Patent ID: 7381979

Claim:
A rotating irradiation apparatus comprising: a rotatable body provided with an irradiation device and a beam delivery device, said irradiation device emitting an ion beam, said beam delivery device delivering said ion beam into said irradiation device; a first rotating body support device including a plurality of rotatable rollers for supporting one end portion of said rotatable body, said rotatable rollers being in contact with said rotatable body; a second rotating body support device including a plurality of rotatable rollers for supporting the other end portion of said rotatable body, said rotatable rollers being in contact with said rotatable body; a drive device for rotating one or more of said plurality of rollers in said first rotating body support device; and a plurality of thrust support devices for limiting movement of said rotatable body in the direction of the rotational axis of said rotatable body; wherein said first rotating body support device or both said first and second rotating body support devices are movable in said direction of said rotational axis.