MOUNTING STRUCTURE, DETECTING DEVICE WITH LINK MECHANISM INCLUDING MOUNTING STRUCTURE, AND POSITION DETECTING DEVICE TO WHICH LINK MECHANISM IS CONNECTED

A mounting structure includes a lever (L1) that oscillates and a rod (R2) that can reciprocate, in which an arc endpoint of an arc close to a fulcrum (PP) is defined as a first arc endpoint (GA1), an arc endpoint of the arc distant from the fulcrum (PP) is defined as a second arc endpoint (GA2), a line perpendicular to a lever line segment (LJM) of the lever (L1) from the fulcrum (PP) is defined as a perpendicular line segment (VL), an angle between an intermediate line (PG3), which connects the fulcrum (PP) with an arc intermediate point (GA3), and the perpendicular line segment (VL) is defined as an intermediate angle (AN3), an angle between a first line segment (PG1), which connects the fulcrum (PP) with the first arc endpoint (GA1), and the perpendicular line segment (VL) is defined as a first angle (AN1), an angle between a second line segment (PG2), which connects the fulcrum (PP) with the second arc endpoint (GA2), and the perpendicular line segment (VL) is defined as a second angle (AN2), and the intermediate angle (AN3) is equal to or greater than a larger one of the first angle (AN1) and the second angle (AN2).