Patent ID: 7472957
Filing Date: 2009-01-06
Classification: B60N,B64D

Abstract:
1. A seat having a reclinable back-rest, said seat comprising: a fixed supporting portion adapted for supporting the seat off a floor; a seat portion comprising a reclinable back-rest and a seat connecting device adapted for connecting said seat portion to said supporting portion, said connecting device including a back-rest reclining mechanism adapted for allowing and controlling movement of said back-rest between a first upright position and a second fully reclined position; wherein said back-rest comprises a first lower back-rest member having an upper end and a second upper back-rest member that is superposed to said first back-rest member and pivotably coupled to the upper end thereof so as to transmit translational movement therebetween, said back-rest reclining mechanism comprises first and second elongate guide tracks attached to the supporting portion or a part connected thereto, said first track having two opposing track-ends, a plurality of first spaced track-engaging follower members attached to said first back-rest member adapted to engage and slide in one of said tracks and a second track-engaging follower member coupled to said second back-rest member or a part connected thereto, said first track being curvilinear such that as the first track-engaging follower members slide along said first track from one end to the other, said first back-rest member is caused to rock progressively relative to said supporting portion between said first upright position and said second fully reclined position, and said second track having a profile such that as said second track-engaging follower member is caused to slide along said second track, said second back-rest member is caused to rock progressively with respect to said first back-rest member.