A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
TELESCOPICALLY EXTENDABLE/COLLAPSIBLE LADDER AND METHOD TO FASHION AND USE THE SAME
A telescopically extendable/collapsible ladder designed to be set into needed extended or collapsed mode, and method to fashion and use the same, set forth by way of example and not limitation, the ladder being composed of several ladder sections, each of the ladder sections being telescopically inserted into a ladder section located below, with a possibility to be extended/collapsed and locked/unlocked into a needed position, and where at least one ladder section is being fashioned with a pass-through portion providing an unobstructed passage through this pass-through portion.
TELESCOPICALLY EXTENDABLE/COLLAPSIBLE LADDER AND METHOD TO FASHION AND USE THE SAME
A telescopically extendable/collapsible ladder designed to be set into needed extended or collapsed mode, and method to fashion and use the same, set forth by way of example and not limitation, the ladder being composed of several ladder sections, each of the ladder sections being telescopically inserted into a ladder section located below, with a possibility to be extended/collapsed and locked/unlocked into a needed position, and where at least one ladder section is being fashioned with a pass-through portion providing an unobstructed passage through this pass-through portion.
TELESCOPICALLY EXTENDABLE/COLLAPSIBLE LADDER AND METHOD TO FASHION AND USE THE SAME
ECHELLE DEPLOYABLE/ECRASABLE TELESCOPIQUEMENT ET METHODE DE PRESENTATION ET UTILISATION ASSOCIEE
MUTCHNIK MICHAEL (author) / MUTCHNIK ANDREY (author)
2017-06-09
Patent
Electronic Resource
English
IPC:
E06C
LADDERS
,
Leitern
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