A massaging chair comprises a seat, a reclining backrest, and an arm therapy device, wherein the arm therapy device is disposed on left side and right side of the massaging chair. The seat can be sat on. The reclining backrest can tilt. The arm therapy device is used to free medical treatment for user’s arm. The massaging chair further comprises a seat rail and an arm rail. The seat rail is disposed on left side and right side of a base frame for supporting a seat frame. The seat frame is taken for framework of the seat. The arm rail supports an arm supporting body move in front and behind. The arm supporting body is taken for framework of the arm therapy device. The seat frame is linked to a backrest frame, when the backrest frame moved to the back side of the massaging chair, the seat frame moved to the front side of the massaging chair. The backrest frame is take for framework of reclining backrest. An interclocking device is disposed between the seat frame and the arm supporting body, when the seat frame moved to the front side of the massaging chair, the interclocking device converted the forward movement of the seat frame to the backward movement of the arm supporting body.一種按摩椅包含座部、背墊部和位於按摩椅左右兩側的手臂施療部。座部供人體就坐,背墊部可向後傾斜,手臂施療部用於對手臂進行施療,按摩椅還包含座椅滑軌部及手臂滑軌部。座椅滑軌部設於基台框架左右兩側的上端部以支撐作為座部其骨架的座椅框架。手臂滑軌部前後移動地支撐作為手臂施療部其骨架的手臂支撐體。座椅框架與作為背墊部其骨架的背墊框架連結,使座椅框架隨著背墊框架的向後移動而向前移動。座椅框架與手臂支撐體之間設有一連動機構,當座椅框架向前移動時,連動機構將座椅框架向前移動的動作變換為手臂支撐體向後移動的動作。11‧‧‧按摩椅17‧‧‧後躺用伸縮機構18‧‧‧腳部抬升用伸縮機構21‧‧‧基台框架22‧‧‧基底材23‧‧‧垂直材24‧‧‧橫架材25‧‧‧座椅滑軌部25a、26a‧‧‧移動溝25b、26d‧‧‧開口26‧‧‧手臂滑軌部26b‧‧‧底板26c‧‧‧側板27‧‧‧補強元件28‧‧‧間隙31‧‧‧座椅框架32、62‧‧‧移動體33、34‧‧‧橫架體33a‧‧‧橫架元件33b‧‧‧橫架板33c‧‧‧腳部支撐體連結部33d、33e‧‧‧連結部34a‧‧‧固定部34b‧‧‧垂下部34c‧‧‧橫架部34d‧‧‧延設部34e‧‧‧轉軸部61‧‧‧手臂支撐體62b‧‧‧限位銷63‧‧‧手臂承載部64a‧‧‧上部連結桿64b‧‧‧傾斜桿64c‧‧‧下部連結桿
