Fire escape – ladder – or scaffold – Ladder and platform – Platform with ladder as support
Patent
1987-01-08
1988-03-15
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Ladder and platform
Platform with ladder as support
182129, 248238, E06C 716
Patent
active
047306971
ABSTRACT:
A seat device for a ladder, which seat device comprises a frame, a first hook device extending from the frame and for fitting over a first rung of the ladder, a second hook device extending from the frame and for fitting over a second and adjacent rung of the ladder, a foldable seat extending from the frame and for enabling a person to sit down while working on the ladder, a support member for supporting the seat in an unfolded position, and releasable locking means for maintaining the seat in its unfolded position and for preventing accidental collapse of the seat to a folded position.
REFERENCES:
patent: 221780 (1879-11-01), Clark
patent: 271509 (1883-01-01), Nolton
patent: 407079 (1889-07-01), Laskey
patent: 812620 (1906-02-01), Alstine
patent: 1090836 (1914-03-01), Bush
patent: 1104996 (1914-07-01), McHale
patent: 1307468 (1919-06-01), Wells
patent: 1921583 (1933-08-01), Reed
patent: 2553322 (1951-05-01), Kurmer
patent: 2656223 (1953-10-01), Gray
patent: 2802702 (1957-08-01), Rose
patent: 2818310 (1957-12-01), Campbell
patent: 2871067 (1959-01-01), Brogdon
patent: 3115213 (1963-12-01), Cloutier
patent: 3232664 (1966-02-01), McBride
patent: 4085819 (1978-04-01), Ohnstad
patent: 4211307 (1980-07-01), Ethridge
patent: 4342374 (1982-08-01), Montana
patent: 4615412 (1986-10-01), Clarke
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