Patent ID: 6672668
Filing Date: 2004-01-06
Classification: A61G

Abstract:
An examination chair, especially for gynecological and urological examinations, including:a chair part with a seat and a backrest; a support column having a column head being vertically adjustable by an adjusting drive wherein, the chair part is arranged on the column head, means for adjusting the seat and the backrest relative to the supporting column, wherein the backrest is both pivotally supported on the column head for movement about a horizontal first pivot axis and pivoted by a pivot drive, so that the seat is supported on the backrest for pivotal movement about a second pivot axis substantially parallel to the first pivot axis and is further connected with the backrest through a four-corner linkage including the two pivot axes, with a linkage axis fixed to the seat and a free linkage axis; whereby a link of the four-corner linkage connects the first pivot axis with the free linkage axis defining a first lever arm of a pair of lever arms in order to cooperate with a first stop fixed to the support column for establishing a fundamental position of the seat, with a second lever arm of the lever arms for adjusting the seat being designed for cooperation with a second stop on the backrest.