Patent ID: 6318801
Filing Date: 2001-11-20
Classification: A47C

Abstract:
A structure for supporting the seat of a height-adjustable chair, the structure comprising:a leg member longitudinally disposed; anda bracket having a front engagement piece and a rear engagement piece which are disposed on front and rear sides of the leg member, respectively, with spacing larger than the thickness of the leg member, andthe bracket being vertically movable along the leg member when the bracket is inclined rearward and being fixed when the bracket is returned forward in a use state and the front and rear engagement pieces come into engagement with the leg member,wherein a frictional stopper is provided on a side face of either the leg member or the bracket, which comes into contact with a side face of the other member with a frictional action in a use state and is disengaged from the side face in a state where the front side of the bracket is lifted.