Vehicle seat, in particular a motor vehicle seat

Abstract

A vehicle seat ( 1 ), in particular a motor vehicle seat, with at least one seat component ( 3, 3 a ) and at least one backrest ( 4, 4 a ) that can pivot relative to the seat component ( 3, 3 a ) around an axis (A), and whose backrest structure ( 8 ) is hinged on both sides on the seat component structure ( 5, 5 a ) of the seat component ( 3, 3 a ), and comprising at least one base metal sheet ( 10, 10 a ), at least one side beam ( 12 ) or side beam stub ( 58 ), and at least one upper transverse beam ( 14, 14 a ) that are connected to each other, in which the backrest structure ( 8, 8 a ) can be locked in the case of identical dimensioning according to choice by way of at least one fitting ( 23 ) in the region of the axis (A) or a backrest lock ( 24 ) on the upper end of the backrest ( 4, 4 a ).

1 . A vehicle seat, comprising:
 at least one seat component including seat component structure; and   at least one backrest that includes backrest structure and can be pivoted relative to the seat component about an axis,   wherein the backrest structure includes opposite first and second sides, and the backrest structure is pivotably connected to the seat component structure at each of the first and second sides, and   wherein the backrest structure includes at least one base metal sheet, at least one side beam component, and at least one upper transverse beam that are connected to one another, with the backrest structure being configured so that
 (a) the backrest structure is suitable for being locked by a backrest lock proximate an upper end of the backrest, and 
 (b) the backrest structure is suitable for being locked by a lockable fitting that is proximate the axis. 
   
   
   
       2 . The vehicle seat according to  claim 1 , wherein the side beam component has a profile selected from the group consisting of a C-shaped profile and an L-shaped profile. 
   
   
       3 . The vehicle seat according to  claim 1 , wherein the upper transverse beam has a top hat-shaped profile. 
   
   
       4 . The vehicle seat according to  claim 1 , wherein:
 the side beam component is selected from the group consisting of a side beam stub and a first side beam;   the backrest structure further comprises
 a second side beam, 
 a lower transverse component selected from the group consisting of a transverse beam and a transverse tube, and 
 a beam with integrated safety belt; and 
   the side beam component, the second side beam, the lower transverse component, the beam with integrated safety belt and the upper transverse beam are respectively connected to one another to form at least one four-legged continuous frame.   
   
   
       5 . The vehicle seat according to  claim 4 , wherein the beam with integrated safety belt has a top hat-shaped profile. 
   
   
       6 . The vehicle seat according to  claim 4 , wherein the transverse beam has a profile selected from the group consisting of an elliptical profile and an oval profile. 
   
   
       7 . The vehicle seat according to  claim 4 , wherein:
 the side beam component is the side beam stub,   the lower transverse component is the transverse tube, and   the transverse tube extends between, and is connected to each of, the side beam and the side beam stub.   
   
   
       8 . The vehicle seat according to  claim 4 , wherein:
 the side beam component is the first side beam, and   the first side beam and the second side beam are identical with respect to one another.   
   
   
       9 . The vehicle seat according to  claim 4 , wherein the beam with integrated safety belt is configured for accommodating a belt retractor of a safety belt. 
   
   
       10 . The vehicle seat according  claim 4 , wherein the beam with integrated belt divides the base metal sheet in a ratio of about 20:40 along the axis. 
   
   
       11 . The vehicle seat according to  claim 4 , wherein:
 the axis extends in a direction;   the base metal sheet has a width that extends in the direction of the axis; and   the upper transverse beam and the lower transverse component extend along the axis over approximately the total width of the base metal sheet.   
   
   
       12 . The vehicle seat according to  claim 1 , comprising rear feet for being connected to the vehicle structure, wherein
 the backrest is pivotable relative to the seat component about the axis by way of pivotable members,   the pivotable members are respectively mounted to the rear feet, and   a pivotable member of the pivotable members is selected from the group consisting of
 the lockable fitting that is proximate the axis, and 
 a pivot joint. 
   
   
   
       13 . The vehicle seat according to  claim 1 , wherein:
 the seat component structure comprises a seat frame;   the seat frame includes two side components, a front cross-member and a rear cross-member;   the side components, the front cross-member and the rear cross-member are respectively connected to one another; and   the side components are mirror images of one another.   
   
   
       14 . The vehicle seat according to  claim 13 , wherein at least one of the side components has a profile selected from the group consisting of a C-shaped profile and an L-shaped profile. 
   
   
       15 . The vehicle seat according to  claim 13 , wherein at least one cross-member, which is selected from the group consisting of the front cross-member and the rear cross-member, has a double top hat-shaped profile. 
   
   
       16 . The vehicle seat according to  claim 13 , wherein:
 the seat frame has a rear region, and   the rear region of the seat frame is pivotably connected to the backrest structure, whereby the backrest structure is pivotably connected to the seat component structure.   
   
   
       17 . The vehicle seat according to  claim 13 , comprising front feet for being connected to the vehicle structure, and pivotable links respectively pivotably connected to the front feet, wherein:
 the seat frame has a front region, and   the front region of the seat frame is pivotably connected to the pivotable links.   
   
   
       18 . The vehicle seat according to  claim 12 , comprising front feet for being connected to the vehicle structure, and pivotable links respectively pivotably connected to the front feet, wherein:
 the seat frame has a front region;   the front region of the seat frame is pivotably connected to the pivotable links; and   at each of opposite first and second sides of the vehicle seat, a four-bar linkage is formed by
 (a) the front foot, the rear foot, and the vehicle structure between the front foot and the rear foot, 
 (b) the backrest structure between
 (1) where the backrest structure is pivotably connected to the seat component structure and 
 (2) the pivotable member that is mounted to the rear foot and the backrest structure, 
 
 (c) the side component, and 
 (d) the rocker arm. 
   
   
   
       19 . The vehicle seat according to  claim 1 , wherein:
 an apparatus is selected from the group consisting of the seat component and the backrest;   the vehicle seat includes two of the apparatuses;   at least a first element of a first of the apparatuses is identical to at least a first element of a second of the apparatuses; and   the first elements are selected from the group consisting of side beams, side components, pivotable links, front feet and rear feet.   
   
   
       20 . The vehicle seat according to  claim 19 , wherein, along the axis, the first apparatus is sized differently than the second apparatus. 
   
   
       21 . The vehicle seat according to  claim 20 , wherein:
 at least a second element of the first of the apparatuses has a profile that is identical to a profile of at least a second element of the second of the apparatuses;   the second elements are selected from the group consisting of transverse beams; transverse tubes, and cross-members; and   the second elements have different lengths with respect to one another.   
   
   
       22 . A vehicle seat, comprising:
 at least one seat component including seat component structure; and   at least one backrest that includes backrest structure and can be pivoted relative to the seat component about an axis,   wherein the backrest structure includes at least one base metal sheet, at least one side beam component, and at least one upper transverse beam that are connected to one another, with the backrest structure being configured so that
 (a) the backrest structure is suitable for being locked by a backrest lock proximate an upper end of the backrest, and 
 (b) the backrest structure is suitable for being locked by a lockable fitting that is proximate the axis. 
   
   
   
       22 . The vehicle seat according to  claim 22 , including the lockable fitting, wherein the lockable fitting is proximate the axis and mounted to the backrest structure for at least partially the backrest structure to be pivoted relative to the seat component about the axis.