Connecting element for assembling horizontal and vertical ladder sections to form a scaffold
United States Patent 3053356
US Patent References:
/0722839.html
- - 0722839

/1003407.html
- - 1003407

Sectional knockdown tower for hoists
- - 1819031

Universal folding ladder
- - 1942210

Scaffolding structure
- - 2113196


Inventors:
Otto, Weinmann
Publication Date:
09/11/1962
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Assignee:
Otto, Weinmann
Primary Class:
403/178
International Classes:
E04G7/26; E04G7/00
US Patent References:
2335046Portable and adjustable knockdown scaffold
2479962Scaffold construction
2612414Brace bracket for scaffolds and the like
2656224Scaffold clamping device
Foreign References:
FR705395A
GB763256A
DE816453C