The present invention relates to a ladder (10) comprising at least one rail (11) and a plurality of rungs (12) rigidly attached to the at least one rail (11). Said ladder is characterised in that the at least one rail (11) comprises at least two stiffening members (14) which are arranged to hold a filler material, the at least one rail (11) being rigid when the stiffening members (14) contain the filler material and the rail (11) being flexible when the stiffening members (14) do not contain the filler material.
LADDER COMPRISING AT LEAST ONE RAIL AND A PLURALITY OF RUNGS
2024-07-18
Patent
Electronic Resource
English
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