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Tandem, extendable tubing or hose assembly

  • US 20060090286A1
  • Filed: 11/03/2004
  • Published: 05/04/2006
  • Est. Priority Date: 11/03/2004
  • Status: Abandoned Application
First Claim
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1. A tandem tubing assembly for a cleaning machine, comprising:

  • a flexible first tubing having a first diameter and configured as a flexible hose having a resilient helical frame, a first relaxed length and a first extended length;

    a flexible second tubing having a second diameter substantially smaller than the first diameter of the first tubing and configured as a helical coil having a second relaxed length and a second extended length;

    wherein the second tubing, in its coiled form, is disposed inside the first tubing and respective ends of the first tubing and the second tubing are coupled together such that the first and second tubings flex together and extend or contract together between the respective extended and relaxed lengths.

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