Fire escape – ladder – or scaffold – Ladder and platform – Platform with ladder as support
Patent
1990-10-19
1991-07-16
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Ladder and platform
Platform with ladder as support
182121, E06C 716, E06C 139
Patent
active
050317229
ABSTRACT:
A scaffold bracket for mounting on a ladder. The bracket comprises at least two legs, which are connected at one end to define a junction, said legs divergingly extending from the junction to their free ends. A plurality of first rung engaging members are distributed along the legs from their free ends and terminate short of the junction. A link is attached at the junction and terminates in a second rung engaging member. The bracket is so constructed and arranged that the legs are placed over a selected rung of the ladder and are engaged thereon by engagement of a first rung engaging member, the second rung engaging member is engaged over an upper located rung, a second bracket is similarly mounted on a second ladder placed side by side relative to the first ladder, and a wood plank is placed on the two brackets to constitute a scaffold.
REFERENCES:
patent: 393512 (1888-11-01), Long
patent: 400008 (1889-03-01), Rasor
patent: 689390 (1901-12-01), Ewing
patent: 881996 (1908-03-01), Block
patent: 1187437 (1916-06-01), Lucas
patent: 1228868 (1917-06-01), Anderson
patent: 2418597 (1947-04-01), Neff
patent: 2936989 (1960-05-01), Siek
patent: 4306700 (1981-12-01), Bell
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