Abstract: A seat structure for a passenger seat, and a passenger seat. In one embodiment, the seat structure comprises a seat pan for mounting on a frame structure of the passenger seat in a manner such that the seat pan is moveable in forward and backward directions relative to the frame independently from movement of a seat back of the passenger seat; and biasing means for biasing the seat pan in a default position.

Abstract: A headrest structure for a passenger seat, a headrest cushion and passenger seat. The headrest structure comprises an adjustable headrest frame for connection to a passenger seat; and a headrest cushion mounted to the adjustable headrest frame such that the headrest cushion is moveable relative to a seat back of the passenger seat by way of the adjustable headrest frame; wherein the headrest cushion comprises a support surface facing away from the headrest frame, the support surface comprising a concave upper part and a convex bottom part relative to the passenger seat.

Abstract: A seat pan for a passenger seat and a passenger seat. The seat pan is corrugated for partially absorbing a downward loading applied to the seat pan through deformation of a corrugation pattern of the seat pan as a result of a counter force applied by a support structure of the passenger seat.

Abstract: A support structure for attachment to a tray table for a passenger seat, a tray table for a passenger seat, and a passenger seat. The support structure comprises a support arm shaped to substantially match at least a first portion of a peripheral contour of the tray table; and a connecting structure for connecting the support arm to the tray table in a manner such that the support arm is configurable into a stowed position in which the support arm extends substantially along said at least first portion of the peripheral contour of the tray table and at least one support position for supporting an item on the tray table in an angled orientation between a surface of the item and the surface of the tray table.

Abstract: A seat leg assembly for a passenger seat includes a brace member to extend from a front end of a base frame of the passenger seat to a rear floor fitting; a front leg to extend from a front floor fitting to the brace member and connected to the brace member; a rear leg portion extending from a rear end of the base frame to the brace member; and a first joint structure connecting the rear leg portion to the brace member.

Abstract: A support structure for attachment to a tray table for a passenger seat, a tray table for a passenger seat, and a passenger seat. The support structure comprises a support arm shaped to substantially match at least a first portion of a peripheral contour of the tray table; and a connecting structure for connecting the support arm to the tray table in a manner such that the support arm is configurable into a stowed position in which the support arm extends substantially along said at least first portion of the peripheral contour of the tray table and at least one support position for supporting an item on the tray table in an angled orientation between a surface of the item and the surface of the tray table.

Abstract: A seat structure for a passenger seat, and a passenger seat. In one embodiment, the seat structure comprises a seat pan for mounting on a frame structure of the passenger seat in a manner such that the seat pan is moveable in forward and backward directions relative to the frame independently from movement of a seat back of the passenger seat; and biasing means for biasing the seat pan in a default position.

Abstract: A headrest structure for a passenger seat, a headrest cushion and passenger seat. The headrest structure comprises an adjustable headrest frame for connection to a passenger seat; and a headrest cushion mounted to the adjustable headrest frame such that the headrest cushion is moveable relative to a seat back of the passenger seat by way of the adjustable headrest frame; wherein the headrest cushion comprises a support surface facing away from the headrest frame, the support surface comprising a concave upper part and a convex bottom part relative to the passenger seat.

Abstract: A seat leg assembly for a passenger seat, a frame for a passenger seat, and a passenger seat. The seat leg assembly comprising a brace member configured to extend from a front end of a base frame of the passenger seat to a rear floor fitting; a front leg configured to extend from a front floor fitting to the brace member and connected to the brace member; a rear leg portion extending from a rear end of the base frame to the brace member; and a first joint structure connecting the rear leg portion to the brace member.

Abstract: A seat pan for a passenger seat and a passenger seat. The seat pan is corrugated for partially absorbing a downward loading applied to the seat pan through deformation of a corrugation pattern of the seat pan as a result of a counter force applied by a support structure of the passenger seat.

Abstract: A process for production of an anti-tumor agent which comprises subjecting the culture cells of the strains belonging to Streptococcus pyogenes in sequence to pasteurization treatment (the first step) and penicillin treatment (the second step), followed by a primary lyophilization (the third step) to obtain an intermediary preparation, and then subjecting the intermediary preparation to penicillin removal treatment (the fourth step), followed by a secondary lyophilization (the fifth step).