| 摘要 |
A wheel assembly of skate includes a wheel mounted in a casing, the wheel having an axle, two side sliding plates each including a groove adapted to mount around an open end of the axle, two springs, two links each inserted through the casing into a slot of the sliding plate, and a fastener for securing the link to one inner sliding plate. Unfastening the inner links, pulling the sliding plates to disengage with the axles with the wheels being automatically popped out of the casing by the expansion of the springs, and fastening the inner links will securely transform the skate into a roller skate. Unfastening the inner links, pressing the wheels into the casing with the springs being compressed, pushing the sliding plates to mount the grooves thereof around the axles, and fastening the inner links will securely transform the skate into a shoe.
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