Patent ID: 7484804
Filing Date: 2009-02-03
Classification: A47C

Abstract:
1. A folding seat comprising a seat proper, a seat back, and a hinge device mounted on a stand, said seat back and said seat proper being moveable between a folded-away position, and an in-use position, wherein said seat includes: a first link secured to the seat proper and mounted to pivot relative to the stand and to the seat back respectively about a first pivot axis located on the stand and about a second pivot axis located on the seat back at a fixed distance from the first pivot axis; and a second link mounted to pivot relative to the stand and to the seat back respectively about a third pivot axis located on the stand and about a fourth pivot axis located on the seat back at a fixed distance from the third pivot axis, wherein the first pivot axis is located a fixed distance from the third pivot axis and the second pivot axis is located a fixed distance from the fourth pivot axis such that the first, second, third, and fourth pivot axes form a deformable quadrilateral with four sides having a fixed length, arranged so that moving the seat proper towards its in-use position causes the seat back to move upwards and to be inclined rearwards so as to dispose the seat in its in-use position.