PROBLEM TO BE SOLVED: To provide a drive system for an imaging device 10 having a curved arm 22.;SOLUTION: The drive system includes a carrier (18) that engages the curved arm such that the curved arm carrier can be moved along the carrier. The drive system includes a belt (42) extending through the carrier (18) and a motor (82), a drive shaft (86) rotatably driven by the motor (82), and a drive pulley (90) coupleable to the drive shaft (86) through a clutch mechanism (41). The clutch mechanism (41) is movable between an engaged position, at which the drive shaft (86) is coupled to the drive pulley (90) such that the motor (82) moves the drive pulley (90), and a disengaged position, at which the drive shaft (86) is uncoupled from the drive pulley (90) so that the curved arm can be manually moved relative to the carrier(18). A clutch release mechanism (50) moves the clutch between its engaged and disengaged positions.;COPYRIGHT: (C)2005,JPO&NCIPI
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