Patent ID: 8316388

Claim:
A shaft supporting structure including a base provided with a bearing, and a shaft arranged at the bearing, the shaft supporting structure comprising: a coil spring including a coil section fitted on the shaft, and a first arm section and a second arm section extending from both ends of the coil section, respectively, wherein the base includes a first engagement section, and a second engagement section for engaging with the first arm section, and the second arm section of the coil spring, respectively, the coil spring presses the shaft onto the bearing in a radial direction of the shaft by an elastic force generated by engagement between the first arm section and the first engagement section of the base, and engagement between the second arm section and the second engagement section of the base, and a portion of the second arm section faces an axial end face of the shaft to restrict axial movement of the shaft by abutting the axial end face of the shaft.