Fire escape – ladder – or scaffold – Unitary foldable – rigid scaffold or ladder – Trestle
Patent
1989-04-17
1990-07-03
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Unitary foldable, rigid scaffold or ladder
Trestle
182181, 182224, B27B 2100, B25H 106
Patent
active
049383116
ABSTRACT:
A kit for use with 2.times.4 and 2.times.6 wood pieces to make sawhorses. The legs are constructed for bent metal rods and are secured to brackets or support assemblies that are dimensioned to receive and support the wood piece. A minimal number of nails or screws for securing the wood to the brackets complete the manufacture. In addition, the legs are pivotally secured and may be folded against the wood pieces for storage or transport.
REFERENCES:
patent: 2198956 (1940-04-01), Thielepape
patent: 2436337 (1948-02-01), Smith
patent: 2854290 (1958-09-01), Steen
patent: 3613831 (1971-10-01), Estep
patent: 3666047 (1972-05-01), Adnerson
patent: 4014404 (1977-03-01), Jackson
patent: 4226301 (1980-10-01), McDaniel
patent: 4565263 (1986-01-01), Southward
Bojanowski Richard F.
Machado Reinaldo P.
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