TRANSFORMED CHAIR MAINLY OF INDIVIDUAL VEHICLE Russian patent published in 2003 - IPC

FIELD: chairs mainly relating to electrically driven chairs for persons with limited physical potentialities and transformable for vertical adjustment of user. SUBSTANCE: chair has electric drives for changing its configuration by independent in general case turning of seat and leg support. Leg supports are fastened to seat by hinges with transverse positioning of axles. Hinges are twin and located beyond general outline of vertical section of seat, seat-back and leg support. Common axles of twin hinges are combined with lateral axles of hip and knee joints of user with user location in chair with consideration of deformation of seat, seat-back and leg support. Offered chair may be used as stationary one, particularly, in lifting of surgical and dental surgical patients, where regulation of interrelated by hinges seat, seat-back and leg support is needed. EFFECT: higher ergonomic efficiency and technical and service characteristics of transformed chair due to exclusion of user's body slipping relative to chair seat-back and seat during changing chair configuration. 2 cl, 5 dwg