Patent ID: 7893598

Claim:
A driving apparatus, comprising: a transducer which generates an elliptical vibration in a driving part when a voltage of a predetermined frequency is applied; a fixing member including a retaining part which retains the transducer; and a mobile body which is driven by the elliptical vibration of the transducer and moves with respect to the fixing member, wherein the mobile body includes a first mobile body part which is formed in a desired size and is formed of one of a resin material, aluminum, and magnesium, and a second mobile body part which has a sliding part to which the driving part is pressed and contacted, and a guide-receiving part which is provided opposite the sliding part and whose moving direction is guided in engagement with a guiding part of the fixing member, the second mobile body part being of higher rigidity, formed in a smaller size than the first mobile body part, and fixed to the first mobile body part.