Patent ID: 8783770
Filing Date: 2014-07-22
Classification: A47C,A61G

Abstract:
1. A chair, comprising: a backrest having a reference point and a lower end; a seat which includes a leg support having an upper end, said upper end of said leg support being pivotally supported to said front end of said forward seat; a tilting mechanism for connecting said rear end of said rearward seat and said lower end of said backrest so that said backrest is tiltable in a backward direction from a standing posture to a tilted posture, said tilting mechanism changing a positional relation between said rear end of said rearward seat and said lower end of said backrest so that a distance between the reference point and said rearward seat is reduced from the standing posture to the tilted posture as said backrest is tilted backward; and a connection mechanism for connecting said lower end of said backrest and a part of said leg support lower than said upper end of said leg support so as to cause said leg support to swing forward as said backrest is tilted backward, wherein said tilting mechanism comprises: a first link possessing a first end fastened by a hinge to said rear end of said rearward seat, and a second end fastened by a hinge to a middle position between said lower end of said backrest and the reference point, respectively; and a second link formed longer than said first link, said second link possessing a third end fastened by a hinge to a position of said rearward seat in front of the middle position, and a fourth end fastened by a hinge to said lower end of said backrest, respectively.