Fire escape – ladder – or scaffold – Stackable – Male and female connecting means
Patent
1991-09-17
1992-10-20
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Stackable
Male and female connecting means
182 82, 248235, E04G 506, E04G 120
Patent
active
051562359
ABSTRACT:
A step-up bracket is provided to extend laterally from scaffolding to aid in providing, in conjunction with a plank, a work platform protruding laterally from the scaffolding. The step-up bracket includes a vertical base to be secured to the scaffolding, and a horizontal seat supported by a diagonal brace extending from the seat to the base. An extension portion is provided which is secured beneath the seat and extends laterally so as to be aligned with the extremity of the seat.
REFERENCES:
patent: 2121704 (1938-06-01), Leeworthy
patent: 2670248 (1954-02-01), Heller
patent: 3472475 (1969-10-01), Rudiger
patent: 3493208 (1970-02-01), Sato
patent: 4660800 (1987-04-01), Horstketter
patent: 4669692 (1987-06-01), Mastrodicasa
patent: 4821844 (1989-04-01), Huffman
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