Two use the bar chair to apply for the number/patent number: 94219495 one kind may supply the dining room, the family and the financial use two uses the bar chair, by the chair place, the seat back cushion, the tray, the lead screw, straight spare part constitutions and so on column, chair foot, its characteristic will lie in the straight column to divide into 2~3 sections, between them the joint will use the taper or the thread joint, the addition puts the foot circle to become the bar stool, has not supposed puts the foot circle namely to become the bar chair, will overcome the original technology fabrication technology to be bothersome, the packing cartage expense big shortcoming, will have the easy installation, will save the cost, a chair two will use, structure novel characteristic.