Abrading – Machine – Rotary tool
Reexamination Certificate
2005-04-12
2005-04-12
Nguyen, George (Department: 3723)
Abrading
Machine
Rotary tool
C451S287000, C451S285000
Reexamination Certificate
active
06878047
ABSTRACT:
The present invention discloses a repair apparatus for compact disks comprising a casing unit having a top housing and a bottom housing openably fastened to the top housing; a transmission module disposed within the bottom housing, including a motor, a disk supporting pedestal for supporting the compact disk and being connected with the motor, and a repair base adjacent the disk supporting pedestal; a repair member disposed within the repair base, including a grinding element or a cleaning element at the upper surface thereof for operable rotational contact with the repair area; and a disk-depressing mechanism including an upper cover connected to the top housing, a disk-depressing member operably contacted with the compact disk, and a plurality of spherical bodies rotatably and movably disposed between the upper cover and the disk-depressing member. While the motor drives the disk supporting pedestal to rotate, the repair member is driven to rotate so that the grinding element or the cleaning element can perform a grinding operation or a cleaning operation to the repair area of the compact disk.
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patent: 6685546 (2004-02-01), Del Raso
Nguyen George
Procopio Cory Hargreaves & Savitch LLP
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