Patent ID: 7291060

Claim:
A polishing apparatus with abrasive, comprising: (a) a main shaft connecting to a rotating spindle of a processing station at an end of said main shaft; (b) a screw connecting to another end of said main shaft; (c) at least one clip to clip a to-be-polished object, said clip having a center aperture at center of said clip; and (d) an abrasive being driven by said screw to polish a surface of said to-be-polished object, together with said main shaft, said screw, said clip with said center aperture, and said abrasive, further comprising: a cover assembling to said main shaft with a bearing; a pressing bushing fitting to said cover by pressing with a tightening cushion between, said pressing bushing being coordinated with said clip; at least one surrounding aperture locating around said center aperture; and a main body being loaded with said abrasive, wherein a combination of said clip and said pressing bushing is deposed in said main body; wherein said cover is tightened to main body; and wherein said screw is locked to said main shaft with a fixing key or a bolt.