Fire escape – ladder – or scaffold – Unitary foldable – rigid scaffold or ladder – Trestle
Patent
1981-11-02
1983-09-13
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Unitary foldable, rigid scaffold or ladder
Trestle
182155, 182181, 182225, B27B 2100, F16M 1100
Patent
active
044036787
ABSTRACT:
A sturdy, collapsible saw horse has legs which move between collapsed and extended positions, and flexible connectors limit leg movement at extended positions. The saw horse may also have two horizontal frame members which pivotally support the legs, the frame members hinged together for relative lateral movement limited by tensioning of the flexible connectors.
REFERENCES:
patent: 2216187 (1940-10-01), Dion
patent: 2473342 (1949-06-01), Larson
patent: 3951233 (1976-04-01), Meyers
patent: 4152834 (1979-05-01), Stansberry
patent: 4245718 (1981-01-01), Poston et al.
Haefliger William W.
Machado Reinaldo P.
Mansion Industries, Inc.
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