| 摘要 |
A gym set includes a single column bounding an interior channel and having a rear opening extending along a rear wall of the column. A vertically-arranged stack of weight blocks is movable by an exerciser along the column. Each weight block has an interior block portion located within the channel, an exterior block portion located outside the channel, and an intermediate block portion extending through the rear opening. The blocks are reliably guided throughout their movement along the column.
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