Seat cushion, and seat apparatus provided with such a seat cushion

• US 20040216236A1
• Filed: 02/10/2004
• Published: 11/04/2004
• Est. Priority Date: 02/10/2003
• Status: Abandoned Application

• Current Assignee: Recticel Nederland BV
• Original Assignee: Recticel Nederland BV
• Inventors: Heijs, John Willem Herman, Lievestro, Robert
• Application Number:
  US10/776,018
• Publication Number:
  US 20040216236A1
• Time in Patent Office: Days
• US Class Current: 5/655.9
• CPC Class Codes: A47C 7/18 having foamed material included in cushioning part foamed material mattresses A47C27/14
• CPC Class Codes: B60N 2/7005 detachable
• CPC Class Codes: B64D 11/06 Arrangements of seats, or adaptations or details specially adapted for aircraft seats crew seat constructions for emergency purposes B64D25/04
• CPC Class Codes: B64D 11/0647 Seats characterised by special upholstery or cushioning features
• CPC Class Codes: B64D 11/0649 Seats characterised by special features for reducing weight

Abstract

A seat cushion, in particular for an aircraft seat, provided with:

a first foam body (2);

a second foam body (3) extending below the first foam body (2);

detachable connecting means (7, 8) to connect the first foam body (2) to the second foam body (3);

wherein the first foam body is provided with a covering (5) which is fixedly connected to this first foam body (2).

Claims

1. A seat cushion, in particular for an aircraft seat, provided with:

a first foam body;

a second foam body extending below the first foam body;

detachable connecting means to connect the first foam body to the second foam body;

wherein the first foam body is provided with a covering which is fixedly connected to this first foam body.

2. A seat cushion according to claim 1, wherein the covering is connected to at least an upper surface of the first foam body.

3. A seat cushion according to claim 1, wherein the covering is glued to the first foam body.

4. A seat cushion according to claim 1, wherein the first and second foam body are detachably connected to each other by Velcro connections.

5. A seat cushion according to claim 1, wherein the covering comprises a fire-retardant material.

6. A seat cushion according to claim 1, wherein the said covering comprises glass fiber.

7. A seat cushion according to claim 1, wherein the second foam body is also provided with a covering, wherein the covering of the second foam body preferably comprises a fire-retardant material, wherein the covering of the second foam body preferably comprises glass fiber.

8. A seat cushion according to claim 1, wherein the seat cushion is arranged to be detachably placed on a seat apparatus, in particular a seat and/or couch.

9. A seat cushion according to claim 1, wherein the covering is provided with at least a part of the said detachable connecting means.

10. A seat cushion according to claim 9, wherein the first and second foam body are detachably connectable to each other only via the covering.

11. A seat cushion according to claim 9, wherein the second foam body is arranged, near respective bottom edges, to be detachably connected to the covering.

12. A seat cushion according to claim 1, wherein the covering is provided with an upper covering part, a lower covering part extending opposite it, and side flaps extending between the upper and lower covering part.

13. A seat cushion according to claim 1, wherein the covering and the upper foam body bound an inner space in which the second foam body is receivable.

14. A seat cushion according to claim 13, wherein the lower covering part is provided with an opening offering access to the said inner space.

15. A seat cushion according to claim 1, wherein at least a part of the seat cushion comprises relatively lightweight, fire-retardant foam material.

16. A seat cushion according to claim 15, wherein said fire-retardant foam material has an average density which is lower than approximately 0.1 gram/cm³, more in particular lower than approximately 0.02 gram/cm³.

17. A seat cushion according to claim 15, wherein said fire-retardant foam material comprises melamine foam.

18. A seat cushion according to claims 15, wherein the said fire-retardant foam material is received in a cavity between said first and second foam body.

19. A seat apparatus, in particular a chair and/or couch, more in particular an aircraft seat, provided with a seat cushion according to claim 1.

20. A vehicle, vessel and/or aircraft, provided with a seat apparatus according to claim 19.

21. A seat cushion according to claim 2, wherein:

the covering is glued to the first foam body;

the first and second foam body are detachably connected to each other by Velcro connections;

the covering comprises a fire-retardant material;

the said covering comprises glass fiber;

the second foam body is also provided with a covering, wherein the covering of the second foam body preferably comprises a fire-retardant material, wherein the covering of the second foam body preferably comprises glass fiber;

the seat cushion is arranged to be detachably placed on a seat apparatus, in particular a seat and/or couch;

the covering is provided with at least a part of the said detachable connecting means;

the first and second foam body are detachably connectable to each other only via the covering;

the second foam body is arranged, near respective bottom edges, to be detachably connected to the covering;

the covering is provided with an upper covering part, a lower covering part extending opposite it, and side flaps extending between the upper and lower covering part;

the covering and the upper foam body bound an inner space in which the second foam body is receivable;

the lower covering part is provided with an opening offering access to the said inner space;

at least a part of the seat cushion comprises relatively lightweight, fire-retardant foam material;

said fire-retardant foam material has an average density which is lower than approximately 0.1 gram/cm³, more in particular lower than approximately 0.02 gram/cm³;

said fire-retardant foam material comprises melamine foam;

the said fire-retardant foam material is received in a cavity between said first and second foam body.

22. A seat apparatus, in particular a chair and/or couch, more in particular an aircraft seat, provided with a seat cushion according to claim 21.

23. A vehicle, vessel and/or aircraft, provided with a seat apparatus according to claim 22.