Apparatus and method for transferring a torque from a rotating hub frame to a hub shaft

摘要

An apparatus and a method for transferring a rotational torque from a hub frame to a hub shaft onto which a pad conditioning disc is attached are disclosed. The apparatus is constructed by a hub frame, a hub shaft and a hub spacer that is assembled to the hub shaft. Providing a great improvement over the conventional design wherein a hub spacer is mounted to a hub shaft by screw means, the present invention conditioning head is assembled together by frictionally engaging a key on the hub spacer to a slot opening on the hub shaft such that any catastrophic failure due to screw breakage can be avoided. The present invention novel frictional engagement further provides a more uniform torque transfer between the two components.