PROBLEM TO BE SOLVED: To provide a chair for dental treatment which is gentle for an aged person, a physically impaired person or the like and in which respective parts can be adjusted to be matched with a body shape.SOLUTION: The front folding type of a legrest 3 and the contour type thereof can be shared in one chair for dental treatment, so that the features of both the easiness of getting on and off by the front folding type and excellent comfortableness when sleeping by the contour type are obtained. Further, by adjusting a gap generated between the lower end of a backrest 1 and the rear end of a contour sheet 2 by the body shape of a patient or the like, the comfortableness during sleeping is improved and head shift generated during the backward tilting operation of the backrest 1 is eliminated. Also, by making a seat surface possible to tilt forward and turning the legrest 3 to the back surface side of the contour sheet 2, getting on and off is facilitated.COPYRIGHT: (C)2008,JPO&INPIT【課題】老人や身体具愚者などに優しく、かつ体形に合わせて各部の調整ができる歯科治療用椅子を提供する。【解決手段】レッグレスト3の前折れ式とカンター式とを1台の歯科治療用椅子にて共用できるようにすることにより前折れ式による乗降の容易さ、カンター式による寝心地の良さの両者の特徴が得られる。更にバックレスト1の下端とコンターシート2の後端との間に生じる隙間を患者の体形などによって調整することにより寝心地をよくすると共にバックレスト1の後傾作動中に生じる頭ずれをなくし、また座面を前傾可能にし、かつレッグレスト3をコンターシート2の裏面側まで回動することにより乗降を容易にする。【選択図】図1
