force measuring sensor structure movable with the shaft having a first end and a second end, between the said and the first end portion along the axis a second end a meson provided, a first elastic member provided between said intermediate element and said first end along said axis, along said axis and said second end and said intermediate element a second elastic member provided between the, is connected to the intermediate element, and a linear potentiometer for detecting a one-dimensional position of the intermediate element along said axis, said first and second elastic member, while supporting the intermediate element, relative to said intermediate element, a possible application of a load in a direction opposite to each other in the one-dimensional direction along said axis, by the linear potentiometer, said intermediate element along said axis by detecting the position of the one-dimensional direction of measuring the force that is applied to the intermediate element.力計測センサ構造は、第1の端部と第2の端部とを有する軸と、前記軸に沿って前記第1の端部と前記第2の端部との間を移動可能に設けられた中間子と、前記軸に沿って前記第1の端部と前記中間子との間に設けられた第1の弾性部材と、前記軸に沿って前記第2の端部と前記中間子との間に設けられた第2の弾性部材と、前記中間子と接続され、前記軸に沿った前記中間子の一次元方向の位置を検出するリニアポテンショメータと、を備え、前記第1及び第2の弾性部材は、前記中間子を支持すると共に、前記中間子に対して、前記軸に沿った一次元方向の互いに対向する方向に負荷を印加可能であって、前記リニアポテンショメータによって、前記軸に沿った前記中間子の一次元方向の位置を検出して前記中間子に加わっている力を計測する。
