Patent ID: 7866752
Filing Date: 2011-01-11
Classification: B64D

Abstract:
1. A passenger seat, an air passenger seat in particular, comprising: a seat frame, said seat frame having a support disposed in a horizontal direction; a plurality of seat separators connected to said seat frame; a plurality of back rests, each of said back rests having at least one adjustment device, each of said back rests being articulated on the seat frame between two of said seat separators and being adjustable relative to said respective seat separators; said seat frame further comprising a plurality of sitting parts, at least one of said sitting parts being pivotally connected to said seat frame between two of said seat separators wherein at least one of said sitting parts is collapsible into an approximately vertical position; said at least one adjustment device comprising a lever device and a spring element arranged on at least one of the seat separators delimiting said at least one collapsible sitting part, said lever device being pivotally connected to at least one of said plurality of said seat separators, said lever arm comprising a first lever arm connected to said spring element and a second lever arm connected to said back rest, wherein manipulation of at least one of said spring elements assist in adjustment of at least one of said back rests, said spring element reducing torque applied to the support.