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Ladder, in particular swimming-pool ladder

  • US 20070125602A1
  • Filed: 03/08/2002
  • Published: 06/07/2007
  • Est. Priority Date: 03/09/2001
  • Status: Abandoned Application
First Claim
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1. A ladder, comprising two uprights and at least one rung fastened to said uprights, said rung comprising, at its ends, a tubular sleeve coaxially surrounding the corresponding upright, and a tubular locking insert ring being engaged between the upright and the sleeve of the rung in order to lock the rung axially on the upright, the insert ring possessing, at each rung end. an outer cross section decreasing continuously from the bottom upwards and having at least one longitudinal slot over at least most of its height, and the tubular sleeve having an inner shape complementary to the outer shape of the insert ring, with an inner cross section decreasing continuously from the bottom upwards, wherein the inner cooperating face of the sleeve of the rung end and the outer cooperating face of the insert ring possess means for mutual locking in rotation, comprising an assembly formed from a longitudinal groove and from a longitudinal projecting key which have complementary shapes.

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