Patent ID: 9731830
Date: 2017-08-15
CPC Classifications: B64D

Claim:
1. A reclining mechanism for an aircraft passenger seat comprising: a pair of spreaders as a frame body fixed to a floor surface of an aircraft and supporting both side portions of a structural member of a seat; a seat back frame comprising link arms provided on both side portions of the seat back frame, the link arms comprising two cam followers mounted on each link arm and engaged with a cam groove formed on each of the spreaders, the seat back frame constituting a back rest; a head rest frame mounted pivotably on an upper end portion of the seat back frame; a link plate operating the head rest frame mounted on both sides of the seat back frame; a seat bottom frame constituting a seat surface; an eccentric cam supporting a lower surface of the seat bottom frame; a linear-motion-type actuator arranged on a lower side of the seat bottom frame; and a mechanism connecting a rod of the actuator and the link arms, wherein in a case where the link arms pivot forward along with the expansion of the rod of the actuator, the seat back frame starts reclining, and the link plates mounted on both sides of the seat back frame pivot an upper end of the head rest frame frontward.