Vehicle seat

1. A vehicle seat comprising:

a seat structure member which is one of a seat cushion, a seatback, a headrest and an armrest; and

a fan device installed on the seat structure member,

wherein the seat structure member includes:

a cushion material which configures an outer shape of the one of the seat cushion, the seatback, the headrest and the armrest and is configured to resiliently support an occupant;

an air flow passage which communicates a seating side of the seat structure member with a surface of the cushion material at a side different from the seating side of the seat structure member; and

a cover member which is configured to cover the air flow passage from the surface of the cushion material at the side different from the seating side of the seat structure member,

wherein the cover member is adhesively fixed to the surface of the cushion material while covering the air flow passage, and allows the air flow passage to communicate with the fan device to feed air discharged from the fan device to an occupant via the air flow passage,

wherein the cushion material is a foamed resin and provided with a recess portion which is positioned around the air flow passage, the cover member is fixed to the surface of the cushion material with an adhesive in the recess portion, and at least the recess portion is covered by a rear surface material made of cloth, and

wherein the foamed resin of the cushion material is impregnated within the rear surface material such that the rear surface material is adhered to the cushion material.

2. The vehicle seat according to claim 1 ,

wherein the recess portion is provided with a locking portion to restrict a relative movement of the adhesive with respect to the recess portion in a releasing direction.

3. The vehicle seat according to claim 1 ,

wherein the recess portion includes an opening part and a bottom part, and

wherein the recess portion includes a locking portion which protrudes from the bottom part such that a width of the bottom part is larger than that of the opening part.

4. The vehicle seat according to claim 3 ,

wherein the opening part of the recess portion has a first opening edge which is provided at a side closer to the air flow passage than a second opening edge which is provided at a side further away from the air flow passage,

wherein the locking portion is provided at the second opening edge of the recess portion.

5. A seat structure member comprising:

a cushion material which configures an outer shape of a vehicle seat and is configured to resiliently support an occupant;

an air flow passage which is formed in the cushion material to communicate a seating side of the seat structure member with a surface of the cushion material at a side of the seat structure member opposite to the seating side; and

a cover member which is configured to cover the air flow passage from the surface of the cushion material at the side of the seat structure member opposite to the seating side,

wherein the cover member is adhesively fixed to the surface of the cushion material while covering the air flow passage, and allows the air flow passage to communicate with a fan device to feed air discharged from the fan device to an occupant via the air flow passage, and

wherein the cushion material is a foamed resin and provided with a recess portion which is positioned around the air flow passage, the cover member is fixed to the surface of the cushion material with an adhesive in the recess portion, and at least the recess portion is covered by a rear surface material made of cloth, and

wherein the foamed resin of the cushion material is impregnated within the rear surface material such that the rear surface material is adhered to the cushion material.