Fire escape – ladder – or scaffold – Self-sustaining
Patent
1986-01-23
1986-12-30
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Self-sustaining
182119, 211192, 2482221, 403317, E04G 108, E04G 120, A47F 500
Patent
active
046322221
ABSTRACT:
A scaffold assembly that can be disassembled and reassembled is provided with spring locking members which are attached releaseably in vertical mounting pieces supporting a shelf and which can engage in the attachment holes of vertical struts to lock the vertical mounting pieces against movement relative to the vertical struts.
REFERENCES:
patent: 3273720 (1966-09-01), Seiz
patent: 3392848 (1968-07-01), Mc Connell
patent: 3612290 (1971-10-01), Evans
patent: 3702137 (1972-11-01), Evans
patent: 3986318 (1976-10-01), McConnell
patent: 4262809 (1981-04-01), McConnell
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