Patent ID: 8002610

Claim:
A double side polishing apparatus, comprising: a plurality of carriers configured to hold works; a polishing apparatus main body having an upper rotary surface plate and a lower rotary surface plate, wherein polishing cloths are disposed on the upper and lower rotary surface plates so as to polish the works; the main body configured to rotate the plurality of carriers holding works to be polished between the upper rotary surface plate and the lower rotary surface plate to simultaneously polish both surfaces of each of the works held by the plurality of carriers; a housing section disposed outside the polishing apparatus main body and containing a plurality of processing bodies that are brushes for cleaning the polishing cloths or dressers for flattening the polishing cloths; and a conveying section for conveying unpolished works within their respective carriers from a loading station to the main body for polishing works and for conveying the polished works within their respective carriers from the main body to an unloading station; the conveying section also conveys the plurality of processing bodies from the housing section to the polishing apparatus main body and conveys the used processing bodies from the polishing apparatus main body back to the housing section, wherein the polishing apparatus main body is configured to rotate the processing bodies between the upper and lower rotary surface plates after the works are removed from the polishing apparatus main body.