SEAT WITH AT LEAST ONE COMPOSITE STRUCTURE SEAT

Abstract

The invention relates to a seat (15) comprising: - a seat structure (16) including: - legs (17) having fasteners (18) for fixing to rails, - at least two arms (20), - at least one backrest (19) fixed to the arms (20), - at least two structural seat elements (23) made of a composite material, - said structural seat elements (23) being inserted inside openings (24) made in the arms (20), so that the structural seat elements (23) have a structural function, - said structural seat elements (23) each having an upper face (25) forming at least a portion of a seating surface on which a passenger can sit, so that the structural seat elements (23) also have a seating function. Figure for the abstract: Figure 2

Claims

Demands

1. Seat (15) comprising: - a seat structure (16) comprising: - legs (17) having fasteners (18) intended to be fixed to rails, - at least two arms (20), - at least one backrest (19) fixed to the arms (20), characterized in that said seat (15) comprises at least two structural seating elements (23) made of a composite material, - said structural seating elements (23) being inserted inside passage openings (24) made in the arms (20), so that the structural seating elements (23) have a structural function, - said structural seating elements (23) each having an upper face (25) forming at least a portion of a seating surface on which a passenger can sit, so that the structural seating elements (23) also have a seating function.

2. Seat according to claim 1, characterized in that the structural seating elements (23) are made up of seating tubes (30) spaced apart from each other by a gap of less than 40mm, preferably less than 30mm.

3. Seat according to claim 2, characterized in that a joint (31) is provided between an external periphery of a seat tube (30) and an internal periphery of a passage opening (24) of a seat tube (30) made in a corresponding crook (20).

4. Seat according to claim 2 or 3, characterized in that it comprises at least one fastening member (34) inserted inside a fastening hole (35) made in the butt (20) and a fastening hole (36) made in a corresponding seat tube (30).

5. Seat according to any one of claims 2 to 4, characterized in that a hollow section of a seat tube (30) is selected from: a round section, a rectangular section, a U-shaped section, an I-shaped section, an L-shaped section.

6. Seat according to any one of claims 2 to 5, characterized in that it comprises a front group (39) of two seat tubes (30) and a rear group (40) of two seat tubes (30) having a rectangular section.

7. Seat according to claim 6, characterized in that one of the seat tubes (30) of each group (39, 40) has a vertical orientation and the other seat tube of each group (39, 40) has a horizontal orientation.

8. Seat according to claim 1, characterized in that the structural seating elements (23) are made up of at least two hollow seating panels (41) made of a composite material assembled side by side with each other in the direction of their width.

9. Seat according to claim 8, characterized in that one of the seat panels (41) has at least one male coupling element (43) capable of cooperating with a female coupling element (44) of complementary shape made in the other seat panel (41).

10. Seat according to claim 9, characterized in that the male coupling element (43) and the female coupling element (44) are able to cooperate by sliding along a length of the seat panels (41).

11. Seat according to any one of claims 1 to 10, characterized in that a cushion covers all of the structural seating elements (23).

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