Application No.: 200920130705

Application Time: April 13, 2009

Announcement Time: Jan 6, 2010

Patentee: Zhaoyong Ouyang Ren

Utility model patent announced a kind of anti-deformation chuck of coated abrasive tool, which is used in fixing vulcanized fibre abrasive disc including pressure plate, base plate and screw. The above pressure plate and base plate are connected through screw. There is chuck for fixing base plate in the bottom of the above screw, and a clip nut on top of it to fix pressure plate. This utility model patent clips vulcanized fibre between pressure plate and base plate through the connection of clip nut and screw to realize vulcanized fibre use flexibly and prevent it from deformation. This patent has simple structure and the advantage of preventing vulcanized fibre from deformation, and uses conveniently compared with the present technology.