Connecting devices for frame bars with polygonal cross-sectional

Joints and connections – Three or more members connected at single locus – Mutually contacting

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Details

403170, 403175, 403178, F16B 102

Patent

active

056516304

ABSTRACT:
A device for connecting together elongated construction materials has one or more end-surface connecting parts each for being connected to an end surface of one of the materials and a side-surface connecting part for receiving and being connected to side surfaces of another one of the materials. Each end-surface connecting part has a bolt-accepting hole formed for allowing a bolt to pass through and a counter-bored part formed on the reverse side for receiving therein the head the bolt. The side-surface connecting part has an indentation for accepting therein and being connected transversely to another of elongated construction materials. Bolts are passed through holes in the side-surface connecting part to securely attach it to side surfaces of this another elongated construction material.

REFERENCES:
patent: 2863682 (1958-12-01), Canepa
patent: 3901613 (1975-08-01), Andersson
patent: 4371281 (1983-02-01), Magner
patent: 4583359 (1986-04-01), Staeger
patent: 5169258 (1992-12-01), Raynak
patent: 5265972 (1993-11-01), Bahr
patent: 5413836 (1995-05-01), Hsieh

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