Fire escape – ladder – or scaffold – Unitary foldable – rigid scaffold or ladder – Trestle
Patent
1983-11-03
1985-04-02
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Unitary foldable, rigid scaffold or ladder
Trestle
182225, F16M 1100
Patent
active
045081948
ABSTRACT:
An improved sawhorse of the type having a cross beam and at least two pairs of legs extending downwardly therefrom in supporting relation, includes an improved bracket consisting of a bracket body, a plate for clamping a pair sawhorse legs to the body in a splayed configuration, and a bolt extending upwardly through the body and through the cross beam defining a substantially vertical, pivotal axis for the body to rotate relative to the beam. The body includes a substantially horizontal bearing surface at an upper portion thereof which pivots against the beam as the body is rotated. The legs attached to the body can be pivoted from a supporting configuration to a storage configuration in which the legs and beam lie in a common plane. In a preferred embodiment, the bearing surface of the bracket body includes detent recesses and a plate having a detent tab is attached to the cross beam in superposed relation to the bearing surface so that the bracket body can be rotated to a number of predetermined positions relative to the cross beam in which the detent tab engages the detent recesses.
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patent: 4375245 (1983-03-01), Schill
Freewalt Wayne L.
Ziegler Joseph L.
E-Z Buck, Inc.
Machado Reinaldo P.
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