A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
EXTENSIBLE LADDER AND BOAT COMPRISING SAID EXTENSIBLE LADDER
The present invention relates to a ladder comprising a first and a second fixed handrail (2a, 2b) each of which has an elongated body (3), a predetermined number of rungs (4) transversely engaged with the first and second fixed handrails (2a, 2b) and at least one extensible handrail (5a) engaged to the elongated body (3) of the first fixed handrail (2a). The extensible handrail (5a) can be positioned relative to the first fixed handrail (2a) at least between a first operative condition, in which the extensible handrail (5a) is movable along at least a portion of the elongated body (3) of the first fixed handrail (2a), and a second operative condition, in which the extensible handrail (5a) interferes with at least one rung (4) which limits or prevents the mobility along the elongated body (3) of the first fixed handrail (2a). The present invention also relates to a boat comprising said ladder.
EXTENSIBLE LADDER AND BOAT COMPRISING SAID EXTENSIBLE LADDER
The present invention relates to a ladder comprising a first and a second fixed handrail (2a, 2b) each of which has an elongated body (3), a predetermined number of rungs (4) transversely engaged with the first and second fixed handrails (2a, 2b) and at least one extensible handrail (5a) engaged to the elongated body (3) of the first fixed handrail (2a). The extensible handrail (5a) can be positioned relative to the first fixed handrail (2a) at least between a first operative condition, in which the extensible handrail (5a) is movable along at least a portion of the elongated body (3) of the first fixed handrail (2a), and a second operative condition, in which the extensible handrail (5a) interferes with at least one rung (4) which limits or prevents the mobility along the elongated body (3) of the first fixed handrail (2a). The present invention also relates to a boat comprising said ladder.
EXTENSIBLE LADDER AND BOAT COMPRISING SAID EXTENSIBLE LADDER
AUSZIEHBARE LEITER UND BOOT MIT EINER SOLCHEN
ÉCHELLE EXTENSIBLE ET BATEAU COMPRENANT CETTE ÉCHELLE
BRANCA ALFONSO (author)
2024-06-19
Patent
Electronic Resource
English
COMBINATION OF A LADDER, SUCH AS A POOL LADDER, BOAT LADDER OR JETTY LADDER, AND AUXILIARY STAIRS
| European Patent Office | 2025