which the seat cushion and the seat back are stored in a folded state; and    a headrest attached to the seat back via a pivotable member, the headrest capable of being stored in a clearance defined between a back supporting surface of the seat back and a sitting surface of the seat cushion when the seat cushion and the seat back are folded.    
     
     
         2 . The seat apparatus according to  claim 1 , wherein the pivotable member enables the headrest to rotate to be superposed on the back supporting surface of the seat back.  
     
     
         3 . The seat apparatus according to  claim 2 , wherein the headrest is pivotably supported by the pivotable member in a position ahead of an anteroposterior center of the headrest.  
     
     
         4 . The seat apparatus according to  claim 3 , wherein the seat cushion and the seat back are swung and stored in the seat storage unit provided in the floor of the vehicle with the headrest stored in the clearance.  
     
     
         5 . The seat apparatus according to  claim 3 , wherein the seat cushion and the seat back are rotated and stored in the seat storage unit provided in the floor of the vehicle with the headrest stored in the clearance.  
     
     
         6 . The seat apparatus according to  claim 2 , wherein the seat cushion and the seat back are swung and stored in the seat storage unit provided in the floor of the vehicle with the headrest stored in the clearance.  
     
     
         7 . The seat apparatus according to  claim 2 , wherein the seat cushion and the seat back are rotated and stored in the seat storage unit provided in the floor of the vehicle with the headrest stored in the clearance.  
     
     
         8 . The seat apparatus according to  claim 1 , wherein the headrest is pivotably supported by the pivotable member in a position ahead of an anteroposterior center of the headrest.  
     
     
         9 . The seat apparatus according to  claim 8 , wherein the seat cushion and the seat back are swung and stored in the seat storage unit provided in the floor of the vehicle with the headrest stored in the clearance.  
     
     
         10 . The seat apparatus according to  claim 8 , wherein the seat cushion and the seat back are rotated and stored in the seat storage unit provided in the floor of the vehicle with the headrest stored in the clearance.  
     
     
         11 . The seat apparatus according to  claim 1 , wherein the seat cushion and the seat back are swung and stored in the seat storage unit provided in the floor of the vehicle with the headrest stored in the clearance.  
     
     
         12 . The seat apparatus according to  claim 1 , wherein the seat cushion and the seat back are rotated and stored in the seat storage unit provided in the floor of the vehicle with the headrest stored in the clearance.