Vehicle seat

Patent metadata

Field	Value
Publication number	US-11999273-B2
Application number	US-202117388726-A
Country	US
Kind code	B2
Filing date	Jul 29, 2021
Priority date	Jul 31, 2020
Publication date	Jun 4, 2024
Grant date	Jun 4, 2024

Abstract

A vehicle seat comprising a base, intended to be connected to the floor of the vehicle, a seating portion frame, hinged to the base so as to pivot about a transverse axis of the seat, a backrest hinged to the base so as to pivot about the transverse axis of the seat, hinge means connecting the seating portion frame to the backrest, configured so that the pivoting of the backrest relative to the base about the transverse axis causes the pivoting of the seating portion frame relative to the base about the transverse axis. The hinge means are also configured so as to connect the seating portion frame to the floor in order to move the front edge of the seating portion frame closer to or further away from the floor, the rear edge remaining fixed relative to the base.

First claim

The invention claimed is:

1. A vehicle seat comprising:
a base, intended to be connected to the floor of the vehicle,
a seating portion frame having a front edge and a rear edge, the seating portion frame being hinged to the base at its rear edge so as to pivot about a first transverse axis of the seat between at least one raised position and one folded position,
a backrest hinged to the base so as to pivot about the first transverse axis of the seat between at least one raised position and one folded position,
wherein the seat further comprises hinge means connecting the seating portion frame to the backrest, the hinge means being configured so that the pivoting of the backrest relative to the base about the first transverse axis, between its raised position and its folded position, causes the pivoting of the seating portion frame relative to the base about the first transverse axis, between its raised position and its folded position, the backrest being pressed against the seating portion frame in their respective folded position,
the hinge means also being configured so as to connect the seating portion frame to the floor of the vehicle in order to move the front edge of the seating portion frame closer to or further away from the floor of the vehicle, the rear edge of the seating portion frame remaining not moving along a substantially longitudinal direction of the seat relative to the base.

2. The vehicle seat of claim 1 , wherein the hinge means comprises an upper connecting rod having a first longitudinal end and a second longitudinal end, the upper connecting rod being hinged at its first longitudinal end to the seating portion frame, at its front edge, so as to pivot about a second transverse axis of the seat, a lower connecting rod having a first longitudinal end and a second longitudinal end, the lower connecting rod being hinged to the second longitudinal end of the upper connecting rod at an intermediate hinge point located between its first longitudinal end and its second longitudinal end, so as to pivot about a third transverse axis of the seat, the lower connecting rod being configured to be hinged to the floor of the vehicle at its second longitudinal end, so as to pivot about a fourth transverse axis of the seat, the second longitudinal end of the lower connecting rod remaining fixed relative to the base, a side connecting rod having a first longitudinal end and a second longitudinal end, the side connecting rod being hinged at its first longitudinal end to the lower connecting rod at its first longitudinal end, so as to pivot about a fifth transverse axis of the seat, the side connecting rod also being hinged at its second longitudinal end to the backrest, so as to pivot about a sixth transverse axis of the seat.

3. The vehicle seat of claim 2 , wherein the hinge means comprise two upper connecting rods: a first upper connecting rod and a second upper connecting rod, identical and parallel to each other, and/or two lower connecting rods: a first lower connecting rod and a second lower connecting rod, identical and parallel to each other, and/or two side connecting rods: a first side connecting rod and a second side connecting rod, identical and parallel to each other.

4. The vehicle seat of claim 3 , wherein the hinge means comprise the two upper connecting rods: the first upper connecting rod and the second upper connecting rod, identical and parallel to each other, wherein the front edge and the rear edge of the seating portion frame are connected to each other by a first side edge and a second side edge, and wherein the first upper connecting rod is hinged at its first longitudinal end to the seating portion frame so as to pivot about the second transverse axis at the first side edge of the seating portion frame, and wherein the second upper connecting rod is hinged at its first longitudinal end to the seating portion frame so as to pivot about the second transverse axis at the second side edge of the seating portion frame.

5. The vehicle seat of claim 2 , wherein the backrest has a lower portion extending under the seating portion frame according to the vertical direction of the seat, at least when the backrest is in its raised position, and wherein the second longitudinal end of the-side connecting rod is hinged to the backrest along the sixth transverse axis at the lower portion of the backrest.

6. The vehicle seat of claim 3 , wherein the hinge means comprise the two side connecting rods: the first side connecting rod and the second side connecting rod, identical and parallel to each other, and wherein the backrest has two side walls: a first side wall and a second side wall, parallel to each other, and wherein the first side connecting rod is hinged at its second longitudinal end to the backrest so as to pivot about the sixth transverse axis at the first side wall of the backrest, and wherein the second side connecting rod is hinged at its second longitudinal end to the backrest so as to pivot about the sixth transverse axis at the second side wall of the backrest.

7. The vehicle seat of claim 2 , wherein the lower connecting rod is hinged at its second longitudinal end, so as to pivot about the fifth transverse axis, to a runner that anchors the seat to the floor of the vehicle.

8. The vehicle seat of claim 2 , wherein the first longitudinal end and the intermediate hinge point of the lower connecting rod are offset along the transverse direction of the seat, from the second longitudinal end of the lower connecting rod.

9. The vehicle seat of claim 1 , comprising a drive means configured to cause the pivoting of the backrest relative to the base about the first transverse axis, and simultaneously, by means of the hinge means, the pivoting of the seating portion frame relative to the base about the first transverse axis.

10. The vehicle seat of claim 9 , wherein the drive means comprises an electric motor connected to the backrest or to the rear edge of the seating portion frame, so as to cause the pivoting of the backrest relative to the base about the first transverse axis, respectively the pivoting of the seating portion frame relative to the base about the first transverse axis.

11. A vehicle comprising the vehicle seat of claim 1 .

12. The vehicle of claim 11 , wherein the vehicle seat is part of a second row of seats or a third row of seats.

Assignees

• Faurecia Sieges Dautomobile

Inventors

• Epaud David
• Rohlfing Andreas
• Tyl Lucasz

Classifications

• B60N2/3059 Primary

  along transversal axis · CPC title

• B60N2/3011

  the back-rest being hinged on the cushion, e.g. "portefeuille movement" · CPC title

• B60N2/30 Primary

  Non-dismountable {or dismountable} seats storable in a non-use position, e.g. foldable spare seats · CPC title

• B60N2/3013 Primary

  the back-rest being hinged on the vehicle frame · CPC title

• B60N2/3009

  about transversal axis · CPC title