Patent ID: 6644745
Filing Date: 2003-11-11
Classification: A47C,Y10T

Abstract:
An adjustable chair comprising:a seat; a pedestal base; an electric motor; a resistance-sensing switch configured to control power to said electric motor; a height adjustment mechanism extending between said pedestal base and said seat for electrically adjusting a height of said seat relative to said pedestal base, said height adjustment mechanism comprising a limit switch configured to limit an amount of movement of said height adjustment mechanism; a control mechanism comprising a plurality of motor-gear groups comprising at least a first motor-gear group selectively operable to electrically adjust a position of said seat relative to said pedestal base; a power kit assembly electrically coupled to said electric motor and said control mechanism for supplying power to said electric motor and said control mechanism; and a mounting assembly pivotally coupled to said control mechanism between said control mechanism and said height adjustment mechanism, said mounting assembly selectively engageable to mechanically change a position of said seat relative to said pedestal base.