A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A folding emergency escape ladder for a dwelling comprising a fixed vertical riser, a plurality of retractable rails pivoted thereto from a first end and spaced at a distance apart suitable to function as a rungs of said ladder and a moveable vertical riser fitted in a corresponding manner from a second end of said rails such that said ladder can be moved between a retracted state with said rail folded up into said fixed and retracted vertical risers and an expanded state with said rails and raisers functioning as a ladder mounted to said wall wherein one or more of said rails include an elongate rail rung terminating at said first and second ends in a rung head, said rung head including an integral pivot means and a projecting lobe extending radially from said pivot point wherein said lobe includes a buffer foot.
A folding emergency escape ladder for a dwelling comprising a fixed vertical riser, a plurality of retractable rails pivoted thereto from a first end and spaced at a distance apart suitable to function as a rungs of said ladder and a moveable vertical riser fitted in a corresponding manner from a second end of said rails such that said ladder can be moved between a retracted state with said rail folded up into said fixed and retracted vertical risers and an expanded state with said rails and raisers functioning as a ladder mounted to said wall wherein one or more of said rails include an elongate rail rung terminating at said first and second ends in a rung head, said rung head including an integral pivot means and a projecting lobe extending radially from said pivot point wherein said lobe includes a buffer foot.
Emergency escape ladder
MURPHY RUSSELL EDWARD (author)
2016-10-13
Patent
Electronic Resource
English
IPC:
E06C
LADDERS
,
Leitern