Patent ID: 9039496
Filing Date: 2015-05-26
Classification: B24B,B24D

Abstract:
1. A grinding disk in particular for rotary fine machining of surfaces, the grinding disk comprising: a support plate having a top side and a bottom side, wherein the top side comprises an outer annular wall and an inner annular wall; a drive connector adapted to connect the grinding disk to a rotary drive machine, the drive connector provided at the top side of the support plate, wherein the inner annular wall surrounds the drive connector at a radial spacing; an elastically deformable cushion disposed at the bottom side of the support plate, the cushion having a bottom surface covered with a working medium or with an adhesive coating for detachable attachment of a working medium disk; a cover disposed on the support plate so as to define an axial intermediate spacing, wherein the cover is annular and has an inner circumference and an outer circumference, wherein the inner circumference is fused or glued to the inner annular wall and the outer circumference is fused or glued to the outer annular wall and wherein the cover is a mechanically loadable structural part; primarily radially extending ribs extending between the outer annular wall and the inner annular wall and disposed between the support plate and the cover and connected at least at some locations with the support plate and the cover.