| 摘要 |
A skate frame (<bold>20</highlight>) for an in-line skate (<bold>18</highlight>) having a shoe portion (<bold>22</highlight>) and a plurality of wheels (<bold>24</highlight>) capable of traversing a surface. The skate frame includes an elongate structural member comprised of a structural material having a first average density. The structural member having first and second sidewalls (<bold>62, 68</highlight>). The structural member also includes a shoe mounting portion (<bold>50</highlight>) spanning between at least a portion of the upper ends of the sidewalls. The skate frame also includes core material (<bold>64</highlight>) disposed within at least one of the first and second sidewalls or within the shoe mounting portion. In an embodiment of the invention a threaded insert (<bold>602</highlight>) is embedded in the core material of one sidewall, and an aligned tubular insert is installed in the opposite sidewall, such that the wheel axle (<bold>612</highlight>) can be inserted through the tubular insert to engage the embedded threaded insert. In another embodiment, a protective cap (<bold>770</highlight>) protects and/or enhances the appearance of the skate frame.
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