Patent ID: 6827402
Filing Date: 2004-12-07
Classification: A47C

Abstract:
A chair with adjustable seat depth, comprising:a seat having a rigid seat support plate and a sliding and ductile seat cushion plate having a seat cushion arranged thereon, the sliding and ductile seat cushion plate including a flexible area forming a seat trough, the rigid seat support plate having two lateral guide rails arranged thereon, the sliding and ductile seat cushion plate being provided with guide ribs configured to displace the sliding and ductile seat cushion plate on the two lateral guide rails; and a sliding improvement device positioned between the rigid seat support plate and the sliding and ductile seat cushion plate for improving sliding characteristics, wherein the sliding and ductile seat cushion plate is fastened to the rigid seat support plate by engaging sliding blocks with fastening domes of the rigid seat support plate via screws, and the sliding blocks form a stop to at least one of front and back for displacement of the sliding and ductile seat cushion plate.