Patent ID: 7654741

Claim:
A rotatable supporting module configured for a gantry apparatus, comprising: a rotary plate defining a through hole; a base arranged in the through hole; a bearing arranged between the rotary plate and the base, the bearing including an inner race and an outer race rotatable relative to the inner race, the inner race being securely coupled to the base, the outer race being securely coupled to the rotary plate, thus allowing the rotary plate to be rotatable relative to the base; a slidable plate; and a sliding bearing including a first elongated part and a second elongated part juxtaposed with each other, the first elongated part being slidably engaged with the second elongated part, the first elongated part being securely coupled to the rotary plate, the second elongated part being securely coupled to the slidable plate, whereby the slidable plate is slidable along a lengthwise direction of the sliding bearing.