Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
STAIRCASE WITH FOLDABLE TREADS
A folding staircase having a pair of stringers and at least one tread spanning between the stringers. Each of the stringers having an upper end and a lower end. Each of the treads having a forward edge and a rearward edge that define the width of each tread. The treads being pivotally moveable between the stringers. A linkage connecting each tread at a pivot point. The treads being movable between a use position and a stowed position.
STAIRCASE WITH FOLDABLE TREADS
A folding staircase having a pair of stringers and at least one tread spanning between the stringers. Each of the stringers having an upper end and a lower end. Each of the treads having a forward edge and a rearward edge that define the width of each tread. The treads being pivotally moveable between the stringers. A linkage connecting each tread at a pivot point. The treads being movable between a use position and a stowed position.
STAIRCASE WITH FOLDABLE TREADS
BYERS JASON ANTHONY (Autor:in) / LAMBRIGHT RAYMOND (Autor:in)
02.04.2020
Patent
Elektronische Ressource
Englisch
IPC:
E06C
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