Fire escape – ladder – or scaffold – Self-sustaining – Scaffold horse
Patent
1974-09-23
1976-01-27
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Self-sustaining
Scaffold horse
182183, 182227, E04G 132, F16M 1100
Patent
active
039346765
ABSTRACT:
A scaffold structure comprising a pair of leg frames and a support frame. The support frame includes a pair of posts vertically slidably received in the leg frames and means for locking the same thereto at selected elevations. The support frame includes telescopically engaged members whereby it can be extended or contracted and locked to provide a support of different lengths.
REFERENCES:
patent: 926320 (1909-06-01), Croner
patent: 984846 (1911-02-01), Pichler
patent: 1107881 (1914-08-01), Berntsen
patent: 1109505 (1914-09-01), Bonenberger
patent: 1853566 (1932-04-01), Lingo
patent: 2410330 (1946-10-01), Ashenfelter
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