BED MODE MECHANISM FOR AIRCRAFT PASSENGER SEAT

摘要

An aircraft passenger seat (100) has a seat bottom frame (150), and the seat bottom frame (150) is supported by an eccentric cam (210). A seat back frame (170) which rotates about a support point (250) is provided with a damper mechanism (300). When the seat back frame (170) is tilted forward from an upright position about the support point (250), a gas damper (310) is compressed and prevents rapid tilting. This energy assists force for returning the seat back to the upright position. The eccentric cam (210) rotates and lowers the seat bottom frame (150) so as to prevent cushions from being collapsed. A lock mechanism (400) highly rigidly retains the seat back frame at a bed mode position.

主权项

1. A bed mode mechanism for an aircraft passenger seat comprising:
a frame fixed to a floor surface of an aircraft and supporting both side portions of a structural member of a seat; a seat bottom frame comprising a rear portion supported by a support point on the frame; an eccentric cam supporting a lower surface of the seat bottom frame; a seat back frame comprising a lower portion supported by a support point on the frame; a head rest frame connected to an upper portion of the seat back frame; a lock mechanism locking the seat back frame at an upright position where the seat back frame is positioned upright and a bed mode position where the seat back position is tilted forward; and a damper mechanism provided on both side portions of the seat back frame, wherein a damper unit configuring the damper mechanism is compressed and stores energy by an operation where the seat back frame is tilted from the upright position to the bed mode position, and assists a force when returning the seat back frame to the upright position.