Patent ID: 6015189
Filing Date: 2000-01-18
Classification: A61G

Abstract:
A link assembly for use in a chair having a back frame that reclines relative to a seat frame, said chair including a back support that is mounted to said back frame for linear displacement relative thereto, said assembly comprising;a frame link apparatus having a first member and a second member, said members being adapted to be connected at first and second pivot points respectively to the seat frame;a back support link apparatus that is adapted to be connected at a third pivot point to the displaceable back support;said first member and said second member connecting at fourth and fifth pivot points respectively to said back support link apparatus to facilitate linear displacement of said back support according to radial movement of said back frame relative to said seat frame; andadjustment means located on at least one of said link apparati for selectively adjusting the distance from one of said fourth or fifth pivot points to one of said first, second or third pivot points, said adjustment means facilitating adjustment of the extent of linear displacement of said back support relative to said movement of said back frame.