| 摘要 |
A WHEEL ASSEMBLY FOR A SKATE COMPRISING, A METAL DISC; A PAIR OF SUPPORTS WHEREIN THE METAL DISC IS DETACHABLY SECURED IN BETWEEN; A PAIR OF BEARINGS, ONE POSITIONED IN THE SUPPORT ON EACH SIDE OF THE METAL DISC; AN INTERNAL SHAFT RUNNING THROUGH THE METAL DISC AND THE SUPPORTS; AND WHEREIN THE METAL DISC HAS A FLAT SKATING SURFACE AND A SHARP EDGE PORTION RUNNING ALONG BOTH EXTERIOR SIDES OF THE OUTER CIRCUMFERENCE OF THE DISC PORTION, AND WHEREIN THE SKATING SURFACE OF THE METAL DISC HAS A SAME THICKNESS AND EFFECTIVENESS AS AN ICE BLADE. THE INVENTIVE WHEELS ARE APPLICABLE FOR SKATES SPECIFICALLY FOR USE ON ARTIFICIAL ICE SURFACE.
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