Patent ID: 6974189
Filing Date: 2005-12-13
Classification: A47C

Abstract:
1. A vertically adjustable armrest assembly for a chair comprising: a support connected to said chair and extending generally in a vertical direction, said support having an open top; a structure connected to the support having a series of vertically aligned openings; a slide element for supporting an armrest disposed within said support and extending out of said open top thereof, said slide element positioned adjacent said structure with the openings, and said slide having a lateral opening; a horizontally movable block positioned in said slide element lateral opening, said block for being received selectively in said openings of said structure said block includes an opening and first and second surfaces, said opening formed through said block by said first and second surface; a rod extending generally parallel to said slide element, said rod having a handle portion and an engagement portion, said engagement portion having first and second surfaces, said first surface of said engagement portion for engaging said first surface of said block for moving said block into an opening of said structure having a series of openings and said second surface of said engagement portion for engaging said second surface of said block for moving said block out of an opening of said structure having a series of openings; and a biasing element connected to said rod for biasing said rod to a predetermined position.