Static structures (e.g. – buildings) – Stepped; e.g. – stair – With additional building feature
Patent
1976-05-13
1976-11-23
Murtagh, John E.
Static structures (e.g., buildings)
Stepped; e.g., stair
With additional building feature
160332, 105354, E04F 1118
Patent
active
039928322
ABSTRACT:
Stairway safety suspension support means that includes overhead means and extending along the stairway above the flight of stairs, from which are suspended successively a plurality of depending loops of flexible strand means with the bottoms of the loops located above the steps less than the heights of people, and also means which dictate that the planes of those loops are oriented generally longitudinally along the stairway.
REFERENCES:
patent: 660610 (1900-10-01), Yoder
patent: 866812 (1907-09-01), Ries
patent: 1367928 (1921-02-01), Stolp
patent: 3368304 (1968-02-01), Ball
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