Fire escape – ladder – or scaffold – Unitary foldable – rigid scaffold or ladder – Trestle
Patent
1987-07-30
1988-07-12
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Unitary foldable, rigid scaffold or ladder
Trestle
182225, B27B 2100
Patent
active
047563850
ABSTRACT:
A foldable sawhorse is provided and consists of two parts that are hinged together so that it can be stored without taking up a lot of space. In a modification the sawhorse can be adjusted to various heights by simply forcing the legs together and apart.
REFERENCES:
patent: 673968 (1901-05-01), Ross
patent: 1819252 (1931-08-01), Linsner
patent: 1819780 (1931-08-01), Kraut
patent: 2825606 (1958-03-01), Rebensdorf
patent: 4245718 (1981-01-01), Poston
patent: 4319663 (1982-03-01), Barden
patent: 4403678 (1983-09-01), Zieg
patent: 4429765 (1984-02-01), Garcia
patent: 4620613 (1986-11-01), Albertson
Deitz Robert L.
Spector George
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