SCALA IN PARTICOLARE SCALA PER PISCINA

Ladder, in particular for a swimming pool, comprising two uprights ( 1 ) and at least one rung ( 2 ) fastened to the uprights, the rung ( 2 ) comprising, at its ends, a tubular sleeve ( 3 ) coaxially surrounding the corresponding upright ( 1 ), and a tubular locking insert ring ( 4 ) being engaged between the upright ( 1 ) and the sleeve ( 3 ) in order to lock the rung ( 2 ) axially on the upright ( 1 ); the insert ring ( 4 ) possesses, at each rung end ( 2 ), an outer cross section decreasing continuously from the bottom upwards and has a longitudinal slot ( 5 ) on at least most of its height; the tubular sleeve ( 3 ) has an inner shape complementary to the outer shape of the ring ( 4 ), with an inner cross section decreasing continuously from the bottom upwards; a longitudinal groove ( 15 )/key ( 16 ) assembly fixes the sleeve and the insert ring together in terms of rotation in order to stabilize the ladder.