DENTAL PATIENTSTOL MED EN LADFORMIG PARALLELLOGRAMBERARM

摘要

A dental patient's chair with a parallelogram supporting arm having one end linked to a base and another end carrying the seat of the chair and with an adjusting device for the height shifting of the chair. The invention is particularly characterized in that the adjusting device is a spindle drive actuated by electromotor and engaging the supporting arm preferably between two diagonally opposed link axes of the arm ends.