| 摘要 |
A tree harvesting machine having a fixed length boom slidable through a tubular support on the machine. Tree harvesting elements are on one end of the boom. A pair of boom tensioning cables, above the boom, extend between the ends of the boom. Flexible power supply lines extend between the tubular support and the tree harvesting elements, the lines supported in zig-zag fashion between the cables on power line carrying means slidable on the cables. A flexible strap extends between the the ends of the boom, located between the cables, to support the power lines passing between the cables.
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