Patent ID: 6176550
Filing Date: 2001-01-23
Classification: A47C,Y10T

Abstract:
An armrest construction for chairs comprising:an armrest support including a lower end constructed for attachment to a chair, an upper end, and a mounting block attached to the upper end;a pivot block pivotally mounted on the mounting block at a main pivot;first and second gears each pivotally mounted on the pivot block, the gears having intermeshing teeth at inner ends adjacent to each other such that rotation of the first gear causes the second gear to simultaneously rotate in an opposite direction, the first and second gears further having outer ends on opposite edges from the inner ends; anda support plate having pivot/slide members engaging the outer ends of the first and second gears, and wherein:a selected one of said pivot block and said support plate includes a follower, and the other of said pivot block and said support plate includes a guide operably engaging the follower to guide lateral movement of the support plate along a predetermined path, the support plate being rotatable about the main pivot to adjust the angular orientation of the armrest construction and being laterally movable along continuously parallel positions to adjust a width of the armrest construction relative to the chair.