Patent ID: 8041202

Claim:
A driving device comprising: a fixed section; a holding member; a driving section disposed at the fixed section and having a driving shaft; a first movable body having a bearing section friction-coupled with the driving shaft; a second movable body formed as a body separate from the first movable body and capable of moving in conjunction with the first movable body although not secured to the first moving body; and support means for supporting the second movable body with the fixed section and the holding member so as to allow the first movable body and the second movable body to move in a predetermined plane, wherein the second movable body is disposed between the fixed section and the first movable body and the first movable body is disposed between the holding member and the second movable body and wherein, with the fixed section, the holding member, the first movable body and the second movable body operably connected together, a first ball bearing, a second ball bearing and a third ball bearing are disposed between and in contact with the fixed section and the second movable body, a fourth bearing is disposed between and in contact with the first movable body and the second movable body, a fifth ball bearing is disposed between and in contact with the holding member and the second movable body and a sixth ball bearing is disposed between and in contact with the holding member and the first movable body.