A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Step Ladder with Hinged Rungs Operable to Collapse on Multiple Axes
A ladder having rungs hingedly affixed at both terminal ends to a stringer, the ladder operable to collapse across a lateral or widthwise axis spanned by the rungs, the ladder having hingedly affixed stringers operable to collapse on a lengthwise or longitudinal axis. In some embodiments, a cylindrical tube receives the fully collapsed ladder for stowing and porting.
Step Ladder with Hinged Rungs Operable to Collapse on Multiple Axes
A ladder having rungs hingedly affixed at both terminal ends to a stringer, the ladder operable to collapse across a lateral or widthwise axis spanned by the rungs, the ladder having hingedly affixed stringers operable to collapse on a lengthwise or longitudinal axis. In some embodiments, a cylindrical tube receives the fully collapsed ladder for stowing and porting.
Step Ladder with Hinged Rungs Operable to Collapse on Multiple Axes
BARKER JEREMY (author)
2022-05-19
Patent
Electronic Resource
English
IPC:
E06C
LADDERS
,
Leitern