Patent ID: 8687112

Claim:
An adjustment device, applied for adjusting a photosensitive element, comprising: a first platform, having at least three cavities, each of the cavities having a positioning module, and each of the positioning modules having a curved surface body and a positioning elastic element; a second platform, arranged on a side of the first platform, and having a recess corresponding to each of the curved surface bodies, and a loading support portion extended outwardly from the second platform; a third platform, arranged on the other side of the first platform, and electrically coupled to a control module, and the control module controlling the third platform to move in an axial direction, and making the first platform and the second platform move together with the third platform simultaneously; and a cover, disposed on a side of the second platform, for pressing the photosensitive element to attach onto the second platform closely; wherein, when the loading support portion of the second platform is push by an external force, the second platform moves in the axial direction to adjust an inclination angle of the photosensitive element, and each of the positioning elastic elements is stretched to keep each of the curved surface bodies in contact with each of the recesses.