Abstract: A passenger seat for a vehicle includes a seat bottom and a seat back mounted to a frame. The passenger seat includes at least one storage feature. One of the storage features may be a storage unit positioned underneath the seat bottom which is moveable between a first position in which the unit is readily accessible by a seated passenger, and a second position in which the unit is held upright or against a lower side of the seat bottom to reduce the intrusion of the unit into the under-seat space. Another storage feature may be a recess formed in the upper part of the seat bottom. The recess is covered by a moveable lid which forms part of the seating surface when closed.

Abstract: A passenger seat includes a frame, a bottom, a back, and a headrest, and incorporates a cylindrical motion support member. The support member includes a stationary member carried by the passenger seat, including a concave surface having a cylindrical curvature. A moveable member has a convex surface with a cylindrical curvature disposed in contact with the concave surface, and a support surface for supporting at least a part of a passenger's body The moveable member is selectively positionable along the concave surface. In another variation, the seat back and/or seat bottom is moveable in a conical motion.

Abstract: A passenger seat includes a frame, a bottom, a back, and a headrest, and incorporates a cylindrical motion support member. The support member includes a stationary member carried by the passenger seat, including a concave surface having a cylindrical curvature. A moveable member has a convex surface with a cylindrical curvature disposed in contact with the concave surface, and a support surface for supporting at least a part of a passenger's body The moveable member is selectively positionable along the concave surface. In another variation, the seat back and/or seat bottom is moveable in a conical motion.