| 主权项 |
1. A seat cushion assembly for an aircraft comprising:
a base member having a front surface and opposite side surfaces, the base member having a recess spaced from the front surface and the side surfaces, the recess having an upwardly facing lower surface including a plurality of elongated first ridges extending upward from the lower surface of the recess, each first ridge extending laterally towards the opposite side surfaces, the plurality of first ridges defining a plurality of first grooves that extend laterally towards the opposite side surfaces, the base member being formed of a first resilient foam material; a central cushion member positioned within the recess, the central cushion member having opposite side edges and a lower surface, the lower surface including a plurality of elongated second ridges extending downward from the lower surface of the seat cushion member, each second ridge extending laterally towards the opposite side edges of the central cushion member, the plurality of second ridges defining a plurality of second grooves that extend laterally towards the opposite side edges, the first ridges of the base member being positioned within and contacting the second grooves of the central cushion member and the second ridges of the central cushion member being positioned within and contacting the first grooves of the base member, the central cushion member being formed of a second resilient foam material, the first resilient foam material being more rigid than the second foam material; and at least one of the base member and the central cushion member having a plurality of laterally extending generally cylindrical openings therein. |
