Vehicle seat

Patent metadata

Field	Value
Publication number	US-11833946-B2
Application number	US-202217673964-A
Country	US
Kind code	B2
Filing date	Feb 17, 2022
Priority date	Feb 18, 2021
Publication date	Dec 5, 2023
Grant date	Dec 5, 2023

Abstract

A backrest of a vehicle seat, comprising a backrest frame, comprising a first lateral flank, a second lateral flank, an upper crossmember, a lower crossmember. The backrest further comprises a seat belt anchoring means support frame, comprising two upper tubes, each extending through a separate through-hole formed in the upper crossmember, so as to extend, at least partially, above the upper crossmember, a lower tube, positioned near the lower crossmember of the backrest frame, and fixed to at least one lateral flank of the backrest frame, at least one connecting tube connecting at least one upper tube to the lower tube.

First claim

The invention claimed is:

1. A backrest of a vehicle seat, comprising a backrest frame, comprising:
a first lateral flank,
a second lateral flank,
an upper crossmember,
a lower crossmember,
wherein the upper crossmember and the lower crossmember interconnect the first lateral flank and the second lateral flank substantially in the transverse direction of the backrest, such that the backrest frame has a substantially rectangular shape,
the backrest further comprising a seat belt anchoring means support frame, configured to receive at least one anchoring means of a seat belt, and in particular an upper anchoring means of a seat belt, the seat belt anchoring means support frame comprising:
two upper tubes, substantially parallel to each other, each extending through a separate through-hole formed in the upper crossmember of the backrest frame, so as to extend, at least partially, above the upper crossmember, in the vertical direction of the backrest,
a lower tube, extending substantially in the transverse direction of the backrest, positioned near the lower crossmember of the backrest frame, and fixed to at least one lateral flank of the backrest frame,
and at least one connecting tube connecting at least one upper tube to the lower tube.

2. The backrest of claim 1 , wherein the support frame further comprises the upper anchoring means of a seat belt comprising a loop, through which a seat belt can slide, connected on the one hand to an upper tube of the seat belt anchoring means support frame and on the other hand to the backrest frame, and in particular to the first lateral flank, preferably to an outer wall of the first lateral flank, or to the second lateral flank, preferably to an outer wall of the second lateral flank, near the upper crossmember.

3. The backrest of claim 2 , wherein the upper anchoring means of a seat belt further comprises a support tube having a first longitudinal end and a second longitudinal end, the loop of the upper anchoring means being fixed to the support tube, the first longitudinal end of the support tube being fixed to the upper tube and the second longitudinal end of the support tube being fixed to the backrest frame.

4. The backrest of claim 3 , wherein the second longitudinal end of the support tube is fixed to the lateral flank among the first or second lateral flanks which is located closest, in the transverse direction of the backrest, to the upper tube to which the first longitudinal end of the support tube is fixed, the second longitudinal end of the support tube being in particular fixed to an outer wall of the lateral flank.

5. The backrest of claim 1 , wherein the two upper tubes are interconnected by a cross brace, extending substantially in the transverse direction of the backrest and positioned above the upper crossmember of the backrest frame in the vertical direction of the backrest, so as to substantially form a U.

6. The backrest ( 1 ) of claim 1 , wherein the lower tube has a first longitudinal end, a first mounting plate, in particular configured to receive a first lower lateral anchoring means of a seat belt, being fixed to the lower tube at the first longitudinal end, the first mounting plate being fixed to the first lateral flank, preferably to an inner wall of the first lateral flank, or to the second lateral flank, preferably to an inner wall of the second lateral flank, near the lower crossmember.

7. The backrest of claim 6 , wherein the lower tube has a second longitudinal end, a second mounting plate, in particular configured to receive a second lower lateral anchoring means of a seat belt, being fixed to the lower tube at the second longitudinal end, the second mounting plate being fixed to the second lateral flank, preferably to an inner wall of the second lateral flank, respectively to the first lateral flank, preferably to an inner wall of the first lateral flank, substantially facing the first mounting plate in the transverse direction of the backrest and near the lower crossmember.

8. The backrest of claim 6 , wherein the connecting tube has a first longitudinal end and a second longitudinal end, the first longitudinal end of the connecting tube being connected to an upper tube and the second longitudinal end of the connecting tube being connected to the lower tube, preferably near its first longitudinal end or its second longitudinal end.

9. The backrest of claim 8 , wherein the first longitudinal end of the connecting tube is connected to the upper tube furthest from the first longitudinal end of the lower tube, and the second longitudinal end of the connecting tube is connected to the first longitudinal end of the lower tube.

10. The backrest of claim 8 , wherein the first longitudinal end of the connecting tube is connected to the upper tube furthest from the second longitudinal end of the lower tube, and the second end longitudinal of the connecting tube is connected to the second longitudinal end of the lower tube, the connecting tube having at least one portion that is inclined relative to the upper tube and to the lower tube.

11. The backrest of claim 7 , wherein the connecting tube comprises:
an upper portion extending substantially in the transverse direction of the backrest near the upper crossmember of the backrest frame, and to which the two upper tubes are directly fixed,
a first lateral portion connected to the lower tube near its first longitudinal end,
a second lateral portion connected to the lower tube near its second longitudinal end,
and wherein the upper portion interconnects the first lateral portion and the second lateral portion.

12. The backrest of claim 11 , wherein the first lateral portion of the connecting tube is substantially parallel to the second lateral portion of the connecting tube, such that the upper portion, the first lateral portion, and the second lateral portion substantially form a U.

13. A vehicle seat comprising the backrest of claim 1 .

14. A motor vehicle, and in particular a motor vehicle of the heavy vehicle type, comprising to the seat of claim 13 .

15. A method for manufacturing the backrest of claim 1 , comprising:
/a/ providing the backrest frame;
/b/ providing the support frame; and
/c/ assembling the backrest frame and the support frame.

16. The method of claim 15 , wherein, during/b/, the upper tubes and/or the lower tube and/or the connecting tube can be provided not connected to one another, the upper tubes and/or the lower tube and/or the connecting tube being assembled separately to the backrest frame before being assembled together.

Assignees

• Faurecia Sieges Dautomobile

Inventors

• Pinto Frédéric
• Mallet-Da Costa Anne-Isabelle
• CANTELEUX JOëL

Classifications

• B60N2/682 Primary

  Joining means · CPC title

• B60N2/64

  Back-rests {or cushions (B60N2/2222 takes precedence)} · CPC title

• B60N2/688

  Particular seat belt attachment and guiding · CPC title

• B60N2/68 Primary

  Seat frames · CPC title

• B60N2/4256 Primary

  the shape of the seat being specially adapted for a particular purpose or for particular vehicles · CPC title