Multi-position examination chair

A multi-position examination chair for supporting a patient and assuming sequentially a plurality of examination positions which permit a plurality of standard obstetric and gynecologic examinations to be performed upon the patient, comprising:

• base means for providing support;
• a back portion supported by and pivotally attached to said base means;
• first power means for pivotally moving said back portion into a desired position relative to said base means;
• a seat portion;
• mounting means pivotally attached to said back portion and pivotally attached to said seat portion;
• linkage means for defining a pivotally connected quadrilateral having first, second, third and fourth sides, said first side being fixed with respect to said back portion, said second side being connected to said first side and fixed with respect to said mounting means, said third side being connected to said second side, and said fourth side being connected between said third and first sides and fixed with respect to said base means;
• said linkage means causing a predetermined amount of pivotal movement of said mounting means relative to said base means in response to pivotal movement of said back portion;
• second power means for pivotally moving said seat portion into a desired position relative to said mounting means;
• a plurality of switch means, each such switch means associated with movement of said back and said seat portions from one of said examination positions to at least a next following one of said positions within said sequence;
• and
• control means, responsive to said plurality of switch means, for controlling operation of said first and second power means in accordance with at least a portion of a predetermined sequence which results in said back and said seat portions moving through the steps of said sequence of said examination positions associated with the actuated switch means.