Fire escape – ladder – or scaffold – Self-sustaining – Scaffold horse
Patent
1987-02-02
1988-05-31
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Self-sustaining
Scaffold horse
182 46, 182224, B27B 2100
Patent
active
047474696
ABSTRACT:
A collapsible sawhorse arrangement characterized by a generally horizontal work receiving member including a lower plate portion and a vertical plate portion extending longitudinally therealong. The lower plate portion presents pairs of openings on opposite sides of the vertical plate portion adapted to receive supporting legs for the work receiving member, such supporting legs angling inwardly in a bearing relationship with the walls of the vertical plate portion. In a preferred embodiment, enlargements are presented on the walls of the vertical plate portion which serve frictional engagement purposes with the supporting legs.
REFERENCES:
patent: 2812219 (1957-11-01), Lange
patent: 3456100 (1969-07-01), Green
patent: 4014405 (1977-03-01), Breisch
patent: 4124093 (1978-11-01), Breisch
Flackbert Warren D.
Machado Reinaldo P.
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