The ladder includes two fixed uprights and steps fixed between each other mainly applicable to swimming pools. is characterised in that the uprights have diametrically opposed holes in an area on each step which attaches to a bushing on the upright formed by two halves with a lower peripheral step which is supported onto the step by an opening near to its ends. This coupling is fixed by a nut which is screwed onto the upper peripheral thread of the two halves forming a bushing which is supported on the step. The holes in the uprights consist of openings housing the respective lugs in the internal periphery of the bushing halves. The step comprises a base to which a base is attached, both of which are made from plastic.
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Published patent application
Disclosure date: 10-02-2007
Publication date: 11-04-2009
Applicant: METALAST S A SOC UNIPERSONAL, ES
Inventor: JIMENEZ ESPANA ANTONIO, ES ; PLANES VILA JOAN, ES
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