Patent ID: 7857389
Filing Date: 2010-12-28
Classification: A47C

Abstract:
1. A structure for connecting members, comprising: a first member having stiffness; a second member movable relative to the first member and having stiffness; and a spring member having a first end portion connected to a rear portion of the first member and a second end portion connected to a rear portion of the second member so as to accumulate a reaction force by elastic deformation, wherein the spring member is formed into a frame shape extending along the first and second members, wherein at least a portion of the spring member is spaced from said first and second members, wherein the first member is a base body which supports a seat and a backrest of a chair, wherein the second member is a back frame including left and right frame elements and constituting at least part of the backrest of the chair, and wherein each of the left and right frame elements are capable of tilting independently relative to said base body.