Back structure of aircraft seat, has back-rest transverse extension in mounted state of uprising unit facing away upper portion has value less than certain percentage of value in mounted state of uprising unit assigning lower portion

摘要

The aircraft seat back has an uprising unit (12a) that is mounted in a mounted state through a back-rest transverse extension (14a). The back-rest transverse extension in the mounted state of the uprising unit facing away an upper portion (16a) has a value of less than 80% of a value in the mounted state of the uprising unit assigning the lower portion (40a). A back frame (20a) is provided for defining the transverse extension of the backrest. The upper portion is provided with a bend.