Safety scaffold for metal melting furnaces

Details Safety scaffold for metal melting furnaces Safety scaffold for metal melting furnaces

1981-08-31

1983-10-04

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Scaffold supported internally on shaft

182 3, 182187, E04G 314

Patent

active

044073925

ABSTRACT:
A safety scaffold includes a platform (21) for supporting a workman while using jack hammer to remove encrustations (13) from a furnace wall (14). A pair of lanyards (29 and 31) are secured at first ends to a restraint worn by the workman, and at the opposite ends to a trolley (28) riding on a guide rail (27) so as to restrict movement of the workman toward an opening (23) in the platform. A duct system (24) is mounted beneath the platform (21) to exhaust fumes emanating from the furnace (11).

REFERENCES:
patent: 606500 (1898-06-01), Barry
patent: 1172720 (1916-02-01), McGary
patent: 1899162 (1933-02-01), Lackner
patent: 1971294 (1934-08-01), Bunker
patent: 2336432 (1943-12-01), Wilson
patent: 2478004 (1949-10-01), Newell
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patent: 3022855 (1962-02-01), Lewis
patent: 3270441 (1966-09-01), Hewes
patent: 3331169 (1967-07-01), Cumming
patent: 3439794 (1969-05-01), Park
patent: 3850596 (1974-11-01), Fisher
patent: 4276956 (1981-07-01), Mamula
patent: 4346544 (1982-10-01), Larssen

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