Patent ID: 6213556
Filing Date: 2001-04-10
Classification: A47C

Abstract:
An arm mounted on a chair comprising:an elongate hollow rail member open to the front including a lengthwise groove,a horizontal divider on the inside for dividing the interior space into an upper anda lower portions, a recess in the front end of the divider, an elongate trough in the bottom of the rail member;an elongated sliding member received in the lower portion of the rail member including a bearing at the front end being moveable in the recess and a thumbscrew passed through the trough to secure to the bottom of the sliding member for defining the sliding member to move in the length of the trough;a first pivot plate deposed in the upper portion of the rail member with the inner end pivotably secured to the sliding member by the bearing;a second pivot plate pivotably secured to the outer end of the first pivot plate;and an arm pad supported by the second pivot plate;whereby the arm pad is capable of moving and pivoting with respect to the chair as the sliding member moves in cooperation with the rotation of the first pivot plate relative to the sliding member and the second pivot plate.