Holding chuck for a tire-wheel with a chatter-suppressing device

A holding chuck for a tire-wheel comprising;

• a clamping device inserted into a center hole of a tire-wheel for clamping and holding the wheel in the position aligning a center axis of a holding chuck;
• a plurality of chatter-suppressing dampers disposed on a plurality of circles concentric with the center axis of the holding chuck, each of the chatter-suppressing dampers being provided with a damping rod extending in the direction parallel to the center axis of the chuck and abutting a rim of the wheel;
• and
• a damper cover disposed between the rim of the wheel and the chatter-suppressing dampers and fastened to the holding chuck, the damper cover being provided with holes disposed on a circle concentric with the center axis of the chuck and allowing the damping rods of the dampers disposed on only one of the concentric circles matching the concentric circle of the holes on the damper cover to extend therethrough and abut the rim of the wheel.