Patent ID: 7222434

Claim:
A driving device comprising: a guide rail supporting device, a guide rail supported by the guide rail supporting device, and a movable member provided on said guide rail in the state where said movable member can move along said guide rail, wherein said guide rail supporting device is for supporting the guide rail used for guiding the movable member while keeping the guide rail in a substantially fixed position in relation to a base table, the guide rail supporting device further comprising: a holding section for holding said guide rail such that, when at least one of said base table or said guide rail is deformed, deformation in one side of said at least one of said base table or guide rail is not transmitted to an other side of said at least one of said base table or guide rail, wherein said holding section holds said guide rail in at least a state in which said guide rail can swing relative to said base table or a state in which said guide rail can move forward and backward relative to said base table.