| 摘要 |
A flexible tube exhausting pumped water into a spa tank and whipping by reaction to exhaust of water therefrom. A number of articulated plastic sleeves encircling the tube and guiding the tube to whip only in a vertical plane. The sleeves being pivotally connected to pivot about horizontal parallel axes. Adjacent sleeves having abutments limiting bending of the harness and the tube. An end sleeve being secured against rotation but being slidable longitudinally of the tube so that the harness can adjust longitudinally of the tube during whipping of the tube.
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