Fire escape – ladder – or scaffold – Unitary foldable – rigid scaffold or ladder – Trestle
Patent
1983-10-24
1984-12-25
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Unitary foldable, rigid scaffold or ladder
Trestle
182184, 182225, F16M 1100
Patent
active
044898088
ABSTRACT:
A collapsible sawhorse includes a horizontal load supporting beam which is pivoted in the center thereof. A pair of legs is disposed at each end of the beam and each is mounted for compound pivotal movement between a first load supporting position and a second position nested within the confines of the beam. When in its load supporting position, the sawhorse is of conventional size. When in its collapsed position, the volume of the sawhorse corresponds to the volume of the horizontal beam.
REFERENCES:
patent: 598100 (1898-02-01), Kaganovsky
patent: 1103699 (1914-07-01), South
patent: 1303416 (1919-05-01), Tidyman
patent: 1479209 (1924-01-01), Topp
patent: 2824771 (1958-02-01), Blenski
patent: 3198286 (1965-08-01), Wilson
patent: 3631941 (1972-01-01), Greenman
Machado Reinaldo P.
Moller G. Turner
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