< Topic >The massage device which does left and right movement is offered.SolutionsPower source, the transmission gear and the multiple left and right portable devices are included. The unidirectional bearing is provided in the left and right portable device, when being reversed, revolution of the decentering cam dying fixed point transmission is done. The power which is output from power source massages, passing the transmission gear, when it is transmitted to the left and right portable device in the normal rotation, while the left and right portable device moving to left and right, turning. In addition, when it is transmitted to the left and right portable device with reversal, turning with the fixed point, you massage.< Choice figure >Drawing 2【課題】左右移動を行うマッサージ装置を提供する。【解決手段】動力源、伝動装置、複数の左右移動装置を含む。左右移動装置には単方向軸受を設け、逆転の時、偏心カムの回転なしに定点伝動を行う。動力源から出力される動力は、伝動装置を経て正転で左右移動装置に伝達されると、左右移動装置が左右に移動しながら回転してマッサージを行う。また、逆転で左右移動装置に伝達されると定点で回転してマッサージを行う。【選択図】図2