Fire escape – ladder – or scaffold – Unitary foldable – rigid scaffold or ladder – Trestle
Patent
1978-05-05
1979-06-05
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Unitary foldable, rigid scaffold or ladder
Trestle
182182, 182227, 248167, 2481886, E04G 132, F16M 1100
Patent
active
RE0300209
ABSTRACT:
An improved foldable work stand and platform having an upper work support surface with wooden inserts therein to protect saws and the like from being damaged by accidental contact with the metal structure of the platform. The foldable work platform also includes improved structure for elevating the working surface and an adjustable stabilizer leg to maintain the work surface generally horizontal on uneven terrain. Lateral extensions of the work surface provide versatility in the work surface configuration and are easily secured in a selected orientation.
REFERENCES:
patent: 358836 (1887-03-01), Casler
patent: 850351 (1907-04-01), Crum
patent: 1159299 (1915-11-01), Van Huzer
patent: 1450869 (1923-04-01), Reinelt
patent: 1547225 (1925-07-01), Marks
patent: 1638839 (1927-08-01), Farmer
patent: 1659113 (1928-02-01), Marks
patent: 2572205 (1951-10-01), Shanks
patent: 2572928 (1951-10-01), Hawes
patent: 3934676 (1976-01-01), Rice
Spencer Edward
Wing Harold R.
Little Giant Industries Inc.
Machado Reinaldo P.
Nydegger Rick D.
Workman H. Ross
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