Seat for a motor vehicle, and motor vehicle equipped with this seat

Abstract

A front seat for a motor vehicle comprises a seat frame ( 10 ) and backrest frame ( 11 ), lower fixing means ( 12, 13 ) for rigidly fixing the backrest frame to a lower structural element ( 2 ) of a passenger compartment, and upper fixing means ( 15 ) for rigidly fixing an upper part of the backrest frame to an upper structural element ( 17 ) of a passenger compartment.

1 . A front seat for a motor vehicle, said seat comprising: 
 a backrest frame,    lower fixing means for rigidly fixing the backrest frame to a lower structural element of a passenger compartment, and    upper fixing means for rigidly fixing an upper part of the backrest frame to an upper structural element of a passenger compartment.    
   
   
       2 . The seat as claimed in  claim 1 , wherein the backrest frame and the lower and upper fixing means are suitable for forming means for rigidifying a passenger compartment structure of a vehicle.  
   
   
       3 . The seat as claimed in  claim 1 , further comprising backrest upholstery mounted vertically mobile on the backrest frame.  
   
   
       4 . The seat as claimed in  claim 1 , further comprising a cushion frame vertically displaceable relative to the backrest frame.  
   
   
       5 . The seat as claimed in  claim 1 , further comprising a cushion frame mobile in rotation along a horizontal axis relative to the backrest frame.  
   
   
       6 . The seat as claimed in  claim 1 , further comprising a cushion frame rigidly fixed to the backrest frame 
 wherein the lower fixing means rigidly connect a cushion frame to a lower structural element of a passenger compartment, the cushion frame, the backrest frame and the lower and upper fixing means being suitable for forming means for rigidifying a passenger compartment structure of the vehicle.    
   
   
       7 . The seat as claimed in  claim 6 , wherein the cushion and backrest frames are formed integrally.  
   
   
       8 . The seat as claimed in  claim 6 , wherein the lower fixing means comprise a single leg supporting the cushion frame, said leg able to be rigidly fixed to a lower structural element of the passenger compartment.  
   
   
       9 . The seat as claimed in  claim 1 , wherein the upper fixing means comprise at least one upper arm extending from an upper part of the backrest frame and able to be rigidly fixed on the opposing side to an upper structural element of the passenger compartment.  
   
   
       10 . The seat as claimed in  claim 1 , comprising at least three fixing points for a seat belt.  
   
   
       11 . A motor vehicle comprising at least one seat as claimed in  claim 1 .  
   
   
       12 . The vehicle as claimed in  claim 11 , wherein the lower fixing means are rigidly fixed to lower cross-members, to a lower central beam, to a lower side member and/or a lower portion of a pillar of the vehicle structure.  
   
   
       13 . The vehicle as claimed in  claim 11 , wherein the upper fixing means are rigidly fixed to an upper cross-member, to an upper central beam, to an upper side member and/or to a lower portion of a pillar of the vehicle structure.  
   
   
       14 . The vehicle as claimed in  claim 11 , further comprising a control unit mobile along a longitudinal axis relative to the seat.