PROBLEM TO BE SOLVED: To provide a low-cost and high-durability pressure-measuring apparatus capable of being housed inside a low-level space.SOLUTION: The pressure measuring apparatus includes a base part having a support surface a movable member having a pressure sensor a rod-like member in which a screw is formed in its surface a driving means for driving the axial rotation of the rod-like member a first slide member helically engaged with the rod-like member and movable along the support surface in one axial direction by the axial rotation of the rod-like member in one direction a second slide member helically engaged with the rod-like member, at a position separated from the first slide member and movable along the support surface in the other axial direction by the axial rotation of the rod-like member in one direction a first lift member having one end part oscillation-freely connected to the first slide member and the other end part oscillation-freely connected to the movable member and a second lift member with one end part oscillation-freely connected to the second slide member, and the other end part oscillation-freely connected to the movable member.COPYRIGHT: (C)2011,JPO&INPIT【課題】高さの低い空間内に収納可能であり、低コストで、且つ耐久性の高い圧力測定装置を提供する。【解決手段】本発明に係る圧力測定装置は、支持面を有する基部と、圧力センサを有する可動部材と、表面にネジが形成された棒状部材と、棒状部材を軸周りに回転駆動する駆動手段と、棒状部材に螺合し、この棒状部材の軸周りの一方向の回転により軸方向の一方に、支持面に沿って移動可能な第1スライド部材と、第1スライド部材から離れた位置で棒状部材に螺合し、当該棒状部材の軸周りの一方向の回転により軸方向の他方に、支持面に沿って移動可能な第2スライド部材と、一端部が第1スライド部材に揺動自在に連結されるとともに、他端部が前記可動部材に揺動自在に連結された第1リフト部材と、一端部が第2スライド部材に揺動自在に連結されるとともに、他端部が可動部材に揺動自在に連結された第2リフト部材と、を備えている。【選択図】図8