Device for attaching a scaffolding bracket to a vertical wall su

Details Device for attaching a scaffolding bracket to a vertical wall su Device for attaching a scaffolding bracket to a vertical wall su

1975-11-25

1977-05-03

Hafer, Robert A.

Supports

Brackets

Shelf or scaffold type

A47G 2902

Patent

active

040210111

ABSTRACT:
In the shipbuilding industry a number of temporarily erected scaffolds are needed and these scaffolds are carried by brackets mounted at various ship's structures, said structures usually being provided with permanently attached fittings for this purpose; certain internal components of a ship are provided with apertures without impairing their strength, which makes possible a very easy mounting of scaffolding brackets; the apertures are formed as horizontally running slots, and an attaching member at the bracket is formed as a flattened bolt head arranged vertically; when mounting a bracket, this is rotated 90.degree. in relation to its working position, whereby the flattened head will be oriented horizontally and can be inserted through the aperture; upon rotation of the bracket back to its working position, the head will engage the back face of the wall and the bolt may be tightened.

REFERENCES:
patent: 365830 (1887-07-01), Locke
patent: 511625 (1893-12-01), Kenison et al.
patent: 788899 (1905-05-01), Grieves et al.
patent: 1210595 (1917-01-01), Brubaker
patent: 1577193 (1926-03-01), Reed
patent: 2249403 (1941-07-01), Stollsteimer
patent: 2388658 (1945-11-01), Pumphrey
patent: 2395377 (1946-02-01), MacLean
patent: 3292480 (1966-12-01), Vozumi
patent: 3664434 (1972-05-01), Connor et al.

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