Examination chair

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.