Fire escape – ladder – or scaffold – Unitary foldable – rigid scaffold or ladder – Trestle
Patent
1987-09-28
1988-03-15
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Unitary foldable, rigid scaffold or ladder
Trestle
182181, 182225, B27B 2100
Patent
active
047306980
ABSTRACT:
A foldable sawhorse including a pair of end supports. Each end support having a bracket and a pair of legs. The legs being pivotally attached to the bracket for pivoting only between a downwardly, angularly extended work position and foldable outwardly around said bracket into a position with the legs extended over the bracket and in adjacent relationship. Brace members affix the legs together in the work position with one end releasable to permit inside out folding of the legs for storage.
REFERENCES:
patent: 249508 (1881-11-01), Douns
patent: 592574 (1897-10-01), Ring
patent: 1656558 (1928-01-01), Dysinger
patent: 2347745 (1944-05-01), McKinney
patent: 2399861 (1946-05-01), Evans
patent: 2874004 (1959-02-01), Tucker
patent: 2882021 (1959-04-01), Dreher
patent: 3734235 (1973-05-01), Lanier
patent: 4238001 (1980-12-01), Alexander
patent: 4565263 (1986-01-01), Southworth
patent: 4681187 (1987-07-01), Brown
Harrington Robert L.
Machado Reinaldo P.
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