Belt drive for machine for resurfacing vehicle brake discs

摘要

Apparatus for resurfacing vehicle brake discs by machining opposite sides of the brake disc by a pair of tools and in which the tools can be moved by a lead screw and including a motor which is coupled to the lead screw by a belt for driving it and including means for decoupling the motor to the lead screw including means for loosening the belt so it will not drive the lead screw.