Suspended chain scaffolding employing adjustable posts with chai

Details Suspended chain scaffolding employing adjustable posts with chai Suspended chain scaffolding employing adjustable posts with chai

1981-05-28

1983-11-08

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Suspended platform

182130, 182142, E04G 310

Patent

active

044137079

ABSTRACT:
A chain supported scaffolding arrangement for use inside of a building or vessel or in working under a bridge. Chain gripping plates engage the chain and support hollow tubular vertical posts which have a plurality of receptacles connected thereto. The chain engaging plates have a recess formed therein for receiving and positioning the vertical posts. Horizontal members engage the receptacles and extend between the vertical posts which are supported from the chains. The horizontal members are connected to the vertical posts by connectors which prevent movement about their connection axes so that when the various horizontal and vertical members are interconnected, a relatively stiff structure, which is chain supported, is provided.

REFERENCES:
patent: 1484480 (1924-02-01), Donaggio
patent: 1506114 (1924-08-01), Donaggio
patent: 1662859 (1928-03-01), Johnston
patent: 1725183 (1929-08-01), Fischer
patent: 2038521 (1936-04-01), Bell
patent: 2070334 (1937-02-01), Garber
patent: 2102484 (1937-12-01), Rapp
patent: 2556105 (1951-06-01), Rhett
patent: 3159243 (1964-12-01), Leonard
patent: 3245188 (1966-04-01), Evans
patent: 3807529 (1974-04-01), Reed
patent: 4057943 (1977-11-01), Lienhard
patent: 4068738 (1978-01-01), Reed
patent: 4253549 (1981-03-01), Petren

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